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Results 81 to 90 of about 6,208 (199)

Hodgkin and non‐Hodgkin lymphomas in the post‐antiretroviral therapy era according to HIV virological suppression

HIV Medicine, Volume 27, Issue 8, Page 1312-1332, August 2026.
Abstract Objectives Lymphomas remain among the most frequent HIV‐associated malignancies, with risk persisting despite effective virological control. This study describes the clinical, epidemiological and prognostic characteristics of lymphomas (both Hodgkin [HL] and non‐Hodgkin [NHL]) in people living with HIV (PLWH), according to virological ...
Teresa Aldámiz‐Echevarria +555 more
wiley +1 more source

Trends in Hepatitis B, Hepatitis C, and HIV Seroprevalence in the Netherlands: Insights From Two Decades of Nationwide PIENTER Serosurveys

Journal of Viral Hepatitis, Volume 33, Issue 8, August 2026.
ABSTRACT Hepatitis B (HBV), hepatitis C (HCV), and HIV remain public health challenges despite effective treatments and preventive options. Infections are often asymptomatic, leading to undiagnosed cases, onward transmission, and preventable morbidity and mortality.
Christine G. J. I. van Straten +7 more
wiley +1 more source

Application and development of power electronic devices in VSC-HVDC transmission system

机车电传动, 2023
Voltage sourced converter based high voltage direct current (VSC-HVDC) is the core technology of new type of power systems with new energy as its main part.
YANG Liu +5 more
doaj

Local Variability of Ice Core Ammonium and Black Carbon Records From Tunu and Summit, Greenland: Implications for Long‐Term Biomass Burning Reconstructions

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract Paleoclimate reconstructions of wildfire using ice cores often rely on high‐resolution aerosol records of refractory black carbon (rBC) or ammonium (NH4+). The interpretation of such records, however, can be hindered by uncertainties related to long‐range atmospheric transport, spatial distribution and strength of emissions, as well as ...
Drake McCrimmon +4 more
wiley +1 more source

Reactive power sensitivity-based novel overvoltage suppression strategy for parallel VSC-and-LCC-HVDC transmission system

International Journal of Electrical Power & Energy Systems
The rapid deployment of both line-commutated converter-based high-voltage direct current (LCC-HVDC) and voltage source converter-based high-voltage direct current (VSC-HVDC) does not only prolificate AC/DC grid coupling but also form new DC transmission ...
Yi Hao +4 more
doaj +1 more source

Synchronization of VSCs to the Grid

Abstract This chapter presents the synchronization of voltage source converters (VSCs) to the grid. In Sec. 4.1, the connection of a VSC to the grid based on the grid equivalent circuit and the energy transfer is explained. Sec. 4.2. gives an overview of different synchronization principles.
openaire +1 more source

A Review On Multilevel Vsc Topology

, 2018
In electrical power system, Flexible AC Transmission System FACTS Devices provides better performance than conventional controllers. Voltage Source Inverter VSI based devices are more favorable FACTS controllers.
Dhairyasheel S. Nikam, V. N. Kalkhambkar
openaire +2 more sources

Analysis of multi-infeed receiving AC system with incompletely segmented VSC-HVDC

Global Energy Interconnection
When multiple LCC-HVDC transmission lines are densely fed into a receiving AC system, voltage dips can easily propagate in the power system, resulting in multiple LCC commutation failures simultaneously.
You Zuo +3 more
doaj +1 more source

Vertical structural complexity of plant communities represents the combined effects of resource acquisition and environmental stress on the Tibetan Plateau

Communications Biology
The vertical structural complexity (VSC) of plant communities reflects the occupancy of spatial niches and is closely related to resource utilization and environmental adaptation.
Changjin Cheng +5 more
doaj +1 more source

A Novel Transient Analysis of Multiterminal VSC-HVDC System Incorporating Superconducting Fault Current Limiter

International Transactions on Electrical Energy Systems
Power transmission using a voltage source converter- (VSC-) based high-voltage direct current (HVDC) system offers autonomous control of real and reactive power, constant DC voltage polarity, and bidirectional power flow.
Wajid Ahmed, Premila Manohar, C. H. Hussaian Basha +2 more
doaj +1 more source

7. clean energy
voltage source converter
hvdc

vsc-hvdc
voltage source converters
statcom

voltage stability
power grids
hvdc power transmission