Results 31 to 40 of about 11,804 (166)

Numerical Study of Effect of Helium Filling on Temperature Characteristic of Cryogenic Target [PDF]

open access: yes
In the design of the inertial confinement fusion cryogenic target, the helium gas with low pressure in the cryogenic target is filled to the high pressure in order to achieve ignition.
ZHOU Xu, HU Yupeng, LI Minghai, XU Jianguo, WANG Yijun, MAO Yongjian
core   +1 more source

Contribution of microcosm experiments to conservation science

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Microcosms, or miniature experimental systems, have been used to develop models and theories in ecology. However, their contribution to conservation science is unclear. We explored the application, design, and impact of microcosms in conservation science from 469 systematically identified articles published from 1986 to 2023.
Eleanor R. Stern   +3 more
wiley   +1 more source

基于整体提升施工技术的高层连体结构塔楼复位研究

open access: yesJianzhu Gangjiegou Jinzhan
连体结构建造技术中,整体提升是一种经济、高效的施工方法,其在工程中应用广泛。然而实际提升施工中,连体与塔楼对接精度低,其中一个关键原因是提升荷载会使塔楼产生显著的水平变形。就此类问题,提出可采用塔楼复位的方法解决,并详细介绍了塔楼复位的实施方案与设计优化分析方法。此后,以杭州云门钢结构项目为例,结合结构形式与施工方案提出两种塔楼复位方案,完整分析塔楼复位的可行性、有效性并给出复位方案的优化方法。最后给出了实际实施的塔楼复位效果。
叶冬晨   +5 more
doaj   +2 more sources

健康体检中血清胆红素升高的相关因素分析及建议

open access: yesZhongguo shiyan zhenduanxue, 2010
目的分析健康体检中血胆红素升高的相关因素,并提出建议。方法统计11 697份健康体检资料,其中血清胆红素升高718例,分析其与年龄、体重指数、血脂、肝功能、肾功能的相关性。结果血清胆红素升高发生率6.1%;胆红素升高组与对照组作相关性的t检验,提示胆红素升高与年龄、体重指数、总胆固醇、甘油三酯、低密度脂蛋白、乳酸脱氢酶呈负相关,与血尿素氮、肌酐呈正相关,结果具有统计学意义 ...
王升声   +5 more
doaj  

Quality Infrastructure for Resilient Pharmaceutical Manufacturing in Ethiopia: A Comparative Archival Review

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT The National Quality Infrastructure (NQI) in a given country provides the essential framework for quality assurance integrating standardization, metrology, accreditation, and conformity assessment to create the technical backbone for industry and trade. Hence, building a resilient NQI is fundamental to securing medicine quality, enabling local
Addisu Afrassa Tegegne   +3 more
wiley   +1 more source

超高重型大跨度室内滑雪场钢屋盖建造技术

open access: yesJianzhu Gangjiegou Jinzhan
网架作为一种空间杆系结构,因其整体性稳定性好,空间刚度大,抗震性能好的优点被广泛应用在大跨度结构中。常规的网架安装方法主要有整体提升法、高空滑移法、分条吊装法及高空散装法等。但超高重型焊接球网架,不同于一般螺栓球网架,跨度及承受荷载更大,对应的施工安装难度及安全风险更高,仅采用单种常规安装方法,很难高效、顺利地实现结构成型。以上海临港冰雪之星项目室内滑雪场钢屋盖为背景,着重介绍其“原位原姿态拼装后分块整体提升”的安装技术路线,及对应施工过程分析及措施设计,并通过对胎架拼装、提升控制及卸载等关键工序的研究,
张胜杰, 贾宝荣, 陈颖
doaj   +2 more sources

基于SDWAN承载技术的生态环境厅业务专网升级

open access: yesDianxin kexue
江苏省生态环境厅业务专网面临升级改造,成立业务专网升级改造项目团队,进行大量的技术体制论证研究工作,确定以软件定义广域网(SDWAN)技术为基础进行专网升级改造工作。阐述了江苏省生态环境厅业务专网现状,并进行需求分析,从整体方案设计、SDWAN方案设计、安全防护设计以及网络管理设计等方面提出满足江苏省生态环境厅业务专网升级改造的技术方案。
徐益强
doaj   +1 more source

电力多终端量子密钥融合设计及验证

open access: yesGuangtongxin yanjiu, 2021
随着国网信息化建设,国家级、集团式网络安全威胁层出不穷,形成适合电网的量子级安全可靠通信技术解决方案尤为重要。文章从多终端量子密钥应用角度出发,提出了一种基于量子保密通信技术的手持抄表解决方案,实现技术升级换代。首先,从技术理论和应用领域,介绍分析了量子保密通信技术的现状及其与经典设施相结合的可行性;然后,以量子密钥管理系统为核心,设计实现了量子密钥安全存储和业务安全流程应用模型;最后,在搭建量子密钥分发整体环境的基础上,实现多终端量子密钥应用验证架构设计,验证了量子密钥业务应用流程 ...
夏少娴, 翟峰, 夏信, 王守志
doaj  

Dynamic Phase Transformation Mechanisms in Ti48Al5Nb2Cr0.6Re0.1C Alloy With Heterogeneous Layered Microstructure

open access: yesRare Metals, Volume 45, Issue 1, January 2026.
ABSTRACT Introducing solid‐state phase transformations into the design of heterogeneous structures is considered an effective strategy for simultaneously optimizing both microstructure and mechanical properties. This study investigates the thermodynamic and kinetic mechanisms of the γ → α transformation in Ti48Al5Nb2Cr0.6Re0.1C alloy under different ...
Ke‐Xuan Li   +6 more
wiley   +1 more source

医疗信息运维管理平台探究 [PDF]

open access: yes, 2018
本文描述医疗信息运维管理平台的建设思路,通过医院信息运维管理项目实施,建立医院信息化诊疗服务的安全屏障。避免业务异常或者中断,影响患者在院的就诊体验。让我院的信息化建设更好的发挥作用 ...
林帅
core  

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