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Suspension Polymerization was used for the synthesizing of cross-linked polystyrene-divinylbenzene (PS-DVB) containing 16% DVB. For application of these resins as columns’ filler in ion-exchange chromatography; the sulfonation reactions were done by acetyl sulfate and in the presence of methylene chloride as solvent at 60°C. The exchange capacities of cation exchange resins X-16 (CE=225 meq/100g) was determined by titration procedure. The structure of PS-DVB resin was investigated by scanning electron microscope (SEM) technique. The SEM images showed that the porous structure of PS-DVB resin was approximately maintained intact after sulfonation reaction. TGA and FTIR techniques were used to investigate the thermo gravimetric analysis and structures of obtained resins, respectively.

Interruptions in hydroelectric energy damage equipment and reduce worker productivity. Manufacturing leaders in Zambia who fail to implement strategies to manage hydroelectricity interruptions risk financial losses. Grounded in the contingency theory (CT), the purpose of this qualitative multiple-case study was to explore strategies that some manufacturing leaders use to manage hydroelectricity interruptions. The participants were six managers from different manufacturing industries based in Lusaka, Zambia, who implemented strategies to manage hydropower interruptions. Data collection involved semi-structured interviews and reviews of company documents, company websites, and publications from the Zambia Association of Manufacturers related to managing hydroelectricity power interruptions. Thematic analysis was used to understand and discern the data. The important emergent theme was the importance of investment in stabilizers and storage facilities. A key recommendation from the findings, is to ensure an appropriate level of investment in alternative power-generating equipment and upgrading of plant transformers. The investment and the strategic outcomes from substantive investments in preventing energy disruptions are in the impetus for job creation, and the consequent positive social change with arising from fueling the local economy and subsequent tax base.

This study was designed to establish the project based factors influencing the supply of safe water in Kenya with Mombasa County as a case study. The Government and private organizations have established many water projects but most of them have been characterized with low levels of sustainability. Some of them have become un-operational requiring rehabilitation. Inspite of the existing projects, the water supply is still inadequate. To address the problem, this study identified four specific objectives, namely; to establish the influence of project planning on the supply of safe water, to establish the influence of project risk management on the supply of safe water, to determine the effect of project quality control management on the supply of safe water and to determine the effect of project monitoring and evaluation on the supply of safe water. The hypotheses used were geared towards establishing the influence of water projects? planning, risk management, quality management and monitoring & evaluation, on the supply of safe water. All the variables are interrelated. Project planning includes plans in all the project knowledge areas such as quality and risk management which touch on all deliverables and processes. M&E is also done on deliverables and processes, in reference to the agreement made during project planning. The study sought to assist the national and county governments in the sustained provision of safe water. The theories of sustainability, participation and project management were analyzed in relation to the supply of safe water. The participation theory discussed the unity of the beneficiaries for the sake of water projects. Sustainability theory discussed the long term water benefits. Whereas, the project management theory put emphasis on the water projects? processes.

Radon is one of the most important radioactive elements which are released by natural decay of available uranium and radium in the ground. The presence of the gas is common in various drinking water sources. As a way of prevention, we have measured the activities of radon for sixty-four (64) drinking water samples collected from boreholes and hand-dug wells. This study was conducted during the dry season (December-January) of 2016. The samples were collected from sixty-four (64) water sources (boreholes and hand-dug wells). The concentration of radon was evaluated using solid state nuclear track detector LR-115 type II, with an active layer of 12 ?m on a 100 ?m clear base. The minimum radon concentration in the water sources was 30.17 Bq/m3 (hand-dug well) and the maximum amount was calculated as 115.33 Bq/m3(borehole). Based on the results, radon concentration of the drinking water sources was below the permitted levels of EPA and WHO guidelines. These activities do not present any health risk to the community.

Tax is a compulsory levy on individual or organisation by the government as a statutory obligation. The classical function of the tax system is the raising of revenue to meet government expenditures. Exempt income is an income liable to be taxed by law but expressly excluded by another provision of the law. Tax exemption refers to a monetary exemption which reduces taxable income. Tax exemptions are granted specifically to specialized companies, religious, charitable, or non-governmental organisations and so on in relation to income derived by them. Basically, these organisations enjoy favourable tax treatments because of their exempt status. Though, tax exemption has been criticized as a subsidy granted by legislative grace to these organisations performing services that the government would have to perform and that such a subsidy relieves the exempt organisation of tax obligations that other tax payers are often obliged to assume. However, be that as it may, the objective of this paper is to critically re-appraise the tax exemptions granted to these organisations and buttress that the tax exemption granted them do not extend to where they derive income from trade or any other business carried out by them.

Reading is a valuable source of input and plays a major role in the process of language learning. It helps learners gain information, broadens their understanding of different subjects, and thus assists them in achieving their academic goals (Renandya & Jacobs, 2002). One of the main methods to enhance easy, joyful and active reading is through the utilization of reading strategies. The present article is a synthesis and review of the most recent studies in the field of reading strategies in Iran.

This review presents a recent advance in natural antimicrobial food packaging. this packaging has emerged as a promising solution to improve food safety and extend shelf life decreases the carbon foot print while meeting consumer demand for sustainable packaging materials. The main tendency in package evolution is the switch from wasteful, polluting plastic to edible, biodegradable, film packaging that is antimicrobial active. This review comprehensively reviews recent research advances trends of polysaccharide-based materials in edible packaging addition of various components from natural agents (bacteriocins, essential oils, and natural extracts) to synthetic agents, organic.

Abdollahi, Akbari, and Maimani put forward a conjecture named AAM's Conjecture as follows. If is a finite nonabelian simple group and is a group such that, then .In this note, we prove that if is a finite nonabelian simple group with, then ,where is the alternating group of degree 16.

Impulse noise is the major factor that affects the image during signal acquisition and transmission. Here an efficient simple edge preserving denoising technique is used to remove the impulse noise. To avoid the possible misdetection this technique does not affect the noise free pixel. It uses different directional edges to preserve the edge information. The experimental result shows excellent performances in terms of quantitative evaluation and visual quality. The design cost is also low because it needs only two line memory buffer and less computational complexity.

Heavy metals may be harmful to humans through ingestion of medicinal plants containing metals through atmospheric pollution, pesticides and chemical fertilizers root uptake, ingestion of plants splashed with contaminated soil. Metals of concern are arsenic (As), cadmium (Cd), copper (Cu), Mercury (Hg) and lead (Pb). Removal of the heavy metal ions from contaminated medicinal plants Indigofera tinctoria and Acalypha indica by adsorption technique. It is the best, economically viable and efficient method. It, therefore, becomes necessary to remove these heavy metals from medicinal plants by an appropriate treatment before consuming.