نتایج جستجو برای: water environment

تعداد نتایج: 1033333  

2012
Thulani Dube

Although there is considerable on-going debate about the suitability and sustainability of community based water resources management (CBWRM) in Africa as a water provision strategy, evidence shows that this approach has gone a long way in promoting access to clean water amongst rural African communities. CBWRM provides an alternative approach to water provision for rural communities. This pape...

Journal: :مجله علوم تکثیر و آبزی پروری 0
فخریه امیدری fakhriyeh omidi gorganگرگان سیدعباس حسینی seyyed abbas hosseini goganگرگان رسول قربانی rasoul ghorbani gorganگرگان عباسعلی زنده بودی abbasali zendeboudi bushehrبوشهر

this research aimed to assess factors of water quality in ponds l. vannamei in site of bushehr helle and provide solutions to improve water quality shrimp l. vannamei were conducted in this area, during the period of 120 days. this studies was conducted across the 7- hectare pond with a density of 22 shrimp per square meter in breeding site of bushehr helle in 2013. from parameters of water oxy...

Journal: :رخساره های رسوبی 0
رضوان دهقان امرالله صفری

the qom formation in ghohrud area, have been investigated in order to determine its biostratigraphy and palaeoecology. the thickness of qom formation is 325 meters at the study area and consists of thin, medium to thick bedded and massive limestons. they underline on eocene volcanic with disconformably and its upper boundary is overlain by alluvium. based on thin section studies 14 genera and 2...

جمشید مقدم, مهدی , پورداد, سید سعید ,

GGE (genotype + genotype×environment) biplot is one of the new graphical methods to study genotype×environment interaction in which the effects of genotype and G×E interaction are not separated and selection is based on both of these effects. In the present research, GGE biplot was used to study 14 safflower genotypes over six research stations under water stress and non-stress conditions in sp...

2012
S. N. Al-Bahry I. Y. Mahmoud S. K. Al-Musharafi

Oman depends on recycling treated wastewater as a solution to overcome the limited water supply. However, the risk of reusing recycled sewage water in the environment and public health is a major concern. Tertiary sewage treated effluent (TSE) was evaluated microbiologically from three sewage treatment plants (STPs). Mainly, all TSE from the three plants contained coliform and Escherichia coli....

2014
Ying Zhao Dongmei Liu Huan Tang Jing Lu Fuyi Cui

With the development of nanotechnology, more nanomaterials will enter into water environment system. Studying the existing form of nanomaterials in water environment will help people benefit from the correct use of them and to reduce the harm to human caused by them for some nanomaterials can bring polluting effect. Aggregation is a main behavior for nanoparticle in water environment. NZVI are ...

2014
M. A. Malek M. N. Uddin M. Atiquzzaman A.H.M.G. Hyder S. K. Palit

Arsenic, a semi-metal, colourless, tasteless and odourless toxic element, is known as the “King of Poison” at present. Arsenicosis is a well-known chronic disease which occurs due to drinking of arsenic contaminated tube well water having arsenic level exceeding the normal level for a prolonged period. It is likely to create a significant health impact ranging from skin lesions to cancer culmin...

ژورنال: کواترنری ایران 2018

Several studies had been tried to illustrate the paleo coastlines of the Persian Gulf during the Holocene. A review of those researches reflects the fact that all of them have stablished their facts based on the sedimentary environment interpretations with no quantitative evidence. Generally, the study area is a changing environment which is a combination of riverine, continental, coastal and e...

2013
AKINWALE O. COKER

According to Federal Environmental Protection Agency (FEPA) Act of 1990, under section 38 a very lucid definition of environment was given as thus: ‘Environment includes water, air, land and all plants and human beings and/or animals living there in and the interrelationships which exist among these or any of them.’’ Thus, ‘’environment’’ comprises land, air, water and all the physical structur...

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