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Vocational Education: A Transformative Agenda for Curbing Unemployment Rate in Edo State. Nigeria

Vocational Education: A Transformative Agenda for Curbing Unemployment Rate in Edo State. Nigeria | SCIE Journal Publishing | Scoop.it

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Abstract:
The study determined the extent skills obtained in business education, Fine and Applied Art, Home Economics, Agriculture Science, and Industrial Technical Education programmes can help in curbing unemployment rate in Edo State, Nigeria. Five research questions were raised and answered with descriptive statistics of mean and standard deviation. The study adopted a survey research design. A sample of 264 respondents was used for the study. Cronbach Alpha was used to compute the reliability of the instrument and yielded 0.72. A structured questionnaire containing 66- item statement was used to solicit for information. The data collected revealed that skills acquired in five programme areas in vocational and technical education are capable of reducing unemployment in Nigeria. Based on these findings, it was recommended that appropriate government department and vocational and technical education institutions‟ administrators should obtain and maintain information about accurate labour projection in both public and private sectors.

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The Determinant of Capital Structure: Driscoll and Kraay Standard Error Estimates of Cement sector of Pakistan

The Determinant of Capital Structure: Driscoll and Kraay Standard Error Estimates of Cement sector of Pakistan | SCIE Journal Publishing | Scoop.it

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Capital structure has a vital importance in the field of Corporate Finance. The main objective of this empirical study is to forecast the relationship of leverage with performance, tangibility, working capital and size of firm. Trade off Theory and Pecking Order Theory of capital structure has been used to study the relationship and to check various hypotheses. The motivation behind the study was the lack of empirical investigation being conducted specifically on the Cement Sector of Pakistani listed companies. The study scrutinizes the performance of the companies by using different performance proxy variables. Sample size resides 16 cement firms listed at Karachi Stock Exchange and the period selected for the analysis is 2009-2013. The study utilized panel data technique. The study showed a negative relationship of performance and size with leverage of the firms and these results are consistent with previous studies. In contrast to this, tangibility showed positive relationship which is also consistent with previous studies.

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Evaluation of Radiological Hazard Associated With The Use of Majidun River Sediment as Building Material

Evaluation of Radiological Hazard Associated With The Use of Majidun River Sediment as Building Material | SCIE Journal Publishing | Scoop.it

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The radioactivity concentrations of 40K, 238U and 232Th in sediment samples of Majidun river at Ikorodu, Lagos State in Nigeria had been determined by gamma spectrometry using NaI (TI) detector coupled with a pre-amplifier base to a multiple channel analyzer (MCA), these were then used to determine the radiological indicators; radium equivalent activity, internal and external hazard indices, and absorbed dose rate which translated to the annual effective dose rate. 10 sediment samples were collected from Majidun river. The values of the radiological indicators were found to be within the limits recommended, indicating that the use of the sediment of the river as building material pose no radiological health hazard to the occupants of the buildings.

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Analogous Aspacts between Combinatorial Optimization and Optimization Techniques: A Review

Analogous Aspacts between Combinatorial Optimization and Optimization Techniques: A Review | SCIE Journal Publishing | Scoop.it

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Paper contributes towards the clear visibility among combinatorial optimization and optimization techniques by exploring the detailed concept of analogous term according to suitability of optimal methods to concerned problem to be assigned as the objective of the case study. Myriads efforts have been made to focus the various methodologies useful in CO problems but do not give transparent outlook in the area of computer and operation research, but this paper makes reader comfortable to relate the method to the defined problem.

