搜索结果: 46-60 共查到“环境工程学 Water”相关记录92条 . 查询时间(0.281 秒)
A Study on the Microbial Quality of Drinking Water in Rural Areas of Mazandaran Province in North of Iran (2011)
Microbial Quality Drinking Water Rural Water Supply Disinfection
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2013/3/11
Backgrounds: One of the fundamental needs of a community is to have an access to healthy and safe drinking water. The lack of a concentrated accessibility to health facilities and services is among th...
Evaluation of Drinking Water Pollution and Health Effects in Baghdad, Iraq
Drinking Water Water Pollution Water Supply Drinking Water Network Sewerage Network WTP’s Wastewater Iraq Environment and Water-Borne Diseases
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2013/3/11
Contamination of water reserves by biological, chemical, and radiologic agents may affect the health of millions of residents in the Iraq as well as many others throughout the world. Fatal outbreaks o...
Study and Application of a Novel Tap Water Flocculant
Water Treatment Composite Flocculant Flocculant Aluminum Ion
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2013/3/11
By using polyaluminum chloride (PAC), chitosan (CTS) and montmorillonite (MM) as the main raw materials, a novel tap water flocculant had been prepared. The optimal mass proportion of this flocculant ...
Nutrient-Induced Growth of Coliform and HPC Bacteria in Drinking-Water Pipes
Coliform HPC Bacteria Nutrient Drinking-Water Pipes Biofilm Bacterial Growth
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2013/3/11
We conducted a study on a model drinking water distribution system to evaluate the impact of nutrient in the form of sodium acetate on the growth and survival of coliform and heterotrophic plate count...
Can Water Hyacinth Clean Highly Polluted Waters? —A Short Paper for Discussion
Water Hyacinth Lake Eutrophication Lake Dian SW China
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2013/3/11
Recently local government and environmental protection authorities in China have turned to the water hyacinth, one of the world’s worst aquatic weeds, to reduce nutrient concentrations in highly eutro...
News about Tap and Bottled Water: Can This Influence People’s Choices?
Tap Water Bottled Water News Reports Water Protection
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2013/3/11
The pursuit of alternative safe water has increased dramatically the world trade in bottled water. Events happened in Canada which changed the population’s perception about the quality of tap water, d...
Estimation of Phosphorus Bioavailability in the Water Column of the Bronx River, New York
SRP TP OP Native Phosphatases Hydrolysis River Water Quality
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2013/3/11
Phosphorus (P) is a primary limiting nutrient in rivers and streams, and excessive P results in eutrophication of freshwater systems, in turn, excessive algal growth/toxic algal blooms, oxygen depleti...
Review on the Book: Advances in Water Quality Control
Book Review Advances in Water Quality Control
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2013/3/11
Water pollution is a steadily worsening problem because of growth in the chemical, pharmaceutical, leather, textile, and mining industries. In addition, municipal wastewater further contributes to pol...
Does Exposure to Nitrate in Drinking Water Contribute Anything the Effect of Water Chlorination on Children Methemoglobin Levels?
Methemoglobin Drinking Water Nitrate Chlorine Children
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2013/3/11
Previous studies showed contradictory findings regarding the relationship between nitrate in drinking well-water and abnormal methemoglobin (MetHb) level (>2%) among children. We studied the effect of...
Toxic Cyanobacteria in Four Brazilian Water Supply Reservoirs
Cyanotoxins Cylindrospermopsis Microcystins Microcystis Public Water Supply
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2013/3/11
Cyanobacterial blooms have become a worldwide concern due to the production of toxins harmful to humans and animals. In Brazil and worldwide, microcystins are the most frequently found cyanotoxin in w...
Water Quality Assessment of the Owena Multi-Purpose Dam, Ondo State, Southwestern Nigeria
Water Physicochemical Characteristics Microbiology Heavy Metals Owena Multi-Purpose Dam
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2013/3/11
Composite water samples taken from Owena Multi-purpose Dam in six sampling campaigns covering the wet and dry seasons were analyzed for physico-chemical and microbial characteristics using standard me...
Lead Remediation of Contaminated Water by Charcoal, LA Red Clay, Spinach, and Mustard Green
Remediation Heavy Metal Lead Water Contamination Spinach Contaminated Water
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2013/3/13
Lead is a toxic and naturally occurring substance with documented neurotoxin, toxic, and long-lasting adverse health effects globally. Lead exposure can cause impaired physical and mental development ...
Assessment of Natural Uranium in the Ground Water around Jaduguda Uranium Mining Complex, India
Natural Uranium Ingestion Dose Radiological Risk
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2013/3/12
Ground water ecosystem surrounding the uranium processing facility at Jaduguda, India has been studied for natural uranium distribution. Annual intake of uranium through drinking water for members of ...
Henry’s Equilibrium Partitioning between Ground Water and Soil Air: Predictions versus Observations
Henry Law Coefficient Equilibrium Partitioning Ground Water Soil Air Toluene Algorithm
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2013/3/12
Humans spend 64% - 94% of their time indoors; therefore, indoor air quality is very important for potential exposure to volatile organic compounds (VOC). The source of VOC in the subsurface may come f...
Fluorine in Water and Dental Fluorosis in a Community of Queretaro State Mexico
Fuorosis DEAN Index Groundwater La Llave Quer閠aro Mexico
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2013/3/12
The community La Llave, Queretaro State, Mexico, has not been identified by the sanitary authorities as living in a hazard area related to dental fluorosis. However; a high concentration of fluoride i...