Ví dụ về việc sử dụng Nanofibers trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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Ultrasonic disentangling transforms microfibers(approx. 3-5µm) into nanofibers(≥100nm).
The material- called cellulose nanofibers- weighs a fraction(one-fifth) of steel and is up to five times stronger.
Solutions of NaOH, H2O2 andH2SO4 can be used for alkalization to obtain cellulose nanofibers in a short processing time.
Compared to carbon nanofibers, MWNTs have a different wall structure, a smaller outer diameter, and a hollow interior.
In this work, the research team was able to create very strong and stiff electrodesbased on dopamine functionalized graphene and Kevlar nanofibers.
Nanofibers are materials with diameters and surface features much smaller than the human hair but with comparable lengths.
Even so, wood is not as strong as the nanofibers themselves because defects in alignment occur, which weaken the material.
It is ideal for nondestructive analysis of carbon nanomaterials, e.g., graphene, graphene oxide, carbon nanotubes,and carbon nanofibers.
Scientists at MIT have developed new ultra-strong andsturdy Polyethylene nanofibers and can be used in armor parts that are not too bulky….
But, it's the so-called‘Kyoto Process' where the chemically-treated wood fibresare kneaded into plastic while being broken down into nanofibers.
First, carbon nanofibers are hit by a laser pulse lasting just 100 nanoseconds, which instantly heats the carbon to about 3,727° C(6,740° F) and melts it.
Wong's group determined that their polymer membrane could harvest 744 mg/cm2/h,which is 91 percent higher than similarly designed membranes without these nanofibers.
This process can create diamond nanofibers for use in electronics and even quantum computers, or to seed carbon nanofibers with tiny diamonds.
Dynamic growth of the industry, together with excellent results in the area of both research andbusiness are related to the revolutionary patent of a machine for nanofibers production.
The nanofibers are produced by breaking down the wood pulp into several hundredths of a micron(one thousandth of a millimetre) and have already been used in a variety of products such as transparent displays and inks.
The bedding materials include highlyfunctional fibers such as Nanofront® polyester nanofibers from Teijin- the thinnest in the world- and cotton with special polyester fibers that insulate and retain heat.
There's a growing demand for green alternatives to replace oil-based products and fuels in applications that include pharmaceuticals, food packaging, clothing and building materials,as well as cutting-edge carbon nanofibers and biofuels.
Furthermore, considering new technologies,we should mention that there are Czech companies producing nanofibers for medical purposes and moreover Czech Republic is a significant producer of electron microscopes.
Nanofibers are useful for any application that benefits from a high ratio of surface area to volume, such as solar cells that maximize exposure to sunlight, or fuel cell electrodes that catalyze reactions at their surfaces.
As a result,they were able to precisely control the arrangement of the nanofibers during the printing process, creating simple items that were not only made of wood fiber, but that also had the"ultrastructure" of real wood.
By ultrasonic treatment, a fibrillationof cellulose microfibers can be easily achieved. The ultrasonically produced fibers show a specific morphology in which the nanofibers(≥ 100nm) are distributed across the entire surface of the microfibers(3-5µm).
As a result,they were able to precisely control the arrangement of the nanofibers during the printing process, creating simple items that were not only made of wood fiber, but that also had the"ultrastructure" of real wood.
Professor Hiroaki Yano from Kyoto University, who is leading the research, told Reuters,“This is the lowest-cost,highest-performance application for cellulose nanofibers, and that's why we're focusing its use in auto and aircraft parts.”.
In the Gel-Kayano 25,lab technicians created FlyteFoam Lyte with nanofibers between air bubbles- 200 times thinner than the previous use of microfibers- for a 20 percent enhancement in strength and durability while creating a lighter product.
These scaffolds are made of a variety of different things,from plastics to naturally derived materials, nanofibers of varying thicknesses, sponges that are more or less porous, gels of different stiffnesses.
But by harnessing an electropolymerizationprocess to produce aligned arrays of polymer nanofibers, researchers have developed a thermal interface material able to conduct heat 20 times better than the original polymer.
Researchers have also reported that theunique structural properties of titanate nanotubes and nanofibers make them superior materials for removal of radioactive cesium and iodine ions in water.
Now, researchers at North Carolina State University havedemonstrated a new way to convert carbon nanofibers and nanotubes into diamond fibers that can be performed in a lab more easily than existing techniques.