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Energy Economical Image Transmission in Wireless Transmission Sensing Element Networks

Energy Economical Image Transmission in Wireless Transmission Sensing Element Networks | SCIE Journal Publishing | Scoop.it

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This paper is a wireless sensor network based architecture designed for the purpose of image transmission between two controlling units through CMOS camera. Wireless sensor networks are used to increase the data transmission speed. This project can be applied to any surveillance purpose. The protocol IEEE 802.15.4 is used to transmit image accurately to the monitoring section.
Image transmission with a combined robotic application is presented in this paper. For survelliance purpose, the path of the robo have to feed initially. This robotic section runs with LPC2148 with CMOS camera with a person detection sensor. and monitoring section runs with MATLAB platform. Communications between two sections are accomplished through IEEE 802.15.4.
Keywords-ARM, Zigbee, Sensors module

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Cloud Based Remote Access Controllability with Enhanced Push/Pull Subscriptions

Cloud Based Remote Access Controllability with Enhanced Push/Pull Subscriptions | SCIE Journal Publishing | Scoop.it

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Cloud computing enables highly scalable services to be easily consumed over the Internet on an as-needed basis. It‟s a new paradigm for deploying services on rented remote machine. The security problem prevent the rapid development of cloud computing. In our project, we are trying to achieve a Trustworthy Service Oriented Architecture (TSOA) in the Cloud environment through enforcing stronger accountability. We are trying to implement a SAML based authentication which is evaluated by XSD and all the SAML alterations were validated and loaded by Janus back grounded SAML tracer. To avoid web bottling our project includes the customization of Anti-Spoof Captcha option in which the entire captcha will be dynamically constructed to enhance the highest security against spam bots. In cloud the documents will be stored in the format of File Stream Data type in a secure repository and the ease of tracking the documents with revoking versioning of the documents is one of the advanced accountability options designed in the system. The system is internally configured for Push and Pull Subscription methodologies, it is flexible to process on the log data and the data access will be driven by web services with an underlying SOAP protocol.

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Sustainable Development in Viticulture Industry in Turkey

Sustainable Development in Viticulture Industry in Turkey | SCIE Journal Publishing | Scoop.it

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Abstract
In 2011 world vineyards reached a total area surface of 7.58 millions ha, and global grape production reached 69.2 millions t an upwards trend. Turkey‘s acreage of vineyards is 0.46 millions ha that ranks fourth of greatest acreage followed by Spain, Italy, France, and 4.27 millions t grape production that is sixth followed by Italy, Spain, France, US, and China. Turkey, with these values has about 7% of the world area of vineyards, and meet 6.4% of grape production, and about 6% of the world average yield is below. On the other hand Turkey‘s in last 15 years yield have been raised up about 40% that was 6654.3 kg/ha at 1998 and 9248.7 kg/ha at 2012.Turkey after USA is the second important raisin grape producer by cv ‗Sultana‘ by 289952 tons at 2012 production, exporting mainly EU (84%) and different countries, and fifth big table grape producer that also has been exporting different countries, mainly Russian Federation, Germany, Austria, Netherland, and Saudi Arabia.
There is well development of organically certificated raisins and table grape production in last decade. In this study, changes in recent years global vineyards area surface and major grape production quantities, and wine-production in top countries, and Turkey' position shortly analyzed. Raisins production and table grapes export direction of Turkey briefly described. Achievements of researches on grape cross-breeding for table grapes, clonal selections on important grape varieties in Turkey evaluated.

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Promoting Education in War Zone- Waziristan

Promoting Education in War Zone- Waziristan | SCIE Journal Publishing | Scoop.it

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ABSTRACT:
Education has been overlooked in FATA and Waziristan, where the literacy rate according to official statistics is 17% and the remaining 83% cannot read and write their names. Absence of effective policy and lack of attention to develop the education sector in Waziristan resulted in illiteracy in the major section of society which gave birth to extremist tendencies. This negligence on the part of government not only deprived the people of basic right, but paved way for Talibanization, extremism and terrorism. After 9/11, education sector becomes a worse victim in the region due to the war against militancy and terrorism. The government of Pakistan with the help of international community started to cure society with well authentic and globally recommended dose, education the only panacea of social evils. The government establishment of new institutions or their up gradation or repairing of damaged schools are the sincere efforts, but unfortunately it does not contribute in increasing enrollment ratio and education uplift in the region. The paper focuses educational progress during the conflict in Waziristan

