石棉的

There, some 10,000 workers turn out more than 500,000 tonnes of chrysotile asbestos each year.

近万名工人每年生产50万余吨的蛇纹石石棉。

Mesothelioma development in rats has been demonstrated following intra-pleural inoculation of phosphorylated chrysotile fibres.

间皮瘤发展的影响已被证明下列内部胸腔接种磷酸温石棉纤维。

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 cytotoxicity of chrysotile asdestos on pulmonary alveolar macrophages maybe related to the surface free radicals of chrysotile asbedtos.

纤状蛇纹石石棉对肺泡巨噬细胞的毒性可能与其表面活性基团有关。

Asbestos is one of the pollutants regulated under the federal Clean Air Act and the Georgia Air Quality Act.

石棉是联邦清洁空气法和乔治亚州空气质量法进行管理的一种污染物。

There is at pres t uncertainty regarding the hazard to health presented by crocidolite.

目前，青石棉对健康的危害尚不清楚。

The mortality of lung cancer and mesothelioma may significantly increase among r esidents exposed to low concentration of crocidolite.

居民在环境中接触低浓度青石棉可引起恶性肿瘤，尤其是肺癌和间皮瘤死亡率的增高。

Part 1: Make of Induced Rats" MPM ModelObjective To study a convenient, practical MPM model which had a high inductionrate can been used for multiple experimental studies and is similar to human"s MPM induced by crocidolite in Da Yao.

本研究目的在于用大姚产青石棉诱发大鼠MPM，提供一种简便、实用，诱发率高，较接近人体MPM，可供进行多种实验研究所用的动物模型。

It is a new type of excellent automobile friction brake material as a replacement of asbestos friction materials

研究表明：此摩擦材料力学性能高，摩擦性能稳定，特别是高温磨损小，噪声低，是一种取代石棉摩擦材料的新型制动材料。

Asbestos is often used as an insulation against heat and fire.

石棉常被用作隔热和防火的绝缘材料。

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％。