Results 71 to 80 of about 144,488 (176)

Numerical Study of Internal Flow Field in a Disc Stack Centrifuge Based on Mixture-PBM Model

open access: yesApplied Sciences
Disc stack centrifuge belongs to one kind of sedimentation centrifuge, widely used in the environmental protection, pharmacy, and chemical industries, etc.
Hefeng Dong   +7 more
doaj   +1 more source

Special Libraries, October 1943 [PDF]

open access: yes, 1943
Volume 34, Issue 8https://scholarworks.sjsu.edu/sla_sl_1943/1007/thumbnail ...
Special Libraries Association
core   +1 more source

Thermodynamic and Thermoeconomic investigation of an Integrated Gasification SOFC and Stirling Engine [PDF]

open access: yes, 2013
Thermodynamic and thermoeconomic investigation of a small scale Integrated Gasification Solid Oxide Fuel Cell (SOFC) and Stirling engine for combined heat and power (CHP) with a net electric capacity of 120kW have been performed.
Rokni, Masoud
core  

A Universal Source DC–DC Boost Converter for PEMFC-Fed EV Systems With Optimization-Based MPPT Controller

open access: yesInternational Transactions on Electrical Energy Systems
Conventional energy networks produce energy with less efficiency. Also, these source’s development costs and size are more. So, the world is focusing on renewable energy networks for energy production to the consumer.
C. H. Hussaian Basha   +4 more
doaj   +1 more source

Defective and Clustered Graph Colouring

open access: yes, 2018
Consider the following two ways to colour the vertices of a graph where the requirement that adjacent vertices get distinct colours is relaxed. A colouring has "defect" $d$ if each monochromatic component has maximum degree at most $d$.
Wood, David R.
core  

An Efficient Shift-and-stack Algorithm Applied to Detection Catalogs

open access: yesThe Astronomical Journal
The boundary of solar system object discovery lies in detecting its faintest members. However, their discovery in detection catalogs from imaging surveys is fundamentally limited by the practice of thresholding detections at signal-to-noise (SNR) ≥ 5 to ...
Steven Stetzler   +24 more
doaj   +1 more source

Neighbor Session Solutions for Integrated Routing Protocols

open access: yesApplied Sciences
This paper proposes a novel methodology for the design of dual-stack IP routing protocols focused on neighborships and routing messages transport. The first part describes currently used dual-stack IP routing protocols, their history, and key features ...
Martin Kontsek   +3 more
doaj   +1 more source

Global networks in collaborative programming

open access: yesRegional Studies, Regional Science, 2019
To understand the dynamics of the digital knowledge economy, it is crucial to reveal the geography of global flows of knowledge on digital platforms. This article visualizes a key form of knowledge production in the digital economy: mapping the joint ...
Fabian Braesemann   +2 more
doaj   +1 more source

Analytical prediction with multidimensional computer programs and experimental verification of the performance, at a variety of operating conditions, of two traveling wave tubes with depressed collectors [PDF]

open access: yes
Experimental and analytical results are compared for two high performance, octave bandwidth TWT's that use depressed collectors (MDC's) to improve the efficiency.
Dayton, J. A., Jr.   +3 more
core   +1 more source

Stick-slip in a stack: How slip dissonance reveals aging

open access: yesPhysical Review Research
We perform physical and numerical experiments to study the stick-slip response of a stack of slabs in contact through dry frictional interfaces driven in quasistatic shear.
Samuel Poincloux   +2 more
doaj   +1 more source

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