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Simulation Analysis of AODV-Assort Mobile Nodes

Simulation Analysis of AODV-Assort Mobile Nodes | SCIE Journal Publishing | Scoop.it

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Ad-hoc networks are wireless networks where nodes communicate with each other using multi-hop links. There is no stationary infrastructure or base station for communication. In the infrastructure network base stations are fixed. Mobile unit communicate to its base station but when mobile unit goes out of range of one base station it connects with another base station either loosing connection or without losing connection(hard handoff/soft handoff). Adhoc network is infrastructure less network , Such networks can be deployed anywhere and at any time or the fly. Each node itself acts as a router for forwarding and receiving packets to/from other nodes. Routing in adhoc-networks has been a challenging task ever since the wireless networks came into existence. The major reason for this is the constant change in network topology because of high degree of node mobility. A number of protocols have been developed for accomplish this task. The objective of the proposed work is to study the AODV[1,7] protocol performance on the basis of Throughput of generating packets at current node vs. simulation time, Packet size Vs. Maximum throughput of sending packet, Packet Size vs. Maximal Simulation End-to –End-Delay, Throughput of sending packets vs. Simulation time when the number of mobile nodes vary. Output results are compared using network simulator-2(NS2).

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Large Scale Energy Storage with Case of Australia

Large Scale Energy Storage with Case of Australia | SCIE Journal Publishing | Scoop.it

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Abstract:
Importance of energy storage systems is rising with our society’s increasing demand for inexpensive and clean energy. In upcoming energy system there will be bigger requirement for large scale energy management. Energy storage systems can reduce the costs required to develop the transmission and distribution capability to meet rising power demand. In energy applications, batteries, flow batteries, pumped hydro energy storage systems and compressed air energy storage systems are completely competent and fit for providing energy very rapidly in the power system, while rest of the energy storage systems are viable but not realistic or economical. Pumped hydro energy storage (PHES) and Compressed air energy storage (CAES) are only two large-scale (>100 MW) technologies commercially available for grid-joined electricity storage. Among these two, PHES is commonly adopted. Australia has 1490 MW of PHES in operation and some of the largest PHES are Tumut-3, Wivenhoe, and Shoalhaven.

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Municipal Solid Waste Management Scenario in India

Municipal Solid Waste Management Scenario in India | SCIE Journal Publishing | Scoop.it

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India is one of the fastest growing economies in the world today. Increasing prosperity and standard of living of millions of people leads to increase in consumption of energy and consumer goods. Concurrently, this growth likely put a strain on the environment and on the availability of natural resources. Already, India has 16.8% of the world’s population and only 2.2% of the world’s total land area. In India, as in other developing countries, solid waste management and sanitation are the least prioritized public services. These services are necessary for preventing the spread of diseases, promoting general well being, and improving the standard of living. However, due to lack of knowledge about the linkages of waste management to public health and environmental protection, unwillingness on the part of the local officials to take necessary action, and due to lack of funds for implementing and maintaining best practices, waste management has not received the attention as it requires. This paper provides an overview of waste generation, collection, disposal for India as a whole and some possible suggestions to overcome the problems associated with municipal solid Waste management.

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Study of the Thermal Stability Effect of Impregnation of Lanthanum Metal on FCC Catalyst

Study of the Thermal Stability Effect of Impregnation of Lanthanum Metal on FCC Catalyst | SCIE Journal Publishing | Scoop.it

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Abstract:
The Study of the thermal stability effect of impregnation of Lanthanum metal on FCC catalyst was carried out. Zeolite Y was synthesized and characterized using XRD, XRF, BET and TGA. The Si/Al ratio, BET surface area, pore volume and pore diameter of the as-synthesized zeolite was 3.05, 980.9 m2/g, 0.3494 cm3/g and 1.425 nm respectively. The as-synthesized zeolite Y was transformed to zeolites HY and HLaY, each was calcined at 650˚C to study their thermal stability. The calcination effect resulted to loss of 79% crystallinity in the zeolite HY while for the zeolite HLaY, it only resulted to 26% loss in crystallinity. The TGA/DTG analysis of the zeolite HLaY showed that it was thermally stable; no phase transformation occurred in the material for TGA scan of 30 - 750˚C.

