Results 111 to 120 of about 34,085 (172)

[Association Between T Lymphocyte Mitochondrial Function and Disease Activity in Anti-NMDAR Encephalitis]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Ma Y   +7 more
europepmc   +1 more source

[Expert consensus on the "Four-Level and Dual-Axis" comprehensive diagnostic and therapeutic system for prosthetic rehabilitation of oral diseases]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Expert Group of “Expert Consensus on the ‘Four-Level and Dual-Axis’ Comprehensive Diagnostic and Therapeutic System for Prosthetic Rehabilitation of Oral Diseases”.
europepmc   +1 more source

荒漠河岸植被的受损过程与受损机理分析

open access: yes, 2006
以塔里木河多年平均地下水位数据为依据,将地下水位划分为6个环境梯度,各梯度上6次重复采集植被样地数据。从物种多样性、植被盖度与群落类型等几方面分析了植被的受损过程,以及导致此过程的受损机理。结果表明:(1)草本植物丰富度受损发生在地下水埋深大于4 m,而木本植物丰富度受损发生在地下水埋深大于8 m。(2)植被盖度减少始于草本植物盖度受损,与群落多样性受损的临界地下水位相同,发生在地下水埋深大于4 m;在地下水埋深大于6 m之后,植被盖度不断减少则是由木本植物盖度的减少所引起。(3 ...
陈永金   +3 more
core  

[SENP1 reduces ferroptosis of thyroid cancer cells by regulating hypoxia-inducible factor-1α]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Zhu F, Yan N, Yang J, Chen X, Wang Y.
europepmc   +1 more source

可磨耗封严涂层的摩擦磨损和抗冲蚀性能

open access: yes, 2012
可磨耗封严涂层在航空发动机中应用广泛,本文对Ni/石墨、AlSi/石墨、Ni/h-BN和AlSi/h-BN涂层的摩擦磨损性能和抗冲蚀性能进行了研究。结果表明:非金属相对涂层的摩擦磨损性能起决定性作用,以石墨为造孔填充相的涂层具有低的摩擦系数和优良的摩擦磨损性能。涂层的抗冲蚀性能取决于涂层的金属相,在冲蚀试验中,AlSi/石墨和AlSi/h-BN涂层在比Ni/石墨和Ni/h ...
杜令忠, 张伟刚, 周奎, 刘伟
core  

Flash损耗均衡的嵌入式文件系统设计

open access: yes, 2011
引言嵌入式系统的海量存储器多采用flASH存储器实现扩展,由于flASH存储器具有有限写入次数的寿命限制,因此对于flASH存储器局部的频繁操作会缩短flASH存储器的使用寿命[1]。如何设计出一个合理的、针对嵌入式应用的文件系统,实现flASH存储器的损耗均衡 ...
张剑伟
core  

[Research on a muscle fatigue quantification based on an improved critical power model]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wu X, Shang J, Niu X, Lin H, Du Y.
europepmc   +1 more source

[Construction of an Early-stage Risk Prediction Model for Trauma-Induced Coagulopathy]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Xu X   +7 more
europepmc   +1 more source

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