Results 91 to 100 of about 1,270,367 (134)

岩屑定量评价仪

open access: yes, 1997
本发明属于石油地质勘探录井中使用的一种岩屑定量评价仪,由微型计算机1、样品箱2、光电扫描器3、白光灯4等组成,光电扫描器3与微型计算机1用电缆9相连,样品箱2的上方安装有光电扫描器3和白光灯4,在白光灯4的下方安装有散光板5,在样品箱2的内侧安装有紫外光源6,下方放有样品盘7和标样台8,可提高岩屑录进分析的技术水平,实现岩屑样品中砂岩、泥岩、含油砂岩百分含量及含油丰度的定量自动检测评价,提供客观、精确的评价数据,提高岩屑录井资料的可靠性、实用性和可比性 ...
黄威东   +9 more
core  

[Development and validation of an explainable machine learning-based model for predicting mortality risk in polytrauma patients]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Jiang Y   +7 more
europepmc   +1 more source

脑电图在脓毒症相关脑病中的诊断及预后评估的研究进展

open access: yesZhongguo shiyan zhenduanxue
脓毒症相关脑病(Sepsis-associated encephalopathy,SAE)是一种基于脓毒症排除中枢神经系统感染后发生的脑功能障碍综合征,发病率高达60%~80%(根据重症监护病房流行病学数据),但缺乏特异性诊断标准。传统临床评估(如意识状态评分)存在主观性,影像学(如核磁共振成像/计算机断层扫描)对早期脑功能损伤敏感性不足,导致诊断延迟与治疗滞后。脑电图(EEG)作为无创、动态监测脑电活动的工具,可捕捉脓毒症引发的神经元代谢异常、炎症介质释放及血流动力学紊乱导致的脑电特征改变 ...
张春媚, 刘冬, 曲阔, 霍鹏飞
doaj  

[APASL clinical practice guidelines on the management of chronic hepatitis B infection: a 2026 update]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
You H   +48 more
europepmc   +1 more source

[Research advances in immune and metabolic dysregulation in the diagnosis and treatment of acute-on-chronic liver failure]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Wang SR   +12 more
europepmc   +1 more source

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