However hydroxyl has no effect on carbon dioxide.
但是，氢氧化物却对二氧化碳毫无影响。
Now that the gas is no longer being produced, scientists can more accurately gauge the action of hydroxyl upon methyl chloroform's atmospheric concentration.
既然再不会生成这种气体，那么，科学家们就能够更精确地测量在甲醇氯仿物的空气聚合反应中生成的氢化物水平。
Water containing no ions other than hydrogen, oxygen and hydroxyl ions. Usually produced through the use of ion exchange resins and used for the final rinse in pre-treatment processes.
除氢、氧、氢氧根离子而不含其它离子的水，一般是用离子交换树脂生产，用于前处理工艺的最后一道水洗。
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