查询词典 quaternary

Quaternary glacier is left over from the ancient trees, in the face of the earth over 250 million years of history.

是第四纪冰川遗留下来的古老树种，在地球上已有250万年的历史。

This method does not produce or require the handling of corrosive quaternary ammonium hydroxides.

这一方法不产生或不要求处理腐蚀性的季铵氢氧化物。

This phenomenon is significant to the systematical study on both the composition and the division of the quaternary faunas in South China.

这种现象对系统地研究华南地区第四纪动物群的组合和划分都是很有意义的。

Countries in which the tertiary and quaternary sectors of industry dominate being described as developed.

国家的高等教育和第四纪行业占主导地位被称为发达国家。

Quaternary glacial peak, has covered area of 13 mainland China.

第四纪冰川鼎盛时期，曾覆盖了大陆面积的13。

It was postulated that the difference in quaternary structure is related to the difference of their allersteric effectors in molecular size and shape.

推测四级结构的差异与它们的变构效应物分子的大小和形状不同有关。

Therefore, paleomagnetic polarity reverse of Quaternary may be one of the main driving factors.

因而，第四纪古地磁极倒转可能是第四纪气候冷暖波动变化的主要驱动因素之一。

The quaternary sector of the economy is an extension of thethree-sector hypothesisof industrial evolution.

第四纪的经济部门是一个延伸的三个部门假说的工业发展。

The physicochemicalproperties of the quaternary system are varied regularly according to the changes of composition in aqueous solutions.

体系的物化性质随着溶液组成的变化呈现一定规律性变化。

Synthesis and application of polysiloxane quaternary ammonium salt are summarized here.

介绍了聚硅氧烷季铵盐抗菌整理剂的合成方法及其应用性能。

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。