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搜索结果: 1-11 共查到工学 Water content相关记录11条 . 查询时间(0.089 秒)
This study presents soil-moisture calibrations using low-frequency (15–40 MHz) time domain reflectometry (TDR) probe, referred to as water content reflectometer (WCR), for measuring the volumetric wat...
Biogeochemical processes in plants, such as photosynthesis, evaporation and net primary production, are directly related to foliar water. Therefore, canopy water content is important for the understa...
Biomass is one of the key biophysical variables of interest in vegetation studies and it can be defined in terms of fresh matter weight or dry matter weight. Biogeochemical processes, such as photosy...
Advance Microwave Scanning Radiometer Earth Observing System (AMSR-E) derived Vegetation Water Content (VWC) at predawn (01:30 LST, descending pass) and afternoon (13:30 LST; ascending pass) were us...
In this work, a radiological technique which simultaneously measures soil bulk density and water contents accurately and quickly in a non-destructive manner at different depths of the soil profile of ...
通过对黄土区农草混合利用坡面的土壤水分分析,研究土地利用结构对土壤水分空间变异特性的影响。结果表明,研究区坡面土壤水分呈中等变异,且农草混合利用结构明显增加了土壤水分的空间变异强度,坡面土壤水分具有明显空间结构性。干湿条件下坡面0~60cm土层平均含水率的半方差最优理论模型分别为高斯模型和球状模型,且干旱条件较湿润条件下保持较高的基台值和变程,而块金值/基台值相对较低。Kriging插值结果显示...
Water is associated with natural gas from the reservoir, through production and processing and is a concern in transmission. Also the water content of sour natural gases is an important parameter in t...
Drained and undrained triaxial compression tests were run on undisturbed samples of two unsaturated cohesive soils to study water content changes in drained and undrained conditions along shear planes...
Lipase from Candida antarctica immobilized on a macroporous acrylic resin, Novozym®435, could catalyze the condensation of L-ascorbic acid and medium-chain fatty acids with chain lengths of 6 to 1...
A series of the polyaniline samples in the emeraldine base form was synthesised in various conditions,and was then subjected to the experimental X-ray diffraction measurements and a computer modelling...
Non-destructive monitoring of soil water content (W) and the electrical conductivity of the soil solution (ECw) has been desired for environmental evaluation and sustainable agriculture. Dielectric pr...

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