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A new method of absolute calibration of photodetector sensitivity based on spontaneous parametric down-conversion(SPDC) biphoton field is described.The process of SPDC is studied theoretically.The single photon detection probability and two-photon coincid
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讨论了一种基于自发参量下转换双光子场绝对校准光电探测器灵敏度的新方法，着重推导了对自发参量下转换过程中产生的单光子的探测概率和双光子的符合速率，从而阐明了绝对测量光电探测器量子效率的原理.基于这一方法对光子计数型光电倍增管的响应灵敏度进行了测量，并将实验结果与常规方法测得的结果进行了比较. |
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A new method of calculating the concentration distribution of radio-nuclides was proposed, in which the effect of gravity settlement, rain washing and the decay of the radioactive species re considered.
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利用倾斜烟团模式，考虑实际过程中核素粒子的重力沉降、雨洗作用以及放射性衰变等因素的影响，提出一种迅速估算放射性核素扩散浓度的方法。 |
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A new method of constructing virtual resource bank system was proposed based on plug-in technology, thus solving the problem of having to recompile all codes when expanding and maintaining the system, empowering the virtual resource bank system with good
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摘要提出了应用软件插件技术构建虚拟实验资源库系统的方法，解决了系统扩展和维护过程中需要重新编译所有源码的难题，使得应用该技术建立的虚拟实验资源库系统具有良好的可扩展性和可维护性。 |
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A new method of data processing used in pulse fast thermal neutron analysis technology is introduced.
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摘要介绍了一种应用于脉冲快热中子分析技术中的新解谱方法。 |
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A new method of desulphurisation of hot metal by immersion is developed by immersing the steel tube filled with desulphurisation powder and propellant into molten iron.The desulphurisation powder is injected into molten iron by pressure produced by propel
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提出用装有喷吹剂和脱硫剂混合物的钢管插入铁水中，利用喷吹剂受热分解产生气体形成的压力将脱硫剂喷射到铁水中进行铁水炉外脱硫的一种新方法――热浸铁水脱硫法，并从理论上对该法进行了可行性分析. |
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A new method of determining the weights of the decision-makers is proposed based on the idea of maximizing deviations.
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摘要基于离差最大化思想提出了一种确定多属性群决策中决策者权重的新方法。 |
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A new method of fermentation with uncooked materials was studied in this paper.
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摘要研究了一种新的生料酿酒发酵方法。 |
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A new method of measuring the Young modulus by Michelson interferoment is presented.
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摘要提出利用迈克尔逊干涉仪测量杨氏模量的新方法。 |
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A new method of mix-oxide doped electrochromics is described in this paper.The electrochromic layer and the ionized conductance layer are doped with oxide and metal respectively,which highly improve the characters of response and chromic transitivity of t
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本文论述采用混合氧化物掺杂的新方法，对电致变色层和离子导电层分别掺入氧化物和金属，使电致变色器件响应速度、增大着色透过率变化等方面的特性得到很大改善.最后给出实验结果. |
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A new method of producing comparatively pure potassium sulphate from seawater using inartificial zeolite as the medium of ion exchange was especially introduced.
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特别介绍了用天然沸石作为离子交换剂，从海水中制备较纯净的硫酸钾新工艺。 |
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A new method of the finite element is determined about the laminated shell structure.
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摘要研究层合壳体结构的有限单元解法。 |
