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Study finds toxic mercury is accumulating in the Arctic tundra
toxic mercury accumulating the Arctic tundra
2017/7/24
Vast amounts of toxic mercury are accumulating in the Arctic tundra, threatening the health and well-being of people, wildlife and waterways, according to a UMass Lowell scientist investigating the so...
昆明理工大学理学院环境科学与工程学院环境毒理学课件Chapter 2 The Toxic Effects of Environmental Chemicals and the Controlling Factors
昆明理工大学理学院环境科学与工程学院 环境毒理学 课件 Chapter 2 The Toxic Effects of Environmental Chemicals and the Controlling Factors
2017/4/17
昆明理工大学理学院环境科学与工程学院环境毒理学课件Chapter 2 The Toxic Effects of Environmental Chemicals and the Controlling Factors.
Accumulation of Heavy Metals in Freshwater Fish-An Assessment of Toxic Interactions with Calcium
Heavy Metals Freshwater Fish-An
2016/5/27
The present investigation deals with the interaction between accumulation of waterborne lead, cadmium and chromium with different calcium concentration (1.0, 2.0, 3.0 and 4.0 mM L-1) in Cirrhina mriga...
GIS-Based Toxic-Gas-Vessel Leakage, Dispersion and Simulations
Decision Support Systems Modeling Simulation Toxic-Gas Dispersion
2015/12/17
People have been becoming serious of more and more accidents of toxic-gas-vessel leakage and dispersion (TLD) recently. This paper describes a TLD model derived from Gaussian instantaneous leakage mod...
“This is the most robust study showing there is a difference between high-fructose corn syrup and table sugar at human-relevant doses,” says biology professor Wayne Potts, senior author of a new study...
Researchers Grow Carbon Nanofibers Using Ambient Air, Without Toxic Ammonia
Researchers Grow Carbon Nanofibers Ambient Air, Without Toxic Ammonia
2014/3/28
Researchers from North Carolina State University have demonstrated that vertically aligned carbon nanofibers (VACNFs) can be manufactured using ambient air, making the manufacturing process safer and ...
Evaluation of essential and toxic elements concentrations in different parts of buckwheat
Fagopyrum tataricum (L.) Gaertn F. esculentum Moench ICP-OES essential element toxic element chemometrics
2014/2/24
The elements concentrations in different parts of buckwheat and the commercial products of it were analysed by experimental and chemometric approaches. The results indicated that the essential and tox...
Toxic Effects of Nano-CuO, Micro-CuO and Cu2+ on Chlorella sp.
Nano-CuO Chlorella sp Toxic effects Photosynthesis Oxidant stress
2013/3/9
The 96 h acute toxic effects of nano-CuO (N-CuO), micro-CuO (M-CuO) and 2+ on Chlorella sp. were investigated in this paper. The results showed that toxicities decreased in an order of Cu2+＞N-CuO＞M-Cu...
Sorption of Pb(II), Cd(II), and Ni(II) Toxic Metal Ions by Alginate-Bentonite
Toxic metals Alginate Bentonite Wastewater
2013/3/9
The sorption of Pb(II), Cd(II), and Ni(II) toxic metal ions from aqueous solution by composite alginate-bentonite and alginate was investigated. The affinity and sorption capacity of the toxic metal i...
Development of High Efficient and Low Toxic Oil Spill Dispersants based on Sorbitol Derivants Nonionic Surfactants and Glycolipid Biosurfactants
Oil spill dispersant Formula uniform design Baffled Flask Test Effectiveness Toxicity
2013/3/9
Dispersants, usually blending with several surfactants and a solvent, are used to enhance oil spill dispersion as small droplets in water column. Although there is growing acceptance of dispersants as...
The Levels of Toxic Air Pollutants in Kitchens with Traditional Stoves in Rural Sierra Leone
Indoor Air Biomass-Fuel Polycyclic Aromatic Hydrocarbons Suspended Particulate Matter Carbon Monoxide
2013/3/12
Wood and charcoal fuels, widely used in Sierra Leone for cooking, may impact indoor air quality. Until now, there is presently lack of data to quantify the extent of impact. In this study, concentrati...
Determination of Fat Contents, Iodine Values, Trace and Toxic Metals in Commonly Consumed Frozen Fish in Nigeria
Contents Iodine Values Trace Toxic Metals
2016/6/1
In Nigeria, frozen fishes are extensively consumed. But there is paucity of knowledge about the essential nutrients and contamination status of the fishes. In this study, fat contents, iodine values, ...
Nanofiltration Technology for Toxic or Harmful Ions Removal from Groundwater: Characteristics and Economic Analysis
Nanofiltration Economic Analysis Toxic or Harmful Ions Groundwater
2013/3/11
Nanofiltration (NF) membrane can efficiently remove the ions from groundwater, especially for high valence ions. Results show that the removal rate of fluoride was approximately 67% by the NF system, ...
Modelling the Biomass Growth and Enzyme Secretion by the White Rot Fungus Phanerochaete Chrysosporium in Presence of A Toxic Pollutant
Toxic Pollutant Phanerochaete Chrysosporium DR-80 Dye Decolourization Stochastic Model Lignin Peroxidase
2013/3/11
The white rot fungus Phanerochaete chrysosporium is well known for its ability to degrade toxic pollutants owing to its efficient extracellular ligninase system. However, biomass growth and enzyme sec...
Toxic Cyanobacteria in Four Brazilian Water Supply Reservoirs
Cyanotoxins Cylindrospermopsis Microcystins Microcystis Public Water Supply
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...