Results 11 to 20 of about 469 (107)

Analysis of doxorubicin and fullerenol in rat serum by micellar electrokinetic capillary chromatography [PDF]

open access: yesActa Pharmaceutica
A new micellar electrokinetic capillary chromatographic (MEKC) method has been developed and optimized for simultaneous quantitation of doxorubicin (Dox) and fullerenol (Frl) in rat serum.
Injac Rade   +2 more
doaj   +4 more sources

ВИЗНАЧЕННЯ РИСПЕРИДОНУ В БІОЛОГІЧНОМУ МАТЕРІАЛІ МЕТОДОМ УЛЬТРАЕФЕКТИВНОЇ РІДИННОЇ ХРОМАТОГРАФІЇ [PDF]

open access: yes, 2016
Introduction.  Risperidone is an antipsychotic medication from neuroleptic  group. It used to treat schizophrenia, psychotic depression, manic symptoms and autism.
Trush, H. S., Halkevych, I. Y.
core   +2 more sources

Diagnostic analysis and protective measures of transient ground potential rise in a 1000 kv UHV substation

open access: yesThe Journal of Engineering, 2019
With the continuous expansion of power grid capacity and growth of voltage levels, the transient ground potential rise (GPR) caused by the switchgear operation has become great threaten to the safety of the grid.
Fubin Pang   +3 more
doaj   +1 more source

Study on pollution flashover characteristic of insulators on 500 kV AC transmission lines in high-altitude area

open access: yesThe Journal of Engineering, 2019
Pollution flashover performance of insulators is one of the key factors to be considered in the selection of external insulation for transmission lines at high-altitude areas.
Ruiping Huang, Jun Zhou, Yueneng Xu
doaj   +1 more source

Temperature field simulation and ampacity optimisation of 500 kV HVDC cable

open access: yesThe Journal of Engineering, 2019
The temperature distribution of the submarine cable is an important parameter during the operation. In order to lift the efficiency of heat dissipation during the high-voltage direct current (HVDC) cable thermal cycling test, this study presents a method
Boda Zhou   +7 more
doaj   +1 more source

Fault case analysis and simulation research of neutral-bus arresters multi-column parallel connected in converter station

open access: yesThe Journal of Engineering, 2018
High-voltage DC arrester is one of the key equipment for overvoltage protection of ultra-high voltage DC (UHVDC) transmission system. This device plays a decisive role in the insulation level of the whole process.
Dianlang Wang   +10 more
doaj   +1 more source

Harmonic analysis of AC-bus voltage in converter station based on time–frequency transformation

open access: yesThe Journal of Engineering, 2018
The disturbance of the AC system has become one of the main causes of commutation failure in the high voltage direct current (HVDC) transmission system. Here, the time–frequency transformation method is used to analyse the AC-bus voltage disturbance from
Zhao Dandan   +6 more
doaj   +1 more source

Closing performance of the Thomson-coil actuator for a 110 kV FMS

open access: yesThe Journal of Engineering, 2019
In the 500 kV hybrid high-voltage direct current (HVDC) circuit breaker, there are five 110 kV fast mechanical switches (FMSs) in the nominal current path.
Yannan Zhou   +5 more
doaj   +1 more source

Optimal design and stress analysis of the transmission line inspection robot along the ground line

open access: yesThe Journal of Engineering, 2019
Most of the previous literatures of the transmission line inspection robot along the ground wire tend to focus on the obstacle-surmounting method and motion characteristics.
Wang Haitao   +6 more
doaj   +1 more source

Design, analysis, and testing of PP-IGBT-based submodule stack for the MMC VSC HVDC with 3000 A DC bus current

open access: yesThe Journal of Engineering, 2018
Voltage sourced converter (VSC) high-voltage direct current (HVDC) is moving to higher DC voltage and capacity, such as ±500 kV/3000 MW and ±800 kV/5000 MW for a single converter, which will bring tremendous challenges for converter submodule design ...
Huifeng Chen   +3 more
doaj   +1 more source

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