Characterization of high-pressure, underexpanded …
Conditions at Level 1, the high-pressure source, are typically known quantities (in the present experiments they are measured). Following the approach of Birch and coworkers, conditions at the jet exit, where the flow is sonic, can be determined from Level 1 conditions using isentropic flow relations .Since expansion to ambient conditions occurs through the notional …
Read MoreFormation and characterisation of high-internal-phase ...
High pressure homogenisation treatment of the QPI suspensions. QPI suspension (5 wt%) was prepared by dispersing 5 g QPI powder in 95 g of Milli-Q water containing 0.02% sodium azide. The QPI suspension was magnetically stirred for 24 h at 20 °C to facilitate protein hydration and solubilisation.
Read MoreDSC characterisation of urea/formaldehyde condensates, II ...
At anisothermic thermograms registered when curing the urea/formaldehyde (UF) resins in high pressure DSC cell the endothermic effects, such as evaporation of water and elimination of formaldehyde shift to temperatures higher by about 40°C in comparison to the thermograms received using the cell without pressure. The temperature for the exotherma of curing remains …
Read MoreCharacterisation of Residues and Extracts of High-Pressure ...
Read "Characterisation of Residues and Extracts of High-Pressure Extraction of Eucalyptus Wood with 1,4-Dioxane-CO 2 Mixtures. Part II. Determination of Macromolecular Parameters of Lignins Extracted with High-Pressure 1,4-Dioxane, Holzforschung - International Journal of the Biology, Chemistry, Physics and Technology of Wood" on DeepDyve, the …
Read MoreREACH – Analytical characterisation of petroleum UVCB ...
Item 2.3.6. High-pressure liquid chromatogram, or gas chromatogram 1. 1.1. NATURE OF PETROLEUM UVCB SUBSTANCES Petroleum substances such as gasoline, kerosine, diesel fuel, lubricants and bitumen are manufactured from crude oil using a range of refining processes including distillation, cracking, isomerisation, reforming, alkylation and
Read MoreSynthesis and characterisation of a new high pressure ...
Download Citation | Synthesis and characterisation of a new high pressure polymorph of Cu2WS4 | In this communication we report the synthesis and structural characterisation of …
Read MoreMaterial Characterisation - enhytec.de
The knowledge of material properties at realistic conditions is essential for the success of European space projects. ET EnergieTechnologie offers independent specialized material testing services that can be used to …
Read MoreCharacterisation of graphite nanoplatelets (GNP) prepared ...
Graphite nanoplatelets (GNP) were prepared by a high-pressure homogenisation process (HPHP) via exfoliation of bulk graphite, yielding GNP in the form of square shaped platelets with lateral dimensions on the micrometre (μm) scale and thicknesses on the nanometre (nm) scale (<200 nm). The platelets have a polycrystalline structure with d 002 = 0.335 nm …
Read MoreCharacterisation of flow and bubble phenomena in a high ...
Title. Characterisation of flow and bubble phenomena in a high pressure alkaline water electrolyser. Author. Kleist, Tom (TU Delft Mechanical, Maritime and Materials Engineering; TU Delft Process and Energy) . Contributor. Haverkort, J.W. (mentor)
Read MoreHigh Strain Rate Characterisation of Composite Materials …
This is problematic as the High-speed servo-hydraulic test machine closes the gap between quasi-static tests rates and lower strain rates, which are achievable with the Split Hopkinson Pressure Bar. The Split Hopkinson Pressure Bar was addressed in terms of a new wave mechanics model for a linear elastic specimen in the Split Hopkinson Pressure ...
Read More'Ultra' Biotherapeutic Characterisation
to high pressure switching – for instance, ceramic rather than metal – and should include sample loop pre-compression to minimise pressure changes (and therefore retention time variation run-run) during sample injection • he sample manager should be T of high capacity for maximum throughput. If shorter methods are leveraged, more samples can
Read MoreSynthesis under high pressure and characterisation by ...
Synthesis under high pressure and characterisation by Mössbauer spectroscopy of non-stoichiometric Ca 2 Fe 2 O 5.12. Terence C. Gibb, Andrew J. Herod, Duncan C. Munro and Nianhua Peng Abstract. The calcium iron oxide Ca 2 Fe 2 O 5 which contains alternate layers of iron–oxygen octahedra and tetrahedra has been found to take up additional ...
Read MoreStructural characterisation of the high-pressure phase ...
Single crystals of CaAl4Si2O11 were synthesised at 1,500 °C and 14 GPa in a multi-anvil press, and the structure of the phase determined by single-crystal X-ray diffraction at room conditions. The structure-type is that of the "hexagonal barium ferrites". The space group of the average structure is P6 3 /mmc and the cell parameters are a = 5.4223(4) Å, c = 12.7041(6) Å, V = …
Read MoreSynthesis and characterisation of a new high pressure ...
In this communication we report the synthesis and structural characterisation of a new body centred polymorph of Cu2WS4 prepared using hydrothermal methods. I–Cu2WS4 crystallises in space group I [[4 with combining macron]] 2m with cell parameters a = b = 5.44427(8), c = 10.0687(2) Å and has a new structure typ...
