Results 61 to 70 of about 1,007 (106)

[Clinical application value of detecting the mutation load of the FLT3-ITD gene before allogeneic hematopoietic stem cell transplantation using PCR-NGS technology]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Shao YC   +11 more
europepmc   +1 more source

裂纹形状和激振位置对瓷支柱绝缘子振动检测的影响研究

open access: yesGaoya dianqi
根据变电站瓷支柱绝缘子带电检测缺陷的实际需求,以220 kV瓷支柱绝缘子为研究对象,深入研究了裂纹长度、裂纹形状和激振位置对瓷支柱绝缘子振动检测的影响。首先阐述了瓷支柱绝缘子内部缺陷振动检测的基本原理,然后建立瓷支柱绝缘子有限元数值分析模型,利用脉冲信号模拟锤击进行瞬态分析,并搭建实验平台进行测试分析。仿真和实验结果表明:裂纹长度越大,在功率谱图上表现为正常频率区间内的峰值降低,故障区间内的峰值所对应固有频率左移,激振点远离裂纹侧时波峰的加速度响应谱值出现小幅度的减小 ...
董国振   +5 more
doaj  

[Network analysis of the relationship between perfectionism traits and mobile phone dependence among Chinese university students]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Liu Z   +7 more
europepmc   +1 more source

[Puerarin alleviates rheumatoid arthritis in rats by modulating TAK1-mediated TLR4/NF-κB signaling pathway]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Xu M   +9 more
europepmc   +1 more source

[Guideline for the diagnosis and treatment of chronic myeloid leukemia in China (2025)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Chinese Society of Hematology   +1 more
europepmc   +1 more source

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