Results 61 to 70 of about 60,450 (97)

气控气球式高压粉料连续加料技术

open access: yes, 1994
本工作研制厂一种气控气球式高压粉料连续加料器.其工作原理是利用输料管中高压气球的放气与充气来代替机械阀门的开与关.输料管中等距离放置一连串气球,用定时计控制的电磁阀-高压气路,使奇数位及偶数位两组气球交替发生充气和放气,从而使粒状物料从气球上逐级下落,从常压容器连续不断输入高压容器或从高压容器连续不断输入低压容器。此种加料装置与以往的螺旋杆加料器及星形轮旋转加料器相比,具有操作简单,可连续加料,对粉料无磨损 ...
李洪钟   +4 more
core  

[Expert consensus on the clinical treatment of burn patients complicated with Coronavirus infection (2023 version)]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2023
Chinese Burn Association   +2 more
europepmc   +1 more source

[Effect of intraoperative ultrasound-guided nasal fracture repair on postoperative child satisfaction and nasal function]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Li C, Li Y, Seng D, Xu Y, Ji Z.
europepmc   +1 more source

第二届建筑结构抗倒塌学术交流会(第二号通知)

open access: yes, 2012
<正>2012年11月3日-4日中国上海主办单位:中国工程院土木、水利与建筑工程学部中国建筑学会抗震防灾分会承办单位:同济大学土木工程学院建筑工程系会议主题:房屋建筑及其它结构抗倒塌研究现状分析;偶然外部作用下结构倒塌过程数值模拟;偶然外部作用下结构抗倒塌性能试验研究;房屋建筑及其它结构抗倒塌设计方法;基于倒塌分析的区域防灾规划 ...

core  

[Short-term effectiveness of femoral neck system in the treatment of femoral neck fracture]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2021
Yang Y   +5 more
europepmc   +1 more source

[Comparison of femoral neck system and inverted triangle cannulated screws fixations in treatment of Pauwels typle femoral neck fractures]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2021
Yang J   +11 more
europepmc   +1 more source

[Application of Curved Diffusion Needle in unilateral percutaneous vertebroplasty]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2021
Huang H   +6 more
europepmc   +1 more source

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