Results 51 to 60 of about 685,333 (350)

Integrated structure vacuum tube [PDF]

, 1976
High efficiency, multi-dimensional thin film vacuum tubes suitable for use in high temperature, high radiation environments are described. The tubes are fabricated by placing thin film electrode members in selected arrays on facing interior wall surfaces
Dimeff, J., Kerwin, W. J.
core   +1 more source

Calcium Triplet Synthesis [PDF]

, 1998
We present theoretical equivalent widths for the sum of the two strongest lines of the Calcium Triplet, CaT index, in the near-IR, using evolutionary techniques and the most recent models and observational data for this feature in individual stars.
Bressan, A., Garcia-Vargas, M. L., Molla, M.   +2 more
core   +2 more sources

ALDOA Promotes Glycolysis and NLRP3/GSDMD Pyroptosis to Accelerate ALS Progression

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Amyotrophic lateral sclerosis (ALS) is characterized by progressive motor neuron degeneration. Glycolytic dysregulation is implicated in disease progression, yet the underlying mechanisms remain unclear. This study investigates how Aldolase A (ALDOA) drives ALS progression through glycolysis‐mediated motor neuron pyroptosis.
Kaixin Yan, Yan Jiang, Yuxuan Yong, Tianshuo Zhang, Niannian Zhang, Qianqian Zeng, Xue Gong, Li Meng, Fangfang Bi, Yongmin Liu   +9 more
wiley   +1 more source

Review of transient control strategies for grid-forming converters under grid voltage sag conditions

电力工程技术
As a large amount of renewable energy is integrated into the grid via power electronic converters，the power system is faced with challenges，such as reduced inertia，diminished disturbance resistance，and declining transient support capabilities.
Yuxuan LIN, Wei LI, Ling ZHU, Chong REN
doaj   +1 more source

The mass-metallicity relation of local active galaxies

, 2019
We systematically measure the gas-phase metallicities and the mass-metallicity relation of a large sample of local active galaxies for the first time.
Dopita, Michael A., Groves, Brent A., Hopkins, Andrew M., Kewley, Lisa J., Sutherland, Ralph S., Thomas, Adam D.   +5 more
core   +1 more source

Numerical explicit analysis of hole flanging by single-stage incremental forming [PDF]

, 2017
The use of Single-Point Incremental Forming (SPIF) technology in hole flanging operations using multi-stages strategies have been widely studied in the last few years. However, these strategies are very time-consuming, limiting its industrial application.
Borrego Puche, Marcos, Caballero, A., Centeno Báez, Gabriel, Martínez Donaire, Andrés Jesús, Morales-Palma, Domingo, Vallellano Martín, Carpóforo   +5 more
core   +1 more source

AC-Voltage Controller for Grid-Forming Converters

IEEE Transactions on Power Electronics, 2023
Agencia Estatal de Investigación | Ref.
Diego Rios-Castro, Diego Perez-Estevez, Jesus Doval-Gandoy   +2 more
openaire   +2 more sources

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

Advanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur, Faruk Kaya, Bora Derin, Mustafa Lütfi Öveçoğlu, Ju Li, Duygu Ağaoğulları   +5 more
wiley   +1 more source

Research on operation optimization of grid-forming charging spot based on stochastic matching

Diance yu yibiao
In response to the operation problem of electric vehicle charging spots with grid forming capabilities within grid-connected micro-grids, this paper studies an optimization method for the operation of grid-forming charging spots based on stochastic ...
GE Jun, YANG Duotong, ZHANG Zihao, YU Jingyi, MA Xiyuan   +4 more
doaj   +1 more source

Analysis on the inertia and the damping characteristics of DFIG under multiple working conditions based on the grid-forming control

Energy Reports, 2022
The rapid development of wind power not only provides clean energy, but also brings new challenges to the reliable operation of power system, the high proportion of wind power connected to the grid has caused significant changes in the power supply ...
Jianzu Hu, Yu Lei, Yongning Chi, Xinshou Tian   +3 more
doaj   +1 more source