机理

In the experiments, it was found that the momentum coupling coefficient of multi-pulse propulsion was lower than that of the single pulse case for the air-breathing mode.

研究了大气模式激光推进中多脉冲推进的冲量耦合系数低于单脉冲推进的冲量耦合系数的机理。

A new microelectroforming technique using assisting low air-pressure alternately and temperature-gradient surroundings in the bath was introduced.

开发了一种新的电铸技术：辅助交变低气压-温度梯度微细电铸技术，并介绍了该技术的基础理论，分析了其作用机理，研制了实施该技术的专用装置，进行了微细电铸试验。

Objective: By observing and probing into the etiology、pathogenesis、prevention and cure medicine of children"s bronchial asthma in catabasis in clinic and experiments,we try to find medication of children"s bronchial asthma in catabasis and probe into the prevention and cure elements on air-way inflammation in catabasis.

目的：本文旨在从临床及实验方面对儿童哮喘缓解期的病因病机和防治方药进行系统观察与探讨，寻求儿童哮喘缓解期的防治药物，探讨中药对哮喘缓解期气道炎性损伤的防治机理。

Objective:By observing and probing into the etiology、pathogenesis、prevention and cure medicine of children's bronchial asthma in catabasis in theories、clinic and experiments,we try to find new medicine of children's bronchial asthma in catabasis and probe into the prevention and cure elements on air-way inflammation in catabasis.

目的：本文旨在从理论、临床及实验方面对儿童哮喘缓解期的病因病机和防治方药进行系统观察与探讨，寻求儿童哮喘缓解期的防治新药，探讨中药对哮喘缓解期气道炎性损伤的防治机理。

They also act to reduce inflammation of the airways.

他们的作用机理也是减轻气道的炎症反应。

Based on the mechanism, the thesis investigated the reaction balance of ALA in aqueous solution first.

根据这一机理，首先对其在水溶液中的稳定性进行了研究。

These results indicated that there might exist some differences in the toxicity mechanisms of Ala and Alb

本实验结果显示两种形态的铝对植物的致毒机理可能存在一定差异。

Snowball texture ; albite granite ; formation mechanism ; growth rate ; controlled factor

雪球结构；钠长石花岗岩；形成机理；控制因素

The degrading mechanism of polyester was studied, and practicable process of PET degradation is found to be alcoholysis.

探讨了聚酯废料的解聚机理，确定其合理解聚方法为醇解。

This review mainly summarized the reaction mechanism and the method of methyl oxided into aldehyde group.

这一部分主要对甲基氧化生成醛基的反应机理、方法及化合物的用途进行综述。

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％。