Results 111 to 120 of about 1,442,333 (142)

[Clinical analysis of 20 cases of small B lymphocyte proliferative disease with t (14;19) (q32;q13)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi, 2022
Yang H   +9 more
europepmc   +1 more source

绝缘体上硅的波导光栅耦合器及其制作方法

open access: yes
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
core  

半绝缘GaAs单晶化学配比的X射线双晶衍射Bond方法测量

open access: yes, 1998
利用X射线双晶衍射Bond方法,精确测量了各种条件下生长的半绝缘GaAs的晶格参数。建立了过量As在晶体中存在的间隙原子对模型,在理论上找到了影响半绝缘GaAs晶格参数的根本原因。并建立了半绝缘GaAs晶格参数与化学配比的关系,实现了化学配比的无损测量 ...
王玉田   +3 more
core  

[Directed differentiation of human induced pluripotent stem cells into midbrain]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao, 2023
Xu J   +8 more
europepmc   +1 more source

[Gut microbiota dysbiosis in type 1 diabetes mellitus: Impacts, mechanisms, and interventions]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Chen Q, Liu J, Jin Y, Gu Y.
europepmc   +1 more source

[Chinese guideline for diagnosis and treatment of transfusion dependent β-thalassemia (2022)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi, 2022
Red Blood Cell Diseases (Anemia) Group   +2 more
europepmc   +1 more source

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