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The optical rotation and viscosity measurements of human serum albumin in water, urea and chloroethanol were compared.

比較了人血清白蛋白在水、脲和氯乙醇溶液中的旋光和粘度行为。

In addition to chloramphenicol, there are dozens of drugs can lead to aplastic anemia, which mainly mercaptopurine, phenyl amino-nitrogen mustard, vincristine, busulfan, medical arsenic trioxide, colchicine, the card Bima yl, chlorine, sulfur C urea, trimethadione and so on.

除了氯霉素，还有数十种药物可以导致再障，其中主要有巯嘌呤、苯丙氨基氮芥、长春新碱、白消安、医用砷剂、秋水仙碱、卡比马唑、氯磺丙脲、三甲双酮等。

But in the timber industry of our country, most of adhesives are Urea formaldehyde resin adhesive, phenol-formaldehyde resin adhesive and melamine formaldehyde resin adhesive which used formaldehyde as raw material.

在我国木材工业中，木材胶黏剂主要是以甲醛为原料的脲醛树脂胶黏剂、酚醛树脂胶黏剂和三聚氰胺-甲醛树脂胶黏剂。

The good method to analyze the structural changes of reaction process of melamine modified UF resin by the traditional process alkali-acid-alkali is 13C-NMR. It can also extrapolate potential reaction.

通过13C-NMR可以很好地解析采用传统工艺合成三聚氰胺改性脲醛树脂反应过程中的结构变化，并可推测其发生的反应。

The micrographs of various layers of nickel sulphur coatings were investigated by SEM.

在含有柠檬酸、硫脲和少许糖精的Watt镀液中，用电沉积的方法在镍泡沫基体上制备了镍硫合金涂层。

In this dissertation, the efforts were focused on design and synthesis of new types of chiral and achiral azoamide hosts,bowl-shaped steroid cholic acid methyl esters with one chiral arm under microwave irradiation and heteroaromatic molecular tweezers under microwave irradiation in solid state and their molecular recognition as well as enantioselective recognition.

本文致力于新型手性不对称脲、胆甾和芳杂环类分子钳受体的设计合成及其对阴离子、中性分子和手性分子的识别及对映选择性识别性能研究，取得了一系列具有重要学术意义与应用前景的创新性结果。

Perliminary bioactive tests showed that most compounds exhibited moderate fungicidal and insect flight inhibitory activity. Benzoylthiourea compounds showed quickly inhibit activity to armyworm.

生测结果表明，所合成的化合物具有一定的昆虫飞行抑制能力和较好的杀菌活性，部分含氟的苯甲酰硫脲化合物具有速杀的杀虫活性。

Response of soil microbial characteristic to vegetation restoration: alk.

4土壤生物学性质对植被恢复过程的响应：碱性磷酸酶、蔗糖酶和脲酶活性总体上随植被恢复年限增加而呈增加趋势；植被恢复75 a白桦林地的各种酶活性均较低。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。