Results 111 to 120 of about 39,298 (172)

选用河南巩县燧石作球磨机石衬的运行试验

open access: yesDianci bileiqi, 1984
球磨机是陶瓷工业制泥生产的主要设备,机内腔衬石的理化性能与球磨机的研磨寿命以及加工材质的稳定有着密切的关系.本文着重介绍用不同材料作球磨机内衬对使用寿命的影响.
赖德魁
doaj  

Detection and clinical application of red blood cell survival. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Huang S, Yang J, Yang Y, Li J.
europepmc   +1 more source

[β-sitosterol, an important component in the fruits of <i>Alpinia oxyphylla</i> Miq., prolongs lifespan of <i>Caenorhabditis elegans</i> by suppressing the ferroptosis pathway]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Li J   +12 more
europepmc   +1 more source

[The life span of red blood cell in patients with severe/very severe aplastic anemia]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi, 2018
Ye L   +11 more
europepmc   +1 more source

基于电流监测和动态电阻分析的电容器组SF6断路器电寿命评估系统

open access: yesGaoya dianqi
电容器组SF6断路器电寿命状态监测工作对保障电网安全可靠运行意义重大。文中融合触头磨损计算方法和动态电阻分析法对SF6断路器电寿命进行评估,提出SF6断路器电寿命评估判据,首先基于断路器电流监测数据计算断路器触头磨损,对断路器电寿命状态进行判断预测,再利用动态电阻分析法印证判断出SF6断路器的真实状态,兼顾触头磨损计算法的实时性和动态电阻法的准确性。基于所提判据,研发了一套融合触头磨损和动态电阻的SF6断路器电寿命评估系统。该系统可基于断路器投切数据和动态电阻准确地评估SF6断路器的电寿命 ...
陈磊   +5 more
doaj  

[Analysis of the disease burden of Burkitt lymphoma in China from 1990 to 2021]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Zheng CH   +8 more
europepmc   +1 more source

[A conceptual framework for dynamics of cccDNA in hepatitis B virus]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi, 2023
Hu JL, Huang AL.
europepmc   +1 more source

[Trends in burden of osteoporosis in China from 1990 to 2023 and analysis of epidemiological factors]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wu Y   +5 more
europepmc   +1 more source

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