机械稳定性随土壤的层理和土壤结构中各相情况而变化。
The mechnical stability, varies with soil texture and with various phases of soil structure .
应用XRD、DTA-TGA、IR、BET等测试手段对复合膜的物相组成、热稳定性、孔结构进行表征。
The phase constitution, thermal stability, and the pore structure were characterized by means of XRD, DTA-TGA, IR, BET etc.
本文论述了内相结构对乳化柴油的稳定性和燃烧性能的影响。
The effects of internal phase construction on the stability and combustion characteristics of emulsified diesel oil were discussed in this paper.
通过XRD、TEM、FTIR、TG-DTA等多种表征手段分别对有机阴离子柱撑水滑石的晶相结构及其影响因素、晶体形貌、红外性能、热稳定性进行了研究。
The crystal structure and outward appearance, IR property and thermal stability of the organic-anion-pillared hydrotalcites have been studied by XRD, TEM, FTIR and TG-DTA.
用DSC、FTIR、气相色谱-质谱联用以及TGA分别对产物的熔点、结构、纯度和热稳定性进行了表征。
The melting point, structure, purity and thermal degradation behavior of the product were investigated by DSC, FTIR, GC-MS and TGA .
结果表明：氧空位的存在与变化不仅影响着氧化锆相结构的稳定性，而且影响着氧化锆的低温相变过程。
It is found that the increase of oxygen vacancy content can increase the instability of the metastable tetragonal phase and accelerate the transformation to monoclinic zirconia.
PZT体系的相组成、微观结构、机电性能、温度稳定性的影响。
The effects of NiW contents on the crystallographic phase, microstructure, electromechanical properties and temperature stability of PMS-PNW-PZT materials were studied.
对三相电压型PWM整流器采用电流变结构控制进行了研究，分析了PWM整流器的数学模型，详细设计了电流变结构控制器，并对其稳定性进行了分析。
Three phase voltage PWM rectifier based on current variable-structure control is studied and mathematic mode of PWM rectifier is analyzed in this paper.
对三相电压型PWM整流器采用电流变结构控制进行了研究，分析了PWM整流器的数学模型，详细设计了电流变结构控制器，并对其稳定性进行了分析。
Three phase voltage PWM rectifier based on current variable-structure control is studied and mathematic mode of PWM rectifier is analyzed in this paper.
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