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In this paper, the period, place and tools for collecting marine algal specimens, the matters for attention during the collection period and the methods for the processing and preservation of marine algal specimen are expounded.
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摘要阐述了海藻标本的采集时间和地点、所需的采集工具、采集过程中应注意的事项以及标本的制作和保存方法。 |
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In this paper, the periodic boundary problems of impulsive differential systems are discussed. Using fixed point theorems, sufficient conditions for existence of solutions of periodic boundary problems are obtained.
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摘要本文讨论了一阶脉冲微分系统的周期边值问题，利用不动点定理得到了问题的解存在的一些充分条件。 |
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In this paper, the physical and chemical properties, the toxicological characteristics, the biosynthetic pathway and the detection method of citrinin produced in monascus were introduced and the relative counter measures to eliminate citrinin were also il
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介绍了红曲中产生的桔霉素的理化性质、毒性、产生途径和检测方法等的研究现状，并就如何消除红曲中桔霉素提出了对策。 |
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In this paper, the pier-wall models respectively built with steel-fiber concrete and ordinary concrete were tested for revealing their early bebaviors of thermal strain and thermal stress caused by adiabatic heating.
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为此进行了钢纤维混凝土和普通混凝土2个墩墙结构的模型试验，比较了二者的温度及温度变形的特性。 |
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In this paper, the position and functions of libraries in e-publishing industrial chain are discussed from 3 aspects: the development history of e-publishing; the main distribution channel of e-publishing at the present stage; the interactive relationship
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摘要本文尝试从数字出版发展历史、现阶段数字出版销售主渠道和图书馆与数字出版的互动关系等三个方面论述图书馆在数字出版产业链中的地位和作用。 |
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In this paper, the precise initial guidance law based on velocity gain guidance and the state transition matrix for orbit interception were proposed.
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摘要对于轨道拦截问题，给出了一种基于速度增益制导和状态转移矩阵的精确初制导方法。 |
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In this paper, the preparation methods, theories and developments which were used at present of intermetallic ceramic-based composites were summarized, and the further developments on preparation technology was also prospected.
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摘要综述了目前金属间化合物／陶瓷基复合材料的制备方法、原理以及发展现状，展望了制备技术的进一步发展。 |
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In this paper, the preparative methods and research status of metal oxide nanomaterials in latest five years are reviewed, meanwhile their Pros and Cons are also discussed.
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摘要综述了近5年来金属氧化物纳米材料的制备方法、研究现状；讨论了这些方法的优缺点。 |
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In this paper, the present status of fuel alcohol production by cellulosic materials and the industrilization trend in the near future in the United States, Japan, Canada, Sweden and China were introduced.
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主要介绍美国、加拿大、日本、瑞典、中国等国家在利用纤维质生产乙醇方面的研发以及未来产业化的发展趋势。 |
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In this paper, the principle of HCBK flame -proof telephone withprogram control and common-battery telephone public-address is introduced .In this phone, 8031 is used, controller and MT8880 is employed to communicate.
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本文介绍了集程控和共电式扩音功能于一身的HCBK系列程控防爆扩音对讲电话机的工作原理。 |
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In this paper, the principles and characters of microwave synthesis were introduced, the recent applications of microwave irradiation techniques in organic synthesis were summarized, and the prospect of microwave synthesis were expected with 30 references
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简述了微波有机合成的机理和特点，介绍了近年来微波辐射技术在有机合成中的应用，展望了微波促进有机合成化学的发展方向。 |
