Results 131 to 140 of about 5,948 (183)

An octadecameric O- glucosyltransferase generates diversity in antibody epitopes on variant surface antigens in African trypanosomes

Zhong Q, Barritt JD, Nji E, Gkeka A, Rouse SL, Hohenester E, Tiengwe C.   +6 more
europepmc   +1 more source

Weight loss induced bone loss: mechanism of action and clinical implications. [PDF]

Bone Res
Liu H, Li B, Liu L, Ying W, Rosen CJ.
europepmc   +1 more source

Distributed Virtual Inertia Control Strategy for Multi-Virtual Synchronous Machine Parallel System Based on Neighbor Communication. [PDF]

Sensors (Basel)
Cao G, Wu H, Liu Y, Ren Q.
europepmc   +1 more source

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Control of VSG gene expression sites

Molecular and Biochemical Parasitology, 2001
Trypanosoma brucei survives in mammals by antigenic variation of its surface coat consisting of variant surface glycoprotein (VSG). Trypanosomes change coat mainly by replacing the transcribed VSG genes in an active telomeric expression site by a different VSG gene.
Piet Borst
exaly   +3 more sources

Controls of the expression of the Vsg in Trypanosoma brucei.

Molecular and Biochemical Parasitology, 1998
We present an overview of the regulation of vsg expression, focusing on initiation and elongation of transcription as well as processing and stabilization of the transcripts. We propose a model where common factors are involved in the reverse controls of the genes for the two main stage-specific antigens, the Vsg and procyclin: a cross-talk between the
Vanhamme, Luc, Pays, Etienne
openaire   +4 more sources

Sequence Impedance Modeling and Stability Comparative Analysis of Voltage-Controlled VSGs and Current-Controlled VSGs

IEEE Transactions on Industrial Electronics, 2019
The premise that the virtual synchronous generator (VSG) can actively support the weak grid is that the VSG can operate stably. In this paper, the small-signal sequence impedance models of the voltage-controlled VSG and the current-controlled VSG are built and the sequence impedance characteristics of these two types of VSGs are compared and analyzed ...
Wenhua Wu 0001, Yandong Chen 0001, Leming Zhou, An Luo, Xiaoping Zhou, Zhixing He, Ling Yang 0001, Zhiwei Xie 0001, Jinming Liu, Mingmin Zhang   +9 more
openaire   +1 more source

An Improved VSG control strategy for Microgrid

2021 IEEE International Conference on Electrical Engineering and Mechatronics Technology (ICEEMT), 2021
New energy power generation system, droop control field and ship distributed system have been widely used the control strategy of virtual synchronous generator (VSG). However, the traditional VSG control strategy neglects power decoupling ability and inertia in the torque governor and excitation control.
Fangying Zhu, Zishun Peng, Wen Hu, Huan Wang, Chun Zhang, Zhenxing Zhao, Yuxing Dai   +6 more
openaire   +1 more source

VSG Simplified Damper Winding: Design Guidelines

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, 2019
The growing spread of renewable energy sources has brought the issue of providing virtual inertia to the electric power system. Virtual Synchronous Generators (VSGs) are a valid solution capable of adding inertial behavior to static grid-tied converters.
F. Mandrile, E. Carpaneto, R. Bojoi
openaire   +1 more source