查询词典 visible residue
- 与 visible residue 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The residue obtained by pyrolyzing different time was analyzed by elementary analyzer and particle analyzer; Liquid produced by extracting the residue for 24h with Soxhlet extractor through toluene and carbon bisulfide were also resolved by gas chromatography and mass spectrometry, ultraviolet-visible spectrophotometer and Fourier transform infrared spectrometer.
实验首先对煤进行热解，然后对作用不同时间的煤热解残渣进行元素分析和粒度分布分析，并用有机溶剂甲苯和二硫化碳对热解残渣采用索氏提取器抽提24 h，将所得提取液采用紫外-可见光谱仪、红外光谱仪和气质联用仪等手段进行表征。
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The testing results indicate there is a visible regulating effect in soil temperature with crop residue cover.
试验结果表明，残茬覆盖对土壤温度有明显的调节作用，5、10、15、20 cm各层有覆盖相对于无覆盖分别增温1.5~2.1℃、0.9~1.2℃、0.2~0.9、0.4~0.8℃，随着土壤层的加深，覆盖对土壤温度的调节作用越来越小。4月20日至6月15日前后，随着覆盖量的增加，土壤温度开始升高，但覆盖量增加到一定程度后，土壤温度将下降，在6月20日以后，随着覆盖量的增加，土壤温度逐渐降低，其中30%覆盖相对于无覆盖，降低1.1~1.5℃，50%~80%覆盖降低2~3.6℃，而表土层降低幅度最大，沿深度方向幅度越来越小。
- 推荐网络例句
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It is also known as one of the most poisonous naturally occurring substances.
它也被称为一个最自然发生的有毒物质。
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The greatest stress is found at the location on the cross section where V is the largest.
最大应力出现在横截面上V为最大的地方。
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It is the most important three water problem which our country faces in the 21st century that flood and waterlog, drought and shortage of water, the deterioration of water environment.
洪涝灾害、干旱缺水、水环境恶化是二十一世纪我国面临的三大水问题。