Results 61 to 70 of about 171,960 (303)
Drive laser system for the DC-SRF photoinjector at Peking University
, 2015 Photoinjectors are widely used for linear accelerators as electron sources to generate high-brightness electron beam. Drive laser, which determines the timing structure and quality of the electron beam, is a crucial device of photoinjector.
Chen, Jiaer +6 more
core +1 more source
Shuttling heat across 1D homogenous nonlinear lattices with a Brownian heat motor [PDF]
, 2009 We investigate directed thermal heat flux across 1D homogenous nonlinear lattices when no net thermal bias is present on average. A nonlinear lattice of Fermi-Pasta-Ulam-type or Lennard-Jones-type system is connected at both ends to thermal baths which ...
Baowen Li +4 more
core +3 more sources
FEBS Open Bio, EarlyView.Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei +3 more
wiley +1 more source
AIP Advances, 2020 The harmonic operation in a terahertz gyrotron traveling-wave amplifier (gyro-TWA) permits a reduced magnetic field, whereas a harmonic multiplying gyro-TWA enables magnetic field reduction and frequency multiplication.
Y. S. Yeh +4 more
doaj +1 more source
Control of electron-hole pair generation by biharmonic voltage drive of a quantum point contact
, 2012 A time-dependent electromagnetic field creates electron-hole excitations in a Fermi sea at low temperature. We show that the electron-hole pairs can be generated in a controlled way using harmonic and biharmonic time-dependent voltages applied to a ...
Belzig, Wolfgang, Vanevic, Mihajlo
core +1 more source
Reduction of current ripple and acoustic noise in dual-inverter pole-changing induction motor drives [PDF]
, 2000 In this paper, a new dual-inverter pole-changing induction motor drive is proposed and analyzed. The two keys are to adopt a new pole-changing induction motor to extend the constant-power operating range and to develop a new dual-inverter to ...
Chan, CC, Chau, KT, Jiang, SZ
core +1 more source
Digital twins to accelerate target identification and drug development for immune‐mediated disorders
FEBS Open Bio, EarlyView.Digital twins integrate patient‐derived molecular and clinical data into personalised computational models that simulate disease mechanisms. They enable rapid identification and validation of therapeutic targets, prediction of drug responses, and prioritisation of candidate interventions.
Anna Niarakis, Philippe Moingeon
wiley +1 more source
Tooth Profile Design of Tri-arc Harmonic Gear Drive
Jixie chuandong, 2019 Based on the exact conjugate method of harmonic gear drive， the tooth profile design method of the tri-arc harmonic gear drive is proposed and the influence of flex spline profile parameters on the conjugate interval are studied.
Xiao Jichang +5 more
doaj
Excitation of multiple 2-mode parametric resonances by a single driven mode
, 2017 We demonstrate autoparametric excitation of two distinct sub-harmonic mechanical modes by the same driven mechanical mode corresponding to different drive frequencies within its resonance dispersion band. This experimental observation is used to motivate
Do, Cuong +2 more
core +1 more source
Evaluation of a dual-T-type converter supplying an open-end winding induction machine [PDF]
, 2013 The multilevel inverter is a promising technology compared to two-level inverters in the applications of ac-drives and smart-grid applications. In this paper, a dual-T-type three-level inverters is used to drive an open-end winding induction machine. The
Darba, Araz +5 more
core +1 more source