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Multivariate Analysis of Hydrogeochemical Data of Ground Water System in Akwa Ibom State Area of Nigeria

Multivariate Analysis of Hydrogeochemical Data of Ground Water System in Akwa Ibom State Area of Nigeria | SCIE Journal Publishing | Scoop.it

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Abstract:
The high rate of exploiting ground water has been a result of the limitations of municipal supply network. Urbanization has exerted much stress on the municipal supply network such that the system cannot cope with the demand mostly due to the water processing stages and technology in use. Despite the debris that constitutes the different formations, suffice to understand that most ground water supplies remain fit for domestic use and other regular needs. In this study the ground water supply network in Akwa Ibom State per Local Government Area was evaluated base on hydrogeochemical properties of water. Principal component analysis indicated a group with lower EC, TDS and total hardness and the distribution of other sources infer contribution from processes and mechanisms that may explain enrichments in the major ions.

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Fingerprinting Ground Water Supply in Akwa Ibom State Area of Nigeria

Fingerprinting Ground Water Supply in Akwa Ibom State Area of Nigeria | SCIE Journal Publishing | Scoop.it

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Abstract:
Fingerprints are a sure way to preserve and recognize data, it’s immensely applicable for spotting potential changes in dynamic media such as underground water systems. In this study, an attempt is made on fingerprinting groundwater sources in Akwa Ibom State using the 100% stack column plot. Results indicate possible “at a glance” recognition of subtle compositional differences.
Keywords: Akwa Ibom State, cluster, groundwater, hydrogeochemical

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Inadequacy of Teaching and Learning Infrastructure: Reason Nigerian Universities cannot Drive Innovations

Inadequacy of Teaching and Learning Infrastructure: Reason Nigerian Universities cannot Drive Innovations | SCIE Journal Publishing | Scoop.it

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Abstract:
The role of the universities in Nigeria has been reduced to just issuing out certificates without the realization that universities are established to drive innovations and developments basically through research. This study examines why universities in Nigeria cannot drive innovations in Nigeria. The data for the study were derived mainly from secondary sources. Data were collected from journals, internet, published and published records on university education in Nigeria and the main report of the Committee on Needs Assessment of Nigeria Public Universities, June 2012. The committee assessed the needs of sixty one (61) universities out of the seventy four (74) public universities recognized by the National Universities Commission (NUC). These universities are in four (4) categories: the first generation universities, the second, third and fourth generation universities. There are a total of six (6) universities in the first generation and seven (7) in the second generation. A total of seventeen (17) make up third generation universities, while forty four (44) make up fourth generation universities. Six universities were selected for this study spread across the generation of universities and the six geo-political zones of the country. The study reveals that poor funding of the universities in Nigeria, and teaching and learning infrastructural deficiency, are the basic reasons Nigerian universities cannot drive development and innovation. The study concludes that until the problem of adequate funding, and adequate provision of teaching and learning infrastructure are addressed Nigerian universities cannot drive innovations.

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Developing and Validating Graphic Design Assessment Rubrics for Evaluating Pre-service Art Teachers’ Performance in Graphic Design

Developing and Validating Graphic Design Assessment Rubrics for Evaluating Pre-service Art Teachers’ Performance in Graphic Design | SCIE Journal Publishing | Scoop.it

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Abstract:
The subjective nature of assessments in visual art raises a concern of how to effectively measure achievements in the subject. Quality evaluation of artworks depends on accurate and reliable measurement. This paper describes the construction and evaluation of the reliability and validity of a scoring rubric for grading pre-service art teachers‟ visual communication design products. The validity of the developed rubrics is investigated as well as reliability study carried out. The results of the investigations carried out using intraclass correlation coefficient (ICC) are reported. Results show that the developed rubric show evidence of high reliability with an inter-rater correlation coefficient of 0.895 and intra-rater correlation coefficient of 0.927 which are within the very reliable range. Conclusions were drawn which have far reaching implications for the development and use of rubrics in assessment bearing in mind that subjectivity in the use of rubrics cannot be totally eliminated.

