Results 91 to 100 of about 1,179,776 (149)

基于绝缘硅的微环谐振可调谐滤波器

, 2011
采用电子束光刻和感应耦合等离子刻蚀等工艺,研制了一种基于绝缘硅材料的的微环谐振可调谐滤波器.滤波器微环半径为5μm左右,波导截面尺为(350~500nm)×220nm不等.测试结果表明,波导宽度为450nm时器件性能最为理想,其自由频谱宽度为16.8nm,1.55μm波长附近的消光比为22.1dB.通过对微环滤波器进行热光调制,在21.4℃~60℃温度范围内实现了4.8nm波长范围的可调谐滤波特性,热光调谐效率达到0.12nm/℃.研究了基于单环和双环的多通道上下载滤波器 ...
吴远大, 李建光, 王红杰, 胡雄伟, 李帅, 安俊明, 尹小杰   +6 more
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[Radiological characteristics and associated factors of single-level cervical disc herniation combining with focal ossification of posterior longitudinal ligament]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Ye Y, Zhang M, Ren M, Xu C, Zhou P, Zhang C.   +5 more
europepmc   +1 more source

[Study on the electric field transmission characteristics of conducted-electrode tumor treating fields]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu K, Zhang J, Shi J, Fang H, Li X.
europepmc   +1 more source

[Swin-ResViT network for real-time generation of high-quality localization MR images from low-quality cine-MR]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Chen B, Wang X, Zhao X, Song T, Li Y.
europepmc   +1 more source

[How I diagnose and treat chronic myelomonocytic leukemia]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Xiao ZJ.
europepmc   +1 more source

[Research progress of electroactivity graphene-based materials in bone repair]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Kang R, Yuan W, Zhu Y.
europepmc   +1 more source

[First-line treatment for chronic graft-versus-host disease: a real-world study]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Dong XQ, He YD, Huang SQ, Wang XQ, Huang RH, Zhang X.   +5 more
europepmc   +1 more source

Insulator detecting robot mechanism

, 2016
本发明涉及移动机器人机构，具体地说是一种绝缘子检测机器人机构。包括开合机构、检测机构及多组运动部件，其中多组运动部件沿圆周方向均布于开合机构上，所述检测机构设置于开合机构或者任意一组运动部件上；在对绝缘子串进行检测时，通过多组运动部件在绝缘子串上爬行、并通过检测机构对绝缘子串进行检测。所述开合机构具有采用具有自锁性的蜗轮蜗杆结构，所述多组运动部件的结构相同，均包括上连杆、第二旋转关节、上轮腿、下连杆、第三旋转关节及下轮腿，所述上轮腿和下轮腿结构相同。本发明对不同类型的绝缘子适应性强，运动速度快 ...
常勇, 王洪光, 景凤仁, 刘爱华, 潘新安   +4 more
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[The guideline for the diagnosis and treatment of marginal zone lymphoma in China (2025)]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Hematological Oncology Committee of China Anti-Cancer Association, Lymphoid Disease Group, Chinese Society of Hematology, Chinese Medical Association, Lymphoma Expert Committee of Chinese Society of Clinical Oncology (CSCO), Chinese Workshop of Indolent Lymphomas.   +5 more
europepmc   +1 more source

绝缘体上硅的波导光栅耦合器及其制作方法

一种绝缘体上硅的波导光栅耦合器，所述耦合器采用绝缘体上硅材料，包括：一衬底；一限制层，该限制层制作在衬底上；一波导层，该波导层制作在限制层上，该波导层上面的一端横向制作有衍射光栅；一光子器件 ...
俞育德, 李智勇, 周亮, 余金中
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