Results 81 to 90 of about 24,273 (161)

[Interaction between ischemic stroke risk loci identified by genome-wide association studies and sleep habits]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban, 2022
Yang RT   +10 more
europepmc   +1 more source

Construction of some balanced arrays and their characterization, with applications to balanced and (G, g)-invariant fractional factorial designs [PDF]

open access: yes, 1989
筑波大学University of Tsukuba博士(学術)Doctor of Philosophy1988doctoral ...
74040, Yuan, Fuzhi, 衰, 福之
core  

老年人血清载脂蛋白与其高血脂、高血糖、高胆固醇关系的研究

open access: yesZhongguo shiyan zhenduanxue, 1997
老年人血清载脂蛋白与其高血脂、高血糖、高胆固醇关系的研究关志宝作者单位:066000秦皇岛市海港医院检验科本文用三因素两水平析因法研究了304例60岁以上老年人的血清载脂蛋白B(apo-B)水平与高血脂、高血糖、高胆固醇有无影响及其有无交互作用。现报...
关志宝
doaj  

The Effects of the Impurities, the Rising Rates of Voltage, and these Interaction on the Breakdown Voltages of Insulating Oil [PDF]

open access: yes, 1959
The authors have investigated the effects of the impurities in the insulatingoil, in relation to the rising rates of the voltages and the derrations of the breakdown voltages.
斉藤 金一, 柳瀬 秋夫
core   +1 more source

なぜ子どもは自分のいじめ被害を隠すのか−規範意識および友人認識との関連− [PDF]

open access: yes, 2018
 Sometimes children conceal the fact that they were bullied. The purpose of this study is to examine relation between children’s concealing their damages by bullying and normative consciousness.
久保 順也
core   +1 more source

广州市社区中老年人群缺血性脑卒中影响因素分析及 发病风险预测

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2016
摘 要: 【目的】 探讨影响广州市中老年人群缺血性脑卒中发病的交互因素,综合应用分类树法和logistic回归分析构建脑卒中风险预测模型? 【方法】 采用前瞻性队列研究设计,分析2013年广州社区1130例中老年体检人群的队列资料;随访1年,主要结局事件为发生缺血性脑卒中;应用分类树模型构建交互项,最终和筛选主效应一起纳入多因素非条件logistic回归进行模型拟合? 【结果】 分类树模型筛选得出8个主效应和变量之间的10个交互项,多因素logistic回归得出影响脑卒中发病的主要因素,其OR值分别为:
林爱华
doaj  

压气式断路器性能的可视化动态仿真

open access: yesGaoya dianqi, 1999
将断路器的操动机构和灭弧室的相互作用视为动态控制系统,建立了断路器开断过程的数学模型;采用科技软件MATLAB及其图形交互式软件包SLMULINK,编制了具有良好人机界面的可视化程序;进行了可视化动态仿真及实验验证.计算结果与实验数据较吻合.该程序具有较高的实用价值,是对断路器设计及仿真的有效工具.
陈晓宁   +3 more
doaj  

自动交换光网络(ASON)分级路由技术的研究

open access: yesGuangtongxin yanjiu, 2003
路由技术是自动交换光网络(ASON)的核心技术之一。文章在分析ASON的层网络结构、路由结构以及路由功能部件相互作用的基础上,重点讨论了ASON的分级路由技术,包括分级路由的网络结构及其详细的操作步骤。
王丽君, 李文耀
doaj  

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