碱的

Orthogonality L9(34) methods on the basis of the concentrations of caladium alkali was used to optimize the preparation technology. The final technology was determined as follow:12 times water soaking herbs, volatility oil distilled by vapor 2h, decoction 2 times every 1.5h and 85% alcohol forming granules.

经正交实验四因素三水平L9(34)方法，以西贝碱的含量为检测结果，优选了最佳的提取工艺，确定了用12倍量水浸泡4h，以水蒸汽蒸馏法收集挥发油2h，煎煮1.5h，干膏用85%乙醇制粒的科学工艺。

ObjectiveTo study the effects of azone on the percutaneous of berberine hydrochloride in vitro so as to provide experimental basis for complex prescription Coptis chinensis plastics to choose absorb promoter and control production quality.

目的研究氮酮对盐酸小檗碱的体外透皮吸收的影响，为黄连复方涂膜剂透膜吸收促进剂的选择和生产质量控制提供依据。

In the second part, the supported mesoporous sieve solid base KNO_3/MCM-48 and KAc/MCM-48 were prepared. And it was the first time that KNO3/MCM-48 and KAc/MCM-48 were used as catalysts for the synthesis of dipropyl carbonate by transesterification of propanol and dimethyl carbonate.

第二部分研究了负载型KNO_3/MCM-48和KAc/MCM-48固体碱的的制备，并首次将这类催化剂应用到丙醇和碳酸二甲酯酯交换法合成碳酸二丙酯的反应中。

In order to optimize the permeation extracting process of Incarvillea sinensis by orthogonal design, the optimum permeation conditions were investigated by orthogonal design and incarvillateine was used as the content index.

以角蒿酯碱的含量为指标，通过L9(34)正交试验设计，对提取工艺的溶媒浓度、溶媒用量和渗滤速度3个因素进行优选研究，以筛选出角蒿的最佳提取工艺条件。

It is characterized by that dissolving the isocyanuric acid in aqueous solution of alkali or emulsion, introducing chlorine gas into solution or emulsion respectively at 5-15 deg.C, then drop-adding liquid bromine, finally introducing chlorine gas to make chlorization reaction, and controlling pH value to 2.5-4 to obtain effective chlorine whose content is 54-58% and effective bromine whose content is 46-49%.

其特征在于：将异氰尿酸溶解于碱的水溶液或者是乳浊液中，然后在5～15℃之间分别向溶液或乳浊液中通入氯气、然后滴加液溴、最后通入氯气进行氯化反应，并把反应的最终pH值控制在2.5～4之间，得到总有效氯为54～58％、有效溴含量为46～49％的产品。

The roles of light, H-donor and base are three major factors in the process of dye regeneration. For the efficiency of dye regeneration, it is critical to control the proportion of acidic leuco dye product.

其中光、H给体和碱的作用是再生循环的三个要素，而控制染料酸式隐色体生成比例是染料再生效率的关键。

It is found that NaOH exhibited significant cocatalytic action on the oxidation of o and p nitrotoluenes and had no cocatalytic action on the oxidation of m nitrotoluene, and the cocatalytic action of alkali NaOH increased as the concentrations of NaOH increased.

发现NaOH对氧气氧化邻、对硝基甲苯有明显的助催化作用，且碱的助催化作用随着NaOH浓度的增加而增加；而对氧气氧化间硝基甲苯则没有助催化作用。

The enhancement of doping Schiff bases fluorescence in the organogel was observed in comparison with that of the corresponding solution.

与相应的溶液相比，观察到在有机凝胶中的荧光增强现象，并且这一增强与席夫碱的结构有密切关系。

Natural marble have lamination to be different with their ventilative, characteristic of ink completely.

天然大理石因其具有纹理各异，透气，透水的特性，使人造地板砖无法替代和比拟，因而倍受推崇，然而这种透气透水的特性，也使天然大理石泛黄，泛碱的通病无法彻底根治。

And its ablative property the improved. The coating produced by F series curing agents has good adhesion with metal, thus the anticorrosive coat can resist high-temperate, acid, alkali.

所制成的涂料在高温下转化为碳基涂层，400℃、1h仍光亮致密，与金属仍有良好的附着力，从而得到耐高温、耐酸、耐碱的防腐涂层。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。