Results 81 to 90 of about 125 (116)

[Medical treatment standards for emergency burn wounded (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
National Health Commission Of The People's Republic Of China.
europepmc   +1 more source

[Expert consensus on on-site medical rescue and transfer of children in an earthquake]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi, 2020
Pediatric Disaster Branch of Chinese Pediatric Society of Chinese Medical Association   +1 more
europepmc   +1 more source

林火干扰下亚热带森林土壤胞外酶化学计量特征

open access: yesShuitu Baochi Xuebao
目的森林火灾作为亚热带森林生态系统主要的自然和人为干扰过程,严重影响土壤生物化学循环过程。为明确土壤胞外酶活性计量特征对林火干扰后恢复过程的响应。方法以亚热带次生林林火干扰后不同恢复阶段的土壤为研究对象,采用空间替代时间序列的方法选取7个次生林恢复阶段的亚热带森林土壤,并将其分为老龄林(60~70 a)、中龄林(30~40 a)和幼龄林(<20 a),通过测定土壤碳(C)、氮(N)、磷(P)相关的转化酶活性,揭示林火干扰下亚热带森林土壤胞外酶活性及其化学计量特征的演替规律。结果土壤纤维素水解酶(CBH ...
郭琦玲   +5 more
doaj  

[Medical treatment standards for emergency trauma wounded (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
National Health Commission Of The People's Republic Of China.
europepmc   +1 more source

Design and development of a Wechat applet for intelligent health management of metabolic syndrome. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban, 2022
Tang L   +5 more
europepmc   +1 more source

全氟己酮对棒—板短空气间隙工频击穿特性的影响

open access: yesGaoya dianqi
全氟己酮是一种新型高沸点清洁灭火剂,满足阀厅灭火喷射距离远、介质绝缘性好和无污染的要求。文中研究了雾径约719.0 μm的全氟己酮雾滴和气态全氟己酮对棒—板短空气间隙放电特性的影响。4 cm棒—板间隙下,流量由0.27 L/min上升至1.94 L/min时,全氟己酮雾滴—空气两相体间隙击穿场强由11.85 kV/cm上升至14.35 kV/cm,最高较空气间隙提升1.69倍;当气态全氟己酮体积分数由0.44%增加至10.25%,全氟己酮气体—空气的击穿场强由10.50 kV/cm上升至18.68 kV/
邓捷   +6 more
doaj  

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