It is an organic substance and is a petrified rosin of ancient trees related to rosin.
一种有机物质。它是一种含一些有关松脂的古代树木的石化松脂。
This test is usually used for determining the content of inorganic impurities in an organic substance.
该检验通常用用检测一个有机物质中的无机杂质的含量。
However, the Karelian Birch egg was the only one to use an organic substance (wood) as a primary construction element.
卡累利阿桦木蛋是唯一一个使用有机物质(木材)作为主要元素。
The invention discloses a method for preparing an organic substance, in particular to a method for preparing methyl phenyl cyclosiloxane for LED packaging.
本发明公开了一种有机物的制备方法，具体是指一种LED封装用甲基苯基含氢硅油的制备方法。
For black soil with high content of organic matter, organic cementing substance is an important factor in forming soil aggregates.
对于有机质含量高的黑土，有机胶结物质是形成土壤团聚体的主要因素。
The organic matter, enclosed in carbonate minerals, is an important hydrocarbon producing substance in carbonate source rocks.
矿物结合有机质可作为碳酸盐岩生油岩的一种重要生烃物质。
The coking wastewater is an organic one with high concentration of NH3-N and organic substance which are difficult to be degenerated.
焦化废水是一种氨氮和有机物浓度较高的、难降解的有机废水。
The layer including a luminescent substance has a composite material which includes an organic compound, and an inorganic compound showing an electron donating property to the organic compound.
包含发光物质的层含有包含有机化合物和对所述有机化合物显示给电子性能的无机化合物的复合材料。
The layer including a luminescent substance has a composite material which includes an organic compound, and an inorganic compound showing an electron donating property to the organic compound.
包含发光物质的层含有包含有机化合物和对所述有机化合物显示给电子性能的无机化合物的复合材料。
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