这一级别的水分含量是远远超过了真菌腐朽所需的条件。
This level of moisture content is well in excess of that necessary to support fungal decay.
提出用大口径毛细管顶空进样气相色谱法对聚氯乙烯树脂中十亿分之一级残留氯乙烯含量的测量方法。
The test method for determining residual vinyl chloride monomer content in parts per billion level in PVC resin by capillary column gas chromatography headspace technique is suggested.
茶树根系中贮藏物质淀粉含量减少，如一级侧根中的淀粉平均降低了32 .2 %。
The starch content in first lateral roots of tea tree was reduced by 32.2% on the average during the period of shading.
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