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目的分析泪小管断裂吻合术不同泪道支撑管的效果及影响效果的因素。方法回顾性病例研究。以2019年1月至2020年1月开封眼病医院泪小......

目的探讨泪道探通引导针联合Ritleng泪道支撑管置管术治疗鼻泪管阻塞的效果。方法回顾性系列病例研究。收集同济大学附属同济医院2......

1.0 Introduction　　1.1Definition　　In geometry， a torus is generated by revolving a circle in three-dimensional space a......

My husband and I dated for six years before we got married. And we’d known each other for four years before that. We we......

目的观察线性硅胶管置管术治疗泪小管断裂的效果。方法对2009年8月至2013年10月我院眼科收治的泪小管断裂95例(95只眼)的资料进行......

The inclined six-roll tube straightener is an important equipment for the finishing line. It can not only straighten the......

Tube hydroforming technology has shown the attention of the automotive industry due to its advantages over conventional ......

目的 观察两种治疗陈旧的下泪小管断裂的手术方式的效果.方法 回顾性分析在我院就诊的36例陈旧的下泪小管断裂,分别采用经上泪点和......

目的 观察双路环形硅胶管置入泪道在眼烧伤中对于泪点保护的临床效果。方法 眼烧伤并有眼睑烧伤住院者35例（41眼）。采用双路环形硅胶......

目的 评价新型隐匿性泪道支撑管置入治疗儿童外伤性泪小管断裂的效果.方法 采用全身麻醉,以新型隐匿性泪道支撑管为载体手术显微镜......

目的 探讨新型泪道扩张引流管在泪道阻塞性疾病中的临床应用和疗效.方法 回顾性病例系列研究.33例(37眼)中男7例(7眼),女26例(30眼......

卧式锅壳式锅炉烟管泄漏是检验中比较常见的问题,其泄漏点往往是后管板的高温区,这一区域的温度往往可以达到800℃,针对不同的烟管......

为获取更多惯性约束聚变内爆运动信息和测量聚变燃烧阶段等离子体的时空特性,以微通道板(MCP)选通分幅变像管为基础,采用电子束时......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

Background:A limitation of bronchoscopic balloon dilatation (BBD) is that airflow must be completely blocked for as long......

目的 分析肠梗阻导管(IT)联合生长抑素(SS)对重症急性胰腺炎(SAP)患者的作用效果.方法 在常规处理的基础上,75例SAP患者按治疗方法......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

利用X射线衍射技术研究冷拔+中间退火2169N奥氏体不锈钢管材的织构转变,及其对管材扩口性能的影响。结果表明,2169N钢的层错能为27......

It has been shown that thin-walled hyperelastic tubes could bulge under inflation.In this paper we investigate the possi......

目的 通过与DSA血管造影对照,对320层CT肺双入口灌注成像技术(dual-input lung perfusion CT,DICTp)检出和定位肺结核伴咯血患者肺......

Experiment on seamless tubes of aluminum alloy A6063 with initial thickness deviation of 0-20% was conducted through a f......

A mathematical model is formulated to predict the shape evolution and the final geometry of a tubular product prepared b......

Process of warm tube hydroforming was experimentally investigated for forming an AZ31B magnesium alloy tubular part with......

精馏塔再沸器运行工况并不苛刻，腐蚀程度轻微，工艺介质中亦没有引起环境开裂的典型介质，管板与管束连接角焊缝却频繁开裂泄漏，严重影响......

A new method of infiltration-diffusion is used to synthesize macroscopic α-Zr(C6H5PO3)2 (α-ZrBP) tube. Compared to the......

A new tube inversion method called guided tube inversion ( GTI),which is based on traditional axial compression inversio......

目的：探讨在胸水中检测抗原诱发的γ-干扰素释放反应（ IGRA）在结核性胸膜炎中的诊断价值。方法选取河南省胸科医院胸腔积液患者65例，根......

Under the aerated conditions of wall and top intube, the turbulent flow in the tube was measured by usingLDA. The turbul......

提出了低温多效蒸馏(LT-MED)蒸发器一种分块式布管的数学模型。以此数学模型为基础,采用Visual Basic可视化编程技术开发了LT-MED......

卡套接头与其连接管的连接是一种特殊密封结构,针对其匹配密封性,在气压、水压检验基础上提出了更严格的密封性检漏要求,要求在充......