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Abstract: This paper introduces the fundamental method of rice irrigation covered by pellicle and the effect of water saving and production increasing, and discusses the mechanism of water saving and production increasing.
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文摘:本文介绍了水稻膜孔灌溉的基本方法以及膜孔灌溉的节水与增产效果，并对节水与增产机理进行讨论。 |
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Abstract: This paper introduces the general requirements for safety design of power adaptor, expounds how to choice the key compents for power adaptor, and, the organization, management and actualization of safety design for power adaptor, and gives one e
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摘要：介绍了电源适配器安全设计的总体要求和关键元器件的选用以及安全设计的组织、管理与实施工作，并给出一个安全设计的具体例子。 |
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Abstract: This paper introduces the operation of light hydrocarbon xecoveryunit under low capacity eonditions, the approaches to improve propane recovery while the products quality are ensured.
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文摘:介绍渤西油气处理厂轻烃回收装置低负荷运行状态下，提高丙烷收率的措施及方法。 |
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Abstract: This paper introduces the programming essentials and methods for monoboard computer 8098 to realize water level's pressure compensation , and analyses the causes of water level's deviation in drum boiler occurring in the course of measurement.
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文摘:本文介绍了单片机8098实现水位压力补偿的编程要点及方法，分析了测量中汽包锅炉水位产生偏差的原因。 |
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Abstract: This paper introduces the specialty of design method. Construction and manufacture of some pressing dies made in Japan give out some value reference through analyst of these dies.
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文摘:介招日本冲压模具的设计方法，制造特点及结构特点。通过对其特点的分析，对于冲压模具的设计和制造有一定的参考价值。 |
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Abstract: This paper introduces the structure of the standards for electrical insulating materials of china they include dated and revised,and then we have some suggestions on adopting corretly the standards.
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文摘:本文介绍了我国现行的电气绝缘材料标准的构成及近期废止和修改了的标准，提出了推动正确使用现行标准的意见。 |
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Abstract: This paper introduces the technology of solid membrane transfer by wafer bonding and its applications.
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文摘:阐述了利用键合方法转移薄膜材料的技术及其应用。 |
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Abstract: This paper introduces the wonderful cutting and welding properties of LPG（Liquefied Petroleum Gas）and its lower cost . thus ,the application of LPG is an effctive methods that can improve product quality and reduce cost and benefit the enterpris
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文摘:介绍了液化石油气良好的切割和焊接性能以及燃气成本显著降低的特点，从而液化石油气的应用成为企业提高产品质量，降低成本、增加效益的有效途径之一。 |
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Abstract: This paper introduces the working pinciples of the electro-economizer,in which either alternating or direct current voltage can be input with the adaption to the operating coils of contactor, steady direct current is output,and voltage auto-conv
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文摘:论述了与交流接触器操作线圈适配的交直流输入(操作)电压通用，恒直流输出，吸合与保持电压无触点自动转换节电器的工作原理。 |
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Abstract: This paper is a comprehensive study of the developments of the chiral phosphorus ligands in the field of asymmetric catalytic synthesis in the past detade.According to the chiral center atom and the structure characteristics,these chiral phospho
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文摘:对近十多年来不对称催化合成领域中出现的手性膦配体进行了综述，按其不对称中心以及结构上的特征加以分类，并对其催化性能进行总结。 |
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Abstract: This paper is an attempt to reviewbriefly the following fourresearch trends in plant physiology at the turn of century: from research on biological macromolecules to clarification of complex life activities-genomics,construction and function of
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文摘:简要介绍了当今植物生理学研究中值得注意的四个动向，它们是：从研究生物大分子到阐明复杂生命活动——基因组学、基因结构与功能的研究；实现生命整体性的重要环节——信号传递的研究；生命活动的能量和物质基础——代谢及其调节的研究；植物与环境(非生物和生物环境)的相互关系——生物的协同进化和适应的研究。 |
