Results 111 to 120 of about 4,952 (157)

[Association between Y chromosome microdeletions and tes-ticular development in male pediatric patients with congenital reproductive system diseases]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Liang Y, Lyu Y, Huang Y, Li P, Xu W, Chen F.   +5 more
europepmc   +1 more source

[Progress in diagnosis and treatment of RAS-related autoimmune lymphoproliferative disorder]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Ren JN, Wan Y, Zhu XF.
europepmc   +1 more source

基于红外热波技术的电瓷材料孔洞缺陷检测研究

Dianci bileiqi
为了解决现有无损检测技术在检测电瓷材料孔洞缺陷中的局限性，提出采用红外热波技术对电瓷材料孔洞缺陷进行检测研究。基于热传导定律，推导了红外热波技术原理，根据热波的独立性和衰减性等数理特性，提出了采用非负矩阵分解和快速傅里叶变换的热波特征提取方法，并重构了相应的特征热图。对制备的含人工孔洞缺陷瓷套样品进行检测研究，得到了不同表面发射率瓷套的检测特点，得出了表面发射率对红外热波检测效果的影响规律。基于非负矩阵分解特征图、相位图和幅值图等重构特征热图，消除了不均加热影响，提升了红外热波技术的检测能力。研究表明 ...
岳永刚, 范永强, 涂彦昕, 曹彬, 王黎明   +4 more
doaj  

[Neurodevelopmental assessment of children with congenital heart disease: a Meta analysis based on the Bayley Scales of Infant Development and Wechsler Intelligence Scale]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Sun MT, Luo MJ, Tang JP, Chen Y, Chen KB, Zou Q, Ruan XR, Peng Y, Li ZW, Wen YT, Zhou CL, Wang TT, Qin JB.   +12 more
europepmc   +1 more source

超特高压环氧绝缘件超声检测技术及典型缺陷声学回波特征分析

Dianci bileiqi
超特高压环氧绝缘件内部缺陷的可靠检测对于保障电力设备安全可靠运行具有重要意义。文中提出基于超声脉冲反射法实现超高压环氧绝缘件内部气孔、气隙、密度不均等缺陷的有效检出。论文基于声场仿真技术分析多时空尺度下超声波在环氧复合材料内的传播规律，探寻影响环氧复合材料内部缺陷检测灵敏度的关键因素，掌握不同缺陷直径、尺寸、深度下超声回波信号的特征。为验证理论分析有效性，搭建了超声检测试验平台并对特高压盆式绝缘子典型缺陷试样进行了相关的检测试验 ...
陈田, 胡睿智, 魏鼎欣, 梁新钰, 刘鹏, 陈宸   +5 more
doaj  

[Defect modification of calcium silicate and its application in oral bacteriostasis and tooth remineralization]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Hu Y, Zhang S, Zhang J, Luo H, Li Y, Zhang J, Chen X.   +6 more
europepmc   +1 more source

[Chinese expert consensus on the diagnosis and treatment strategies for refractory/resistant cytomegalovirus infection in immunocompromised populations (2025)]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Infectiology Group, Chinese Society of Hematology, Chinese Medical Association, Chinese Society of Organ Transplantation, Chinese Society of Clinical Oncology Leukemia Expert Committee, Guangdong Medical Association of Respiratory Medicine, Guangdong Association of Primary Medicine Immunodeficiency Committee.   +6 more
europepmc   +1 more source

[Chinese guideline on the diagnosis and treatment of adult primary immune thrombocytopenia (2025)]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Thrombosis and Hemostasis Group, Chinese Society of Hematology, Chinese Medical Association.   +2 more
europepmc   +1 more source

[Effect of porous surface structure on fatigue strength of 3D printed zirconia]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Zhao J, Ding Q, Li W, Ma Q, Lan Y, Zhang L, Han J.   +6 more
europepmc   +1 more source

[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