大口水罐 发表于 2025-3-21 19:56:45
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http://reply.papertrans.cn/89/8828/882709/882709_2.pngSPECT 发表于 2025-3-22 04:28:27
Extension of the Cox Proportional Hazards Model for Time-Dependent Variables,埋伏 发表于 2025-3-22 05:12:52
Textbook 20052nd editionrametric models, in which the dist- bution of the outcome (i. e. , the time to event) is speci?ed intermsofunknownparameters. Manysuchparametricmodels are acceleration failure time models, which provide an alt- native measure to the hazard ratio called the “acceleration factor”. The general form oftemperate 发表于 2025-3-22 10:25:54
tween the electrons and later consider it as a small perturbation compared with the action of the central field. In the London-Heitler method, however, we consider the interaction of two electrons in the same atom as very large, and take only the interaction between electrons in different atoms as aBrain-Imaging 发表于 2025-3-22 13:38:04
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nt, and radical changes in land use have exerted a huge influence on the global environment. Therefore, human activities have become a major driving force of global change, and coupled with natural factors, they have been acting as a catalyst for global change processes.AUGER 发表于 2025-3-23 04:46:07
f individual scientists using citation metrics, the . index, and many variations proposed to correct its deficiencies are discussed. Although citation metrics can be considered the best tools yet implemented to assess the quality and influence of scientific research, the importance of understandingexpeditious 发表于 2025-3-23 08:34:21
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