机理

By instance analysis the efficiency and believability of this m echanism are explained, and the reliability of this advanced monitoring system is verified.

通过实例分析说明了该机理的有效性和可信度，同时本系统的先进性和可靠性也得到了验证。

Based on the analyses of the chemical and the physical characteristics of hydrogen peroxide, the effect mechanism of H2O2 additive on diesel combustion was put forward and proved by the heat release rate of the single-cylinder engine test. The experimental results on 135 diesel engine bench show that H2O2 additive is effective to improve diesel combustion, and the specific fuel consumption, particulate matter and NO are decreased obviously.

对过氧化氢的化学及物理特性进行了分析，建立了过氧化氢组液影响内燃机燃烧过程的机理模型，并且通过放热规律进行了试验验证。135单缸机的试验结果表明，过氧化氢组液的效果相当显著，可以同时降低油耗以及碳烟和NO的排放。

In this paper, benzaldehyde and its derivatives were prepared by electrosynthetic method with on-line ultrasound; meanwhile the course and the mechanisms were studied.

本论文采用在线超声电合成的方法制备苯甲醛及其衍生物，并对其过程和机理进行研究。

Chapter 5: The thermochromism of condensations of aromatic amine with benzaldehyde derivatives were studied.

第五章：研究了苯甲醛缩芳胺类希夫碱衍生物的热致变色性质，探讨了这类化合物的变色机理。

Moreover, based on the detection of intermediate species, the mechanism of benzene photolysis was discussed.

还分析了苯降解产生的中间产物，探讨了苯的降解机理。

The mechanism of thermal decomposition of erbium benzoate was studied by using TG,DTA and IR.

用TG、DTA、IR研究了它的热分解机理。

The influence of polar modifier and column temperature on enantioseparation of benzoin on Chiralcel OD-RH systematically was also studied in the thesis.

另外，安息香对映体在Chiralcel OD-RH柱上的色谱拆分保留机理，特别是极性有机溶剂及柱温度对安息香拆分的影响也是本论文的研究内容。

Based on analyzing the generation mechanism and quality characteristics of reclaimed acid from benzol refining and comparing varies kinds of purification methods, the operation easily, the technical process simple extraction method is used to purify the reclaimed acid and the dosage of the extraction agent and extraction power are studied in detail.

对精苯再生酸的生成机理、质量特性进行了分析，通过比较各种再生酸净化方法的优缺点，选用操作简便、工艺简单的再生酸净化方法——萃取法对再生酸进行处理试验，并对萃取剂的用量、萃取能力等进行了详细的研究。

Diphenylacetylene and benzophenone have good radiation protection effects due to their special radiation protection mechanism.

二苯乙炔和二苯甲酮由于其独特的辐射保护机理而具有很好的辐射保护效果。

The degradation mechanism of benzoyl peroxide was studied at different temperatures and pH values with spectrophotometry.

用分光光度法研究了过氧化苯甲酰在不同温度和不同pH值条件下的降解机理。

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％。