Read MoreHigh Pressure Synthesis and Characterisation of Layered ...
The ambient pressure characterisation, high pressure behaviour and decompression of the material have been compared in detail to computational calculations performed on the model structure proposed for the material. Interesting advances in the understanding of the ambient pressure structure and ...
Read MoreCharacterisation of Residues and Extracts of High-Pressure ...
Article Characterisation of Residues and Extracts of High-Pressure Extraction of Eucalyptus Wood by 1,4-Dioxane-CO2 Mixtures. Part I. Characterisation by FTIR, UV and HPLC was published on January 1, 1996 in the journal Holzforschung (volume 50, issue 6).
Read MoreMicrostructural Characterisation of High Temperature ...
MICROSTRUCTURAL CHARACTERISATION OF HIGH TEMPERATURE OXIDATION OF NICKEL BASE SUPERALLOY RR1000 AND THE EFFECT OF SHOT-PEENING S. Cruchley 1, M.P. Taylor, H.E. Evans1, P. Bowen, M. C. Hardy2 and S. Stekovic2 1School of Metallurgy and Materials, University of Birmingham, UK 2Rolls-Royce plc., Derby, UK …
Read More(PDF) Rock characterisation for high pressure grinding ...
PDF | On Jan 1, 2006, S. Morrell published Rock characterisation for high pressure grinding rolls circuit design | Find, read and cite all the research you need on ResearchGate
Read MoreSynthesis and characterisation of a new high pressure ...
A novel crystalline zeolite composition is prepared by conducting the hydrothermal crystallization and, preferably, a preliminary aging step, at high pressure, i.e. pressures in excess of 20,000 ...
Read MoreCharacterisation - Drochaid
High Pressure NMR. Our high pressure NMR tubes are constructed from single crystal sapphire bodies with precision machined titanium heads. Capable of withstanding pressures of 50 bar at 150 °C the high pressure NMR capability enables speciation of catalyst solutions under reaction conditions of commercial relevance
Read MoreIsolation, stability, and characteristics of high-pressure ...
Bacterial spores are a major challenge in industrial decontamination processes owing to their extreme resistance. High-pressure (HP) of 150 MPa at 37 °C can trigger the germination of spores, making them lose their extreme resistance. Once their resistance is lost, germinated spores can easily be in …
Read MoreReservoir Characterisation of High-Pressure, High ...
The growing demand for hydrocarbons has driven the exploration of riskier prospects in depths, pressures, and temperatures. Substantial volumes of hydrocarbons lie within deep formations, classified as high pressure, high temperature (HPHT) zone. This study aims to delineate hydrocarbon potential in the HPHT zone of the Malay Basin through the integrated …
Read MoreFractal characterisation of high-pressure and hydrogen ...
The pressure range covered was from atmospheric to 0.9 MPa. Non-dimensional turbulence intensity u′/S L was 1.53 at atmospheric pressure and 6.51 at 0.9 MPa. The main objective of the investigation was to determine the effects of high-pressure and hydrogen addition on the fractal parameters.
Read More(PDF) SYNTHESIS, CHARACTERISATION AND HIGH …
synthesis, characterisation and high pressure studies of yb0.8sr0.2ba2cu3o7−y superconductor
Read MoreCharacterisation of very high pressure diesel sprays using ...
This is, in the case of the very high pressure diesel injection, valid from the hole exit. (4) S ( t ) = 2.95 ( Δ P inj ρ g ) 0.25 ( d t ) 0.5 The results which we obtained ( Fig. 6 ) with the direct photographic method are very well described by this law, whether it is in the pressure test conditions of Hiroyasu and Araï or for much higher ...
Read More(PDF) Rock characterisation for high pressure grinding ...
PDF | On Jan 1, 2006, S. Morrell published Rock characterisation for high pressure grinding rolls circuit design | Find, read and cite all the research …
Read MoreSynthesis and characterisation of a new high pressure ...
Synthesis and characterisation of a new high pressure polymorph of Cu 2 WS 4 C. J. Crossland and J. S. O. Evans, Chem. Commun., 2003, 2292 DOI: 10.1039/B306633A
Read MoreCHARACTERISATION OF HIGH PERFORMANCE …
CHARACTERISATION OF HIGH PERFORMANCE STRUCTURED PACKING L. Fischer, U. Bühlmann, R. Melcher, Kühni AG, Allschwil, Switzerland Keywords: Rombopak, structured packing, pressure drop, Characteristic number ABSTRACT Column packings applicable to the field of rectification are mainly characterised by
Read MoreCharacterisation of high pressure quadrupole collision ...
Characterisation of high pressure quadrupole collision cells possessing direct current axial fields Lock, Chris M.; Dyer, Edward; Abstract. Publication: Rapid Communications in Mass Spectrometry. Pub Date: March 1999 DOI: 10.1002/(SICI)1097-0231(19990315)13:5<432::AID-RCM504>3.0.CO;2-I ...
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