查询词典 chrysotile

This paper for the first time discusses the relations of the configuration, surface structure and surface properties of chrysotile asbestos with bio_activity based on nanometer-sized material and nanostructure effect.

本文首次从纳米材料与纳米效应角度出发讨论了纤蛇纹石石棉的形态、表面结构、表面性质与生物活性的关系。

The kinetics of chrysotile in hydrochloric acid is studied by building the overall kinetic model for the fibrous particle in liquid-solid reaction.

进而通过建立液－固相反应纤维状颗粒的宏观动力学模型，研究了纤蛇纹石盐酸浸出的动力学过程。

This study experimented on CdS quantum-dots were assembled in the nano-tubes of synthetical chrysotile by ultrasonic chemistry-method .

采用超声化学法在合成纤蛇纹石纳米管内进行了组装CdS量子点的研究。

Results All of 10 kinds of JFM fibers could induce DNA strand breaks,DNA-DNA interstrand crosslink and inhibit the ability of DNA repair,but all of these effects were lower than that of chrysotile and were different among them.

结果 10种JFM纤维都可引起不同程度的DNA链断裂、DNA-DNA链间交联及抑制DNA损伤后的修复功能。综合分析发现：微细玻璃纤维的遗传毒性最强，硅灰石的遗传毒性最低。

Results The cytotoxicity of chrysotile asbestos was in a dose and incubation time dependent manner. After 18 h incubation and at the dose of 250 μg/ml, the cell death rate and LDH content were increased significantly.

结果 纤状蛇纹石石棉对肺泡巨噬细胞的毒性存在着剂量-效应关系、时间-效应关系；125 μg/ml培养18 h后，细胞死亡率及LDH增加，500 μg/ml培养5 h后，细胞死亡率、LDH、MDA均明显增加，而SOD活力明显降低。

The injuries done by chrysotile asbestos fibers to creatures include not only those of general fibers but also those of the amorphous SiO2 phase.

纤蛇纹石石棉纤维对动物的危害，既具有一般纤维的危害性，又具有非晶质SiO2的危害性。

The transcription level of c-Ha-ras oncogene and the content of P21ras in those exposed to chrysotile treated in advance with three kinds of chemicals mentioned above were significantly lower than those in untreated.

在上述3种化合物预处理的温石棉组，HEL细胞 c-Ha-ras癌基因的转录水平及P21ras蛋白含量均明显低于未处理温石棉组。

The influence of different reaction conditions on the synthesis of chrysotile nanotubes was studied by means of infrared spectrometry, scanning electronic microscope and transmission electronic microscopy.

利用红 外吸收光谱、扫描电镜和透射电镜系统地研究了水热反应中，反应温度、Si/Mg比、反应时间等不同反应参数对合成纤蛇纹石纳米管的晶体生长及其结构的影响。

For example, chrysotile fibres have been shown to depress the in vitro proliferation of phytohemagglutinin-stimulated peripheral blood lymphocytes, suppress natural killer cell lysis and significantly reduce lymphokine-activated killer cell viability and recovery.

例如，温石棉纤维已显示出抑制增殖的植物血凝素刺激的外周血淋巴细胞，抑制自然杀伤细胞溶解，并大大减少淋巴因子激活的杀伤细胞的活力和恢复。

Using the natural nano tube chrysotile asbestos as template for assembling semiconductor quantum wires is a promising method.

半导体量子线是一类应用潜力很大的纳米材料，以天然纳米管——纤蛇纹石为模板进行半导体量子线的组装是一种很有前途的方法。

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％。