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| 1 | Growth of small diameter multi-walled carbon nanotubes by arc discharge process显示文摘Multi-walled carbon nanotubes(MWCNTs) are grown by arc discharge method in a controlled methane environment.The arc discharge is produced between two graphite electrodes at the ambient pressures of 100 torr, 300 torr, and 500 torr.Arc plasma parameters such as temperature and density are estimated to investigate the influences of the ambient pressure and the contributions of the ambient pressure to the growth and the structure of the nanotubes. The plasma temperature and density are observed to increase with the increase in the methane ambient pressure. The samples of MWCNT synthesized at different ambient pressures are analyzed using transmission electron microscopy, scanning electron microscopy, Raman spectroscopy, Fourier transform infrared spectroscopy, and X-ray diffraction. An increase in the growth of MWCNT and a decrease in the inner tube diameter are observed with the increase in the methane ambient pressure. | K.T.Chaudhary J.Ali P.P.Yupapin | 2014 | Chinese Physics B2014，23，3： | 2 |
| 2 | The dilemma of cytomegalovirus and hepatitis B virus interaction显示文摘Hepatitis B virus(HBV)remains a global public health problem despite the availability of effective vaccine and antiviral therapy.Cytomegalovirus(CMV),another hepatotropic virus,is also very prevalent in the general population worldwide.Both HBV and CMV can persist in the host and have potential to reactivate especially with weakened host cellular immunity.Superimposed CMV infection can lead to severe HBV reactivation.The pathogenesis of the co-infection of HBV and CMV remains poorly understood.Studies reported conflicting results regarding the inhibitory effect of CMV on HBV replication.There is an unmet need on the management of co-infection of HBV and CMV;research initiatives dedicated to understanding their interactions are urgently needed. | Muzammil M.Khan Mukarram J.Ali Hira Hanif Muhammad H.Maqsood Imama Ahmad Javier E.G.Alvarez Maria-Andreea Catana Daryl T.Y.Lau | 2022 | Gastroenterology Report2022，10，1： | 0 |
| 3 | Stopping and storing light pulses within a fiber optic ring resonator显示文摘A simple all optical system for stopping and storing light pulses is demonstrated. The system consistsof an erbium-doped fiber amplifier (EDFA), a semiconductor optical amplifier (SOA), and a fiber ringresonator. The results show that the multisohton generation with a free spectrum range of 2.4 nm and apulse spectral width of 0.96 nm is achieved. The memory time of 15 min and the maximum soliton outputpower of 5.94 dBm are noted, respectively. This means that light pulses can be trapped, i.e., stoppedoptically within the fiber ring resonator. | F.H.Suhailin J.Ali P.P.Yupapin Y.Fujii H.Ahmad S.W.Harun | 2009 | Chinese Optics Letters2009，7，9： | 0 |
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