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Vocational Education: A Transformative Agenda for Curbing Unemployment Rate in Edo State. Nigeria

Vocational Education: A Transformative Agenda for Curbing Unemployment Rate in Edo State. Nigeria | SCIE Journal Publishing | Scoop.it

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Abstract:
The study determined the extent skills obtained in business education, Fine and Applied Art, Home Economics, Agriculture Science, and Industrial Technical Education programmes can help in curbing unemployment rate in Edo State, Nigeria. Five research questions were raised and answered with descriptive statistics of mean and standard deviation. The study adopted a survey research design. A sample of 264 respondents was used for the study. Cronbach Alpha was used to compute the reliability of the instrument and yielded 0.72. A structured questionnaire containing 66- item statement was used to solicit for information. The data collected revealed that skills acquired in five programme areas in vocational and technical education are capable of reducing unemployment in Nigeria. Based on these findings, it was recommended that appropriate government department and vocational and technical education institutions‟ administrators should obtain and maintain information about accurate labour projection in both public and private sectors.

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Early Childhood Care and Education in India: A Contextual Analysis

Early Childhood Care and Education in India: A Contextual Analysis | SCIE Journal Publishing | Scoop.it

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Induction:
The Constitution of India envisages that early childhood Care and education (ECCE) should be made available to the children from the age group of Zero to the age of 6 Years. This Early childhood care and education (ECCE) was incorporated in the Constitution of India by 86th Constitutional amendment in the year 2002. Now this concept of ECCE is in the Directive Principle of State Policy under the Chapter IV of the Constitution of India. The Constitution of India under its Article 45 inculcated the provision of Free and Compulsory education up to the age of 14.Then after it gets its Constititutional status under Article 21 (A) which is incorporated in part the III of Indian Constitution by the virtue of 86th Constitutional amendment. Thus, there is need to have a statutory back up to the provision of ECCE in Article 45. ECCE, being a broader areas of activity, it covers the physical, intellectual as well as psychological development of the child.

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Chinua Achebe and the Gender Issue in the Anthills of the Savannah

Chinua Achebe and the Gender Issue in the Anthills of the Savannah | SCIE Journal Publishing | Scoop.it

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ABSTRACT
The history of gender relation worldwide has never been pleasant as women are always at a disadvantage position without any consideration for their emotions and aspirations. Left in this quagmire, women have resolved to take their destiny in their hands by embarking on the struggle for equality with men. This struggle is mirrored in literatures of the world: African male writers especially, present female characters in less than charitable light. Consequently, women writers paying men in their own coins turn to present male characters as brutes and monsters. The paper attempts an examination of the characterization of female characters to show on one hand what societies stand to gain if women are situated in the main stream of events and on the other hand to set a model for a balance representation of gender issues in world societies and Nigeria in particular.

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Quantitative Assessment of Hydrocarbon Utilizing Microflora of the Rhizosphere of Some Plants in the Rainforest and Mangrove Swamp in Niger Delta

Quantitative Assessment of Hydrocarbon Utilizing Microflora of the Rhizosphere of Some Plants in the Rainforest and Mangrove Swamp in Niger Delta | SCIE Journal Publishing | Scoop.it

