水溶液

DS and distribution of DS were improved. The optimized technology was gotten as follows: sodium borate was 8wt%,alkalization temperature 20 alkalization time 90min.The heat-resistance of CMC was also enhanced by adding sodium silicate in alkalization, and adding sodium borate in etherization in the synthesis of CMC. ra was decreased, but the viscosity was significant increased.

综合考 虑对水溶液粘度和取代度及其分布的影响，得到优化了的工艺配方：硅酸钠的加入量浙江人学硕士学位论文为纤维素的10叭%左右，碱化温度为20℃，碱化时间为90min，采用两次加碱法工艺(Zmol%和1 。1 smol%)，醚化阶段加6wt%的四硼酸钠。

On the base of molecular structure design, the mechanism and technique of the synthesis of 2-(acryloyloxy ethyl trimethyl-ammonium chloride/2-acrylamido-2methylpropane sulfonic acid/acrylamide (AETMAC/AMPS/AM) amphoteric terpolymers by radical co-polymerization in aqueous solution was studied systematically.

依据分子结构设计理论，将2—丙烯酰氧乙基—三甲基氯化铵/2—丙烯酰胺基—2—甲基丙烷磺酸/丙烯酰胺(AETMAC/AMPS/AM)三种单体进行水溶液自由基共聚，合成了AP系列两性离子聚合物。

It is slightly soluble in ethyl ether, petroleum ether, benzene and chloroform.

在空气中易潮解，微溶于乙醚、石油醚、苯、氯仿，其水溶液碱性。

This pigment was extracted with 1%NaOH, then was extracted for 3 times with petroleum ether and ethyl acetate.

结果表明，板栗壳色素易溶于碱性水溶液，不溶或难溶于非极性溶剂。

Methods:A YWG-C18 column was used.The mobile phase consist ed of acetonitrile containing 0.2% methanol-water solution containing 0.1% tri ethylamine and 0.1% phosphoric acid(3∶97)and the detection wavelength was 220 nm.

采用高效液相色谱法，色谱柱为YWG-C18柱，流动相为0.2%甲醇的乙腈溶液-含0.1%三乙胺、0.1%磷酸的水溶液(3∶97)，检测波长为220 nm。

Synthesis of ethylene carbonate from ethylene oxide aqueous solution and carbon dioxide with NY-2 catalyst was studied.

采用自行开发的NY-2催化剂，研究了环氧乙烷水溶液和CO2制备碳酸乙烯酯的反应性能。

Ethylenediamine and phosphate of ammonia were found to be optimal additives.

SO_2和NO_x 在尿素水溶液中的吸收分别为伴有快速化学反应和伴有慢速化学反应的吸收，其吸收速率分别由气膜和气膜和液膜共同控制。

Mannitol, a typical pharmaceutical excipient, was selected as the solute in aqueous solution.

甘露醇，一种典型的配药赋形剂，在水溶液被选择了作为溶质。

Methods: Determining paeoniflorin content by high performance liquid chromatography measurement conditions: mobile phase of acetonitrile -0.4% phosphoric acid solution (volume ratio 13∶87; detection wavelength 230 nm; flow rate 1.0 mL/min; and column temperature 25℃; and determining polysaccharide content by anthrone-sulfuric acid method. The extraction procedure of Langchuangling granule was measured, and the evaluated indexes were the rate of dry extra, contents of the paeoniflorin and the total polysaccharide with L9 (34) orthogonal test and preferential treatment of data.

采用高效液相色谱（high performance liquid chromatography，HPLC）法测定芍药苷含量［测定条件：流动相为乙腈-0.4%的磷酸水溶液（体积比为13∶87）；检测波长230 nm；流速1.0 mL/min；柱温25℃］；采用硫酸-蒽酮法测定总多糖含量，并以干浸膏得率、总多糖含量和芍药苷含量为指标，采用L9（34）正交实验，用综合评分法处理数据优选水提取工艺。

In conclusion, transport and metabolism of ferrocyanide in plants is most likely to happen and phytoremediation of this iron cyanide complex in field application may be possible.

因此认为：依据亚铁氰化物在水溶液→植物→空气系统内的迁移和转化，亚铁氰化物的植物修复是可能的。

This paper demonstrated the impact on the environment today, an important factor is Education.

本文主要展示了当今影响环境的一个重要因素——教育。

Article 16 The power to interpret these Procedures shall remain with the Ministry of Agriculture and CAA.

第十六条本程序由农业部、国家认证认可监督管理委员会负责解释。