retention是什么意思

网络释义

用法例句

Numeric study on single rectangular fiber interception efficiency;

单一矩形纤维截留效率的数值研究

New Model of Forest Canopy Interception to Rainfall on Watershed Stored-full Runoff Theory;

基于流域蓄满产流理论的林冠截留降雨新模型

An experiment and model construction of rainfall interception by Picea koraiensis.;

云杉截留降雨实验与模型

Control of runoff and retention of diffuse P-pollutants by sink landscape structures of agricultural watershed;

农业流域“汇”型景观结构对径流调控及磷污染物截留作用的研究

Retention of allochthonous nutrients by ecotones or Baiyangdian Lake;

白洋淀水陆交错带对陆源营养物质的截留作用初步研究

Study on Retention and Purification Effect of N and P in Pond Wetlands;

水塘湿地截留和净化农业面源污染物特性研究

The rejection behavior of dyeing wastewater against polymide/ polysulfone nanofiltration hollow fiber composite membrane is experimentally investigated.

结果表明,纳滤膜对染料有很好的截留率,其截留过程中筛分效应和荷电效应起主导作用;废水中染料浓度和无机盐浓度对纳滤膜截留性能有显著的影响;0。

The results indicated that when filtrating solutions with hardness of 300 mg·L-1(calculated as CaCO3),the NF90 membrane was suitable for water softening as it had high flux and Ca2+ rejections.

L-1(以CaCO3计)的硬水时,NF90膜有较高的通量和Ca2+截留率,适用于水质软化过程。

The rejection behavior of dyestuff solution against cellulose acetate nanofiltration membrane was experimentally investigated.

考察了醋酸纤维素纳滤膜对染料溶液的分离性能,纳滤膜对染料溶液有很好的分离效果,其分离过程中筛分起主导作用;试验不同孔径的醋酸纤维素纳滤膜对萘系衍生物,以及不同材料的纳滤膜对相同分子量有机物的截留效果,其分离性能是由有机物性质和范德华引力共同作用的;分析磺化聚醚砜膜对有机物的截留和染料与膜材料界面力数据,结果表明纳滤膜分离性能是由膜、溶液和溶质三者共同决定的。

The retention rate of 1.

0g/L的Na2SO4截留率可达92。

The effects of operation pressure,temperature,volume and initial concentration of fermentation broth on the membrane velocity and the retention rates of protein and L-calcium lactate were investigated,and the optimal processing conditions were determined.

采用超滤技术从L-乳酸发酵液中分离去除蛋白,研究了超滤过程中的操作压力、操作温度、超滤液的体积和料液初始浓度等主要因素,对膜通量和发酵液中蛋白质及乳酸钙2种主要组分截留率的影响;并确立了采用聚砜膜去除乳酸中蛋白工艺的最佳参数,在此条件下,蛋白质去除率达到91。

The results showed that the retention rate of chitosan membranes increased by 83.

采用凝固浴凝胶工艺处理聚氨基葡糖超滤膜,实验结果表明,经凝固浴处理后,聚氨基葡糖超滤膜对酸性红B溶液的截留率提高了83。

DMAc was selected as solvent and Polyvinylpyrrolidone (PVP K90) was selected as pore forming additive, the influence of Polyvinylpyrrolidone concentration on the shrinkage ratio, the pure water flux, the retention to BSA and the membrane structure of Poly(vinylidene fluoride)/polyethersulfone Blend Membranes were investigated.

采用二甲基乙酰胺为溶剂,聚乙烯吡咯烷酮(PVPK90)为致孔性添加剂,研究了PVP的浓度对聚偏氟乙烯/聚醚砜(PVDF/PES)共混膜的收缩率、纯水通量、牛血清蛋白(BSA)截留率和膜结构的影响。

With dimethylacetamide as solvent and poly(vinylpyrrolidone) as pore forming additive,the effect of PES mass fraction on shrinkage ratio,pure water flux,retention to BSA and membrane structure of PVDF/PES blend membrane was studied.

用与聚醚砜共混的方法来改善聚偏氟乙烯膜的抗收缩性能,以二甲基乙酰胺作溶剂,聚乙烯吡咯烷酮为添加剂,研究了聚醚砜(PES)质量分数对聚偏氟乙烯/聚醚砜共混膜的收缩率、水通量、截留率及形态结构的影响。

In addition with blending PVC,the composite membrane forming speed and microporous structure,pure water flux and retention experiment of egg albumin solution of PU/PVC/SiO2 membrane were improved significantly.

结果显示:SiO2的加入,可改善PU杂化膜的微孔结构并优化膜的性能,在该体系中加入PVC和PU共混,可以提高成膜速度及微孔结构,水通量和截留率得到了明显的提高。

initial-abstraction retention

(降水的) 初始截留

storm overflow well, intercepting well

暴雨溢流井（截留井）

Study on Intercepting Rate of Pollutants of Combined Intercepting Sewer during Rainfall

降雨时截流式合流管的污染物截留率的取值

testing methods for determining bacterial retention of membrane filters

精细过滤网细菌截留性能试验方法

No organization or individual shall intervene , embezzle and divert.

任何组织和个人不得干涉、截留、挪用。

Investigation of the Magnesium Ion Retention Mechanism of γ-Al_2O_3 Mesoporous Membrane;

γ-Al_2O_3纳米孔膜截留镁离子机理的研究

Study on Dynamic Process of the Canopy Interception of North Sub-tropic;

北亚热带次生竹林林冠截留过程研究

Modeling Canopy Rainfall Interception of Dark Coniferous Ecosystem in Gongga Mountain;

贡嘎山暗针叶林林冠截留的Gash模型

Study on Rainfall Interception Capability of Three Turfgrasses in Beijing Region;

北京地区三种草坪草截留特性的研究

Rejection of 17α-Ethynylestradiol(EE2) by NF270 Nanofiltration Membrane

NF270截留17α-乙炔基雌二醇过程

Capability of canopy interception of turfgrass (Zoysia sinica Hance)

草坪型结缕草冠层截留性能试验研究

all penalties collected shall be handed over to the National Treasury, and may not be withheld by any unit or individual.

罚款一律上交国库，任何单位和个人不得截留。

With the car in motion, air was trapped under the hood in the engine compartment.

汽车行驶时，空气被截留在发动机舱盖下。

There is typical power function relation between interception and rainfall.

林冠截留量与林外降雨量呈幂函数关系.

exon trapping method

外显子截留法[用于确定基因组序列中的外显子]

Heavy vegetation may intercept a large amount of precipitation on its leaves.

浓密的植被的叶子中能截留大量的降水。

An Experiment and Model of Interception by Broad_Leaved Tree: a Case Study of Acer mono

阔叶树截留降雨试验与模型——以色木槭为例

Interception and Removal Effection of Agriculture Drainage Ditch on Nitrogen and Phosphorus;

农田排水沟渠对流失氮、磷的截留和去除效应