医药

With the development of life science and biological engineering, chiral separation and recognition have been payed close attention universally ,which have important significance in organic chemis- try, life science and medicinal chemistry.

随着生命科学和生物工程的发展，手性拆分和手性识别引起了人们的普遍关注，研究对映体拆分与识别对有机化学、生命科学和医药工业均具有十分重要的意义。

Chiral recognition has attracted more and more attention in the pharmaceutical, medical, and biological fields.

近年来，手性识别在医药及生物领域受到了越来越多的关注。

Sodium hypochlorite, familiar as household bleach, is also used to bleach paper pulp and textile s, to chlorinate water, and in some medicines.

以作为家用漂白剂而为人熟知的次氯酸钠，也可用于漂白纸浆和纺织物，用于水的氯气处理，和某些医药用途。

Sodium hypochlorite, familiar as household bleach, is also used to bleach paper pulp and textiles, to chlorinate water, and in some medicines.

以作为家用漂白剂而为人熟知的次氯酸钠，也可用于漂白纸浆和纺织物，用于水的氯气处理，和某些医药用途。

Methyl chloroacetate is used widely as a industrial material,for example as a middle material in pesticide and medicine making.

氯乙酸甲酯是一种应用广泛的化工原料，多用于医药、农药生产的中间体，本试验对其进行了卫生毒理学评价。

In this paper, the applications of the environmental friendly solid acid catalysts for esterification were studied and the activities of these catalysts were discussed, by which the solid acid ferric sulfate x-hydrate was used first as catalyst in the synthesis of dimethyl fumarate and ethyl chloroacetate and solid super acid SO42-/Fe2O3 was used first as catalyst in the synthesis of ethyl p-nitrobenzoate.

本文研究了对环境友好的固体酸催化剂在酯化反应中的应用，首次以固体酸Fe_2(SO_4)_3·xH_2O为催化剂合成了新型防霉剂富马酸二甲酯和化工原料氯乙酸乙酯，以固体超强酸5O_4~(2-)／Fe_2O_3为催化剂合成了医药中间体对硝基苯甲酸乙酯，并探讨了这些催化剂的催化活性。

A series of novel polyethylene glycol derivatives was synthesized by esterification of chloroacetic acid with polyethylene glycol.

介绍了一氯乙酸在农药、医药、日用化工及有机工业中的应用，评述了一氯乙酸的工业生产现状。

The company has import and export autonomy, the company produced cinnamic series products: cinnamic acid, cinnamaldehyde, cinnamyl alcohol, vitamin E, vitamin B1 and the company operated chemical biology, pharmaceutical intermediates and other products sold throughout the country and exported to Europe, America and Southeast Asia more than 20 countries and regions, well received by customers.

公司拥有进出口自主权，公司生产的肉桂系列产品：肉桂酸、肉桂醛、肉桂醇、维生素E、维生素B1及公司经营的生物化工、医药中间体等产品畅销全国各地并出口到欧美及东南亚20多个国家和地区，深受客户好评。

Factory production workshop area of 12,000 square meters area: 5000 square meters, with plant extracts two production lines, cinnamic acid series production lines, pharmaceutical intermediates production line 1, and product analysis supporting system such as HPLC.

公司厂房面积 12000平方米生产车间面积：5000平方米，拥有植物提取物生产线 2条，肉桂酸系列生产线，医药中间体生产线1 条，及与生产产品配套的检测分析系统 HPLC 等。

Cinnamomum CaphoraPrest is of high economic value and is used widely.

樟树用途广，经济价值高，其主、副产品广泛应用于建筑、工艺、化工、军工、医药等方面。

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。