nitrogen free filter paper 无氟滤纸
nitrogen-free filter paper 无氮滤纸
nitrogen free extract 无氮抽提物 ; [化工] 无氮浸出物 ; 氮浸出物 ; 出物
nitrogen free extractNFE 无氮浸出物
nitrogen-free agar 无氮培养基
nitrogen free diet 无氮日粮
NFE nitrogen free extract 无氮浸出物
nitrogen-free diet 无氮日粮
Oxygen free nitrogen pressure testing is now widely recommended.
现在广泛使用的是无氧氮气压力检测。
The nitrogen Deoxo Vessel contains a fixed bed of free copper catalyst which removes oxygen from the nitrogen stream by oxidation of copper to copper oxides.
氮气脱氧罐中装有一个游离铜催化剂的固定床,通过将铜氧化成氧化铜把氧气从氮气中脱除。
Seventy percent of our carbon-free, sulfur-free, nitrogen-free, mercury-free electricity comes from nuclear plants.
我们所有不排放二氧化碳,不排放硫化物,不排放氮,不排放铅的电力,其中有百分之是七十来自核能发电。
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