查询词典 precipitation

Similarly the CO2 was partially lost from the fluid phase by precipitation of late diagenetic calcite.

同样地，部分 CO 2因成岩晚期方解石的沉淀而不再以流体相存在。

This experiment adopted organic solvent extraction step by step,following deproteinization,dialyzation,alcohol-precipitation and layer-separation of dextran,to reveal the unknown effective ingredients in pumpkin,which have influence to blood sugar in normal mice or model mice of diabetes mellitus.

为探寻南瓜中对正常及糖尿病模型小鼠血糖有影响的未知有效成分，本实验依次采用有机溶剂分步萃取、除蛋白、透析、乙醇沉淀及葡聚糖柱层析等分离手段，以小白鼠血糖值作为筛选活性成分的指标，在分离的每一阶段对分离所得各个组分进行活性定量评估，并追踪活性最强的部分，最后分离纯化出降血糖活性最强的组分G———南瓜多糖。

Nepalensis wall polysaccharide was prepared with hot water extraction,ethanol precipitation,dialyzation,and lyophilization.the crude polysaccharide was separated by deae-cellulose chromatography and purified by sephadex g-200 chromatography.the inhibit effect of the polysaccharide on lipid peroxidation of mice liver was conducted by tba method.the model of liver-injury induced by carbon tetrachloride（ccl4was used to validate the variety of the realated ast.results onefold ingredient polysaccharide was obtained after isolated and purified.conclusion the ingredient can remarkably inhibit lipid peroxidation of rat liver and significantly reduce activity of ast.

用热水提取，乙醇沉淀提取粗多糖，再经sevag法去除蛋白，透析去除小分子物质，冷冻干燥得楮头红多糖粗品；采用deae-52纤维素柱层析和sephadex g-200凝胶柱层析进行分离纯化；用tba法考察多糖的抗脂质过氧化作用；采用ccl4急性肝损伤模型，测定其血清中ast变化。结论获得一个楮头红多糖组分。tba法表明该组分对小鼠自发性脂质过氧化具有显著的抑制作用；在保肝试验中，给药组能明显抑制ast的升高，对肝损伤有一定的保护作用。

Through the study on the crystallization process of aqueous solution of amino acids,dicarboxylic acids and complexes by streaming potential method,that will helps to further study on the crystallization or the precipitation process of amino acid complexes and the electrical characteristics on the solid-liquid interface.

通过流动电位法对水溶液体系中氨基酸、二元羧酸和配合物结晶过程的研究，有助于进一步研究氨基酸配合物结晶和沉淀过程相界面的动电现象。

Diosmin Lang licensing xenon lamps, each set have been matched, the aging brand, optometry, with light, precipitation, six testing procedures.

奥司朗牌氙气灯，每一套都经过匹配、老化、打火、验光、配光、沉淀，六道检测程序。

A new method for determination of Pd using precipitation separation by butanedione dioxime as a selective reagent and complexometic titration EDTA released from EDTA-Pd complex was established.

建立了丁二肟选择性沉淀分离和析出EDTA-Pd络合物中的EDTA，Pb(NO3)2返滴定测定Pd的新方法，系统地研究了在硝酸或盐酸介质中测定Pd的条件，并对比了本法与《国家标准》分析方法的结果。

Our country's deserts mainly lie in arid and semiarid areas, mostly with scarce precipitation and lack of water resource, neither natural vegetation with relatively strong drought-resistance capability nor plantation, like diversifolious poplar, dryland willow, shrubby sand willow, saxoul and Hedysarum mongolicum Turcz,etc., can be protected effectively, this leads to desertification area expansion and frequent sand storm, which seriously affect people's work and life.

我国沙漠多处于干旱和半干旱地区，绝大部分地区降水稀少，水资源缺乏，无论是具有较强抗旱能力的天然植被，还是人造林如胡杨、旱柳，灌木类沙柳、梭梭、杨柴等都得不到有效保护，导致沙化面积扩大，沙尘暴发生频繁，给人民群众的生产生活带来严重影响。

In this droughty country,only few coastal part of the country have enough rainfall precipitation to make citizen live.

這是個以干旱為主的國家，只有少部份沿海區域有充足的雨量，可以維持大量人口的生存。

Electrostriction and electrocoagulation promote condensation,rapid precipitation and dewatering so as to avoid using costly macromolecular electrolyte and chemicals.

电压缩和电絮凝促进凝结、快速沉淀及脱水，且不使用昂贵的高分子电解质和化学药品，也不需使用复杂且易于被超细微粒堵塞的过滤系统。

According to the implementation of this technical, we can accumulate some experience of designing the precipitation in the high elevational pit which is buried in shallow groundwater and relatively deep in the soft soil in which water is relatively abundance.

该项技术的实施，为在高海拔地区地下水埋藏浅、基坑相对较深且水量相对丰富的软土地区的构筑物基坑降水积累了一定的经验。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。