搜索结果: 16-30 共查到“工学 carbon nanotubes”相关记录41条 . 查询时间(0.125 秒)
Thermal Analysis of Multi-walled Carbon Nanotubes by Kissinger’s Corrected Kinetic Equation
Multi-walled carbon nanotubes (MWCNTs) Nitric acid (HNO3) Activation energy (Ea) Differential scanning calorimetry (DSC) Kissinger’s corrected kinetic equation.
2016/3/29
Carbon nanotubes (CNTs) have been a popular material in recent years, but their thermal characteristics have not been
understood completely. We investigated the unique thermal stability of multi-wall...
Preparation of Isolated Single-walled Carbon Nanotubes with High Hydrogen Storage Capacity
carbon nanotubes synthesis alcohol benzene
2009/11/13
Isolated single-walled carbon nanotubes with high proportion of opening tips were synthesized by using alcohol as carbon source. The mechanism of cutting action of oxygen was proposed to explain its g...
Using Nanotubes in Computer Chips--A new technique for growing carbon nanotubes should be easier to integrate with existing semiconductor manufacturing processes
nanotubes computer chips existing semiconductor
2009/9/15
Researchers in the lab of MIT materials science professor Carl V. Thompson grew dense forests of crystalline carbon nanotubes on a metal surface at temperatures close to those characteristic of compu...
Fiber Optic Chemical Nanosensors Based on Engineered Single-Walled Carbon Nanotubes
Fiber Optic Chemical Nanosensors Engineered Single-Walled Carbon Nanotubes
2009/9/7
In this contribution, a review of the development of high-performance optochemical nanosensors based on the integration of carbon nanotubes with the optical fiber technology is presented. The paper fi...
The Adsorption Properties of Bacillus atrophaeus Spores on Single-Wall Carbon Nanotubes
Adsorption Properties Bacillus atrophaeus Spores Single-Wall Carbon Nanotubes
2009/9/4
An adsorption equilibrium and a kinetic study of Bacillus atrophaeus on Single-Wall Carbon Nanotubes (SWCNTs) were here performed to provide the basis for developing biosensor devices for detecting th...
Carbon Nanotubes as Active Components for Gas Sensors
Carbon Nanotubes Active Components Gas Sensors
2009/9/4
The unique structure of carbon nanotubes endows them with fantastic physical and chemical characteristics. Carbon nanotubes have been widely studied due to their potential applications in many fields ...
Gas sensors have attracted intensive research interest due to the demand of sensitive, fast response, and stable sensors for industry, environmental monitoring, biomedicine, and so forth. The developm...
Researchers make carbon nanotubes without metal catalyst--Oxides, as well as metals, seem to be able to sprout carbon nanotubes, study finds
carbon nanotubes metal catalyst oxides
2009/8/18
Carbon nanotubes - tiny, rolled-up tubes of graphite - promise to add speed to electronic circuits and strength to materials like carbon composites, used in airplanes and racecars. A major problem, ho...
Mn-modified Ru Catalysts Supported on Carbon Nanotubes for Fischer-Tropsch Synthesis
Ruthenium catalyst Carbon nanotube support Fischer-Tropsch synthesis
2009/8/4
Fischer-Tropsch syntheses were carried out in a slurry phase over Mn-modified Ru/carbon nanotube (CNT) catalysts using hexadecane as a solvent. CO conversion and C5+ selectivity were dependent on the...
Novel and Practical Separation Processes for Fullerenes, Carbon Nanotubes and Nanodiamonds
Fullerene Filtration Carbon nanotube Sonication
2009/8/4
Nanocarbons, defined as nanometer-sized carbon clusters including fullerenes, carbon nanotubes and nano-diamonds, are one of the most fascinating materials known today. Applications for electronics a...
Effect of Support Particle Morphology of Ni Catalysts on Growth of Carbon Nanotubes by Methane Decomposition
Methane decomposition Nickel catalyst Carbon nanotube Glycothermal method
2009/7/27
The effect of the morphology of the support particles on nickel-catalyzed decomposition of methane into carbon nanotubes and hydrogen was explored using a thermogravimetric apparatus. Er3Ga5O12 synthe...
Four-Wave Mixing based Wavelength Conversion in a Carbon Nanotubes Deposited Tapered Fiber
Four-Wave Wavelength Conversion Carbon Nanotubes Deposited Tapered Fiber
2015/7/16
We report the observation of four-wave mixing in carbon nanotubes deposited around a tapered fiber with optical deposition method. Wavelength conversion of 10 Gb/s non-return-to-zero signal is demonst...
Simultaneous alignment and micropatterning of carbon nanotubes using modulated magnetic field
carbon nanotubes dispersion, alignment patterning magnetic field
2010/1/18
We report simultaneous alignment and micropatterning of carbon nanotubes (CNTs) using a high magnetic field. It is important to prepare well-dispersed CNTs for alignment and patterning because CNT agg...
Electronic structures and three-dimensional effects of boron-doped carbon nanotubes
boron doping carbon nanotubes superconductivity density functional theory
2010/10/12
We study boron-doped carbon nanotubes by first-principles methods based on the density
functional theory. To discuss the possibility of superconductivity, we calculate the electronic
band structure ...
Environmental Impact Assessment for Potential Continuous Processes for the Production of Carbon Nanotubes
LCA carbon nanotube process design environmental impacts
2009/1/8
As an emerging discipline, nanotechnology has the potential to improve environmental sustainability through its application in pollution prevention, treatment, remediation, etc. One challenging issue ...