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In view of different volatile substance in beer, PEG column and FID （hydrogen flame ionization detector） were selected in the measurement. Besides, quantitation analysis of involatile compositions in beer could be done by internal standard method or by external standard method.

针对啤酒酒中不同的挥发性物质可选择PEG柱和氢火焰离子化检测器法进行检测；还可用内标法和外标法对啤酒中的不挥发组分进行定量检测分析。

With the development of new techniques and methods, carbon and hydrogen isotopic compositions of individual compounds become a more and more important field in organic geochemistry.

随着新技术、新方法的发展，生物标志化合物的单体碳、氢同位素组成研究正在成为有机地球化学领域的一个重要发展方向。

The determining method of nitrogen isotopic compositions for the granites collected from the northeastern part of China is studied.

通过对中国东北地区花岗岩类样品的分段加热，探讨了岩石中氮气同位素组成的测定方法，并测定了释放出的N含量及δN值。

Jasminum nudiflorum Lindl.1. The fatty acid compositions in Jasminum nudiflorum Lindl.

采用乙醚提取迎春花脂肪酸，再经过甲酯化后，通过气相色谱/质谱联用技术分析脂肪酸的组成。

These compositions deposit sunless tanning actives on keratinous surfaces as well as provide improved skin moisturization, appearance, aesthetics and skin feel during and/or after application.

在涂敷期间和/或涂敷后，这些组合物可将免晒美黑活性物质沉积在角质表面上，并且提供改善的皮肤保湿效果、外观效果、美化效果和皮肤感觉。

The chemical compositions and pulping properties of Larix kaempferi in different tree ages were investigated.

对不同树龄日本落叶松的化学组成和硫酸盐法制浆特性进行研究与比较。

To someone of Emerson's generation, European thought and writing was almost all there was; Puritan sermons, Benjamin Franklin's blithe compositions, the Founding Fathers' chiselled eloquence, Washington Irving's sketches, and James Fenimore Cooper's Leatherstocking Tales—all were easily overlookable by a serious American aspirant to high thought and poetry in the early nineteenth century.

对于一个爱默生的同代人，欧洲思想和文学几乎无处不在；新教伦理、本杰明·富兰克林的幽默小品文、国父们的精辟雄辩、华盛顿·埃尔文的见闻录和詹姆斯·费尼莫·库珀的皮袜子故事集——在十九世纪早期，所有的这些都很容易被一个认真追求高尚思想和诗歌的美国抱负所忽视。

The lherzolite, wehrlite and pyroxenolite are three main kinds of xenoliths in Yitong upper mantle shear belt, Northeastern China. Spinels in the xenoliths are characterized by aluminumenriched in compositions.

伊通上地幔剪切带中辉石岩、二辉橄榄岩和易剥橄榄岩是3个主要地幔捕虏体，其中尖晶石的化学成分以富铝为特征。

All these variations of mica compositions are consistent with magmatic evolution of the pluton.

云母成分的这些变化特征与岩体的演化趋势相一致。

The hydrogen and oxygen compositions suggest that the ore fluid is a mixture of magmatic water and meteoric water.

氢_氧同位素显示成矿流体为岩浆水和大气降水的混合物。

Analog output can display output results.

可以模拟输出显示输出效果。

It implied that RAPD technique pro vided a new alternative for checking irradiation induced effects.

对扩增产物进行数据分析，结果表明RAPD技术能够检测出辐射后唐菖蒲基因组变异情况，可用于对唐菖蒲辐射后基因变异的分析。