lead fume 中文意思是什麼

lead fume 解釋
鉛煙氣
  • lead : n 1 鉛,鉛製品。2 【航海】測鉛,測深錘,水砣。3 〈pl 〉(鋪屋頂的)鉛皮;鉛皮屋頂;【印刷】插鉛,...
  • fume : n 1 〈常 pl 〉煙氣;香氣,臭氣;熏煙;水蒸氣;煙霧。2 激昂,激怒。vt 1 (用煙)熏。2 烘製(木材等...
  1. The pump exhaust should lead to the open air or a fume hood.

    抽氣泵的排氣管應該導向室外空曠處或導向一座通風櫥。
  2. On the base of studying the compatible of chemical admixture and mineral admixture with cement, according to heat of hydration, chemical shrinkage and environment condition in the course of concreting and restrained cracking sensitivity indicates different quantity of mineral admixtures lead to different effect to the stability of concrete, such as 30 % fly ash and 40 % ~ 60 % micro - slag can improve the stability, but silica fume deteriorates the stability

    在研究了化學外加劑、礦物摻合料與水泥兼容匹配關系的基礎上,指出不同礦物摻合料對混凝土的體積穩定性(熱穩定性、化學收縮、干縮、開裂敏感性)的影響不同,粉煤灰摻量達到30 ,礦粉在40 60改善體積穩定性,硅灰惡化了體積穩定性。
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