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The paper summarized the research for the effects of different grazing intensity on grazing behaviour, grazing grass species and productivity of sheep in recent years, the result showed that: ①There was a negative correlation between the live weight gain
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摘要根据近几十年来放牧强度对绵羊放牧行为、采食植物组成和生产性能的影响进行了综述，得出以下结论：①绵羊的个体增重与放牧率之间呈线性负相关，而公顷增重与放牧率之间呈正相关；②绵羊的采食量随著放牧强度的加重而降低；③放牧强度对母羊繁殖性能各指标影响差异不显著；④随著放牧强度的加重，绵羊的采食时间增加，游走、反刍卧息时间减少；每百口采食量和日采食量减少，而采食速度增加；⑤放牧绵羊的嗜食性是相对的；⑥轻牧有利于提高肉的品质，但是产肉量低，总的经济效益不高。 |
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The paper summarized three main methods of enzymatic preparing chiral lactones and their application.
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综述了当前主要三类酶法制备手性内酯的途径及其应用。 |
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The paper summarizes maximum P-sorption capacity of different substrates and substrates for phosphorus removal capacity that can be obtained in the full-scale constructed wetland, discusses main influencing factors about substrates for phosphorus adsorpti
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总结了不同基质对磷素的理论最大吸附量以及基质在人工湿地运行中对磷素净化能力，探讨了影响基质对磷素吸附性能的几个主要因素，并对今后在人工湿地基质类型的选择方面提出了展望。 |
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The paper summarizes study progress of molecular conservation genetic from the following respects:① Measuring and managing genetic diversity and genetic variability within populations.② Identifying of evolution distinct populations, defining the appropria
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从遗传多样性检测、种群内遗传变异及进化分化的鉴别、就地或移地保护物种的繁殖与遗传保护、遗传结构地理差异、种群大小的遗传基础与保护等方面综述了遗传保护研究的进展。 |
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The paper summarizes the advances in molecular signal and cytological researches concerned with symbiosis formation and nutrient exchanges between and the defenses of arbuscular mycorrhizal fuyngi and plant roots, and envisages the prospect of development
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本文对丛枝菌根真菌与植物根系在共生关系形成、营养交换以及防御方面的分子信号和细胞方面的研究进展进行综述，并对发展前景作以展望。 |
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The paper summarizes the development of new type of textile fiber, introduced new fiber and fabric products that could be developed by use of colourful cotton, modified wool, new synthetic fiber, new protein fiber and regenerated cellulose fiber.
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摘要综合论述了各种新型纤维的发展历史及其特点，介绍了彩棉、改性羊毛、新型合纤、新型蛋白纤维和新型再生纤维素纤维所适应开发的新产品及面料。 |
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The paper summarizes the research advances of Cuminum cyminum related to chemical composition, medical treatments, foods and agriculture with emphasis on its insecticidal 1 and anti bacterial or fungal effects so as to provide the basis for its pesticide
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摘要本文综述了孜然在化学成分、医疗、食品、农业等方面的研究进展，著重阐述了其在杀虫、抑菌方面的研究概况，以期为孜然在植物源农药方面的研究和综合开发应用提供依据。 |
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The paper summarizes the research contained in the source material as well as the student's critical analysis of the work.
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论文要总结来源资料中的研究以及学生对作品的批评分析。 |
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The paper summarizes these responses in a simple conceptual model that places the nexus between transport and urban form at the heart of developing an eco-city.
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论文讨论了十个典型的对策，论文把这些对策总结为一个简单的概念模型，即把交通和城市格局的关系作为发展生态城市的核心。 |
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The paper summarizes usual type of joint face, and develops a parametric and associated design module for double stamping based on UG platform.
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本文总结了常见的成双件中间连接类型，基于UG平台下，开发了成双冲压工艺设计模块，实现了覆盖件冲压工艺的参数化设计。 |
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The paper summerized the technologies for syn-gas production from natural gas, including steam reforming Process, carbon dioxide reforming process, catalytic partial oxidation process, non-catalytic partial oxidation process, autothermal reforming process
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摘要对目前天然气制备合成气主要的水蒸气转化法、二氧化碳转化法、催化部分氧化法、非催化部分氧化法、自热式转化法进行了综述，并对这些方法的技术特点和工艺操作进行了讨论。 |
