Results 71 to 80 of about 40,487 (127)

后弯管波力发电浮标模型性能试验研究

open access: yes, 1997
为改进后弯管波力发电浮标的性能,对多种模型进行了新一轮试验研究。测定了它们的气室平均输出气流功率随波周期的变化曲线NA-T;试验了不同质量对性能的影响;测出了不同喷咀比ε的波高比Hi/Ho、压力比ΔPi/Ho和波能转换效率ηA。确定了最佳浮体——前方后园浮室后伸型后弯管浮体的尺寸 ...
王伟, 杜彬, 梁贤光, 蒋念东
core  

[Safety and efficacy of pulsed radiofrequency therapy for zoster-associated trigeminal neuralgia under general anesthesia]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Zhang J   +9 more
europepmc   +1 more source

Method and equipment for measuring and calculating curvature radius of quenched bent rib

open access: yes, 2000
该装置属于一种高精度量算弯淬肋骨的方法及装置,其装置由限位机构及油缸、中频水冷变压器、冷却水套中频感应线圈、压型位置给定机构及光栅尺组成,利用压型辊与光栅尺之间的型弯曲使位置给定机构与垂线之夹角改变以光栅尺测出,通过计算机可测出曲率半径R。优点:弯淬肋骨结构简单,安装测量使用方便,弯淬肋骨曲率半径测量精度高,计算方法简单,适合制造各种舰船弯淬肋骨时使用,可构成闭环控制系统 ...
刘国旺
core  

[Personalized reconstruction of post-traumatic calcaneal osteomyelitis with deformity using Ilizarov technique: a report of seven cases]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhang L   +8 more
europepmc   +1 more source

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