American Journal of Basic and Applied Sciences


Cause analysis and treatment of acid wastewater pollution in xiayuanqiaotou coal mine of Kaili City, Guizhou Province

Research Article of American Journal of Basic and Applied Sciences Cause analysis and treatment of acid wastewater pollution in xiayuanqiaotou coal mine of Kaili City, Guizhou Province Mengxia Li1*, Shuai Xu1 1School of Earth Science and Engineering, Hebei University of Engineering, Handan, Hebei 056038, China. In this paper, the acid wastewater pollution caused by the closed pit of xiayuanqiaotou Coal Mine is taken as an example. Through hydrogeological survey and field inspection, the geological and hydrogeological conditions of the study area are understood, and the cause and discharge of acid wastewater pollution in the mining area are analyzed. The results show that the goaf and coal gangue leaching water formed by the disorderly mining of small coal kilns in the Yudonghe Vally are the main sources of acidic wastewater pollution, and direct drainage from the mine mouth is the main drainage method of pollution in the Yudong Vally.Based on this, the technology of source control plus terminal treatment has been adopted, and applying regional water treatment and prevention technology to treatment is a new model of both specimens and treatments.which will play a significant role in the treatment of acid mine water in Guizhou and the south in the future. Keywords: Acid wastewater pollution; Coal mine; Treatment ...

Traditional Agricultural Practices And Natural Resource Management: The Case Of Gumuz Community In Mandura District

Research Article of American Journal of Basic and Applied Sciences Traditional Agricultural Practices And Natural Resource Management: The Case Of Gumuz Community In Mandura District Bogale Aligaiz Agalu Department of History, Injibara The Gumuz is one of the groups of the people, who are living in Mandura district of the Metekkel administrative Zone, Benishangul-Gumuz Regional state. This study aimed to assess and outline the traditional agricultural practices and natural resource management of the Gumuz community in Mandura district of the Metekel zone, Northwestern Ethiopia, in state of Benishangul-Gumuz region. Gumuz communities of the study area have their own agricultural practices and traditional resource management that distinct them from others. It attempted to high-light on the land tenure system, periodical agricultural activates and approaches of the natural resource management of the community. The paper aims to contribute to the understanding of the traditional agricultural practices and natural resource management of the Gumuz society. Keywords: Gumuz, Agricultural practices, Shifting Cultivation, Natural resource management ...

Research on Fire Behavior of Ship Engine Room

Research Article of American Journal of Basic and Applied Sciences Research on Fire Behavior of Ship Engine Room Chen keye College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China. Due to the need for high performance and reduced commercial cost of ownership, and due to many outstanding advantages such as high strength and light weight, steel has been widely used in engineering practice. In the case of fire, in order to prevent and protect these structures, it is the key issue to study the fire behavior environment. The engine room is also the source of power for ships. It is a high-risk area with frequent fires. Therefore, this paper mainly uses FDS to conduct numerical simulation research through a scaled-down engine room with a size of 3m×3m×3.5m. The change of temperature, pressure and smoke movement in the closed cabin with time at a fire source height of 1.5m is studied. The research shows that the fire behavior inside the closed cabin conforms to the two-zone model, and the fire suppression method of the closed fire has its significant advantages, And looked for the best time to reopen the cabin and the location of subsequent repair structures. Keywords: Fire behavior; Ship engine room; FDS ...

Apiculture Constraints and Opportunities in Diga and Wayu Tuka Districts

Research Article of American Journal of Basic and Applied Sciences Apiculture Constraints and Opportunities in Diga and Wayu Tuka Districts Amsalu Arega1, Hailu Mazengia2 and Muse Haile melekot2 1Bako Agricultural Research Center 2Bahirdar University, College of Agriculture and Environmental Science The study was conducted in Diga and Wayu Tuka Districts to determine the constraints and opportunities of beekeeping. Questionnaire surveys was administered to 146 beekeepers (97.1% males). Majority of the respondents started beekeeping after 2010 (28.03%) by catching colonies as honey bee colony source (54.8%). The major dearth period of the area was late march to early may. The trend of beekeeping in the study area was shifting from traditional to modern beekeeping and the trend of honeybee colony and its yield was decreasing due to honeybee health problem of the area (pests, predators, pathogenic disease, high cost of bee equipment and agrochemical application). In the study area the major pests and predators considered as challenges were ants, beetles, wax moth, varroa destructor and some predators like honey badgers, honeybee eater birds, dead head hawks moth, lizards, wasps and birds respectively. For the reason of time restraint in this study area, farther study on the driving force of challenge and opportunity of beekeeping is suggested by monitoring throughout the year. Keywords: Honeybees, opportunity, constraint, Oromia ...

Dr. Boumediene Haddad
Associate professor (lecturer and Scientific Researcher), Department of Chemistry, Dr. Moulay Taher University

Dr. Alfred DACI
Polytechnic University of Tirana, Mathematical and Physical Engineering Faculty, Department of Mathematics

Dr. Mohammad Mehdizadeh
PhD of Weed Science, University of Mohaghegh Ardabili

Dr. Karol Szyluk
District Hospital of Orthopedics and Trauma Surgery. b41-940 Piekary Śląskie, Bytomska 62 str. 

Dr. Raga Mohamed Elzaki Ali
Department of Consumer Sciences and Agribusiness, College of Agricultural and Food Sciences, King Faisal University

Dr. Shankar T Battase
Assistant Professor and Head, Dept. of Commerce and Management, Govt. First Grade College Sindagi

Dr. ABHISHEK SHUKLA
Assistant Professor, R.D. Engineering College Technical Campus, Ghaziabad

Dr. Hossein Alizadeh
Research Officer, Lincoln University

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1.Melo, M.C.F, Macêdo, T.S, Oliveira, J.C, Araújo, M.G.C, Vidal, A.K.L. Odontologic atention on oncological practice.American Journal of Basic and Applied Sciences, 2018, 1:5. DOI:10.28933/ajbas-2018-06-1805 
2.Ramos L.V.S, Santos G..; Lima L.F.A, França L.C. , Santana J. F., Trindade M. O.Polysomnography and bruxism.American Journal of Basic and Applied Sciences, 2018, 1:3. DOI:10.28933/ajbas-2018-06-1803

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American Journal of Basic and Applied Sciences

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