生物学

Japonicum was firstly PCR amplified from S. japonicum cercaria cDNA library. Its recombinant prokaryotic and eukaryotic expression plasmids were successfully constructed and its nucleotide sequence was determined. It was firstly expressed in E. coli with MW of about 17 ku.

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Basing on introducing biological rhythms, especially the space biological rhythms, the paper gives an idea to develop the space chronobiology according to the needs of manned space flight in the future, and discusses the research direction and the contents, thus laying a foundation for developing the subject of space chronobiology and its system.

本文介绍了国内外生物节律，特别是航天飞行生物节律的研究进展，在此基础上，根据人类未来载人航天发展的需要，提出了开展空间时间生物学研究的问题；同时对空间时间生物学的基本概念、主要研究内容和基本模型进行了描述。根据空间时间生物学的基本模型，提出了今后重点研究的方向和内容，从而为空间时间生物学学科及体系的发展奠定基础。

The journal, started in 1963, publishes full papers, notes and reviews in cell biology, molecular biology, genetic engineering, endocrinology, reproductive biology, immunology, developmental biology, comparative physiology, radiation biology, chronobiology, microbiology, pharmacology, toxicology and other biological fields including instrumentation and methodology.

杂志创刊于1963年，刊载论文全文，札记和评论，内容涉及细胞生物学，分子生物学，遗传工程，内分泌学，生殖生物学，免疫学，发育生物学，比较生理学，放射生物学，时间生物学，微生物学，药理学，毒理学和其他生物学领域包括仪器和方法学。

Division of Biology is dedicated to education and research on broad areas of biology including cellular biology, biophysics, developmental biology, genetics, molecular biology, biochemistry, cellular molecular and developemental neurobiology, integrative neurobiology, computational biology, geobiology theoretical neurobiology, structural biology, and immunology.

加州理工学院生物学分院主要致力于生物学科的教育和研究工作。其研究领域覆盖细胞生物学、生物物理学、发育生物学、遗传学、分子生物学、生物化学、细胞分子发育神经生物学、整合神经生物学、计算生物学、地理生物学、理论神经生物学、结构生物学和免疫学等。

Center for Ecology and Conservation Biology is primarily dedicated to education and research in ecology and conservation biology including paleoceanography, ecological economics, sensory biology, behavioral ecology of birds, behavioral ecology and insect sociobiology, evolutionary biology, ichthyology, forest ecology and biogeochemistry, mammalian population genetics, etc.

生态学与保护生物学中心致力于生态学与保护生物学的教学与研究，其研究领域包括古海洋学，生态经济学，感官生物学，鸟类行为生态学，行为生态学和昆虫社会生物学，进化生物学，鱼类学，森林生态学和生物地理化学，哺乳动物遗传学等。

It well informs the research advances in all aspects of mammalogy,including anatomy, morphology, palaeontology, taxonomy, molecular biology, physiology, neurobiology, ethology, genetics, reproduction, development, evolutionary biology, domestication, ecology, wildlife biology and conservation biology etc.

该杂志全面提供了哺乳动物学各方面的研究进展，包括解剖学、形态学、古生物学、分类学、分子生物学、生理学、神经生物学、动物行为学、遗传学、繁殖、发育、进化生物学、驯养、生态学、野生动植物生物学以及保存生物学等等。

First of all, the paper concerned the early-stage indraught and general situation of modern biology in China and the contribution the returned students did for the Chinese modern biology\'s spread, which includes clearing the concept of biology science, establishing the basement and aim, promoting the spread of Darwinism and Mendelism in China.

首先，本文介绍了近代生物学在中国的最初引进与移植的概况及留学生对近代生物学理论在近代中国传播的贡献，包括明确生物学的概念，确立生物学发展的基础和目标，推动达尔文进化论和孟德尔遗传理论在中国的传播等。

Description: This is the webpage of the Biology Department of the University of Massachusetts, which educates graduate students in the areas of molecular and cellular biology, neuroscience and behavior, organismic and evolutionary biology and plant biology etc.

网站描述：这是马塞诸塞州大学生物学系的网页。该系在分子生物学、细胞生物学、神经科学和行为、进化生物学、以及植物生物学等？？？

Department of Biology is primarily dedicated to teaching and research in biology including molecular biology, neuroscience, cell biology, behavioral biology, ecology, entomology, phycology, biotechnology and computer technology, genetic engineering, diagnostics, public health, epidemiology, etc.

这是圣爱德华兹大学生物学系的网站。该系主要致力于生物学的教学与研究，其研究领域包括分子生物学，神经学，细胞生物学，行为生物学，生态学，昆虫学，藻类学，生物技术和计算机技术，遗传工程，诊断学，公共健康，流行病学等。

Center for Ecology and Conservation Biology is primarily dedicated to education and research in ecology and conservation biology including paleoceanography, ecological economics, sensory biology, behavioral ecology of birds, behavioral ecology and insect sociobiology, evolutionary biology, ichthyology, forest ecology and biogeochemistry, mammalian population genetics, etc.

生态学与保护生物学中心致力于生态学与保护生物学的教学与研究，其研究领域包括古海洋学，生态经济学，感官生物学，鸟？？？？？行为生态学，行为生态学和昆虫社会生物学，进化生物学，鱼类学，森林生态学和生物地理化学，哺乳动物遗传学等。

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