Results 31 to 40 of about 512,458 (303)

Surface modification after ethanol wet milling: A comparison between pristine glasses produced from natural minerals and analytical grade raw materials [PDF]

open access: yes, 2017
Four glass compositions were produced taking into account different theoretical Leucite (KAlSi2O6)/Bioglass 45S5 (45% SiO2, 24.5% Na2O, 24.5% CaO, 6% P2O5) ratios using analytical grade reagents only; and replacing some of the reagents by natural ...
Rodríguez Aguado, Elena   +3 more
core   +1 more source

Titanium Impurity Control in V-Bearing Pig Iron Prepared via the Sodium Smelting of Vanadium–Titanium Magnetite

open access: yesMetals, 2023
The sodium smelting of vanadium–titanium magnetite (VTM) can realize a multi-component comprehensive utilization of VTM. To broaden the application of the vanadium-bearing pig iron produced through this process, it is imperative to maintain the titanium ...
Zhiwei Bian   +6 more
doaj   +1 more source

Preparation, physical-chemical characterisation and cytocompatibility of calcium carbonate cements [PDF]

open access: yes, 2006
The feasibility of calcium carbonate cements involving the recrystallisation of metastable calcium carbonate varieties has been demonstrated. Calcium carbonate cement compositions presented in this paper can be prepared straightforwardly by simply mixing
Aizenberg   +67 more
core   +2 more sources

Insights into secondary reactions occurring during atmospheric ablation of micrometeoroids [PDF]

open access: yes, 2016
Ablation of micrometeoroids during atmospheric entry yields volatile gases such as water, carbon dioxide, and sulfur dioxide, capable of altering atmospheric chemistry and hence the climate and habitability of the planetary surface.
Court, RW, Tan, J
core   +1 more source

Efeito de produtos alternativos para o controle do bolor verde (Penicillium digitatum) em pós-colheita de citros Effect of the alternative products for control of green mold (Penicillium digitatum) in post-harvest citrus fruit

open access: yesRevista Brasileira de Fruticultura, 2002
O objetivo do trabalho foi verificar a ocorrência de sinergismo entre misturas de produtos alternativos aos fungicidas, para o controle do bolor verde (Penicillium digitatum) em pós-colheita de citros. Foram testados dez produtos individualmente e trinta
DANIEL ANDRADE DE SIQUEIRA FRANCO   +1 more
doaj   +1 more source

Food-grade Pickering stabilisation of foams by in situ hydrophobisation of calcium carbonate particles [PDF]

open access: yes, 2016
© 2016 Elsevier Ltd The aim of this study was to investigate the possibility of stabilising foam bubbles in water by adsorption of calcium carbonate (CaCO 3 ) particles.
Binks, Bernard P.   +3 more
core   +1 more source

Improvement of Filtration Properties of Ghidirim Diatomite (Republic of Moldova)

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2018
The aim of the study was to modify the diatomite from Ghidirim village (Ribnita distinct, Republic of Moldova) with purpose to use it as filter material.
Larisa Postolachi   +3 more
doaj   +1 more source

Effects of CO32− and OH− on the solubility, metastable zone width and nucleation kinetics of borax decahydrate [PDF]

open access: yesRoyal Society Open Science, 2019
Measurements of the solubility and metastable zone width (MZW) of borax decahydrate in sodium carbonate and sodium hydroxide aqueous were obtained. The onsets of nucleation were detected by the turbidity technique with the temperature range from 285 to ...
Jing Chen   +4 more
doaj   +1 more source

Corrosion and deterioration mechanism of water-rich filling materials in carbonate solutions

open access: yes工程科学学报, 2015
In order to research the impact of carbonate ions on water-rich filling materials,strength testing,scanning electron microscopy,X-ray diffraction analysis and IR spectrum testing were used to analyze the macro- and micro-structural change and the ...
GAO Meng, LIU Juan-hong, WU Ai-xiang
doaj   +1 more source

Optimisation of tennis string production from bovine intestine : a thesis presented in partial fulfilment of the requirements for the degree of Master in Technology at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 1999
The collagen and elastin content of the beef thread samples ranged from between 47-70% and 1.2-2.5% respectively. Amino acid analysis showed that the collagen present was probably collagen Type I while the non-collagenous proteins predominantly were ...
Komolwattanachai, Kanda
core  

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