Examples of using Cnts in English and their translations into Hebrew
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Colloquial
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Ecclesiastic
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Computer
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Programming
Nano particles(e.g. Al2O3/SiC, CNTs) are used as reinforcing material.
First CNTs were dispersed in 50mL of distilled water by sonication for about 30 min.
Sonication is proven toproduce high-quality nanocomposites with highly dispersed CNTs, graphene….
After that the obtained aqueous dispersion of CNTs was combined with the polymer suspension and mixed for 30 min.
Hielscher Ultrasonics supplies powerful andreliable ultrasonic equipment for the efficient dispersion of CNTs.
Ultrasonic dispersers are the most common tool to distribute CNTs into aqueous and solvent-based suspensions.
To disperse CNTs in the SAN matrix, a Hielscher UIS250V with sonotrode for probe-type sonication was used.
Hielscher offers ultrasonic mixers for the effective dispersing of cement, silica, fly ash,pigments or CNTs.
To exploit the exceptional functionalities of carbon nanotubes(CNTs), they must be homogeneously dispersed.
They then heat the combination in a reactor that contains a metal catalyst like nickel or iron,which then forms CNTs.
The problem is that once the CNTs form, unreacted compounds(up to 97 percent of the initial feedstock) are often released into the air.
The ultrasonic dispersing technology creates sufficiently highshear energy to achieve a complete separation of CNTs without damaging them.
We grow the CNTs directly, and with the aid of the organic crystals that coat them, we can see them under a microscope very quickly.
For analysis, SAN dispersions containing different concentrations of CNTs were cast in Teflon forms and dried at ambient temperature for 3- 4 days.
Carbon nanotubes(CNTs) are part of a special class of one-dimensional carbon materials, exhibiting exceptional mechanical, electrical, thermal, and optical properties.
Knowing the catalyst's role could help researchers manipulate CNTs' formation atom by atom- much more precisely than they can now, she says.
The applications of these CNTs are, we believe, truly innovative and will serve as a catalyst to other similar products that can be greatly improved using our carbon composite material.
Plata points out that the MIT study analyzed onlyone of several feedstock gases used to make CNTs, and that the same analysis needs to be done for the others.
Nanoparticles such as silver, copper, CNTs, graphene, graphite, other metal-coated particles and nanocomposites are incorporated for high conductivity.
Ultrasonic dispersion is used to produce nanofuels or diesohol, a fuel blend of ethanol and diesel,which is improved by the addition of CNTs or nanoparticles. Power ultrasonics produces super-fine.
But for her own part,she is now focusing on how CNTs form, trying to determine the precise interaction of the metal catalyst and the hydrocarbons in this process.
CNTs expose a very high tensile strength, superior thermal transfer properties, low-band gaps and optimal chemical and physical stability, which makes nanotubes an promising additive for manifold materials.
Using Hielscher's flow cells, it becomes possible to disperse CNTs into liquids of elevated viscosity such as polymers, high viscosity melts and thermoplastics.
Synthesis of CNTs: CNTs can be produced by plasma based synthesis method or arc discharge evaporation method, laser ablation method, thermal synthesis process, chemical vapor deposition(CVD) or plasma-enhanced chemical vapor deposition.
The researchers suspected thatnot all of those compounds were essential for growing CNTs, and they knew that heating the feedstock gas plays a critical role in creating the dangerous compounds.
Functionalization of CNTs: To improve the characteristics of carbon nanotubes and make them thereby more suitable to a specific application, CNTs are often functionalized, e.g. by adding carboxylic acid(-COOH) or hydroxyl(-OH) groups.
Powerful ultrasonic dispersers allow to synthesize, deagglomerate and distribute metallic(e.g.Ag), carbon-based(e.g. CNTs, graphene) nanoparticles as well as nanocomposites with excellent electrical conductivity.
Fillers such as carbon black(e.g. CNTs, MWNTs), graphene, or silica must be homogeneously dispersed in the matrix to provide the desired material properties. Power ultrasonics….
For cement, silica, fly ash, pigments or CNTs, the performance of these materials is significantly increased by ultrasonic dispersing, as it improves the particle distribution and contact with water.