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RISS 인기검색어
- 검색키워드
- 저자 : Kinyanjui, Thomas (검색결과 6 건)
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Bethuel Kinyanjui Kinuthia 연세대학교 빈곤문제국제개발연구원 2010 Journal of Poverty Alleviation and International D Vol.1 No.1
This paper examines the extent to which the preconditions for poverty reduction as proposed by tracking development were met in Malaysia. Tracking development suggests that for poverty reduction to take place there must be adequate macroeconomic management, economic freedom for peasants and small entrepreneurs and pro poor, pro rural public spending and the three preconditions must be met simultaneously. Malaysia in the last three decades has been able to industrialize as well as reduce poverty levels significantly. Using the Malaysian experience this paper does not find a convincing evidence to support the three hypotheses. There is need to redefine the concept of turning point and the preconditions for poverty reduction as presented by tracking development and some useful thoughts are presented.
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Characterization of Forest Fire Emissions and Their Possible Toxicological Impacts on Human Health
Kibet, Joshua,Bosire, Josephate,Kinyanjui, Thomas,Lang'at, Moses,Rono, Nicholas Institute of Forest Science 2017 Journal of Forest Science Vol.33 No.2
In flight particulate matter particularly emissions generated by incomplete combustion processes has become a subject of global concern due to the health problems and environmental impacts associated with them. This has compelled most countries to set standards for coarse and fine particles due to their conspicuous impacts on environment and public health. This contribution therefore explores forest fire emissions and how its particulates affects air quality, damage to vegetation, water bodies and biological functions as architects for lung diseases and other degenerative illnesses such as oxidative stress and aging. Soot was collected from simulated forest fire using a clean glass surface and carefully transferred into amber vials for analysis. Volatile components of soot were collected over 10 mL dichloromethane and analyzed using a QTOF Premier-Water Corp Liquid Chromatography hyphenated to a mass selective detector (MSD), and Gas Chromatograph coupled to a mass spectrometer (GC-MS). To characterize the size and surface morphology of soot, a scanning electron microscope (SEM) was used. The characterization of molecular volatiles from simulated forest fire emissions revealed long chain compounds including octadec-9-enoic acid, octadec-6-enoic acid, cyclotetracosane, cyclotetradecane, and a few aromatic hydrocarbons (benzene and naphthalene). Special classes of organics (dibenzo-p-dioxin and 2H-benzopyran) were also detected as minor products. Dibenzo-p-dioxin for instance in chlorinated form is one of the deadliest environmental organic toxins. The average particulate size of emissions using SEM was found to be $11.51{\pm}4.91{\mu}m$. This study has shown that most of the emissions from simulated forest fire fall within $PM_{10}$ particulate size. The molecular by-products of forest fire and particulate emissions may be toxic to both human and natural ecosystems, and are possible precursors for various respiratory ailments and cancers. The burning of a forest by natural disasters or man-made fires results in the destruction of natural habitats and serious air pollution.
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Characterization of Forest Fire Emissions and Their Possible Toxicological Impacts on Human Health
Joshua Kibet,Josephate Bosire,Thomas Kinyanjui,Moses Lang’at,Nicholas Rono 강원대학교 산림과학연구소 2017 Journal of Forest Science Vol.33 No.2
In flight particulate matter particularly emissions generated by incomplete combustion processes has become a subject of global concern due to the health problems and environmental impacts associated with them. This has compelled most countries to set standards for coarse and fine particles due to their conspicuous impacts on environment and public health. This contribution therefore explores forest fire emissions and how its particulates affects air quality, damage to vegetation, water bodies and biological functions as architects for lung diseases and other degenerative illnesses such as oxidative stress and aging. Soot was collected from simulated forest fire using a clean glass surface and carefully transferred into amber vials for analysis. Volatile components of soot were collected over 10 mL dichloromethane and analyzed using a QTOF Premier-Water Corp Liquid Chromatography hyphenated to a mass selective detector (MSD), and Gas Chromatograph coupled to a mass spectrometer (GC-MS). To characterize the size and surface morphology of soot, a scanning electron microscope (SEM) was used. The characterization of molecular volatiles from simulated forest fire emissions revealed long chain compounds including octadec-9-enoic acid, octadec-6-enoic acid, cyclotetracosane, cyclotetradecane, and a few aromatic hydrocarbons (benzene and naphthalene). Special classes of organics (dibenzo-p-dioxin and 2H-benzopyran) were also detected as minor products. Dibenzo-p-dioxin for instance in chlorinated form is one of the deadliest environmental organic toxins. The average particulate size of emissions using SEM was found to be 11.51±4.91 m. This study has shown that most of the emissions from simulated forest fire fall within PM10 particulate size. The molecular by-products of forest fire and particulate emissions may be toxic to both human and natural ecosystems, and are possible precursors for various respiratory ailments and cancers. The burning of a forest by natural disasters or man-made fires results in the destruction of natural habitats and serious air pollution.
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