查询词典 amide

However, the ratio of the unsaturated and saturated fatty acid amide is relatively stable in downcore indicating that there is no selectivity between those two types of fatty acid amides during diagenesis processes, including biological, chemical and physical degradation. For this reason, we suggested that the depositional environment in Qarhan paleolake was relatively aerobic during the organic component deposition.

另一方面，不饱和脂肪酸酰胺与饱和脂肪酸酰胺的相对量的比值在剖面上并没有呈现明显下降的趋势，说明各种生物、物理及化学作用对饱和与不饱和脂肪酸酰胺的降解过程不存在明显的选择性，指示了有机质在沉积过程中处于一个偏氧化的环境。

The compositions of fraction Ⅰ and Ⅱ were mainly petroleum acid methyl esters and aliphatic acid methyl esters with amide groups.

脂肪酸以C16和C18为主，单环环烷酸以C(下标 14~18)为主，四环环烷酸以C(下标 18~21)为主。

It has an important role in regulating the cell volumn, cytoplasmic PH and Ca2+ levels through the Na+/H+ and Na/Ca exchangers, respectively, and in driving a variety of secondary transport processes such as Na+-dependent glucose and amide acid transport.

钠钾ATP酶是维持生物体功能的最基本的酶之一，它通过形成细胞内外钠钾离子的浓度递度来维持细胞膜静息电位、渗透压的稳定、营养物质的主动运输与吸收等多种生理功能。

According to previous studies and geographical conditions of the Qaidam Basin, the authors hold that the early diagenesis partly converted the fatty acid amide into the fatty nitrile.

对它们综合研究认为，早期成岩作用使来源于各种生物体的脂肪酸酰胺类分子化石部分地转化为脂肪腈类化合物。

Through a series of tests, it has been approved that ioncation polypropylene acid amide acted as coagulant, coagulant aid and filtrating aid in coagulation, coagulating aid and direct filtration,which it carried positive charge, and the function was much more strong.

本文通过试验研究，肯定了阳离子型聚丙烯酰胺作为凝聚剂、助凝剂、助滤剂在混凝、助凝、直接过滤中的作用。由于其带正电荷，上述作用尤为强烈

Our report is of the first description of the fatty acid amide and fatty nitrile in the paleolake sediments and provides the basis for the nitrogen-containing lipids investigation in lake sediments.

本文首次在古湖相沉积物中报道了系列脂肪酸酰胺分子化石及系列脂肪腈化合物这两类物质，为我们更好地理解含氮类脂物分子化石在湖泊沉积物中的转化过程提供了一定的理论依据。

A series of analogs of fatty acid amide and fatty nitrile have been identified in shell bar section, Qaidam Basin, Tibetan Plateau by using the gas chromatography-mass spectrometry.

中文摘要：利用气相色谱质谱联用仪对青藏高原柴达木盆地察尔汗湖区贝壳堤剖面古湖相沉积物样品进行了系统地分析，检测出系列脂肪酸酰胺与脂肪腈类含氮类脂物分子化石。

A series of analogs of fatty acid amide and fatty nitrile were identified along the shell bar section of the Qaidam Basin in Qinghai-Tibet Plateau by using the gas chromatography-mass spectrometry.

中文摘要：利用气相色谱质谱联用仪对青藏高原柴达木盆地察尔汗湖区贝壳堤剖面古湖相沉积物样品进行了系统地分析，检测出系列脂肪酸酰胺与脂肪腈类含氮类脂物分子化石。

Wereport the synthesis of an alkyl imidazolium salt supported pyrrolidine amide organocatalyst L-1 and its use and recycling in Aldol condensation reaction.

在这里，我们小组报道了用脯氨酸为原料合成了一种双官能团的离子液体接枝的新型有机催化剂并应用于Aldol缩合反应，它和脯氨酸具有相似的催化作用，可以有效地促进反应的进行。

N-Benzylacryl amide was synthesized using acrylonitrile and benzyl alcohol as raw materials and sulfuric acid as catalyst.

以丙烯腈和苯甲醇为原料，浓硫酸作催化剂，合成了N-苄基丙烯酰胺。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。