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Abstract: Human body modeling is an important research work in the fields of biomedicine and computer engineering.On the basis of NURBS FFD (free-form deformation),a motion modeling method is discussed to simulate the bend of human leg and corresponding d
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文摘:如何建立人体各部分的数字模型是生物医学和计算机工程界较为关心的研究课题.利用基于NURBS的自由变形方法模拟膝关节弯曲和肌肉变形，并在二阶B样条基函数的基础上，依据关节的解剖结构，推导了符合膝关节运动特点和肌肉特性的计算公式.实验证明，采用适当的自由变形网格，利用推导的公式能够获得较好的膝关节弯曲和肌肉变形视觉效果.与采用曲面片插值的方法相比，该方法简单有效，可以方便地应用于人体其它关节的运动建模. |
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Abstract: Huperzine A has been shown to be a powerful selective inhibitor of acetylcholinesterase and has attracted widespread attention because of its unique pharmacological profile and low toxicity.
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文摘:石杉碱甲是一高效、高选择性乙酰胆碱酯酶抑制剂，由于其独特的药理特征和低毒性,引起了人们的广泛注意。 |
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Abstract: Hydrochemical survey in four gold ore districts shows that the distribution of different forms in water exhibits regular variation in different regions and climate zones.This paper has preliminarily established distribution patterns of different
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文摘:通过对4个金矿区的水化学测量，发现水中不同状态金分布在不同地域气候带下呈规律性变化，初步建立水中不同状态金异常分布模式，为水化学预测隐伏金矿提供依据。 |
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Abstract: IGCT is a kind of new ideal medium-voltage and high power semiconductor switching device.It has the advantages of high voltage,high current,low conducting loss,high switching frequency and easy sevies connection.Therefore it is suitable for medi
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文摘:IGCT是一种新的理想的中压大功率半导体开关器件，它具有高电压、大电流、低导通损耗、高开关频率、易于串联优点，因此适用于中压变频，在煤矿具有广泛的应用前景。 |
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Abstract: IR active jam technology includes IR decoy, IR jammer, DIRCMlaser blinding， etc. This paper briefly describes the present state of IR active jam technique.
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文摘:红外有源干扰技术包括红外干扰弹、红外干扰机、定向红外对抗和激光致盲等。综述了国外红外有源干扰技术的发展现状。 |
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Abstract: If you want to get exait and reliable determination value of permanganate index, it must carry on quality control and data processing.
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文摘:在环境水的测定中欲得到可靠和准确的高锰酸盐指数测定值，就必须进行质量控制和数据处理. |
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Abstract: In Fourier transform profilometry,because of the nonlinear relationship between the irradiant incident upon a CCD dete ctor andthe voltage it outputs,it will cause phase evaluation errors.Here,we ex plain the errorsource by theoretical deducing,
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文摘:在傅里叶变换轮廓术中，由于CCD探测器光电响应的非线性，将在测量中引入高次项，从而对相位的求解造成较大误差，通过理论的推导定性地解释了误差的来由，并用计算机进行了模拟计算，最后提出了减小误差的方法。 |
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Abstract: In Hawthome's The Scarlte Letter, Puritanism's predestination dominates and shapes the characters and destiny of heroes and heroines in the story from the beginning to the end; at the same time, Hawthorne also puts romanticism into the story.
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文摘:在霍桑的<红字>中,清教徒的宿命论观点自始自终影响并决定着人物的性格和命运,但同时,霍桑又把浪漫主义带入小说中. |
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Abstract: In accordance with practical problems of safety management encountered at major(minor) overhaul of unit in power plant, the protective measures and management method are put forward,this measures and method are functional and efficacious, and it
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文摘:针对电厂机组大(小)修中所遇到的安全管理方面的各种实际问题，提出了针对性强、可操作性强、实用有效的防范措施和管理方法。 |
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Abstract: In accordance with problems in current forging manufacturing of wrenches,a new blocking plan is put forward in this paper.And corresponding devices is designed.It provides reasonable proposal for improvement of forging technology of wrenches for
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文摘:针对扳体现行锻压生产存在的问题，提出了新的制坯方案，并设计了相应的工艺装置，为在摩擦压力机上锻压扳体工艺的创新提出了合理的建议。 |
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Abstract: In accordance with the current thermotechnical behaviors of domestic tunnel kilns using different firing fuels,such as thermal utilization ratio and energy consumption per kilogram of porcelain,the influence of various firing fuels properties an
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文摘:从国内现有使用不同燃料的陶瓷隧道窑的热能利用率、千克瓷能耗等热工性能的现状，分析了各种燃料的燃烧性能及不同的燃烧系统设置对窑炉热工性能的影响，认为洁净的气体燃料和轻油是生产高档产品的优质燃料。 |
