Results 31 to 40 of about 313,296 (283)
Dynamic models for start-up operations of batch distillation columns with experimental validation [PDF]
, 2004 The simulation of batch distillation columns during start-up operations is a very challenging modelling problem because of the complex dynamic behaviour. Only few rigorous models for distillation columns start-up are available in literature and generally
Cabassud, Michel +4 more
core +2 more sources
Performance Analysis of Condensation Heat Transfer of Small-Channel Condenser
南方能源建设[Objective] This paper evaluates the condensation heat transfer characteristics of small-channel condensers and provides reference for performance experiments and design applications of condensers.
Zhe WU, Qiuli MAO, Fan DENG
doaj +1 more source
Dynamic nuclear polarization induced by hot electrons
, 2006 A new method for local dynamic nuclear polarization is demonstrated in a GaAs/AlGaAs heterostructure at the Landau level filling factor $\nu=3$. Using a narrow channel sample, where the width varies stepwise along the electron flow, we find that electron
Komori, Yosuke, Okamoto, Tohru
core +1 more source
Surface flow profiles for dry and wet granular materials by Particle Tracking Velocimetry; the effect of wall roughness [PDF]
, 2019 Two-dimensional Particle Tracking Velocimetry (PTV) is a promising technique to study the behaviour of granular flows. The aim is to experimentally determine the free surface width and position of the shear band from the velocity profile to validate ...
Luding, Stefan +6 more
core +4 more sources
Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer
FEBS Letters, EarlyView.Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani +4 more
wiley +1 more source
Meitan kexue jishuIn view of the low porosity and permeability of the coal seams that are difficult to inject water, and the difficulty of effectively wetting the coal body with the traditional water injection dust reduction technology, a new idea of improving the water ...
Hetang WANG +3 more
doaj +1 more source
Mathematical Model and Simulation of Chemical Thermosyphon based on Computational Fluid Dynamics
Chemical Engineering Transactions, 2018 In this paper, based on computational fluid dynamics (CFD), the simulation study was conducted on the thermosyphon to construct the mathematical configuration of the thermosiphon.
Xiaoming Han
doaj +1 more source
The newfound relationship between extrachromosomal DNAs and excised signal circles
FEBS Letters, EarlyView.Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley +1 more source
AIP Advances, 2022 The internal flow of hydrodynamic retarder is a three-dimensional, complex, viscous, and unstable gas–liquid two-phase flow. The importance of numerical simulation of a hydrodynamic retarder has been paid attention to, but the research on the two-phase ...
Jiaxin Wang +5 more
doaj +1 more source
Impact of experimental conditions on material response during forming of steel in semi-solid state [PDF]
, 2010 Semi-solid forming is an effective near-net-shape forming process to produce components with complex geometry and in fewer forming steps. It benefits from the complex thixotropic behaviour of semi-solids.
BECKER, Eric +4 more
core +4 more sources