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Calculating the Number of Pregnant Women Receiving Standardized Services for PMTCT of HIV in Liangshan Prefecture,Based on the equivalent method

引用

Biomedical and Environmental Sciences 2020年第10期33卷 745-749页

作者： QU Shui Ling WANG Ai Ling PAN Xiao Ping WANG Xiao Yan LUO Hui Ming ZHANG Tong Chinese Center for Disease Control and Prevention Beijing 102206China National Center for Women and Children's Health Chinese Center for Disease Control and Prevention Beijing 100081China Capital Institute of Pediatrics Beijing 100020China

Objective To calculate the number of pregnant women who receive standardized prevention of mother-to-child transmission(PMTCT)services for HIV *** HIV-positive pregnant women in six counties of Liangshan Prefecture in 2017 were selected as study *** entire process,from when the subjects first received the PMTCT of HIV services to the end,was divided into four stages,which were further divided into 25 *** equivalent coefficient was used to indicate the weight of workload in each *** experts were invited to score the equivalent coefficient;the number of pregnant women who received standardized services to prevent the transmission of HIV was *** A total of 663 HIV-positive pregnant women were registered in six Liangshan Prefecture counties in *** figure was converted into 7,780 person-months devoted to HIV-positive pregnant women,with 260 person-months(3.34%)spent on the first antenatal care,1,510 person-months(19.41%)during pregnancy,378 person-months(4.86%)on delivery,and 5,632 person-months(72.39%)on post-partum *** equivalent coefficient calculation showed that 314 HIV-positive pregnant women received standardized PMTCT *** The number of pregnant women receiving standardized services for the PMTCT of HIV can be calculated accurately using the equivalent method to identify the gap between the level of PMTCT of HIV intervention services needed and the actual workload.

关键词： equivalent method Standardized services PMTCT Pregnant women HIV

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The Application of General equivalent method in University Physics

The Application of General Equivalent Method in University P...

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The 2011 Fourth International Symposium on Knowledge Acquisition and Modeling（KAM 2011）

作者： Xingkui Huang School of Mathematics and Physics Jingchu University of Technology

In order to study the application of general equivalent method in theory research and teaching practice of university physics, the author had studied several classical textbooks with the thinking method of analysis,comprehensive, classification, abstract and generalize, and classified equivalent method under two groups which are special equivalent method and general equivalent *** definition, classification and application of it were discussed in this paper. The research indicates that general equivalent method is useful to investigate physics theory,solve actual problems and develop students’ creative thinking. The results offer a new idea for improving research and teaching of college physics.

关键词： equivalent method Special equivalent method General equivalent method

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A New Algorithm for MLE with Interval Censored Data

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Journal of Mathematical Research with Applications 2012年第6期32卷 735-742页

作者： Conghua CHENG1, , Jinyuan CHEN21. School of Mathematics and Computation Science, Zhanjiang Normal University,Guangdong 524048. P. R. China 2. School of Mathematics and Statistics, Lanzhou University, Gansu 730000, P. R. China School of Mathematics and Computation Science Zhanjiang Normal University Guangdong 524048 School of Mathematics and Statistics Lanzhou University Gansu 730000

In this paper, we study the two-parameter maximum likelihood estimation (MLE)problem for the GE distribution with consideration of interval data. In the presence of interval data, the analytical forms for the restricted MLE of the parameters of GE distribution do not exist. Since interval data is kind of incomplete data, the EM algorithm can be applied to compute the MLEs of the parameters. However the EM algorithm could be less *** improve effectiveness, an equivalent lifetime method is employed. The two methods are discussed via simulation studies.

关键词： GE distribution EM algorithm equivalent method MLE interval data.

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