Results 61 to 70 of about 2,048 (132)

[A high temporal resolution dynamic T₂*W imaging study based on step oxygen stimulation of rat kidneys]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Sun S, Tao Q, Zhao K, Hu Q, Feng Y.
europepmc   +1 more source

[Simulation analysis of adaptability of large airborne negative pressure isolation cabin to aviation conditions]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Guo L, Li F, Jiang L, Du H, Xue B, Yong W, Jiang Y, Zhang M.   +7 more
europepmc   +1 more source

[Simultaneous determination of 50 veterinary drug residues in fish， shrimp， and crabs using a composite purification column-ultra-performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Deng HD, Ji XF, Xiao YP, Xia Q, Yang H.
europepmc   +1 more source

风洞试验绳牵引并联支撑系统流致振动研究 Flow Induced Vibration Research about the Application of Cable-Driven Parallel Manipulator in Wind Tunnel

, 2017
胡正红, 彭苗娇, 冀洋锋, 林麒, 王晓光   +4 more
semanticscholar   +1 more source

[Neurodevelopmental outcomes in different types of neonatal stroke]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Miao JW, Song J, Zhang YH, Zhang XL, Yang LX, Wang YB, Zhu Y.   +6 more
europepmc   +1 more source

不同组立状态下特高压酒杯塔力学特性分析

Gaoya dianqi
特高压大跨越酒杯塔因其较大的塔头尺寸、特殊的曲臂结构，使得该类铁塔的组立工程相比一般铁塔的组立施工，难度更大、要求更高。为保障此类铁塔组立工程的安全高效开展，本文以某1000kV单回路大跨越酒杯型钢管塔为研究对象，建立模块化铁塔有限元模型，对组立至不同状态时的铁塔结构进行模态分析，获取其固有力学特性；考虑高度对风速的影响，对铁塔风荷载进行精确计算，研究风荷载及重力荷载共同作用下不同组立状态时铁塔结构的力学特性。结果表明：整塔的前6阶振型主要表现为塔头及塔身弯曲和扭转的特点，且随着铁塔组立高度的增加 ...
王爽, 刘铃, 唐波, 马天缘, 韩启云, 吴明春   +5 more
doaj  

[Association of Rest-Activity Rhythm With the Risk of Rheumatoid Arthritis and Effect Modification by Genetic Susceptibility]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Wang L, Xu H, Wu G, Guo B, Xiao X, Zhao X, Zhang J.   +6 more
europepmc   +1 more source

[How I treat vasovagal syncope in children]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Zou RM, Wang C.
europepmc   +1 more source

[Determination of 26 herbicide residues in soil， sediment， and surface water samples using modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Zhao L, Ma L, Huang LQ, Chen JB, Zhu WF.
europepmc   +1 more source

[Determination of eight per- and polyfluoroalkyl substances in seawater using dispersive membrane extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Ren Z, Ma JP, Liu YJ, Zhang L, Wu GG, Li S.   +5 more
europepmc   +1 more source