Research ArticleOpen accessIn the author namesEnvironmental Issues in Jordan, Solutions and RecommendationsNidal A. Hadadin, Zeyad S. TarawnehJordan’s natural resources are limited to support population in a sustainable manner. However, its environment is exposed to a number of threats. In order to best explain Jordan’s environmental difficulties, it would be prudent to focus individually on each of these major concerns: water shortages, agriculture/land and air pollution. This study focuses on the environmental problems in Jordan and has … …American Journal of Environmental Sciences, Vol. 3, Issue 1 · 31 Mar 2007 · 10,104 accessesView PDFCite
Research ArticleOpen accessIn the author namesFriction Forces in O-ring SealingAl-Ghathian, Faisal M.M. Tarawneh, S. MuafagIn the present study the focus was on developing a relationship as practical and convenient option for computing the friction force in O-ring sealing elements as used in the hydraulic and pneumatic equipments. For low-pressure applications, the developed relationship was applied for a different number of O-ring diameters, by investigating the obtained results, a good agreement has been observed for … …American Journal of Applied Sciences, Vol. 2, Issue 3 · 31 Mar 2005 · 8,456 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Study of Seasonal Patterns in Vegetation Diversity and Forage Yield DynamicsSema, Jasmal Ahmari Syamsu et al.This study examines the seasonal dynamics of vegetation diversity, forage yield, and nutrient quality in Tarabbi Village, Malili District, East Luwu Regency, conducted from July 2023 to July 2024. Using a survey approach and field measurements, data were collected through the Estimated Actual Weight method and Summed Dominance Ratio (SDR), complemented by Geographic Information System (GIS) technology for analysis. Principal … …OnLine Journal of Biological Sciences, Vol. 25, Issue 3 · 7 Jul 2025 · 3,288 accessesView PDFCite
Research ArticleOpen accessIn the abstractEndemics and Subendemics Species Diversity of Ketpen Ridge FloraGulbanu Aueskhanovna Sadyrova, Duman Kulakhmetovich Baizhygitov, Saule Melsovna Dzhamilova et al.The article considers endemic and subendemic species composition of Ketpen ridge flora. It has been educed that in the Ketpen ridge flora there are 46 endemic and subendemic species belonging to 28 genera and 17 families. Peculiarly, there are only 5 species belonging to 5 genera and 5 families: Endemic species of the Ketpen ridge: Fabaceae, Boraginaceae, Asteraceae, Zygophyllaceae and … …OnLine Journal of Biological Sciences, Vol. 17, Issue 4 · 19 Oct 2017 · 7,633 accessesView PDFCite
Research ArticleOpen accessIn the abstractLevels of Dichlorodiphenyltrichloroethane and its Metabolites in the Blood of Agrochemicals RetailersAnthony J. Hotton, Jeoffrey T. Barminas, Sunday A. OsemeahonProblem statement: In tropical countries like Nigeria, the storage, sales and handling of pesticide by agrochemical retailers in indoor stores located in open markets and residential areas were fraught with problem of undesirable side effect. Serum levels of 1, 1, 1-trichloro-2, 2-di (4-chlorophenyl) ethane (DDT) and its metabolite were measured among agrochemicals retailers in Taraba, Nigeria. Approach: Blood samples from … …American Journal of Environmental Sciences, Vol. 8, Issue 2 · 22 Mar 2012 · 7,451 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Impact of Air Pollution on Human Health: Focusing on the Rudnyi Altay Industrial AreaVitaliy G. Salnikov, Marat A. KaratayevProblem statement: Air pollution in Kazakhstan is significant environmental problem. The air pollution level of cities and industrial centers remains rather high. The highest level of air pollution is registered in Ridder, Ust-Kamenogorsk, Almaty, Zyryanovsk, Aktau, Atyrau, Shymkent, Taraz, Petropavlovsk and Temirtau. The enterprises of the Rudnyi Altay, Pavlodar Oblast and enterprises of oil and gas complex in West-Kazakhstan, Atyrau … …American Journal of Environmental Sciences, Vol. 7, Issue 3 · 21 Jul 2011 · 10,447 accessesView PDFCite