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A quantitative analytical method for 4.5% beta-cypermethrin EC by GC was introduced, Dicyclohexyl-o-phthalate was selected as the internal standard.
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摘要本文介绍了以邻苯二甲酸二环已脂为内标物，对4.5%高效氯氰菊脂乳油进行有效成份测定的气相色谱分析法。 |
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A quantitative analytical method of 5% diethylmethylbenzamide in drive-worms floral-water by GC was introduced, Dibutyl Phthalate was selected as internal standard.
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摘要本文介绍了以邻苯二甲酸二丁脂为内标物，对5%避蚊胺驱虫花露水进行有效成份测定的气相色谱分析法。 |
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A quantitative appraisal of the prospect of uranium mineralization is completed based on a set of hydrochemical data acquired from the known in-situ leachable sandstone-type uranium, including radon content, acid-alkali ratio, oxidized and reduced electro
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但是在找铀过程中仅用水化学成份、氡含量、酸碱度和氧化还原电位等数值进行描述，说明它们与铀矿化的关系，这种单一因素的描述不能综合反映与铀矿化的联系程度，以定量评价铀矿化与上述因素的关系，从而影响了水化学找矿的效果。 |
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A quantitative relationship between the separation factor and the bonded-phase molecular topological index for fullerenes is established.
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建立了富烯勒的分离因子与键合相分子拓扑指数间的定量关系。 |
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A quantitative structure-property relationship (QSPR) model based on artificial neural networks was established to predict the flash points of fatty alcohols.
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摘要建立了一个基于人工神经网络方法的定量结构－性质相关性(QSPR)研究模型，用于预测脂肪醉闪点。 |
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A quantity assumed to have a fixed value in a specified mathematical context.
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恒量在一个具体数学问题里被假设具有固定值的一个量 |
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A quantity of unknown numerical value.
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未知数数值不明的一个数量 |
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A quantity that has a limit or boundary.
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一种有极限或界限的量值。 |
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A quantum number, either+1(even) or-1(odd), that mathematically describes this property.
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量子数的均衡从数学含义来描述对称性的量子数＋1（偶）或－1（奇） |
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A quantum operator algebraic theory is proposed first to suit the character of the hydrogen atom.
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首次建立适合氢原子特性的量子算符代数理论。 |
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A quantum theory of gravity is a holy grail for a certain breed of physicist because all physics except for gravity is well described by quantum laws.
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对于钻研某些研究的物理学家而言，量子重力论是最后的圣杯，因为除了重力之外，其它的物理都可以用量子定律来描述。 |
