查询词典 chemical method

Chemical method that is used chlorine sodium thiosulfate, the proportion of water per 10 kg plus 1 gram of sodium thiosulfate, stirring dissolved, you can use.

化学法即用硫代硫酸钠除氯，其比例为每10公斤水加1克硫代硫酸钠，搅拌溶解后，即可使用。

Adopt the chemical method,carry on the saponification to the lignin sulfonic acid calcium,and compound with the surface-active agent.

采用化学处理方法，对木钙进行改性，对松香进行皂化，并与表面活性剂进行复合。

Nano-sized silver sodium niobate tantalate was studied in this paper using wet-chemical method.

对液相法合成钽铌酸银钠的纳米粉体进行了研究。

The nano-Co particles were prepared by chemical method from zinc dust and cobalt chloride.

以锌粉和氯化钻为原料，采用化学法制备纳米Co粒子。

Secondly, as to the improvement of cycle life of mercury-free RAM, Calcium zincate, barium zincate and strontium zincate samples were synthesized by a chemical method and used as negative electrode additives in mercury-free RAM for the first time.

其次，在改进无汞可充碱锰电池循环寿命方面，采用化学方法合成了锌酸钙、锌酸钡和锌酸锶样品，首次将其用于无汞可充碱锰电池的负极添加剂。

The chemical method include treating with sulfuric acid,saponification,acylation, esterification, etc.

化学方法包括酸洗法、皂化法、酰化法和酯化法等。

With the pHysical and chemical method this paper studies the bleach technology of the Waste edible oil from catering trade, has respectively discussed the bleachmechanism of the Waste edible oil with three bleach reagents of different types--active bleaching earth, Diaobaikuai and peroxide. On the base of discussing the influencing factor of bleachability, reaches three bleaching technology conditions. After comparing the bleach effect between the unitary bleach reagent and the match bleach reagent ,selects the best bleach reagent and its bleach technology condition.

采用物理和化学的方法研究餐饮业废油脂的脱色工艺，分别探讨了不同类型的脱色剂——活性白土、雕白块和双氧水对废油脂脱色的机理；在讨论了影响脱色率因素的基础上，研究出三者脱色的工艺条件；并对比了单一脱色剂脱色效果以及脱色剂复配的脱色效果；筛选出最佳的脱色剂及其脱色工艺条件。

The active compound Celangulin-V, which is the main active compound against insect pest from Celastrus angulatus Max, was modified at its 6-OH and the core structure β-dihydroagarofuran polyol of Celangulins from the basic hydrolysis of the extract of the root bark of Celastrus angulatus Max was modified by combinatorial chemical method.

主要结果如下： 1、合成了苦皮藤素V6-乙酯、6-烯丙基醚和6-酮等衍生物，通过NMR方法鉴定了化合物的结构，经文献检索均为新化合物，生测结果表明酮衍生物丧失了杀虫活性，乙酯衍生物与苦皮藤素V活性相当，醚衍生物较苦皮藤素V活性提高11倍。

The result makes clear, with anhydrous chloridize zinc, sulfur acting acetyl amine is raw material, it is OK to use chemical method the ZnS Na Mijing that preparation bead diameter controls in 10 Nm, earning sample is α- construction of mine of ZnS fine zinc, 6 brilliant are, form appearance is globose or close globose.

结果表明，以无水氯化锌、硫代乙酰胺为原料，采用声化学法可以制备粒径在10 nm左右的ZnS纳米晶，所得样品为α-ZnS纤锌矿结构，六方晶系，形貌为球形或近球形。

The itaconic acid carboxylated ACM prepared by γ-ray irradiation has higher gel fraction and better cure characteristics as well as mechanical properties than that prepared by chemical method.

对于以衣康酸为交联单体的ACM，辐射法制备的橡胶比化学法制备的橡胶拥有更好的硫化特性、更高的凝胶含量和更优异的机械性能。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。