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Abstract: In order to eliminate the product defects such as deformation,corrugation and rupture,the authors put forward the principle of flow rate uniformity for the design of rubber and plastics profile extrusion dies.On the basis of this principle and t
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文摘:为解决挤出制品的扭曲变形、起皱、破裂等问题，本文提出了橡塑异型材挤出口模设计的流率平衡原则，并据此原则通过对具体例子的流变学分析，提出了口模设计方法。 |
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Abstract: In order to implement the Convention of Biological Diversity for conservation and sustainable use of biodiversity, governments and conservation organizations have built up lots of biodiversity information (database) systems to support the decisi
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文摘:为了实现生物多样性保护和持续利用，履行《生物多样性公约》，各国政府及组织建立了大量的生物多样性信息（数据库）系统，为保护和利用的决策提供科学的支持。 |
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Abstract: In order to improve the corrosion resistance of the pieces formed by plasma spraying with Fe-based alloy powder,the blackening process for this kind of pieces is studied.To counter the distinguishing feature of the pieces in composition and micr
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文摘:针对铁基合金粉末等离子熔射成形制件表面耐腐蚀性差的问题，结合其成分及微观结构的特点，着重研究了该类零件的氧化处理工艺，并讨论了相关问题。 |
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Abstract: In order to improve the efficiencies of flue gas desulfurization, and to correct the backward of dry flue gas desulfuriziation and wet flue gas desulfurization.
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文摘:为了提高中小燃煤锅炉的烟气脱硫效率，改进干法烟气脱硫技术、湿法烟气脱硫技术的不足之处，研究了半干半湿烟气脱硫方法。 |
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Abstract: In order to make professional know about the basic knowledge of the search and effective utilization of the electronic information resource in our current information society, and improve the efficiency of research and utilization of electronic
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文摘：本文针对计算机科学与技术领域用户在科学研究和攻读学位方面的需求，推介一些常用电子信息资源，目的在于使专业人员了解信息社会电子信息资源检索与利用基本常识，提高学术电子信息资源的利用效率和科研工作效率。 |
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Abstract: In order to make use of perlite resources and solve traditional expansion perlite in application, a spherical closed pore expansion perlite with the properties of high strength and low water-absorbing has been developed.
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文摘:为解决珍珠岩矿产资源利用及传统多孔膨胀珍珠岩在使用中存在的问题，研制成功一种强度高、吸水率低的球形闭孔膨胀珍珠岩。 |
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Abstract: In order to meet the needs of high-temperature-coiling, thethermal deformation of the hot strip coiler′s segment in the process of coiling is analysed and calculated using the method of FEM.A simulation experiment has been carried out in the lab
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文摘:为适应高温卷取的需要,采用有限单元法对1580热连轧机卷取机卷筒扇形板在卷取过程中的热变形进行了分析计算,并在实验室进行了模拟试验,得出了扇形板关键部位的热变形量的大小。 |
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Abstract: In order to meet the uninterrupted development of automobiles towards lightweighed, miniaturized and energy-saving, and to improve its rapidity and security, various electric components with miniaturization, light wight and multifunction are cal
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文摘:为了满足汽车不断向轻量化、小型化、节能化方向的发展，并改善其舒适性和安全性，促使各种电磁部件小型、轻量和高功能化。 |
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Abstract: In order to observe the clinical effects of misoprostol in the stages of labor,200 of puerperas with complete pregnancy and with out the use of misoprostol in the vagina for midwifery were reviewed and analyzed.The results indicated that misopro
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文摘:为了观察米索前列醇在产程中的效果，作者对200例足月妊娠产妇，使用与不使用米索前列醇阴道后穹窿给药助产，进行了回顾性分析，结果表明：米索前列醇能促进宫颈成熟，诱发和增强宫缩，缩短产程，减少出血，值得临床推广应用。 |
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Abstract: In order to obtain the mechanical properties of cemented soil,a series of cemented soil specimens with different cement ratios are conducted through uniaxial compression tests and ultrasonic wave tests.The link of the compressive strength of the
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文摘:本文通过室内抗压实验及超声波波速实验的方法，对不同水泥掺入比下水泥土的力学性能进行了研究，获得了水泥土材料棱柱体抗压强度与立方体抗压强度之间的关系，以及抗压强度与波速之间的关系式。 |
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Abstract: In order to protect environment,it is very important to explore anew refrigeration method.For its unique characteristic,thermoelectric refrigeration is applied in some conditions.Numerical simulation has been developed for the air-cooled thermoe
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文摘:建立了风冷热电空调器数值模拟模型，对空调器进行了模拟计算.在对风冷热电空调器研制的基础上，进行了最佳隔热层厚度、不同结构形式、变工况、变风量和复现性实验，验证了仿真程序的可靠性，并应用模拟程序对热电材料的优值系数和空调器冷、热端的传热系数进行了分析. |
