本文对自由基在吸烟、职业烟尘微粒、金属离子、石英、石棉等理化因素致肺癌中的作用进行简要综述。
The role of free radicals in the lung cancer induced by physical and chemical factors such as smoking, occupational dust particles, metal ions, quartz, asbestos were briefly discussed in this article.
沸石、粘土矿物及石棉都是重要的非金属矿物。
Zeolites, clay minerals, and asbestos are important nonmetallic minerals.
人们在网上讨论过防治这种小偷的最佳方法，包括用废金属做诱饵或用石棉或镜子盖住埋在地下的黄金。
There are online debates about the best way to frustrate such thieves, including using scrap metal as decoys or hiding metal by covering it underground with asbestos or mirrors.
气缸盖用的密封垫是用软金属薄片或金属和石棉组成的薄片制成，留出所有的气缸孔、水道孔、气门孔和气缸盖螺栓孔。
Head gaskets are made of thin sheets of soft metal or of asbestos and metal. All cylinder, water, valve, and head-Bolt openings are cut out.
自由基医学是近年来兴起的一门交叉学科，本文对自由基在吸烟、职业烟尘微粒、金属离子、石英、石棉等理化因素致肺癌过程中的发病机制进行探讨。
This article briefly discussed the role of free radicals in the lung cancer induced by physical and chemical factors such as smoking, occupational dust particles, metal ions, quartz, asbestos.
该品目不包括用金属线和金属网加固的石棉垫圈和石棉连接件，这些可以归到品目6812下。
The heading excludes gaskets and joints of asbestos board reinforced with metal wire or metal gauze, which are instead classifiable in heading 6812.
蓝石棉是碱性角闪石的纤维变种，是一种较为稀见的特种非金属矿产。
Blue asbestos is a fibrous variety (morph) derived from alkali hornblende and is a kind of special non-metallic mineral resources seldom seen.
蓝石棉是碱性角闪石的纤维变种，是一种较为稀见的特种非金属矿产。
Blue asbestos is a fibrous variety (morph) derived from alkali hornblende and is a kind of special non-metallic mineral resources seldom seen.
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