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Weak deflection angle of extended uncertainty principle black holes
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作者 Yashmitha Kumaran Ali Ovgün 《Chinese Physics C》 SCIE CAS CSCD 2020年第2期128-133,共6页
We discuss the effects of quantum fluctuations spewed by a black hole on its deflection angle.The GaussBonnet theorem(GBT)is exploited with quantum corrections through the extended uncertainty principle(EUP),and the c... We discuss the effects of quantum fluctuations spewed by a black hole on its deflection angle.The GaussBonnet theorem(GBT)is exploited with quantum corrections through the extended uncertainty principle(EUP),and the corresponding deflection angle is obtained.Moreover,we have attempted to broaden the scope of our work by subsuming the effects of plasma medium on the deflection angle.To demonstrate the degree of difference,the acquired results are compared with the prevailing findings. 展开更多
关键词 deflection of light gravitational lensing massive photon black hole Gauss-Bonnet theorem extended uncertainty principle quantum gravity
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Evaluation of Uncertainty for Determination of Stevioside Content in Fermented Milk by HPLC
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作者 Zhiyong LU Hong YUE +6 位作者 Yuelian NING Xiaoyan HUANG Wenhui HU Shuo TANG Yuju REN Lijun LIU Cuizhi LI 《Asian Agricultural Research》 2023年第1期41-46,共6页
[Objectives]The paper was to establish an evaluation method for the uncertainty of stevioside(including stevioside,rebaudioside A,rebaudioside B,rebaudioside C,rebaudioside F,Dulcoside A,rubusoside and steviolbioside)... [Objectives]The paper was to establish an evaluation method for the uncertainty of stevioside(including stevioside,rebaudioside A,rebaudioside B,rebaudioside C,rebaudioside F,Dulcoside A,rubusoside and steviolbioside)content determination in fermented milk based on HPLC.[Methods]The mathematical model of stevioside content and the propagation rate of uncertainty were established,and the sources of uncertainty were analyzed.[Results]The uncertainty mainly came from four main aspects,including standard uncertainty u(C)introduced by solution concentration C,standard uncertainty u(V)introduced by sample volume V,standard uncertainty u(m)introduced by sample mass m weighing and standard uncertainty u(f_(rep))introduced by measurement repeatability of stevioside content after sample dissolution and constant volume.The uncertainty estimation table and fishbone chart of stevioside content X determination were established.The relative synthetic standard uncertainty of stevioside content was obtained,and the standard uncertainty was extended to form the measurement result of stevioside content and its uncertainty report.[Conclusions]The evaluation results can be directly applied to the daily practical detection work. 展开更多
关键词 HPLC STEVIOSIDE uncertainty Relative synthetic standard uncertainty extended standard uncertainty
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