Results 51 to 60 of about 7,884 (159)
Abstract Social protection has gained global recognition for its role in addressing poverty, yet delivering social protection remains an intractable challenge for governments in the Global South. In this article, we assess the performance of government‐run social assistance in Zimbabwe.
Tomy Ncube, Una Murray
wiley +1 more source
任意指定可控点时共轭曲面曲率修正的一般解法及其在尼曼蜗杆传动中的应用
共轭曲面的可控曲率修正计算是一项十分困难的问题,文献分别就弧齿锥齿轮的曲率控制问题进行了探讨。本文从一般的啮合理论出发,提出一种任意指定可控点时,共轭曲面曲率修正计算的一般方法,亦应用这种方法讨论了 Niemann 蜗杆传动的可控曲率修正问题。
高业田+3 more
doaj
了解东北虎(Panthera tigris altaica)的历史分布和数量动态对加速虎栖息地连通,恢复历史分布区,促进中俄共同保护野生东北虎集合种群具有重要的指导意义。20世纪初期,东北虎曾分布在俄罗斯远东地区南部、朝鲜半岛、中国长白山脉和松花江流域,数量近3 000只。猎捕和栖息地丧失导致东北虎数量急剧下降。20世纪40年代,远东地区东北虎数量仅剩锡霍特山脉中部的20~30只。20世纪中期以后,苏联政府采取了东北虎禁猎、禁捕令、扩大保护地和边境管控等综合保护措施,解除了东北虎的濒危状态 ...
王凤昆, 李 艳, 姜广顺
doaj
通过对老年黄斑变性(AMD)的流行病学、发病因素和视功能等综合研究,显示此病已成为对老年人值得注意的致盲眼病。虽然多数患者为AMD干性和尚有较好视力,但各种视功能测定显示可有不同程度损害。控制光损害和改善微量元素代谢有助于AMD的早期预防和治疗,此病也成为亚洲国家防盲的一项重要任务。
吴乐正
doaj
The Preoperative visit is crucial step in preoperative health education and nursing in the operating room. Communication and information exchange with patients and their families before surgery are carried out to enhance the trust between medical staff ...
YU Lu (于璐), ZHANG Lei (张磊)
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Large scale prevention programs for Thalassemia major or Sickle cell disease have already been set up in several places with high frequency of the deleterious genes.
D. Loukopoulos+2 more
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文章讨论了在数字通信系统中RS码的Step-by-step译码算法,给出了算法的基本原理并在现场可编程门阵列(FPGA)上实现了RS(7,3)码的编译码,给出了实际仿真的效果图。结果表明,所设计的电路能够纠正7位接收符号中的任意两位错误。采用此算法避开了求解错误定位多项式,使译码过程得以简化,并提高了译码速度,且易于用大规模可编程器件实现。
朱晓, 林基明, 杨鑫
doaj
Objective To evaluate the application effect of objective structured clinical examination (OSCE)-based advanced assessment combined with multimodal teaching methods in clinical nursing teaching, and provide a basis for improving teaching quality ...
DENG Lijun (邓丽君)+4 more
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Objective To use the Plan-Do-Check-Action(PDCA) cycle management model to reduce the number of nursing adverse events in home-based nursing of patients with indwelling gastric tubes.
ZHANG Yue (张悦)+1 more
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CONSORT 2025声明是当前国际上随机试验报告规范的最新版本,于2025年4月由全球顶级医学期刊(BMJ、JAMA、Lancet等)同步发布,该声明旨在提升随机试验报告的透明度、完整性和科学性,使研究结果更具可重复性和现实指导意义。相较于2010版,CONSORT 2025声明对既有条目和表述进行了优化,最显著的变化是新增了7个条目。其中,新增的条目8“患者及公众参与”,正式提出将患者及公众在临床试验全过程中的作用纳入报告的强制性要求。该条目规定,研究者需详细说明患者和(或)公众是在试验设计 ...
李辉1,2,谢雪微1,3 (LI Hui1,2, XIE Xuewei1,3 )
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