类化

At the same time, some of the pyrolysates are the important favors in cigarette smoke, such as isophorone and megastigmatrienone, etc. The amounts of these pyrolystaes alter with the change of pyrolysis temperatures and the concentration of oxygen. the lutein is applied to cigarettes as flavoring.

分析结果表明，叶黄素的裂解产物主要是甲苯和对-二甲苯等苯及其同系物、1，2–二氢-1，1，6-三甲基-萘和2，7-二甲基萘等萘及其同系物，另外还生成氧化异佛尔酮和巨豆三烯酮等酮类物质和烯烃类物质等，这些物质随着裂解温度和裂解氛围的变化，其种类和峰面积归一化百分含量有所不同。

The effects of reaction time, mole ratio of reactants and amount of catalyst on yield of ketal were investigated by using the [SO3H-bPy] [H2PO4] ionic liquid as catalyst. Results show that the ionic liquid was an efficient catalyst for the ketalization with high conversion and selectivity in mild conditions.

以磺酸基功能化的吡啶磷酸类离子液体[SO3H-bPy][H2PO4]为催化剂，系统考察了反应时间、酮与醇的配比、催化剂的用量及催化剂重复使用、不同阴离子、阳离子等因素对反应的影响，优化了反应条件。

Limonin and nomolin from citrus fruits could be obtained to use No.2 solvent extracting in water bath for 60 minutes at 50℃, and identified and determined by TLC and HPLC effectively. The recovery of two components were 90.4% and 91.1% respectively. The HPLC analysis system included: C18 column (4.3mm ×25cm), the elution with methanol : acet...

柠檬苦素类化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面的明显效应问，越来越受到人们的重视，所以，在功能食品、保健品以及

Small amount of metaphosphoric acid is produced and remained on fiber.

磷酸致孔的机理主要是磷酸珠粒的阻碍造成类石墨微晶片层发展不完善，堆叠时发生扭曲或形成缺陷，磷酸与纤维素分子的酯化对微孔的生成有影响。

From our experimental results, the porous c-Si and porous microcrystalline silicon films have the same luminescence mechanism.

我们对晶体多孔硅和多孔化微晶硅两类样品的比较表明两者的发光机制是一致的。

Biodiesel is a renewable fuel consisting of the alkyl monoesters of fatty acids which are products of the transesterification of vegetable oils or animals fats with a simple monohydric alcohol in the presence of a suitable catalyst.

生物柴油是一种可再生能源，它是由植物油或动物脂肪与短链醇类在适当的催化剂作用下转酯化反应生成的脂肪酸单酯组成的。生物柴油作为一种可替代、无毒、生物降解性好和可再生性燃料，越来越受到人们的重视。

We will see that a left morphic ring has many nice properties if it is simultaneously a reduced ring.

第二部分：主要研究了约化的左morphic环自身以及该环类上的模的性质。

Three groups of patients received different interventions under the prerequisites of routine medications including blood-activating and stasis-eliminating, neurotrophy, and vasodilator patients of nitric ether group received oral administration of isosorbide dinitrate or glycerin trinitrate; patients of calcium antagonist group received oral administration of Sibelium or Novarsc; and patients of no specific medication group did not receive any preventive medicine.

对192例行高压氧治疗的3组患者在常规使用活血化瘀、神经营养、血管扩张剂等药物的前提下，硝酸酯类组口服消心痛或硝酸甘油，钙拮抗剂组口服西比灵或络活喜等，未特殊用药组则没有预防性使用药物。

Albendazole and oxfendazole both inhibited the pathways of anaerobic glycolysis, partial inversed tricarboxylic acid cycle of Taenia Solium oncosphere, immature and mature cysticerci in vitro and immature and mature cysticerci in vivo in certain degree. They enhanced decomposing in fat, amino acid, and xanthine metabolism. On the other hand, absorption of glucose was hindered.

阿苯哒唑和奥芬哒唑对体外培养猪六钩蚴，未成熟期和成熟期猪囊尾蚴，以及体内发育未成熟期和成熟期猪囊尾蚴的糖无氧分解途径，丙酮酸羧化支路与逆向三羧酸循环途径均有一定程度抑制作用，代偿性促进糖异生及蛋白质，脂类和核酸分解途径，葡萄糖吸收受阻。

Growth Plus Rudong light of factory was founded in 1993, specializing in the production of Organotin Series Products and esters.

如东盈丰轻化厂始建于1993年，专业生产有机锡系列产品及酯类。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。