نتایج جستجو برای: sewage pollution

تعداد نتایج: 80531  

Journal: :Journal of environmental sciences 2016
Yulang Chi Qiansheng Huang Huanteng Zhang Yajie Chen Sijun Dong

Estrogenic pollution and its control in aquatic systems have drawn substantial attention around the world. The chemical and biological assessment approaches currently utilized in the laboratory or field cannot give an integrated assessment of the pollution when used separately. In this study, in situ chemical and biological methods were combined to detect pollution in a water recycling system. ...

Journal: :Annals of the New York Academy of Sciences 2015

Journal: :فیزیک زمین و فضا 0
سیدطالب حسینی کارشناسی ارشد فیزیک دریا، موسسه ملی اقیانوس شناسی، مرکز اقیانوس شناسی خلیج فارس، بوشهر حسین فرجامی کارشناسی ارشد فیزیک دریا، پژوهشکده هواشناسی، تهران سید مهدی محمودی کارشناسی ارشد فیزیک دریا، دانشگاه علوم وفنون دریایی خرمشهر

it is well known that, contaminant transportation is a major problem in coastal zones and has to be faced when coastal structures are being planned. sea pollution not only causes environmental damage, but also impacts quality and population of sea resources. oil is the most important pollutant, pollutants emanating from industries, ships, drilling and exploration in the seabed, ship sewage, tox...

2009
Jianfeng ZHANG Jingmin JIANG Zhijian ZHANG Qihua SHAN Guangcai CHEN Ying WANG Yonghui XU Harry WU Aljoy ABARQUEZ

Taihu Lake is located at the center of Changjiang delta region, the Lake and its effluent rivers are important water sources for 40 million around inhabitants and rapidly increasing industrial factories in Shanghai, Jiangsu and Zhejiang. The pollutants originate mainly from acidy rain, home sewage of the vast number of inhabitants, livestock manure, agricultural fertilizers & pesticides applied...

Journal: :Applied and environmental microbiology 1994
L Fiksdal M Pommepuy M P Caprais I Midttun

Enzyme assays for 4-methylumbelliferyl-beta-D-galactopyranosidase and 4-methylumbelliferyl-beta-D-glucuronidase activities were used for rapid detection (25 min) of fecal water pollution and to determine the impact of sewage discharge in coastal waters. Two coastal areas were investigated: (i) an estuary characterized by a high degree of contamination downstream of a discharge from a sewage tre...

Journal: :Environmental Health Perspectives 1995
R A Sanchez

This article presents the results of a transboundary water quality monitoring program at the two Nogales area in the Arizona-Sonora border region. The program was carried out jointly in 1990 by U.S. and Mexican institutions. The results show pollution problems due to deficiencies in Nogales, Sonora municipal sewerage system, causing not only sewage spills in several parts of the city but also c...

Journal: :Neotropical entomology 2009
Juliana Simião-Ferreira Paulo DeMarco Gustavo R Mazão Adriana R Carvalho

In this study we determined the taxonomic diversity of larval Chironomidae upstream and downstream to discharges of the sewage treatment plant (STP) from Agro-industrial District of Anápolis, State of Goiás, Brazil. Additionally, we evaluated the use of the lognormal distribution as a measure of biotic integrity of this system. The Chironomidae communities were sampled in three sites, upstream ...

2005
CAROLYN E. SMITH RICHARD W. JACKSON

Manual of Recommended Water Sanitation Practice. Public Health Rpts., 58: 69. CALDWELL, E. L., AND PARR, L. W. 1933 Pump infections under normal conditions in controlled experimental fields. J. Am. Water Works Assoc. 25: 1107-1117. CALVERT, C. K. 1937 The streptococci test for pollution of water. J. Am. Water Works Assoc. 29i 683. CLEMESHA, W. W. 1912 The Bacteriology of Surface Waters in the T...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید