特色库 >>> 东北亚特色库 抗战特色库 水利学特色库 近现代报人特色库 广播电视报特色库 学者文库数据库
搜索结果: 46-60 共查到特色库 quality相关记录88条 . 查询时间(0.243 秒)
A water quality index (WQI) is a single value indicator of the water quality determined through sum-marizing multiple parameters of water test results into simple terms for management and decission ma...
This paper describes the utility of fuzzy Simulink model to assess the groundwater quality levels in Tiruchirappalli city, S. India. Water quality management is an important issue in the modern times....
The use of pelletized poultry litter (PPL) as a substitute for inorganic fertilizers is increasingly being en-couraged in states like Delaware which have a considerable surplus of poultry litter. Howe...
Water samples from streams, hand-dug wells and boreholes in high background radiation areas in Abeokuta, Nigeria have been collected in order to determine the activity concentrations of 40K, 226Ra and...
Development perturbations may affect the regular phenotype and are commonly measured through fluctuat-ing asymmetry (FA) levels. Short-term climatic variations, that modify the temperature, can influe...
A Geographical Information System (GIS) tool was used to construct thematic maps for groundwater quality in the Gaza Strip. Environmental data were integrated and an overall picture about the spatial ...
A three year study was conducted in two floodplain lakes to evaluate changes between seasonal variation of water quality parameter and finfish diversity indices. Samples of water and fish specimens we...
The quality evaluation of urban lake landscape (QEULL) is extremely important for the healthy development of lake landscape. In this research, the evaluation model was established with the group decis...
Aiming at the unsafe of water quality which is the core problem in rural drinking water safety, the study col-lected 221 water samples of rural drinking water sources in Ya'an and detected the concent...
Multivariate statistical techniques, including cluster analysis (CA), principal component analysis (PCA), factor analysis (FA) and discriminant analysis (DA), were used to evaluate temporal and spatia...
The Education Program f or Improved Water Quality i n Copano Bay is funded through a Clean Water Act §31 9 (h) Nonpoint Source Grant from the Texas State Soil and Water Conservation Board (TS...
Over the last five years, the Paso del Norte Watershed Council’s Coordinated Water Resources Database and GIS Project (Project) was developed to provide improved access to regional water resources dat...
The Seymour Aquifer is a shallow aquifer underlying over 300,000 acres in 20 counties in northwest central Texas. High nitrate concentrations are widespread in the Seymour Aquifer. Median nitrate leve...
Pigeon Point hosts a large group of springs and seeps along Sheyenne River, where the river cuts deeply though underflow sedim ents deposited in glacial Lake Agassiz. The north-facing slope and abund...
In order to identify potential salinity sources, it was necessary to locate and characterize the potential impact of perennial and intermittent tributaries into the Pecos River. A study to determine w...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...