precursors

New , sterically demanding 1, 3-dialkylimidazolinium salts used as N-heterocyclic carbene precursors were synthesized and characterized.

合成并表征了一种新型的有空间需求的N - 杂环卡宾前驱体1, 3- 二烷基咪唑啉盐.

Application of pattern recognition method Sn the comprehensive analysis of earthquake precursors

应用模式识别方法综合分析多项震兆

The absorption reactions of goethite and its precursors on arsenite were studied.

观察了针铁矿及其前体对溶液中亚砷酸根离子的吸附过程和吸附性能.

Application of Probability Density Function Analysis in the Monitoring of Engine Aerodynamic Instability Precursor

概率密度函数分析监测发动机气动不稳定征兆

The robust regression method and model used in earthquake precursor data processing

地震前兆数据的稳健回归与建模

Aglycone precursors and glycosidases are two important compounds in tea aroma formation.

糖苷类香气前体和糖苷酶是制约香气形成的两个关键因素.

In these respects he may be regarded as one of the precursors of Qing thought.

,我们可以嗅到清代的思想的新气息.

The mediaeval burgesses and the small peasant proprietors were the precursors of the modern bourgeoisie.

中世纪的城关市民等级和小农等级是现代资产阶级的前身.

Error is often the precursor of what is correct.

错误常常是正确的先导.

Experimental Study on Screening of Precursor of Essential Hypertension in Children

儿童原发性高血压先兆筛选的实验研究

Real tennis, an ancient precursor of the modern game, originated in the eleventh century

室内网球，现代网球运动的古老前身，起源于11世纪。

Development of Carbon Matrix Precursors for Carbon/ Carbon Composite Materials

碳/碳复合材料用基体先驱体研究进展

Glycine and succinyl-CoA are precursors of 5-aminolevulinic acid ( ALA ) biosynthesis.

甘氨酸和琥珀酸是红假单胞菌生物转化合成5-氨基乙酰丙酸 ( ALA ) 的前体.

Unmanned monitoring system of dynamic time change of earthquake precursor data in the network

网上前兆数据动态时间变化无人值守警视系统

Progress in the observation and research on earthquake precursor wave

地震前驱波观测与研究进展

The reason-these pathways provide the precursors for the biosynthesis of cell material.

因为这些方式为细胞材料生物合成提供前体.

The meat flavor is the reactionresult of a variety of the aroma precursors.

风味是由多种风味前体物经过一些基本的化学反应形成的.

OBJ file to read three-dimensional model, and converted into cell precursors express.

OBJ文件中读取三维模型, 并转换成单元体表示.

Exogenously supplied aspartate is not an active precursor of asparagine in plant tissues.

外来供给的天门冬氨酸，在植物组织中并不是一个活跃的天门冬酰胺前体。

Small cell lung cancer is neuroendocrine neoplasm and origins from apud ( amine precursor uptake decarboxylation) cell.

小细胞肺癌是神经内分泌肿瘤，起源于apud（胺前体摄取脱羧化）细胞。

Correlation degree and fuzzy cluster analysis on strong earthquake precursors

强震前兆的关联度及模糊聚类分析

Gray and Burns were precursors of the Romantic movement in English Literature.

格雷和伯恩斯是英国文学浪漫主义运动的先驱.

Research on Synthesis of BN Fibers with Precursors Prepared by Wet Chemical Method

湿化学法合成先驱体制备氮化硼纤维的研究

The precursors are tobacco alkaloids, nitrate and nitrite.

它们形成的前体物是烟草生物碱 、 硝酸盐和亚硝酸盐.

Vascular endothelial progenitor cells ( EPCs ) are the precursors of endothelial cells ( EC ) .

血管内皮 祖 细胞是血管内皮细胞的前体.

He said that the deal should not be seen as a precursor to a merger.

他说该笔交易不应该被看作是合并的前兆。

Phenyl ( or polyphenyl) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl) carbenes.

某些苯代（或多苯）环氧乙烷是制取带苯环（或二苯）碳烯的极好原料

Surpass precursors, surpass competitors, surpass yourself and surpass all.

超越前人, 超越对手, 超越自己,超越所有.

Note the presence of megakaryocytes, erythroid islands, and granulocytic precursors.

可见巨核细胞，红细胞岛和粒细胞前体细胞

Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.

某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.