Results 151 to 160 of about 32,420 (170)

基于超声导波的盆式绝缘子缺陷检测衰减率变化规律研究

Dianci bileiqi
盆式绝缘子是GIS设备的关键设备，盆式绝缘子的健康状况对GIS以及电网安全运行具有重要影响。文章对超声导波检测盆式绝缘子缺陷进行有限元仿真，并搭建基于超声导波的盆式绝缘子缺陷检测平台，对不同偏移角度的裂纹缺陷和不同排列方向、数量的孔洞缺陷进行检测，来探究在不同角度缺陷和不同数量缺陷下，超声导波检测盆式绝缘子缺陷时的衰减率变化规律，发现裂纹偏移角度（较水平方向）越大，导波幅值衰减率越大，孔洞数量越多，导波信号幅值衰减率逐渐增大，并且，纵向排列的孔洞信号幅值衰减率要比横向排列方向要快。
李阳, 王少华, 王延瑞, 张晓林, 倪早怀, 张洪涌, 陈科达, 王哲, 王健   +8 more
doaj  

[Chinese expert consensus on the diagnosis and treatment of human immunodeficiency virus infection related diffuse large B cell lymphoma (2025)]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Lymphoid Disease Group, Chinese Society of Hematology, Chinese Medical Association, Lymphoma Integrative Rehabilitation Professional Committee of Chinese Anti-Cancer Association (CACA), Central and Western China AIDS Lymphoma League (CALL), Lymphoma Expert Committee of Chinese Society of Clinical Oncology (CSCO).   +5 more
europepmc   +1 more source

[Common variable immunodeficiency with JAK3 mutation: a case report]. [PDF]

Zhonghua Xue Ye Xue Za Zhi, 2022
Cai W, Wang FT, Ma LL.
europepmc   +1 more source

[Combined oxidative phosphorylation deficiency type 7 caused by <i>C12orf65</i> gene mutations: a case report and literature review]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Chen XY, Zhu YJ, Deng J, Ma YL, Suo JF, Wang Y, Ma YN.   +6 more
europepmc   +1 more source

[Recent advances in the genetic etiology of central precocious puberty]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Zhang YY, Luo FH.
europepmc   +1 more source

[Pedigree analysis of novel missense mutations causing hereditary coagulation factor Ⅴ deficiency]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Qin LY, Chen Y, Hou LL, Jin YH, Lu YF, Zhang K, Wang MS.   +6 more
europepmc   +1 more source

[Analysis and prediction of the disease burden of attention-deficit/hyperactivity disorder in Chinese children and adolescents from 1990 to 2021]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Jia R, Han F.
europepmc   +1 more source

A homogenization method on crack growth on orthotropic steel decks [PDF]

, 2018
Chen, A., De Backer, Hans, Wang, Benjin
core   +1 more source

[Relationship between polygenic risk scores for various psychiatric disorders and clinical and neuropsychological characteristics in children with attention-deficit/hyperactivity disorder]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wu ZM, Wang P, Dong C, Cao XL, Hu LF, Kou C, Jiang JJ, Zhang LL, Yang L, Wang YF, Li Y, Yang BR.   +11 more
europepmc   +1 more source

Facial expression recognition ability and its neuropsychological mechanisms in children with attention deficit and hyperactive disorder. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Chen Y, Ma Y, Fan X, Lyu J, Yang R.
europepmc   +1 more source