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Abstract
The rhizosphere and bulk soils of twenty one plants from the rainforest and mangrove swamp from the Niger Delta were assessed for the total heterotrophic and hydrocarbon utilizing bacterial and fungal counts. The total rhizosphere heterotrophic bacterial and fungal counts ranged from 2.1 x106 ±1.4 x105 – 8.3 x 106 ± 3.9 106 cfu/g and 1.9 x 105 ± 5.0 x 104 – 7.8 x 106 ± 8.0 x 105 cfu/g respectively. While the total rhizosphere hydrocarbon utilizing bacterial and fungal counts ranged from 1.6 x 104 ± 5.0 x 103 – 1.3 x 106 ± 4.0 x105 and 1.0 x 103 ± 7.0 x 102 – 2.0 x105 ± 4.0 x 104 cfu/g respectively. Statistically, plant species had effect on the total rhizosphere heterotrophic and hydrocarbon utilizing bacterial and fungal counts (P ≤ 0.05). With the exception of Panicum maximum and Mangrove grass B, the rhizosphere of all the plant species screened revealed significantly higher counts of hydrocarbon utilizing bacteria than fungi (P ≤ 0.05). In the rainforest, Saccharum officinarum, Arachis hypogaea, Kalanchoe pinnata, Telfaira acidentalis ,Zea mays and Phaseolus vulgaris (white bean) had 10% or more of their rhizosphere bacterial population as hydrocarbon utilizers and the rhizosphere effect on the overall hydrocarbon utilizing populations were, 8.6, 7.2, 5.0, 4.2, 4.2 and 1.7 respectively. In the mangrove swamp, Azolla pinnata , Eichornia crasssipes and Phragmitis australies had 1.4 % or more of their rhizosphere bacterial population as hydrocarbon utilizers and the rhizosphere effect on the overall hydrocarbon utilizing populations were, 4.5, 2.9, and 1.9 respectively. Analysis of the baseline properties of soil sample for plant propagation indicate a sandy-clay-loam soil, TPH level of 397.5 mg/kg, TOC, 0.06%, pH,5.05 and porosity, 32.0% .

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ESP Effect; Threat to Social Ownership of Air

ESP Effect; Threat to Social Ownership of Air | SCIE Journal Publishing | Scoop.it

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Abstract:
The running theory of environmental issue (Ragnar Nurkse [1] and AC Pigou [3]) is based on hypothesis that largest polluters suffers most than small polluters. In this paper I formulates certain principle that governs the shifting of air pollution from top to less polluting nations by conductivity character of air and shows that least polluted nation is largest victims of air pollution generated by big pollutes. Both Conceptual vs. Empirical methodology is used .In Less Polluting Nations, the content of Particulate of pollution (PM2) is equal to or more than Top Polluting Nations. It is arrived by conductivity character of air and it moves in search of less density polluted place. In such nations it is found that air pollution related illness or death and extinction rate of species (Paul R. Ehrlich)[ 4.A] out of pollution is high is less polluted ones. This lead to conclude that air pollution particles produced in heavily polluted nations such as USA and China tend to less polluting nations such as Pakistan, Burma, Afghanistan and impose health and environment crises artificially .The peculiar nature earth rotation and existence of difference in the density of air push polluted air travels of more polluted to less polluted nations .At the same time no particles of pollution travels from less to more to more polluted nation because of motion low of air. More people from less polluted, most of whom were malnutrition is often falling victims of air pollution other nation and put forth new demand for compensation to victim nations

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Municipal Solid Waste Management Scenario in India

Municipal Solid Waste Management Scenario in India | SCIE Journal Publishing | Scoop.it
http://www.scie.org.au/ Abstract: India is one of the fastest growing economies in the world today. Increasing prosperity and standard of living of millions of people leads to increase in consumption of energy and consumer goods. Concurrently, this growth likely put a strain on the environment and on the availability of natural resources. Already, India has 16.8% of the world’s population and only 2.2% of the world’s total land area. In India, as in other developing countries, solid waste management and sanitation are the least prioritized public services. These services are necessary for preventing the spread of diseases, promoting general well being, and improving the standard of living. However, due to lack of knowledge about the linkages of waste management to public health and environmental protection, unwillingness on the part of the local officials to take necessary action, and due to lack of funds for implementing and maintaining best practices, waste management has not received the attention as it requires. This paper provides an overview of waste generation, collection, disposal for India as a whole and some possible suggestions to overcome the problems associated with municipal solid Waste management. more: http://www.scie.org.au/australian-journal-of-engineering-research
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Ground Water Flow Direction in Akwa Ibom State Area of Nigeria

