查询词典 chemical method

We adopt the method that combines physical and chemical ways, so that the moisture content in the recycled triethylamine is less than 0.1％, a quality index satisfied for the request of producing AKD.

采用了物理和化学相结合的方法使回收三乙胺的含水量低于0.1％，满足了AKD生产的要求。

At the same time, people have made progress in measurement method of tritium. It is different in the measurement instrument and the chemical agents and the compositions of the sample.

由于测量的仪器、所用的化学试剂及所测样品的组成各不相同，对某一特定工艺条件下的各种氚样品的测量方法作有针对性的研究，这对分析测定的质量保证仍是十分必要的。

In order to investigate the long-term effect of mulch-drip irrigation on the chemical properties of salt-affected soils by the method of time-space transformation. The characteristics of salinity and salt ions distribution in 0～150 cm soil profile in the fields with corn planted for one year and two years. At the same time, the uncropped saline waste land adjacent to the experimental site was taken as the control.

为了研究长期覆膜滴灌对土壤化学性质的影响，该文通过时空转化的方法研究了覆膜滴灌种植春玉米1a和2a的盐碱地土壤盐分及盐分离子在0～150 cm土壤剖面上的分布特征，同时以试验地附近未种植的盐碱荒地作为对照。

It was proved that the chemical solution coating method is benefit for the uniform distribution of coating constitution.

E DX扫描分析的结果表明用化学溶液涂覆法制备的涂层成分分布均匀。

On the basis of molecular design, urushiol and tyrosine, with unique chemical structure, were selected as units to fabricate five kinds of stable and functional multilayer films via layer-by-layer self-assembly method.

本论文在对自组装膜的发展历史、自组装技术进行综述的基础上，从分子设计的思想出发，选用具有独特结构和性能的功能分子——漆酚和酪氨酸作为组装基元，以层层自组装技术制备了五种新型的，具有高稳定性的功能多层膜。

We are satisfied that thefive main components were pure and plenty enough for NMR study. The structure and configuration of key component of urushiol weresuccessfully determined by using 〓 and 〓 conventioanl method,DEPTtechnique,homo- and heteronuclear chemical shift correlation 2D-NMR,2D-J resolved NMR,heteronuclear relayed coherence transfer 2D-NMR,and relaxation time measurement.The assignment of resonances for 〓and 〓 were confirmed.

对中国生漆含量最大的关键漆酚组分，在〓常规NMR谱和DEPT编辑谱的基础上，采用同核及异核化学位移相关二维谱，同核J分辨谱和异核中继相干传递二维谱等2D—NMR方法，并结合弛豫时间〓测定技术等，完全确定了占中国生漆总量60%左右的有两双键共轭的三烯漆酚的结构与构型。

The generalization of engineering technol ogical language in ancient foundry industry,the standardization of denomination and rele vant terminologies in product design,standardization and method of chemical comp osition determination in cast alloy,and the p...

讨论了中国古代铸造生产中工程技术语言的通用化，产品设计中的有关名词术语及其定名的规范化，合金成分的标准化及其方法，产品参数化设计思想及其方法，致中和的设计思想及其方法。

An integrated fault diagnosis method based on independent component analysisand support vector machinesis proposed to resolve the problems of the difficulty in fault diagnosis for complex operation and multi-loop controls of chemical industry process.

针对由于复杂操作或多回路控制等因素造成复杂化工过程故障诊断难度加剧问题，提出了一种基于独立成分分析和支持向量机的集成故障诊断方法。

The method is taken not pregnant estrum and pregnant 1 D, 2 D, 3 D, 4 D in the morning 4, D afternoon 4, the small rat uterus of D midnight, 5 D, 6 D, 7 D, 8 D makes section, with immune organization chemical coloring and image analyse a technology to be to STAT3 inside uterus of early pregnant small rat velar expression undertakes detecting.

方法取未孕动情期及孕1 d、2 d、3 d、4 d上午4、d下午4、d午夜、5 d、6 d、7 d、8 d的小鼠子宫做切片，用免疫组织化学染色和图像分析技术对STAT3在早孕小鼠子宫内膜的表达进行检测。

The discovered history, physical and chemical properties, toxic mechanism, curing method of vesicant agent were introduced

文章介绍了芥子气、氮芥和路易氏气等糜烂性毒剂的发现历史、理化性质、中毒机理、救治方法

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。