Results 21 to 30 of about 323,890 (122)
ABSTRACT Solid oxide electrolysis cell (SOEC) technology is a promising route for efficient and clean green hydrogen production because of its high conversion efficiency and the use of precious‐metal‐free catalysts. However, developing oxygen electrodes that combine high electrochemical activity with robust long‐term operational stability remains ...
Yue Zhao +8 more
wiley +1 more source
综合医院与结核病防治机构合作提高肺结核患者发现率的研究 [PDF]
目的探索提高肺结核患者发现率的新途径,加快患者发现进程,实现世界卫生组织(WHO)提出的全球结核病控制阶段性目标。方法选择湖北省2002年度涂阳肺结核登记率低于全省平均水平的40个县,在每个县选择1家门诊量最大的综合医院和结核病防治中心作为研究项目实施单位。通过对综合医院相关科室医务人员进行培训和督导,从而在综合医院建立肺结核可疑症状者诊断、疫情报告和转诊工作规范。利用月报和季度报表收集资料,采用χ2检验对率和构成比进行统计分析,处理过程通过SAS 8.1实现。结果2003年10月至2004年9月期间 ...
张险峰 +4 more
core
结核是当今世界最重要的致病和致死因素之一,据WHO估计,全球已有近20亿人感染结核分枝杆菌(Mycobacterium tuberculosis,MTB),结核患者约2000万人,每年新发患者约800-1 000万人[1]。近年来,由于AIDS的发病率呈上升趋势,而AIDS患者又极易感染结核病,另外近几年结核分枝杆菌隐性感染或亚临床感染持续增多。因此,结核病诊断尤其是快速检测对于及时正确开展抗结核治疗和控制结核病的传播显得尤为重要和迫切。本文就结核病的实验室诊断技术进展综述如下。
蒯守刚, 裴豪
doaj
ABSTRACT The separation of light olefins is a crucial process in the petrochemical industry, and developing advanced adsorbent materials is very significant. Aluminum (Al) cluster‐based heterometallic frameworks possess great application prospects but have rarely been investigated for separation applications.
Song‐Yan Sui +4 more
wiley +1 more source
结核病是目前全球最常见的传染性疾病之一,结核分枝杆菌相关检查在各种结核病确诊过程中有着举足轻重的作用。传统诊断结核病主要依赖于结核菌涂片,经抗酸染色然后在显微镜下观察,尽管该方法的特异性较强,但是其敏感性较低,且对某些类型结核病如骨结核、中枢神经系统结核来说标本采集难度较大[1-2],从而使得该方法在临床上的应用受到了极大的限制。随着研究的深入,诸多新技术逐步用于结核病的诊断 ...
李建华 +4 more
doaj
ABSTRACT Electrocatalytic C–N coupling technology provides a new approach for green acetamide synthesis, which is achieved via direct reduction of carbon monoxide (CO) and ammonia (NH3). However, efficient, stable catalysts urgently need to be developed, and their reaction mechanisms elucidated.
Haonan Li +6 more
wiley +1 more source
目的对TB-Ab、结核PCR、QFT和T-SPOT.TB几种临床检测结核分枝杆菌的常见方法进行比较分析,探讨四种方法对于检测结核病的临床诊断价值。方法对212例结核确诊患者和144例非结核者分别进行TB-Ab、结核PCR、QFT和T-SPOT.TB检测。结果四种方法的敏感度依次为67.9%、73.6%、75.4%和86.8%,特异度分别为72.2%、83.3%、91.7%和88.9%。结论结核感染T细胞免疫斑点试验(T-SPOT.TB)对于结核病的检测具有较高的特异度和灵敏度 ...
王玲玲, 李辉, 谢风
doaj
ABSTRACT The high‐value conversion of biomass platform molecules is a key pathway for substituting fossil resources with renewables and promoting sustainable green chemical manufacturing. However, conventional thermocatalytic processes suffer from harsh reaction conditions, high energy consumption, and poor selectivity, whereas photocatalysis enables ...
Tingting Dong +4 more
wiley +1 more source
目的评价结核感染T细胞斑点试验和结核抗体在肺结核诊断中的应用价值。方法疑似结核住院患者544例(2015.11-2016.11)的痰标本同时使用T-SPOT.TB试剂盒和2种结核抗体金标试剂进行检测,并做抗酸染色涂片及结核分枝杆菌固体培养。结果根据细菌学诊断和临床诊断标准,菌阳肺结核患者210例,菌阴肺结核患者268例,非结核病患者(对照组)66例。T-SPOT.TB检测菌阳的敏感性为84.28%(177/210),菌阴的敏感性为76.87%(206/268),T-SPOT ...
翁绳凤, 邢俊蓬, 郭威
doaj

