查询词典 evolution

Directed molecular evolution of enzyme, originated in the beginning of the nineties of the last century, was a new strategy of protein engineering, which could rapidly modify proteins for specific purpose through imitating externally natural evolutions, as well as it has arisen a revolution in biocatalyst field.

酶的分子定向进化是20世纪90年代初兴起的一种蛋白质工程的新策略，是一种在生物体外模拟自然进化过程的、具有一定目的性的快速改造蛋白质的方法。该方法引起了生物催化技术领域的又一次革命。

The study of the development and evolution of biochemicals and biochemical processes.

我们正是根据这样的思想，力求实现我们的发展目标。

Centaurus scientists develop The Biogen, a non-invasive gene enhancement process that accelerates biological evolution toward pre-programmed goals. This technology is quickly applied to the science of Eugenics, to free

半人马座科学家研制了生命素，一种加快生物进化达到重编程序的目的的基因增强过程，这种技术很快地被运用到优生学上，让半人马座人民远离疾病成为现实。

According to the new vision of the committee, NEON should be focused on the six critical environmental challenges that the nation faces, including biodiversity, species composition and ecosystem functioning; ecological aspects of biogeochemical cycle, ecological implcations of climate change, ecology and evolution of infectious diseases, invasive species and land use and habitat alteration.

新的方案建议NEON应重点关注生物多样性、物种组成与生态系统功能、生物地球化学循环的生态学影响、气候变化的生态学内涵、传染病的生态学和演化、入侵种以及土地利用和栖息地的丧失这6个美国国家层次当前所面临的最严峻的环境挑战。

Mo isotopic signatures in sediments can be used as an indicator for redox conditions of paleo-environment and corresponding paleo-oceanography. Therefore, molybdenum isotopes can be used as a powerful tool for understanding the redox conditions of local or regional depositional environment, the biogeochemical cycle of sulfur or carbon, and the geochemical evolution of ancient oceans.

沉积物中的Mo同位素既能指示古沉积环境的氧化还原条件，也能够指示与之相关的古海洋地理环境，因此，Mo同位素是了解局域至区域沉积环境的氧化还原条件、硫和碳地球化学循环及古海洋化学演化等的强有力工具。

However, he has a wide variety of interests including the evolution and diversification of modern amphibians such as frogs, statistical shape analysis, the biogeography of southern continents, and imaging specimen data.

同时，他对于其他近现代的两栖动物的进化研究也有着浓厚的兴趣，包括青蛙，统计形状分析，南部大陆生物地理学，数据和图像标本等等。

Furthermore, chromosome evolution and biogeography of Apioideae were discussed:(1) Cytology : Karyological studies on seven genera, i.e.

并在已有资料的基础上，对芹亚科的染色体演化模式以及生物地理学问题进行了初步的总结和讨论。

Moreover, the hilltop of Danxia Landform was though to be of significance in the scientific researches of ecotype, island biogeography and adaptive evolution.

讨论了丹霞地貌山顶对生态型研究、岛屿理论研究和适应性进化研究的科学意义。

On earth-and turned old notions about early tetrapod evolution, diver-sity, biogeography and paleoecology on their heads.

其关键的篇章---也转变了人们以往在早期四足动物进化，生物多样性，生物地理学，古生态学的旧的观点和理念。

Chapter 1 gives a biographical sketch of Henry Kissinger in order to illuminate thebackground to the evolution of his strategy.

基辛格战略的根本目标是实现国际体系的稳定和安全，维持和巩固美国的领导地位。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。