calcium cloud

基本解释

• [天文学]钙云

英汉例句

双语例句

• What's unusual about LS IV-14 116 is the high concentration of metals heavier than calcium in those cloud layers.
  关于LS IV-14 116的特殊之处还在于它的大气圈中高度聚集着比钙更重的金属元素。
• The polyoxyethylene alkyl phenyl ether obtained by calcium oxide catalyst had perfect quality with narrow molecular weight distribution, high cloud point, good appearance and low by - product PEG.
  乙氧基化制得的烷基酚聚氧乙烯醚产品分子量分布窄，浊度高，外观色泽好，副产物聚乙二醇（PEG）低。

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专业释义

天文学

• 钙云