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chloral hydrate suppository preparation method is simple, accurate and reliable method of quality control.

水合氯醛栓剂制备方法简单，质量控制方法准确可靠。

OBJECTIVE To study the stability of Chloramphenicol eye drop and improve its formulation and preparation.

目的 研究氯霉素滴眼液的稳定性，改进其处方工艺。

The improved formulation and preparation can significantly improve stability and quality of Chloramphenicol eye drop.

改进后的处方工艺可显著增强氯霉素滴眼液的稳定性，并提高制剂质量。

The effect of acetic acid and its consumption, chloranil and its consumption on the preparation of TAMD by means of dioxygen liquid-phase oxidation of TMAL was probed into, and the results showed that both of them had great influence on the yield of TAMD.

探讨了冰乙酸及其用量、四氯苯醌及其用量对氧气液相催化氧化孔雀绿隐色体制取孔雀绿醇色体的影响，发现二者对醇色体的收率和纯度均有很大影响。

And solicitation reagent in the preparation of 2,4- dichlorofluorobenzene from 2-Chloro-1-fluoro-4-nitrobenzene via reactive distilled chlorate were investigated.

和引发剂等因素对反应速度及产率的影响。

An improved method of preparation of acetylsalicylyl chloride was also described in this paper.

文中还对乙酰水杨酰氯的制备方法作了改进，收率为75.6％。

First, the preparation of l,2-dichloro-4-nitrobenzene, which l-chloro-4-nitrobenzene reacted with chlorine in a self-designed chlorinator, in presence of Lewis acid catalyst,.was investigated. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the yield of l,2-diehloro-4-nitrobenzene was 83.26%.

为此，本文首先在自行设计的塔式氯化器中，以对硝基氯苯为原料，路易氏酸作催化剂，分子氯氯化合成3，4-二氯硝基苯(合成3-氯-4-氟-硝基苯的原料)，根据该氯化过程特征，利用正交试验设计方法结合单因素实验考察了有关因素对氯化过程的影响，优化得到了最佳的氯化工艺条件，3，4—二氯硝基苯的收率可达83.26％。

In this study, preparation of chitosan molecular imprinted resins were studied, and a simple method with a nozzle was developed, in which molecularly imprinted chitosan resin was made for hemoglobin as"print"molecule and chlorohydrin was used as crosslinker.

采用滴加成球法制备出球形壳聚糖介质，研究了三聚磷酸钠溶液浓度及空气流速对成球的影响，得到其最佳条件为：三聚磷酸钠溶液浓度3％；空气流量为1.8m〓／min，线速度为23.81m／h。

The extraction and the stability of chlorophyll of leaves of Indocalamus latifolius and the preparation of sodium-zinc chlorophyllin were studied using orthogonal experimental designs.

通过正交实验对箬竹叶中叶绿素的提取工艺、叶绿素的稳定性以及叶绿素锌钠的制备工艺进行了研究。

Preparation of sodium zinc chlorophyllin from Chinese fir leaves and its stability

以四种竹叶作为原料制备叶绿素锌钠盐，并对其产量进行比较。

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％。