Results 101 to 110 of about 495,646 (142)

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  

[Construction norms for the tiered diagnosis and treatment and standardized management center of metabolic-associated fatty liver disease]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Fatty Liver and Alcoholic Liver Disease Study Group   +2 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy