搜索结果: 1-15 共查到“工学 Freshwater”相关记录16条 . 查询时间(0.078 秒)
A federally funded research effort to revolutionize water treatment has yielded an off-grid technology that uses energy from sunlight alone to turn salt water into fresh drinking water. The desalinati...
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...
New study reveals mechanism regulating methane emissions in freshwater wetlands
mechanism regulating methane emissions freshwater wetlands
2015/7/13
Though they occupy a small fraction of the Earth's surface, freshwater wetlands are the largest natural source of methane going into the atmosphere. New research from the University of Georgia i...
APPLICATION OF PHOTOGRAMMETRY IN FRESHWATER ECOLOGYANALYSING THE MORPHOLOGYOF A HOGH ALPINE FLOOD PLAIN
Digital elevation model Orthophoto Infrared Ecosystems Running water Flood-plain Alpine.
2015/2/5
The shape and structure of river channels (channel morphology) are important features of freshwater habitats. However,
determination of parameters characterizing the morphology of rivers and flood-pl...
Evaluating the Effectiveness of Road Passage Structures for Freshwater Turtles in Massachusetts
Road Ecology Road Mitigation Systems Road Passage Structures Freshwater Turtles Painted turtles
2014/12/11
Roads are long linear features on the landscape that impact wildlife and their habitats. Among all forms of wildlife turtles are one of the most negatively affected by roads. Wildlife biologists and c...
Growth of Atlantic Salmon (Salmo salar) in Freshwater
Atlantic salmon Bayesian Statistics Growth Hierarchical models
2014/12/9
Growth plays a key role in regulating ecological and population dynamics. Life history characteristics such as age at maturity, fecundity and age and size at migration are tightly linked to growth rat...
Experimental Study on Diflubenzuron: Degradation in Freshwater and Bioconcentration in Mosquitofish Following Chronic Exposure
Diflubenzuron Dimilin Gambusia Affinis Residues HPLC Degradation Bioconcentration
2013/3/9
Diflubenzuron (DFB, trade name dimilin 25 WP) is a chitin synthesis inhibitor widely used against forest insect pests in Algeria. Prior to implementation of these products as chemical agents for mosqu...
Prokaryotic Horizontal Gene Transfer in Freshwater Lakes: Implications of Dynamic Biogeochemical Zonation
Gene Transfer Freshwater Water Quality Prokaryotic Biogeochemistry
2013/3/12
The highly adaptive nature of prokaryotic communities in the face of changing environmental conditions reflects in part their ability to share advantageous genetic information through horizontal gene ...
Perfluorinated Compounds in Human Blood, Water, Edible Freshwater Fish, and Seafood in China: Daily Intake and Regional Differences in Human Exposures
perfl uorinat ed compou nds human blood tap wate freshw aterfish seaf ood regiona l di ff er ence human exposure
2013/12/12
De spite the growing publi c interes t in perfluorinat ed compou nds (PFCs ), very few studies have re ported the sourc esand pathways of human exposure to thes e compou nds in China . In this stu dy,...
Surface Freshwater Flux Estimation Using TRMM Measurements Over the Tropical Oceans
Evaporation Precipitation Freshwater Flux Tropical Oceans Oceanic Circulation
2013/2/26
The exchange of surface freshwater, heat and moisture fluxes across the air-sea interface strongly influences the oceanic circulation and its variability at all time scales. The goal of this paper is ...
Microbiological Changes in Freshwater Prawn (Macrobrachium vollenhovenii, Herklots 1857) Stored in Ice
Microbiological Changes Freshwater Prawn
2016/5/31
This study aimed to isolate and characterize spoilage causing organisms of Macrobrachium vollenhovenii as well as determine the shelf-life under ice storage. Fresh prawns and those exposed to two ice ...
The relationship between near-surface turbulence and gas transfer velocity in freshwater systems and its implications for floating chamber measurements of gas exchange
The relationship near-surface turbulence gas transfer velocity freshwater systems floating chamber measurements of gas exchange
2014/4/17
We performed a series of gas exchange measurements in 12 diverse aquatic systems to develop the direct relationship between near-surface turbulence and gas transfer velocity. The relationship was log-...
Impacts of gold nanoparticle exposure on two freshwater species: a phytoplanktonic alga（Scenedesmus subspicatus）and a benthic bivalve（Corbicula fluminea）
gold nanoparticles Corbicula fluminea Scenedesmus subspicatus
2009/7/28
For years, nanotechnologies have developed the
use of common materials, such as iron or silica,
at an extremely small scale because of their
new properties (reactivity, conductivity, optical
sensi...
Accumulation of Heavy Metals in Freshwater Fish-An Assessment of Toxic Interactions with Calcium
Lead cadmium chromium calcium Cirrhina mrigala
2008/10/26
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...
Occurrence of squalene and cholesterol in various species of Czech freshwater fish
squalene cholesterol fat shark liver olive oil amaranth, anti-tumour effects antioxidant freshwater fish unsaponifiable matter GC
2014/3/4
The triterpenoid hydrocarbon squalene, C30H50, abundantly occurring in nature, is known as a substance with a high anti-tumour activity proven by a number of research studies. A high content of squale...