1. Introduced lubricating grease main classification used lubricating grease several conditions and the rational use of lubricating grease should be noted. 主要介绍了润滑脂的分类,选用润滑脂的几个条件及合理使用润滑脂应注意的问题。
2. The harmful substance for health includes fatal substance, substance that can arise hypersusceptibility, environmental hormone and futures. 纺织品上对人体有害的物质主要为致癌物质、过敏物质、环境荷尔蒙和其它有害物质四大类。
3. The substance was extracted by hot distilled water to obtain a water-soluble substance (WSS) and a water-insoluble substance (WIS). 白色云状物经热水浸提、离心后,得到水溶性物质(WSS)和水不溶性物质(WIS)。
4. The harmful substance for health includes fatal substance, substance that can arise hypersusceptibility, environmental hormone and futures. 纺织品上对人体有害的物质主要为致癌物质、过敏物质、环境荷尔蒙和其它有害物质四大类。
5. The substance was extracted by hot distilled water to obtain a water-soluble substance (WSS) and a water-insoluble substance (WIS). 白色云状物经热水浸提、离心后,得到水溶性物质(WSS)和水不溶性物质(WIS)。