Results 91 to 100 of about 1,504,001 (137)

[Expert consensus on clinical pathway of high-conformity total knee arthroplasty under the enhanced recovery after surgery protocol]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Expert Consensus Development Group On Clinical Pathways For High-Conformity Total Knee Arthroplasty Under The Enhanced Recovery After Surgery Protocols   +1 more
europepmc   +1 more source

生物质流化床空气-水蒸气气化模型研究

open access: yes, 2007
根据流化床反应器特点,结合生物质气化动力学反应机理,建立了生物质在流化床内气化的等温稳态、一维二相动力学模型。该模型所做的主要假定如下:流化床分为气泡相和乳相,在气泡相和乳相内均存在化学反应,考虑二相内的轴向气体扩散,生物质热解过程瞬时完成,主要考虑焦碳以及CO,CO2,H2,H2O,CH4等在流化床内发生的8个主要化学反应。数学模型属于常微分方程组边值问题,利用数值计算软件M atlab7.0进行编程求解。以木粉为原料,将模型结果与实验结果进行了对比,模拟结果与试验数据符合良好 ...
吴创之   +4 more
core  

浅流化床的热响应

open access: yes, 1983
众所周知,流化床中气体一颗粒的传递过程和反应过程,主要发生在分布板区。而浅层流化床正具备了分布板区的许多优点,它在涉及热过程的领域中,已经显示了广阔的应用前景。 为了考察浅层床中气体一颗粒间的传递特征,本文从气体一颗粒传热入手,采用热响应的实验技术,测定了气-固系浅流化床(L/D_T=0.045~0.17)内空气-海砂的表观传热系数,同时求算了相应的浓相区传热系数,并表述了传热系数随床深的变化趋势。从实用角度,本研究最终将表明,在较浅的颗粒床层中,能给出较大的传热速率但床层压降较小 ...
罗保林
core  

[Medical treatment of portal hypertensive bleeding in cirrhosis]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Zheng LH, Zhou XM.
europepmc   +1 more source

[Research progress on clinical transformation of Piezo1 in osteoarthritis]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang Y, Wei N, Zheng Z.
europepmc   +1 more source

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