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Studies on Photodegradation Kinetics of Rhodamine B by Titanium Dioxide - Carbon Composite Materials
Online since: June 2012
Authors: Sheng Min Sun
The data shows that the degradation rate of the reaction solution under acidic conditions is easier than under alkaline conditions.When pH is 6,the degradation effects of Rhodamine B is the best,and the reaction rate is the fastest.
2.2.2 Catalyst dosing quantity of composite light catalytic performance impact
It can be seen from Table 2, under the conditions of the different catalyst dosage, in (C 0/ C) and t is still a good linear relationship, which states that composite raction of Rhodamine B under different catalyst dosage comply with an order kinetics.When the dosage is 5g ,both the rate constant and the rate of degradation reach the maximum.
The initial reaction liquid concentration of 5 mg/L, the degradation rate is the highest.Because of that rhodamine B solution itself has a certain absorbance, the higher the concentration, the darker the corresponding absorbance is better, leading to the relative reduction of the UV light intensity catalyst can be used.
The initial reaction liquid concentration of 5 mg/L, the degradation rate is the highest.Because of that rhodamine B solution itself has a certain absorbance, the higher the concentration, the darker the corresponding absorbance is better, leading to the relative reduction of the UV light intensity catalyst can be used.
Online since: November 2011
Authors: I. Tsopelas, A. Gili, J.P. Xanthakis
Introduction
Despite the continuing reduction of the length of the MOSFET, the frequency of operation has remained constant at about 3GHz - during the last three years due to power dissipation limitations.
Requirements of low power consumption and fast switching or processing of data make the III-V channel transistors attractive also for sensors.
Requirements of low power consumption and fast switching or processing of data make the III-V channel transistors attractive also for sensors.
Online since: October 2011
Authors: Gang Feng Tan, Pin Chang Zhu
Reasonable design of the vibration characteristics of the tailpipe and the reduction of the energy transfer from the tailpipe to the vehicle body would contribute to improve the NVH performance of the passenger cabin, increase the lifetime of the exhaust pipe hooking and lifting lugs and prevent lifting lugs’ beating and falling.
The free mode and the constrain mode of the exhaust system is analyzed using the Hyperwork/Optistruct and the simulation result and the test data is show in table 1.
The free mode and the constrain mode of the exhaust system is analyzed using the Hyperwork/Optistruct and the simulation result and the test data is show in table 1.
Online since: September 2011
Authors: Masakazu Terai, Koichi Minami
The production of steel has high consumption of fossil fuels, so, the steel discharge in the construction of structures has been presented, showing the possibility of drastic reduction by research institutes.
As the load was decreased, the bending crack progressed rapidly, then the data of strain softening behavior could not be recorded.
As the load was decreased, the bending crack progressed rapidly, then the data of strain softening behavior could not be recorded.
Online since: May 2014
Authors: Hong Wei Zhuang, De Hai Xiang, Fa Dong Zhao
Subicetc replaced the metal protective net of cricket helmet with mask made from polycarbonate, and carried a numerically simulation on the process of metal protective net’s impacting moment in ANSYS, found that mask made from polycarbonate could produce a reduction of 25% of cricket’s velocity [1].
Change of mises stress and the total kinetic energy (ABS) Conclusion Through the analysis of the above data, we can come to the conclusions as follows: 1.
Change of mises stress and the total kinetic energy (ABS) Conclusion Through the analysis of the above data, we can come to the conclusions as follows: 1.
Online since: January 2013
Authors: Mu Jian Xia, Hong Yan Ding, Guang Hong Zhou, Yue Zhang, Guo Zhi Zhuang
Recently, TiB2 has been conventionally applied in the potential coatings or films material for various applications to the diffusion barriers in microelectronic devices [2, 3], thermal oxidation and wear reduction coatings for cutting tools [4], and corrosion protection especially [5].
The hardness values were calculated by the computer according to the corresponding load-penetration data.
The hardness values were calculated by the computer according to the corresponding load-penetration data.
Online since: February 2014
Authors: Wen Wu Fu
Mathematical Model and Algorithm Design of Virtual Network Electronic Micro Display Technology
Virtual network processing in the electron microscope needs to handle large amounts of data, so the process needs to be added algorithm [6].
Microwave assisted exfoliation and reduction of graphite oxide for ultracapacitors [J].
Microwave assisted exfoliation and reduction of graphite oxide for ultracapacitors [J].
Online since: September 2018
Authors: Anton S. Chepurnenko, Radjab M. Kurachev, Dmitriy A. Vysokovsky, Pavel A. Shvetsov
Results and discussion
The calculation was carried out with the following initial data: the steel modulus of elasticity Es = 2.1 ∙ 105 MPa, the Poisson's ratio of steel νs = 0.3, the coefficient of linear thermal expansion of steel , the temperature at the inner surface of Ta = 300 ° C, the neutron fluence at the inner surface: Φa = 4 ∙ 1024 neutrons / m2.
Radiation impact leads to an even greater reduction in stresses of the structure concrete.
Radiation impact leads to an even greater reduction in stresses of the structure concrete.
Online since: September 2013
Authors: Martha Lilia Domínguez Patiño, Antonio Rodríguez Martínez, Rene Guardián Tapia, Rosa María Melgoza Alemán, Miguel Aguilar Cortes
Moreover, not only generates topographic information, like other optical microscopes but also provides data on the surface chemical composition.
Complete treatment will consist of preparation, characterization using size reduction (SEM) microscopy and energy dispersion microanalysis (EDS) of all component parts of the printed circuit board.
Complete treatment will consist of preparation, characterization using size reduction (SEM) microscopy and energy dispersion microanalysis (EDS) of all component parts of the printed circuit board.