Results 21 to 30 of about 37,613 (291)

PENGARUH PENGGUNAAN AIR SUHU EKSTRIM SEBAGAI BAHAN PEMBENTUK BETON YANG DITAMBAHKAN ADMIXTURES TERHADAP KUAT TEKAN BETON

open access: yesTeras Jurnal: Jurnal Teknik Sipil, 2020
Abstrak   Perubahan iklim sebagai pemicu pemanasan global merupakan fenomena yang sudah terjadi selama beberapa dasawarsa terakhir. Penggunaan beton sebagai material konstruksi terus meningkat, hampir 60% infrastruktur ketekniksipilan di dunia dibangun
Teuku Budi Aulia
doaj   +1 more source

Vehicle Retarders: A Review

open access: yesIEEE Access, 2023
Under continuous braking and long slope braking conditions of high intensity for a long time, the temperature of the brake friction plate is extremely high, which leads to poor braking efficiency in the braking process, and even makes the braking force ...
Zuowu Ding   +3 more
doaj   +1 more source

Numerical simulation and experimental study of gas–liquid two-phase flow pattern of hydrodynamic retarder

open access: yesAIP 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

Effects of Hydroxycarboxylic Acid-Based Retarder on the Compressive Strength of Geopolymer Cement under Wellbore Conditions

open access: yesEngineering Proceedings, 2023
In oil well cementing, cement must flow through the casing before reaching the targeted annulus; hence, a retarder must be added to provide the cement with sufficient time to reach the targeted depth before setting.
Nurul Nazmin Zulkarnain   +4 more
doaj   +1 more source

A broadband silicon quarter-wave retarder for far-infrared spectroscopic circular dichroism

open access: yes, 2014
The high brightness, broad spectral coverage and pulsed characteristics of infrared synchrotron radiation enable time-resolved spectroscopy under throughput-limited optical systems, as can occur with the high-field magnet cryostat systems used to study ...
Carr, G. L.   +6 more
core   +1 more source

Novel achromatic single reflection quarter-wave retarder: design and measurement [PDF]

open access: yes, 2014
In this work, we present an achromatic quarter-wave retarder whose design is based upon the reflection properties of an isotropic-anisotropic interface.
Caré, D.   +4 more
core   +1 more source

Diattenuation of Brain Tissue and its Impact on 3D Polarized Light Imaging

open access: yes, 2017
3D-Polarized Light Imaging (3D-PLI) reconstructs nerve fibers in histological brain sections by measuring their birefringence. This study investigates another effect caused by the optical anisotropy of brain tissue - diattenuation. Based on numerical and
Amunts, Katrin   +5 more
core   +1 more source

EDNRB‐dependent endothelin signaling reduces proliferation and promotes proneural‐to‐mesenchymal transition in gliomas

open access: yesMolecular Oncology, EarlyView.
Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau   +36 more
wiley   +1 more source

Moisture Performance of Energy-Efficient and Conventional Wood-Frame Wall Assemblies in a Mixed-Humid Climate

open access: yesBuildings, 2015
Long-term moisture performance is a critical consideration for design and construction of building envelopes in energy-efficient buildings, yet field measurements of moisture characteristics for highly insulated wood-frame walls in mixed-humid climates ...
Samuel V. Glass   +3 more
doaj   +1 more source

Journal Staff [PDF]

open access: yes, 2002
För att öka köreffektivitet och säkerhet samt minska bromsarnas slitage är de flesta av Scanias lastbilar och bussar utrustade med en hjälpbroms, så kallad retarder. En retarder arbetar generellt sett enligt någon av följande två principer.
Långfors, Stefan
core   +1 more source

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