以下为句子列表：
英文: 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
中文: 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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英文: A novel and simple method of dynamical roll measurement was proposed which uses a quarter waveplate as sensitivity part.
中文: 摘要利用1/4波片作为滚转角敏感器件，提出了一种新的测量滚转角的方法。
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英文: A ratio of strength to thermal conductivity is proposed to characterize the adiabatic shearing sensitivity for steels.
中文: 摘要提出用钢的强度与热导率的比值（强导比）来表征钢的绝热剪切敏感性。
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英文: A significant reduction in corneal sensitivity assessed using NCCA was seen in the diabetic patients.
中文: 用NCCA方法测量时，糖尿病患者的角膜敏感性都有显著降低。
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英文: Abstract: As a hydrogen abstracting photoinitiator,sulfo-benzophenonehas low volatility,high sensitivity and broad photoresponse range.The binary photoinitiating system composed of sulfo-benzophenone and tertiary amine has even higher photoinitiating effi
中文: 文摘:合成了3种含硫二苯甲酮化合物及一种新型脂肪族三级胺光促进剂,并对其组成的二元光引发体系的引发性能进行了研究,测定了其最低固化光量。
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