Ground Water Flow Direction in Akwa Ibom State Area of Nigeria | SCIE Journal Publishing | Scoop.it

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Abstract:
The hydrogeology and flow direction of ground water system is vital to the economy and well being of a greater population of Nigeria and in a wider context the whole world in contemporary times. Hither to, the municipal town supply system has been in existent, but with the geometric growth in population in Akwa Ibom, Government has found it difficult to continue with this supply. The indecent waste disposal system makes it pertinent to understand the ground water system and flow direction for potential remediation measures in the event of ground water pollution possibly by leachates from waste disposal sites or from oil activities. In this study the flow direction of ground water supply system in Akwa Ibom State was modeled using surfer 8, results indicates that the resource system bears a NE-SW trend. This is consistent with the region ground water flow direction in the Niger Delta.

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Analytic Hierarchy Process

Analytic Hierarchy Process | SCIE Journal Publishing | Scoop.it

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Abstract:
To make any decision in any work/task/project it involves many factors that needed to be looked. The analytic Hierarchy process (AHP) is based on the judgments of experts to derive the required results this technique measures the intangibles and then by the help of judgment and software analysis the comparisons are made which shows how much a certain element/unit leads another.
AHP includes how an inconsistent judgment should be made consistent and how the judgment should be improved when possible. The Priority scales are obtained by multiplying them with the priority of their parent node and after that they are added

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Production of Activated Carbon from Sugar Cane Bagasse

Production of Activated Carbon from Sugar Cane Bagasse | SCIE Journal Publishing | Scoop.it

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Production of activated carbon from sugar cane bagasse was investigated. Zinc chloride was used as activating agent at varying ratios of 1:1, 0.75:1, 0.5:1 and 0.25:1 activating agent to bagasse, forming various formulations. The pH values of the various formulations were determined as 6.82, 6.84, 6.47 and 6.15 respectively. The ash content values were 38.7, 39.6, 40.8 and 41.6wt% respectively. The BET surface area values were 881.9, 801.2, 741.1 and 705.7 m2/g respectively. Isotherm study was carried out usingFreundlich and Langmuir isotherms, Freundlich isotherm gave a better correlation. The best activated carbon formulation arrived was 1:1 AC.
Key words: Absorbent, Activated carbon, Bagasse, Production, pH, Ash content, BET surface area, Freundlich isotherm, Langmuir isotherm.

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Influence of Fiber Orientation on E-Glass/Epoxy Composite Laminates Subjected to Quasi-Static Loading

Influence of Fiber Orientation on E-Glass/Epoxy Composite Laminates Subjected to Quasi-Static Loading | SCIE Journal Publishing | Scoop.it

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Abstract:
E-glass/Epoxy composite circular laminated plates composed of bi-directional laminae (00, θ) n, clamped on all the sides are subjected to quasi-static indentation at the center with a spherical stainless steel ball indenter of diameter8.32mm . Damage pattern on surface of the laminated plates with varying degrees of fiber orientation θ ranging between150-900 is studied using optical illumination. Damage is quantified in terms of the area of opacity of the damaged region representing inter-ply delaminations, intra-ply debonds and fiber fracture. Results indicated that damage (area of opacity) is generally in direct proportion to the angle θ except in the (00,450) ply orientation. Observations from scanning electron micrographs co-related with visual observations. Damage is characteristic with cone cracks on the back face. Most internal damage is limited to the surroundings of the indentation spot.

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