Results 91 to 100 of about 1,811 (225)

Responses of plasma transaminase activity in Cyprinus carpio var. communis to mercury toxicity [PDF]

open access: yes, 2002
The present study reports the behavioural and enzymological responses in a freshwater teleost fish, Cyprinus carpio var. communis, exposed to acute and sublethal toxicities of mercuric chloride.
Ramanujam, M., Ramesh, M., Sampath, H.
core  

某252 kV HGIS母线隔离开关故障的原因分析

open access: yesGaoya dianqi, 2021
为了确定某252 kV HGIS母联三工位隔离开关动触头卡滞故障的原因,避免类似事件再次发生,文中通过现场检测、返厂解体与试验和理论计算等手段,对造成该事故的原因进行了详细分析。分析表明:动触头及静触座尺寸超差使动触头导体卡滞,无法操作,最终导致齿轮轴与齿轮咬合的平键处承受的力矩大于许用剪切力,最后被切断。
李爽   +4 more
doaj  

Association between hemoglobin glycation index and non-alcoholic fatty liver disease. [PDF]

open access: yesFront Endocrinol (Lausanne), 2023
Xing Y, Zhen Y, Yang L, Huo L, Ma H.
europepmc   +1 more source

Harms and benefits of the haemoglobin glycation index (HGI) [PDF]

open access: yesEuropean Journal of Preventive Cardiology, 2017
Claire, Carette, Sébastien, Czernichow
openaire   +2 more sources

HGI, l' herbari de la Universitat de Girona

open access: yesRevista de Girona, 1996
Descripció de l'herbari de la Universitat de Girona, fundat l'any 1976 pel Dr.
Font, Joan   +3 more
openaire   +2 more sources

关于220kV HGIS交流耐压试验放电及故障分析

open access: yesGaoya dianqi, 2013
HGIS现场安装后,使用变频串联谐振方法进行交流耐压试验是比较有效的检测手段,通过耐压试验可以发现安装质量问题;文中的两起放电故障是通过耐压试验发现的,根据对放电原因的分析,区分放电性质,检测出故障部位,保证安装质量。
程绍伟, 金大鑫, 张楠
doaj  

EVOLUÇÃO DOS LIMITES DISTRITAIS DA CIDADE DO RIO DE JANEIRO, UM RECORTE DO SÉCULO XX

open access: yesRevista Brasileira de Cartografia, 2019
A cidade do Rio de Janeiro, desde sua fundação, passou e passa por profundas mudanças em sua organização espacial. Diante deste fato, o presente trabalho desenvolverá a evolução administrativa dos distritos da cidade do Rio de Janeiro através de um ...
Kairo da Silva Santos   +2 more
doaj  

南阳站1100kV HGIS VFTO仿真

open access: yesGaoya dianqi, 2013
对隔离开关操作引起的VFTO进行仿真是实现合理的绝缘配合及建设坚强特高压电网的重要课题。针对1 000 kV南阳开关站的HGIS布置,对隔离开关操作引起的VFTO进行了计算分析,计算结果表明,隔离开关中电阻对VFTO具有显著的抑制作用。南阳开关站隔离开关带有500Ω抑制电阻,在最苛刻条件下关合GIS中的VFTO幅值最大为1 266.6 kV,远低于其额定雷电冲击耐受水平2 400 kV;关合一次抑制电阻吸收的能量远低于其额定热容量,因此南阳开关站的隔离开关可以可靠操作。
魏长宇   +6 more
doaj  

Mapping the landscapes of the Stalinist mass repressions. [PDF]

open access: yesOpen Res Eur, 2022
Pallot J, Gavrilova S.
europepmc   +1 more source

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