查询词典 biology

Center for Molecular Biology, Shantou University Medical College, Shantou 515041, China［Abstract］Objective: To detect the reduction of rabbit NADP-dependent retinal reductaseon menadione, and to identify its reductive production.

目的：检测兔辅酶Ⅱ依赖性视黄醛还原酶对维生素K3的催化活性并对该酶还原K3所生成的产物进行鉴定。

At present, the research on tumor growth and metabasis by ultrasound has been developed from anatomy to function, molecuiar biology and pathophysiology.

目前，超声对肿瘤发展机制、转移机制的探索已由单纯的解剖学描述向功能学、分子生物学、病理生理学发展。

Genesis,development and metabasis of solid tumor have close relationship with tumor vessel angiogenesis; extracellular matrix degradation is the key point for tumorous infiltration and metabasis;the significant biology characteristic of tumor cell is the disorder of tumor cell differentiation and apoptosis.

骨巨细胞瘤血管生成是近年来研究热点，实体瘤的发生、发展及转移与肿瘤的血管生成密切相关；细胞外基质降解在肿瘤的浸润和转移中起到关键作用；肿瘤细胞的分化凋亡障碍与无限增殖能力是肿瘤细胞的重要生物学特征。

Giant cell tumor of bone is a kind of common bone tumor,which has characteristics of high recurrence rate and invasion.recently,tumor vessel angiogenesis has been the warm spot of research.genesis,development and metabasis of solid tumor have close relationship with tumor vessel angiogenesis; extracellular matrix degradation is the key point for tumorous infiltration and metabasis;the significant biology characteristic of tumor cell is the disorder of tumor cell differentiation and apoptosis.the correlated research has very important significance for judging gct prognosis and guiding therapy.

骨巨细胞瘤（giant cell tumor of bone，gct）是一种常见骨肿瘤，由于其高复发率和强侵袭性，备受临床骨科工作者的关注。骨巨细胞瘤血管生成是近年来研究热点，实体瘤的发生、发展及转移与肿瘤的血管生成密切相关；细胞外基质降解在肿瘤的浸润和转移中起到关键作用；肿瘤细胞的分化凋亡障碍与无限增殖能力是肿瘤细胞的重要生物学特征。骨巨细胞瘤生物大分子研究的不断深化对判断gct的预后及指导治疗有重要意义。

This is the principle of the electron microscope, which is used, among other things, in biology and metallography to look at details of cells or alloys.

这就是电子显微镜的原理。电子显微镜用在生物学和金属组织学的用途，用来观测细胞或金属的细节。

Biology A clearly differentiated subdivision of an organism or part, such as a metamere.

体节：某一器官或部位再分的有明显区别的部分，如分裂片

The late Neoproterozoic is an important period of biological evolution; and the emergence of metazoa is a representative event, which marked the history of biology evolution having entered a new era.

这一时期是地球上早期生命演化的重要时期，特别是宏观后生动物的出现标志着生物演化史进入了一个新纪元。

The study of DNA methylation and aging is one of the hotpoint in the field of molecular biology.

DNA甲基化与衰老的研究是近20 a来分子生物学研究的热点之一。

This is the website for Department of Biology, University of Miami.

这是迈阿密大学生物学系的网站。

Biosensor technique is a new microanalysis method which is widely used in the field of biology, medical sciences and food.

摘 要 生物传感器技术是一种全新的微量分析技术，目前已经广泛应用于生物、医学及食品等领域。

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。