研究了破乳剂分子结构变化对原油脱盐效率以及油-水界面张力的影响。
The effect of molecular structure of the demulsifiers on its desalting ability as well as on the interfacial tension of crude oil-water interface was discussed.
同时，拉曼光谱分析显示古代皮肤与现代皮肤的光谱非常类似，这表明木乃伊皮肤的分子结构基本没有发生变化。
Also, the Raman spectroscopy analysis showed that the ancient and recent skin spectra were very similar, indicating that the molecular structure of the mummy s skin was largely unchanged.
选用纤维强度有显著差异的不同类型陆地棉品种，采用X -射线衍射技术，研究了开花期对棉花纤维超分子结构动态变化的影响。
By using techniques of X-ray diffraction, effects of anthesis date on the dynamic change of cotton fiber super-molecular structure and strength were studied.
光致极性和分子结构的变化使偶氮衍生物作为可逆的分子开关器件得以普遍应用。
The photoinduced changes in polarity and molecular structure have led to widespread application of azobenzene derivatives as reversible molecular switch devices.
化学变化是改变分子结构、化学变化是改变分子结构、形成新物质的一种变化。
A chemical change is one in which the structure of particles is changed and a new substance is formed.
从煤分子结构出发，煤的反应性可以用芳香环，氢化芳香环，烷烃链、烷烃键和含氧官能团的变化来描述。
From molecule structure of coal, coal reaction character was described by aromatic ring, hydrogenation aromatic ring, alkane, alkane bond, oxy-group.
实验得出，羊毛溶解后得到的角朊膜在分子结构上变化不大，但其无序结构明显， 大分子构象形式发生了变化。
The results indicate that the arrangement of the keratin large molecules in keratin films are constant, but its form has been changed.
在理化性质测定方面，将葛根素分子结构中的4’-酚羟基进行酰化后其理化性质发生了一定的变化。
When we acylated the 4'-phenolic hydroxyl group in the molecular structure of puerarin, the derivatives'physico-chemical properties had some changes.
这些化合物的介电各向异性与它们的具体分子结构有关，一般在60到70之间变化。
The dielectric anisotropy of these compounds varies from 60 to 70, depending on the detailed molecular structures.
在对水中生物分子研究的技术方法中，测量生物分子振动光谱是研究分子结构及其变化的重要手段之一。
Measuring the molecule's vibration spectrum is one of the most important means that study on molecule structures, interaction and reaction.
用于滤袋的PPS空气变形丝，其性能和纱线结构形态的变化主要依赖于高分子结构、聚集态结构和加工过程中条件的控制。
The PPS air textured yarn with filter bag, yarn structure, performance and morphological changes depends on the polymer structure, aggregate structure and control of processing conditions.
为了考察水经磁场作用后分子结构的改变及其生物功能，将三蒸水在不同磁场强度下进行磁化，通过电导率的变化来表征水分子结构的改变，并分析了其作用机理。
In order to investigate the change of water molecular structure and its biological function in the magnetic field, the threefold-distilled water was magnetized under different magnetic intensities.
为了考察水经磁场作用后分子结构的改变及其生物功能，将三蒸水在不同磁场强度下进行磁化，通过电导率的变化来表征水分子结构的改变，并分析了其作用机理。
In order to investigate the change of water molecular structure and its biological function in the magnetic field, the threefold-distilled water was magnetized under different magnetic intensities.
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