综述

The progress of recent research on the lignin biosynthesis is introduced in this paper.

本文介绍了木质素生物合成途径，重点综述了调控木质素合成的手段及限速酶研究方面的最新进展，并提出存在的问题及展望。

In this paper,the progress,especially combining gene engineering of mutational biosynthesis is reviewed.

本文综述了突变生物合成技术在微生物药物领域的应用，特别是结合基因技术进行突变生物合成研究的新进展。

The current status of the study on biosynthesis, response and regulation of ethylene are reviewed.

本文综述乙烯在切花衰老过程中调控作用的研究现状。

The recent advances on molecular biology of starch biosynthesis in rice are reviewed in this paper.

本文综述了水稻淀粉合成的分子生物学研究的最新进展，主要内容是参与淀粉合成的酶鉴定及其基因表达调控，也介绍了对这些酶的遗传操作改良稻米淀粉品质等内容

This review summarizes the current advancement in the identification and biosynthesis of small RNAs and their roles in gene regulation.

文章综述了这些小RNAs在鉴定和生物合成方面的研究进展，并讨论了它们对基因表达的调节作用。

In this article,the synthesis method of Phenanthraquinone is discussed and five main methods are compared,such as the method of using biphenyl and derivative of diphenylethane and the method of Diels-Alder and rearrangement as well as the direct oxidation.

本文对菲醌的合成方法进行了综述并对其几种方法作了比较，其合成方法主要有以联苯及二苯乙烷衍生物为关键中间体的方法、以Diels-Alder及重排反应为关键步骤，以及直接氧化等五类合成方法。

Cadmium is a bivalent, non-essential trace element and considered as one of the most phytotoxic heavy-metal contaminants.

本文综述了藻类对重金属的耐性与解毒机理，在此基础上研究了铜绿微囊藻生长和光合作用对Cd浓度增加的响应。

Introduction to computational methods and studies on bond dissociation energy.

综述几种常用的计算化学方法和键离解能研究进展。

Now we will review engraftment of bone marrow derived stem cell in various kinds of lung disease model.

现对骨髓干细胞移植在各种肺疾病模型中的应用进行综述。

The research progress of preparation technology and application as flame-retardant in plastic of zinc borate were reported.

综述了硼酸锌的制备工艺及其在塑料中作为阻燃剂的应用研究进展。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