Results 91 to 100 of about 439,015 (121)

[The value of tonsil ultrasound measurement in pediatric obstructive sleep apnea]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Zeng Z   +8 more
europepmc   +1 more source

高功率非对称宽波导980nm半导体激光器结构

open access: yes
一种高功率非对称宽波导980nm半导体激光器结构,包括:一衬底,为(100)面的N型镓砷材料,该衬底用于在其上外延生长激光器各层材料;一缓冲层,为N-镓砷材料,该缓冲层制作在衬底上;一N型下限制层,为N-铝镓砷材料,该N型下限制层制作在缓冲层上;一下波导层,为N-铝镓砷材料,该下波导层制作在下限制层上;一下垒层,为镓砷磷材料,该下垒层制作在下波导层上;一量子阱层,该量子阱层制作在下垒层上;一上垒层,该上垒层制作在量子阱层上;一上波导层,该上波导层制作在上垒层上;一P型上限制层,为P-铝镓砷材料 ...
王俊, 马骁宇, 王冠, 崇锋
core  

[B-acute lymphoblastic leukemia transformed from chronic neutrophilic leukemia: a case report]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Wei Y, Wang YZ, Duan WB, Jiang Q.
europepmc   +1 more source

[D-wave-guided navigation in spinal cord surgery: From monitoring to decision-making]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Li J, Xi J, Jiang X.
europepmc   +1 more source

[Clinical analysis of nusinersen for spinal muscular atrophy types 2 and 3 in children]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Duan HL   +6 more
europepmc   +1 more source

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