Results 81 to 90 of about 1,252,987 (207)

MEASUREMENT METHOD FOR DETERMINING THE RESIDUAL FLUX DEPOSITS IN A HEAT EXCHANGER FROM A CONTROLLED ATMOSPHERE BRAZING LINE

open access: yesStudia Universitatis Babes-Bolyai Chemia, 2015
The brazing technology of aluminum alloys having the highest efficiency, used at manufacturing heat exchangers, is the controlled atmosphere brazing with the NOCOLOK flux.
Grigore COCIAN, Cătălin POPA
doaj  

A Study on the Improvement in Response Characteristics of an Electromagnetic Brake Through Electromagnetic Balance-Based Structural Design and Shim Plate Application

open access: yesActuators
This study proposes an electromagnetic balance-based structural design and shim plate application to improve the response characteristics of an electromagnetic brake. Electromagnetic brakes typically experience response delay due to inductive effects and
Dong-Hyeon Kim   +3 more
doaj   +1 more source

The microbiome in human skin aging

open access: yesFEBS Letters, EarlyView.
Age‐related skin changes encompass the well‐known visible phenotypic alterations, together with microbiome dysbiosis and a series of molecular aging hallmarks. These hallmarks characterize not only a fully stablished aged phenotype but also the skin aging process itself.
Manuel Huerta Arana   +3 more
wiley   +1 more source

Maximising flux in direct contact membrane distillation using nanofibre membranes [PDF]

open access: yes, 2017
Electrospun PVDF nanofibre membranes were manufactured and tested on a direct-contact membrane distillation (DCMD) unit in an effort to maximise flux rate, which is generally low using standard MD membranes.
Chaloupek Jiří   +3 more
core   +1 more source

Autophagy and mitophagy in pancreatic β‐cell homeostasis and their involvement in diabetes pathophysiology

open access: yesFEBS Letters, EarlyView.
This review focuses on the role of autophagy and mitophagy in maintaining pancreatic β‐cell function and homeostasis. We discuss how genetic defects affecting these pathways contribute to the development of type 1, type 2, monogenic, and gestational diabetes. We further explore their potential as therapeutic targets. Created in BioRender.
Yunkyeong Lee   +2 more
wiley   +1 more source

Estimation of genetic variation in residual variance in female and male broiler chickens [PDF]

open access: yes, 2008
In breeding programs, robustness of animals and uniformity of end product can be improved by exploiting genetic variation in residual variance. Residual variance can be defined as environmental variance after accounting for all identifiable effects.
Mulder, H. A.   +6 more
core   +1 more source

SIMULATION OF HYBRID LASER-TIG WELDING PROCESS USING FEA [PDF]

open access: yesJournal of Engineering Science and Technology, 2018
Hybrid welding technology has wide advantages in welding to improve speed, weldability of special materials, increasing depth of weld. Less defects of the weld, less bead widths, less temperature, less distortion and less residual stresses are seen.
HARINADH VEMANABOINA   +3 more
doaj  

Golgi enzymes are retrieved from the plasma membrane to the trans‐Golgi network

open access: yesFEBS Letters, EarlyView.
Golgi enzymes are traditionally considered resident proteins retained within the Golgi apparatus. Here, we demonstrate that a subset transiently reaches the cell surface and is subsequently retrieved to the trans‐Golgi network via retrograde transport. Using a nanobody‐based toolkit, we uncover a dynamic trafficking cycle of several Golgi enzymes.
Dominik P. Buser, Tina Junne
wiley   +1 more source

On inferring isoprene emission surface flux from atmospheric boundary layer concentration measurements [PDF]

open access: yes, 2009
We examine the dependence of the inferred isoprene surface emission flux from atmospheric concentration on the diurnal variability of the convective boundary layer (CBL).
K. van den Dries   +6 more
core   +2 more sources

Effect of Carbon and TiO₂ on Fluidity of Mold Flux

open access: yesTeshugang, 2006
The effect of C content(8.39%~14.20%)and TiO₂(0.35%) on fluidity of mold flux-21.98~ 27.93 CaO,32.03~43.20 SiO₂,4.58~5.83 Al₂O₃ at 1120~1200℃has been studied.The results showed that residual carbon in flux and TiO₂ in flux which was produced by Ti ...
武守防, 李宏, 王恭亮, 梁玫
doaj  

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