一系列

PREFACE1,2,4 -TCB has pervaded in natural environment and industrial production. It will cause a series of problems due to its longevity and amassment.

前言 1，2，4—三氯苯(1，2，4—TCB)在自然环境和工业生产中广泛存在，它在自然环境中长期存留和富集会产生一系列环境问题。

TCB pervades in natural environment and industrial production. It causes a series of problems due to its longevity and amassment.

目的 1，2，4-三氯苯(1，2，4-Trichlorobenzene，1，2，4-TCB)广泛存在于自然环境和工业生产中，并长期存留和富集产生一系列环境问题。

The ameloblast differentiation is controlled by sequential epithelial-mesenchymal interactions during tooth morphogenesis.

成釉细胞的分化是由牙齿形态发生期上皮和间充质的一系列相互作用调控的。

Over the years he depicted there a unique collection of Americana, a series of vignettes of remarkable warmth and humor.

这些年中，他描画了大量的美国社会生活和一系列非常温暖和幽默的小插图。

He was asked to choose between a number of different coffee drinks from gourmet coffee to specialty coffee, from an Americano to a cup of Vietnamese Iced Coffee.

他只能从一系列咖啡饮料中选一种了，比如从极品咖啡到精品咖啡，从一杯 Americano到一杯越南冰咖啡。

There are certain popular types of cards like the Amex card for small businesses which have its own range of benefits and incentives.

有一些常用的卡一样，美国运通卡，为小企业在这方面有自己的一系列补助和奖励办法。

In the second chapter, a series of 6-aromatic amine carbonyl pyridine-2-carboxylic acid ligands have been designed, synthesized and characterized.

第二章报道了一系列新型6-位取代的吡啶-2-甲酸衍生物有机配体的分子设计、合成，并用元素分析、红外吸收光谱、核磁共振谱、质谱等方法进行了组成和结构分析。

Nitrile is a kind of organic compounds containing cyano group,it is a starting material to synthesize a series of amine,acid and polymer.Hydrolysis reactions of nitriles have been widely applied in plentiful of organic synthesis such as amino acid, amide,carboxylic acid and its derivatives,which occupy an extremely important position in organic synthesis.

腈是一类含氰基的有机化合物，作为合成一系列胺、酸和聚合物的起始原料，其水解反应广泛应用于氨基酸、酰胺、羧酸及其衍生物的合成，在有机合成中占有极其重要的地位。

A series of 2-Hydroxypropyltrimethyl Ammonium Chloride Chitosan with different degree of quaternarization and molecular weight were prepared.

采用不同反应和降解条件制备了一系列不同取代度和不同分子量的羟丙基三甲基氯化铵壳聚糖。

Methods:512 normal elders, 153 patients with amnesic mild cognitive impairment and 124 patients with Alzheimer disease were evaluated with AFT and other tests (the mini-mental state examination, auditory verbal memory test, etc).

512例正常老人、153例遗忘型轻度认知损害患者和124例阿尔茨海默病患者完成动物流畅性测验和其他一系列测验(如简明精神状态量表、听觉词语学习测验等)。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。