铜基一氧化碳低温变换催化剂是合成氨、制氢装置最关键的经济型催化剂.
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A new method on synthesizing ammonia, heat equilibrium low temperature plasma method, is introduced.
介绍了一种新的合成氨方法热平衡低温等离子体法.
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The majority of northern China has been experiencing low temperatures and strong winds.
中国北方大部自上周以来一直受到低温天气和大风的影响.
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雨季常有低温现象和洪涝灾害,影响农作物的生长和收割.
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The deposit is a medium-low temperature altered cataclastic rock type Au deposit.
金矿床属中低温热液构造蚀变岩型金矿.
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