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周末效应 - Open Access .click
Results 41 to 50 of about 5,802 (97)

Construction and application of a preoperative prehabilitation program based on the 5E model and smart cloud platform for living-donor kidney transplantation recipients (基于5E 模式与智慧云平台的亲体肾移植患者术前预康复方案构建及应用)

open access: yes中西医结合护理
Objective To construct and evaluate the application effect of a preoperative prehabilitation program based on the 5E rehabilitation model and a smart cloud platform for patients undergoing living-donor kidney transplantation.
LI Saisai (李赛赛), JIN Yan (金彦)
doaj   +1 more source

Removal of norfloxacin by ZnCl2-modified biochar-activated sulfate and investigation of its loadability on geopolymers(ZnCl2改性海藻基生物炭去除水体中诺氟沙星的性能及循环利用性研究)

open access: yesZhejiang Daxue xuebao. Lixue ban
Advanced oxidative processes of persulfate (PS-AOPs) have promising applications in antibiotic wastewater treatment due to their strong oxidation capacity and good selectivity.
张明志(ZHANG Mingzhi)   +6 more
doaj   +1 more source

Acarbose对兔缺血-再灌注损伤心肌的保护作用

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2008
【目的】 探讨α-1,4糖苷酶抑制剂Acarbose对兔缺血再灌注损伤心肌的保护作用及其可能的机制65377; 【方法】 40只雄性日本大耳白兔随机分为自由采食普通饲料组(A组)65380;自由采食含0.3%Acarbose饲料组(B组)65380;分餐采食普通饲料组(C组)65380;分餐采食含0.3%Acarbose饲料组(D组)65377;喂养1周后手术结扎左冠状动脉前降支30 min后再灌注48 h,观察血流动力学指标65380;心肌梗死范围65380;血糖65380;血清丙二醛(MDA ...
doaj  

基因步移在分离蚊虫细胞色素P450启动子中的应用及意义

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2001
【目的】快速扩增出白纹伊蚊溴氰菊酯抗性株CYP 6N3 基因(CYP 6N3)上游启动子区序列。【方法】根据本 室已获得的白纹伊蚊CYP 6N 亚家族新成员CYP6 N3 全长cDNA 的5′-末端核苷酸序列, 设计2 个反向特异引物(GSP1 和 GSP2), 利用4 种限制性内切酶Dra Ⅰ 、EcoRⅤ 、Pv u Ⅱ 和Stu Ⅰ 分别消化白纹伊蚊溴氰菊酯抗性株高分子量基因组DNA , 消化产物与适配子连接产生4 种消化的DNA 库(DL1、DL2、DL3 及DL4), 并分别以此为模板,
周国理   +3 more
doaj  

甘肃黄土高原区植被物候变化及影响因素

open access: yesShuitu Baochi Xuebao
目的为研究甘肃黄土高原地区植被物候,即植被生长和发育的季节性变化,深入了解气候变化如何影响该地区的植被生长规律。方法基于2002—2021年的MODIS NDVI数据集、气象数据、数字高程模型(DEM)及标准化降水蒸散指数(SPEI)数据,提取甘肃黄土高原区植被生长季始期(SOS)、植被生长季末期(EOS)、植被生长季长度(LOS),采用Theil-Sen趋势分析法和Mann-Kendall检验法探究黄土高原植被SOS、EOS和LOS的时空动态变化情况,采用偏相关分析法研究植被物候变化与气温、降水 ...
周鑫蓉   +4 more
doaj   +2 more sources

非工作日手术对患者住院期间死亡及重要器官功能衰竭的影响

open access: yesZhongguo shiyan zhenduanxue
目的 探究非工作日手术对患者住院期间死亡及术后重要器官功能衰竭的影响。方法 收集2021年华西医院住院时间≥24 h、住院期间接受手术患者病例资料。根据手术结束时间将患者分为两组:工作日组和非工作日组(包括法定节假日)。采取倾向得分匹配法比较两组患者住院期间死亡率、术后重要器官功能衰竭发生率等方面的差异。结果 研究共纳入74 664例病例,其中工作日组64 433例,非工作日组10 201例。匹配前,纳入全部可干预及不可干预因素的二元logistics回归分析显示 ...
刘潜, 匡姝瑜, 周莉, 刘进
doaj  

[Preliminary evaluation of the efficacy and safety of telitacicept in children with IgA nephropathy]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Chen J   +5 more
europepmc   +1 more source

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