Results 21 to 30 of about 193,021 (301)

Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine

open access: yesMachines, 2022
Hydrostatic thrust bearings are the core part of the hydrostatic spindle, which is widely used in high precision grinding machines. In this paper, the viscosity-temperature (v-t) characteristics of hydrostatic oil are systematically investigated, which ...
Youyun Shang   +3 more
doaj   +1 more source

Exploring Hydrothermal Synthesis of SAPO-18 under High Hydrostatic Pressure

open access: yesNanomaterials, 2022
The effect of external hydrostatic pressure on the hydrothermal synthesis of the microporous silicoaluminophosphate SAPO-18 has been explored. The crystallization of the SAPO-18 phase is inhibited at 150 °C under high pressures (200 MPa) when using ...
Raquel Simancas   +9 more
doaj   +1 more source

Food processing by high hydrostatic pressure [PDF]

open access: yesBioscience, Biotechnology, and Biochemistry, 2017
Abstract High hydrostatic pressure (HHP) process, as a nonthermal process, can be used to inactivate microbes while minimizing chemical reactions in food. In this regard, a HHP level of 100 MPa (986.9 atm/1019.7 kgf/cm2) and more is applied to food.
openaire   +2 more sources

Hydrostatic compression on polypropylene foam [PDF]

open access: yes, 2014
Models currently used to simulate the impact behaviour of polymeric foam at high strain rates use data from mechanical tests. Uniaxial compression is the most common mechanical test used, but the results from this test alone are insufficient to ...
VIOT, Philippe
core   +2 more sources

Pore pressure prediction in offshore Niger delta using data-driven approach: Implications on drilling and reservoir quality

open access: yesEnergy Geoscience, 2023
Despite exploration and production success in Niger Delta, several failed wells have been encountered due to overpressures. Hence, it is very essential to understand the spatial distribution of pore pressure and the generating mechanisms in order to ...
Joshua Pwavodi   +4 more
doaj   +1 more source

The use of high hydrostatic pressure in the technology of whole muscle meat products [PDF]

open access: yesBIO Web of Conferences, 2021
The work examined the effect of high hydrostatic pressure on the chemical composition and microbiological indicators of poultry meat. Data on the mass fraction of moisture, fat, protein and ash before and after processing the product with high ...
Prokopenko Irina   +4 more
doaj   +1 more source

Does High Hydrostatic Pressure Affect Fruit Esters? [PDF]

open access: yesLWT - Food Science and Technology, 2002
The effect of high hydrostatic pressure on ester formation and hydrolysis was studied. Six esters and the corresponding carboxylic acids and alcohols were subjected to high-pressure treatments of 400 and 800MPa under three different pH conditions (namely, buffer solutions of pH 4, 6 and 8).
Lambadarios, Evripidis   +1 more
openaire   +2 more sources

High hydrostatic pressure effects on arginine vasotocin levels in fish

open access: yesAquatic Biology, 2020
The present study investigates the response of the hormone arginine vasotocin (AVT), the non-mammalian antidiuretic hormone, to the acclimation of fish to high hydrostatic pressure (5.1 MPa). Two fish species with different osmoregulatory strategies, the
Rodríguez-Illamola, A   +3 more
doaj   +1 more source

Sporopollenin, a natural copolymer, is robust under high hydrostatic pressure [PDF]

open access: yes, 2016
Lycopodium sporopollenin, a natural copolymer, shows exceptional stability under high hydrostatic pressures (10 GPa) as determined by in situ high pressure synchrotron source FTIR spectroscopy.
Barsoum R. G. S.   +6 more
core   +1 more source

Pressure-induced delocalization of photoexcited states in a semiconducting polymer. [PDF]

open access: yes, 2010
We present broadband transient absorption spectroscopy on the fluorescent copolymer poly(9,9-dioctylfluorene-co-benzothiadiazole) under hydrostatic pressure of up to 75 kbar.
Albert-Seifried, S   +5 more
core   +1 more source

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