Results 51 to 60 of about 1,327,766 (226)

Invited review: Effect of temperature on a granular pile

open access: yes, 2010
As a fragile construction, a granular pile is very sensitive to minute external perturbations. In particular, it is now well established that a granular assembly is sensitive to variations of temperature.
de Gennes   +3 more
core   +2 more sources

A Tube-Integrated Painted Biosensor for Glucose and Lactate

open access: yesItalian National Conference on Sensors, 2018
Developing a simple and direct approach for sensitive, specific, and rapid detection of metabolic compounds is of great importance for a variety of biological, medical, and food applications.
Weihua Shi, Xiaojin Luo, Yue Cui
semanticscholar   +1 more source

Bio-reactor chamber [PDF]

open access: yes, 1989
A bioreactor for cell culture is disclosed which provides for the introduction of fresh medium without excessive turbulent action. The fresh medium enters the bioreactor through a filter with a backwash action which prevents the cells from settling on ...
Chandler, Joseph A.
core   +1 more source

Heat Transfer Analysis of Conventional Round Tube and Microchannel Condensers in Automotive Air Conditioning System

open access: yesJurnal Engineering, 2019
In this paper, an experimental analysis of conventional air-cooled and microchannel condensers in automotive vapor compression refrigeration cycle concerning heat transfer coefficient and energy using R134a as a refrigerant was presented. The performance
Muayad Abdulnabi, I. Mohammed
semanticscholar   +1 more source

Flow-Accelerated Corrosion of Type 316L Stainless Steel Caused by Turbulent Lead–Bismuth Eutectic Flow

open access: yesMetals, 2018
Lead–bismuth eutectic (LBE), a heavy liquid metal, is an ideal candidate coolant material for Generation-IV fast reactors and accelerator-driven systems (ADSs), but LBE is also known to pose a considerable corrosive threat to its container. However,
Tao Wan, Shigeru Saito
doaj   +1 more source

Bakeable McLeod gauge [PDF]

open access: yes, 1965
A low pressure gauge of the McLeod type demonstrating superior performance and measuring characteristics is described. A mercury reservoir which is kept in a vacuum at all times as well as bakeable glass components to reduce contamination are ...
Kreisman, W. S.
core   +1 more source

Analysis of possibilities to increase oil recovery with the use of nitrogen in the context of deep oil deposits of the Dnipro-Donetsk oil-and-gas Ukrainian province [PDF]

open access: yes, 2019
Purpose is to increase oil recovery of deep oil deposits of the Dnipro-Donetsk oil-and-gas Ukrainian province with the use of nitrogen. Methods. Experiments, intended to residual oil displacement with the use of different driving agents, involved ...
Kondrat, O, Lukin, O, Smolovyk, L
core   +1 more source

Aspiration pump for oocyte recovery from cow's ovaries

open access: yesKufa Journal for Veterinary Medical Sciences, 2011
    The purpose of this study was to improve  application of a new tool for ova or oocyte aspiration from ruminants ovaries . The bovine ovaries used as a model for oocyte recovery .
Ammar R. Mansoor
doaj   +1 more source

Venting vapor apparatus Patent [PDF]

open access: yes, 1962
Fuel tank pressure-relief device for venting cryogenic liquid vapors through tubes with porous ...
Weber, R. J.
core   +1 more source

Path integral Monte Carlo simulation of global and local superfluidity in liquid $^{4}$He reservoirs separated by nanoscale apertures [PDF]

open access: yes, 2016
We present a path integral Monte Carlo study of the global superfluid fraction and local superfluid density in cylindrically-symmetric reservoirs of liquid $^{4}$He separated by nanoaperture arrays.
Kwon, Yongkyung   +2 more
core   +2 more sources

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