Results 91 to 100 of about 491,542 (149)

[Study on electrospun film-covered tracheal stents with adaptive release of anti-inflammatory drugs driven by the piezoelectric effect]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang Z, Zhao F, Dai B, Wang F, Du T, Qiao A, Zhang Y.   +6 more
europepmc   +1 more source

平衡气体对乘波体气动特性影响的数值研究

, 2011
通过数值模拟的研究了高空高马赫来流条件下平衡气体效应对乘波体气动特性的影响，结果表明对于乘波体构型其前沿激波很弱，不足以压缩空气引起激烈的化学反应；平衡气体对乘波体气动性能的影响是通过边界层内的化学反应降低边界层诱导压力来实现。另外设计工况下平衡气体效应使得乘波体升阻比及俯仰力矩系数略微增加，压心略微向后行动；非设计工况下，相对攻角的影响，平衡气体效应引起的升阻比及俯仰力矩变系数化几乎可以忽略，但平衡气体效应引起的压心位置系数的变化却不可以忽略，这与平衡气体效应对再入飞行器的气动特性影响规律有很大区别 ...
曾卫刚, 李维东, 王发民, 雷麦芳   +3 more
core  

[Characterastics and determinants of upper airway collapse in OSA patients with different genioglossus negative pressure reflex patterns during DISE]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Zhou Y, Xu J, Cao X, Yin G, Zhang Y, Ye J.   +5 more
europepmc   +1 more source

[Expert Consensus on Shared Decision-making in the Diagnosis and Treatment 
of Ground-glass Opacity-featured Lung Adenocarcinoma]. [PDF]

Zhongguo Fei Ai Za Zhi
Zhao X, Cai J, Zhao D, Chen C, Compilation Committee of the Expert Consensus on Shared Decision-making in the Diagnosis and Treatment of Ground-glass Opacity-featured Lung Adenocarcinoma.   +4 more
europepmc   +1 more source

一种可产生超高速气流的电弧加热装置

, 2017
本发明公开了一种可产生超高速气流的电弧加热装置，包括：阴极、阳极喷管、绝缘件和金属套；阴极通过阴极卡件与绝缘件固定，金属套一端与绝缘件相连，另一端与阳极喷管卡接；金属套上设有进气口和排气口，阳极喷管包含喉道及供推进剂能量转换的扩张段；所述阳极喷管扩张段靠近喉道的位置设有将靠近阳极喷管壁附近的低速冷气体在喷出喷管前抽出的抽气通道，抽气通道与排气口连接；所述进气口与排气口外设置有质量流量计，与排气口连接的质量流量计还连接有排气真空泵 ...
潘文霞, 吴承康, 孟显
core  

[The guideline for the diagnosis and treatment of marginal zone lymphoma in China (2025)]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Hematological Oncology Committee of China Anti-Cancer Association, Lymphoid Disease Group, Chinese Society of Hematology, Chinese Medical Association, Lymphoma Expert Committee of Chinese Society of Clinical Oncology (CSCO), Chinese Workshop of Indolent Lymphomas.   +5 more
europepmc   +1 more source

[Safety and Clinical Benefit Analysis of No-chest-tube Strategy After Uniportal Video-assisted Thoracoscopic Pulmonary Wedge Resection Based on Propensity Score Matching]. [PDF]

Zhongguo Fei Ai Za Zhi
Lin C, Ning Y, Ma S, Tang J, Jin L, He W, He H, Qiang G.   +7 more
europepmc   +1 more source

[Pulmonary branch embolism after short<b>-</b>term spinal cord stimulation for zoster<b>-</b>associated pain: Two cases and a literature review]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Gai Q, Zhang Y, Li H, Ke D, Feng Z.
europepmc   +1 more source

Insulator detection robot

, 2009
本实用新型涉及移动检测机器人,具体地说是一种绝缘子检测机器人,包括第一履带轮、箱体、第二履带轮、变距伸缩机构及探头驱动机构,箱体上安装有变距伸缩机构,第一、二履带轮位于箱体的两侧、分别与变距伸缩机构相铰接,第一、二履带轮上分别连接有第一、二行程传感器;箱体的下方设有探头驱动机构。本实用新型采用能够伸缩变化的变距伸缩机构,能适应双联水平绝缘子串的距离变化,安全保护性好,行走速度快,上串操作简单,对绝缘子涂层磨损小,探头搭接可靠 ...
景风仁, 王洪光, 房立金, 何立波, 张宏志, 隋春平   +5 more
core  

[Bone marrow infiltration of large B-cell lymphoma with clinical manifestations similar to systemic lupus erythematosus: A case report]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Ma D, Ma X, Chang T, Wang L, Ding Y, Shi L.   +5 more
europepmc   +1 more source