Results 41 to 50 of about 377,251 (289)

Experimental and Numerical Study of Wrought Inconel 718 Under Thermal Cycles of Variable Amplitude Coupled with Mechanical Loading

open access: yesMetals
In this paper, a pulsed laser is applied to realize these complicated thermal cycles experimentally, coupling with the constant mechanical loading with the self-designed sample holder. A numerical simulation model is proposed to calculate the temperature
Sining Pan, Shouwen Xu, Gang Yu
doaj   +1 more source

Calcium carbonate instead of cornstarch as the releasing agent for powder-free surgery gloves [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2019
This research investigated the feasibility of replacing cornstarch with calcium carbonate in surgery glove manufacturing. Cornstarch in slurry form is currently used as the releasing agent in order to prevent the gloves from sticking to the formers, to
Piyachat Wattanachai
doaj   +1 more source

Physical-Mechanical Properties of Chartwell® Coupling Agent-Treated Calcium Carbonate and Silica-Reinforced Hybrid Natural Rubber Composites

open access: yesCrystals, 2022
In this work investigated the possibility of applying a superficial treatment to ultra-fine calcium carbonate aiming to improve its interaction with the polymer chains of natural rubber so it does not act just as a filler.
Gabriel Deltrejo Ribeiro   +7 more
doaj   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Synthesis, dyeing performance and surface finishing effects of aminoethyl methacrylate functionalized stilbene fluorescent whitening agents

open access: yesScientific Reports
Six novel stilbene fluorescent whitening agents bearing aminoethyl methacrylate groups were synthesized. Their molecular orbital energy levels, thermal stability, dyeing performance, and surface-finishing efficacy on cotton fibers were systematically ...
Meng Ou   +4 more
doaj   +1 more source

Scientific Opinion on re‐evaluation of calcium carbonate (E 170) as a food additive

open access: yesEFSA Journal, 2011
The Panel on Food Additives and Nutrient Sources added to Food provides a scientific opinion re‐evaluating the safety of calcium carbonate (E 170). Calcium carbonate is an inorganic salt authorised as a food additive in the EU, and is also included in ...
EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS)
doaj   +1 more source

Improvement of Coral Sand With MICP Using Various Calcium Sources in Sea Water Environment

open access: yesFrontiers in Physics, 2022
Microbial-induced calcium carbonate precipitation (MICP) is a promising technique for strengthening soil. The influences calcium sources (calcium chloride, calcium acetate, and calcium nitrate) and seawater/freshwater environment on the improvement of ...
Jie Peng   +4 more
doaj   +1 more source

Diagnostic analysis of RO desalting treated waste water [PDF]

open access: yes, 2008
Diagnostic analysis of reverse osmosis membranes that were fed with Western treatment plant (WTP) recycled water was investigated by both thermodynamic calculations and laboratory experiments in order to predict the feasibility of RO desalting for WTP.
Cohen, Yoram   +5 more
core  

A practical method for preparing Ca(OH)2 nanodispersions for the consolidation of archaeological calcareous stones [PDF]

open access: yes, 2018
Exposure to atmospheric conditions results in considerable deterioration of calcareous building stones, lime mortars and plasters in archaeological monuments, requiring several conservation treatments.
Caner, Evin, Caner-Saltık, E.N.
core   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

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