查询词典 a large amount of

In this research work, from a large amount of endophytes which had been screened based on several models, dozens of strains showed activities. One of which were taxonomically identified, and their secondary metabolites were studied.

本论文利用上海来益生物药物研发中心的植物内生菌资源，通过各种模型的筛选，在获得活性菌株的基础上，对其中的一株进行了菌种鉴定，并对它们的次级代谢产物进行分离、纯化及活性初步研究。

Therefore, experts in music-related areas were invited to conclude some characteristics of music. According to the experts, instead of using minor scales, music composed with major scales, with strongly accented rhythms, faster tempi and a large amount of staccato and legato in crescendo is encouraging.

因此请音乐相关领域专家针对高鼓舞感受的音乐归纳一些特性，专家认为高程度鼓舞的乐曲为使用大调而非小调、音乐节奏鲜明且轻快、并使用大量跳音和渐强的连续音。

Producing glyphosate by alkyl esterification method needs a large amount of triethyl amine s which are used as catalysts.

烷基酯法生产草甘膦需要消耗大量的三乙胺作催化剂。

The purpose of this paper is the analysis、computation and dynamic equivalence of power system frequency dynamics as well as the designation and implementation of underfrequency load shedding scheme. Some important conclusions have been reached based on detail theoretical analyses and a large amount of calculation results.

本文采用理论分析和详细时域仿真相结合的方法研究了复杂扩展式多机电力系统中功率—频率动态过程的主要特点，讨论了频率动态过程的计算方法，解决了频率过程计算中的动态等值问题，同时对电力系统低频减载方案的设计和实施问题进行了深入的探讨。

A Large amount of construction practices illustrate that the main reasons for delay and overinvestment in construction projects are the unsmooth information flow and obsolete material management.

大量的工程实践表明，建设项目中超投资、超期等问题发生的主要原因是信息流通不畅、物资管理落后。

Making the security market still very unstandard at present, a large amount of focuses paid attention to in research about the security market are the validity of the security market and fluctuation of the market.

大量关于证券市场研究的关注焦点是证券市场的有效性和市场的波动问题。

This thesis starts with current situations of financing channels of private enterprise, assimilates and makes uses of a large amount of domestic and international related research results, combines with investigation on many private enterprises in Zhejiang province and northeast China, then arrives at the conclusion on the base of theoretically analyzing and co...

本文从我国民营企业的融资渠道现状出发，借鉴和吸收了国内外大量相关的研究成果，并通过对东北地区和浙江省的十多家民营企业的实际调研，在密切联系实际的基础上，通过理论的分析和比较形成了本文的主要观点。

A large amount of organics can be biodegraded without the introduction of external energy, meanwhile the methane gas is generated.

在不需要提供外源能量的条件下，以被还原有机物作为受氢体，同时产生有能源价值的甲烷气体的一种水处理技术。

The only difference was that the baby had countless burps this time, and each time it burped, it would vomit a large amount of milk.

只是，每次喂完奶，他有拍不完的嗝，而且每嗝一次，都会吐出大量的奶水。

She was choused out of a large amount of money by her boy friend.

她被男朋友骗去一大笔钱。

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。