The scattered blue particles are cupric nitrate and zinc nitrate, a byproduct of the chemical reaction.
略带蓝色的部分是硝酸铜和硝酸锌，一种化学反应后的产物。
The thesis introduced the procedure of synthesizing L-aspartic acid zinc complex with the raw material of L-aspartic acid and Zinc nitrate.
以L-天门冬氨基酸和硝酸锌为原料合成L-天门冬氨基酸锌螯合物。
Zinc enrichment also improved melon fruit quality, the content of zinc increased 17.1 % compared to CK, whereas the content of nitrate and nitrite reduced 6.4 % and 10.2 % respectively?
增施锌肥还使甜瓜果实中的锌元素含量提高17.1%，而硝酸盐和亚硝酸盐含量分别降低了6.4%和10.2%，果实品质提高。
Electric heating pipe can be widely used in heating water, oil, air, nitrate solution, acid solution, alkali solution and low melting point metal (aluminum, zinc, tin, Babbitt).
电加热管可广泛应用于加热水、油、空气、硝盐溶液、酸溶液、碱溶液和低溶点金属(铝、锌、锡、巴氏合金)。
Electric heating pipe can be widely used in heating water, oil, air, nitrate solution, acid solution, alkali solution and low melting point metal (aluminum, zinc, tin, Babbitt).
电加热管可广泛应用于加热水、油、空气、硝盐溶液、酸溶液、碱溶液和低溶点金属(铝、锌、锡、巴氏合金)。
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