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浏览/检索结果: 共19条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Enhanced photocatalytic degradation of ciprofloxacin over Bi2O3/(BiO)(2)CO3 heterojunctions: Efficiency, kinetics, pathways, mechanisms and toxicity evaluation 期刊论文  OAI收割 CHEMICAL ENGINEERING JOURNAL, 2018, 卷号: 334, 期号: 2018, 页码: 453-461 作者:  Huang, Yu;  Yao, Jie;  Gong, Han;  Chu, Wei;  Chen, Meijuan   |  收藏  |  浏览/下载：42/0  |  提交时间：2018/09/26 Bi2o3/(Bio)(2)Co3  Ciprofloxacin  Kinetics Model  Degradation Mechanism  Toxicity   An integrated model for predicting the flame propagation in crimped ribbon flame arresters 期刊论文  OAI收割 CHINESE JOURNAL OF CHEMICAL ENGINEERING, 2018, 卷号: 26, 期号: 5, 页码: 930 作者:  Wang, Z;  Sun, B;  Huang, QS;  Jiang, FH;  Wang, Zheng   |  收藏  |  浏览/下载：26/0  |  提交时间：2018/12/29 Microchannel  Airlift-loop Reactor  Flame Arrester  Combustion Characteristics  Chemical Kinetics Mechanism  2-fluid Model  Mathematical Model  Propane  Deflagration And Detonation Flames  Simulation  Air  Tube  Deflagrations  Protection  Mechanism   Mechanism, kinetic model and hydrogen ion apparent diffusion coefficient in magnesium hydroxide dissolution by pressurized carbonated water 期刊论文  OAI收割 REACTION KINETICS MECHANISMS AND CATALYSIS, 2017, 卷号: 122, 期号: 2, 页码: 819-838 作者:  Bo, Jing;  Zhang, Yifei;  Zhang, Yi   |  收藏  |  浏览/下载：26/0  |  提交时间：2017/12/20 Mechanism  Kinetic Model  Dissolution Of Mg(Oh)(2)  Co2  Progressive Liquid Film  H++ Apparent Diffusion Coefficient   Prediction model of sulphur distribution ratio between CaO-FeO-Fe2O3-Al2O3-P2O5 slags and liquid iron over large variation range of oxygen potential during secondary refining process of molten steel based on ion and molecule coexistence theory 期刊论文  OAI收割 IRONMAKING & STEELMAKING, 2016, 卷号: 43, 期号: 1, 页码: 39-55 作者:  Yang, X. M.;  Li, J. Y.;  Zhang, M.;  Zhang, J. 收藏  |  浏览/下载：25/0  |  提交时间：2016/04/22 Sulphur distribution ratio  Desulphurisation reaction mechanism  CaO-FeO-Fe2O3-Al2O3-P2O5 slags  Thermodynamic model  Mass action concentration  Ion and molecule coexistence theory  Structural units  Ion couples  Oxygen potential  Secondary refining of molten steel   Thermodynamic models for predicting dephosphorisation ability and potential of CaO-FeO-Fe2O3-Al2O3-P2O5 slags during secondary refining process of molten steel based on ion and molecule coexistence theory 期刊论文  OAI收割 IRONMAKING & STEELMAKING, 2016, 卷号: 43, 期号: 9, 页码: 663-687 作者:  Yang, X. M.;  Zhang, M.;  Chai, G. M.;  Li, J. Y.;  Liang, Q. 收藏  |  浏览/下载：19/0  |  提交时间：2016/12/13 Phosphorus distribution ratio  Phosphate capacity  Dephosphorisation mechanism  Thermodynamic model  CaO-FeO-Fe2O3-Al2O3-P2O5 slags  Ion and molecule coexistence theory  Secondary refining of molten steel  Mass action concentration  Structural units  Ion couples  Slag oxidation ability  FetO activity   Mineralizer effects on the synthesis of amorphous chromium hydroxide and chromium oxide green pigment using hydrothermal reduction method 期刊论文  OAI收割 Dyes and Pigments, 2015, 期号: FEB, 页码: 487-495 作者:  Wei, G. Y.;  Qu, J. K.;  Yu, Z. H.;  Li, Y. L.;  Guo, Q. 收藏  |  浏览/下载：36/0  |  提交时间：2015/04/01 Chromium oxide green pigment  Hydrothermal reduction  Mineralizer  Chromium hydroxide  Color performance  THERMAL-DECOMPOSITION  COLOR PERFORMANCE  THERMODYNAMIC MODEL  MAGNETIC-PROPERTIES  CR2O3  SOLUBILITY  NANOPARTICLES  KINETICS  COMPLEXES  MECHANISM   Spatial differences and multi-mechanism of carbon footprint based on GWR model in provincial China SCI/SSCI论文  OAI收割 2014 作者:  Wang Y. 收藏  |  浏览/下载：26/0  |  提交时间：2014/12/24 carbon footprint  spatial differences  multi-mechanism  GWR model  China  energy-consumption  structural decomposition  co2 emissions  nonstationarity  methodology  economy  region  trade   Exceptional arsenic (III,V) removal performance of highly porous, nanostructured ZrO2 spheres for fixed bed reactors and the full-scale system modeling 期刊论文  OAI收割 Water Research, 2013, 卷号: 47, 期号: 16, 页码: 6258-6268 H. Cui; Y. Su; Q. Li; S. Gao; J. K. Shang 收藏  |  浏览/下载：16/0  |  提交时间：2013/12/24 Nanostructured ZrO2 spheres  As(III) and As(V) removal  Adsorption  Short bed adsorber (SBA) test  Pore surface diffusion model (PSDM)  nanocrystalline titanium-dioxide  situ preconcentration method  hydrous  zirconium-oxide  acid chelating resin  activated carbon  aqueous-solutions  adsorption mechanism  environmental water  mass-transfer  iron   Design of motion compensation mechanism of satellite remote sensing camera (EI CONFERENCE) 会议论文  OAI收割 International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China Gu S.; Yan Y.; Xu K.; Jin G. 收藏  |  浏览/下载：47/0  |  提交时间：2013/03/25 With the development of aerospace remote sensing technology  the ground resolution of remote sensing camera enhances continuously. Since there is relative motion between camera and ground target when taking pictures  the target image recorded in recording media is moved and blurred. In order to enhance the imaging quality and resolution of the camera  the image motion had to be compensated. In order to abate the effect of image motion to image quality of space camera and improve the resolution of the camera  the compensation method of image motion to space camera is researched. First  the reason of producing drift angle and adjustment principle are analyzed in this paper. This paper introduce the composition and transmission principle of image motion compensation mechanism. Second  the system adopts 80C31 as controller of drift angle  and adopts stepping motor for actuators  and adopts absolute photoelectric encoder as the drift Angle measuring element. Then the control mathematical model of the image motion compensation mechanism are deduced  and it achieve the closed-loop control of the drift angle position. At the last  this paper analyses the transmission precision of the mechanism. Through the experiment  we measured the actual precision of the image motion compensation mechanism  and compared with the theoretical analysis. There are two major contributions in this paper. First  the traditional image motion compensation mechanism is big volume and quality heavy. This has not fit for the development trend of space camera miniaturization and lightweight. But if reduce the volume and quality of mechanism  it will bring adverse effects for the precision and stiffness of mechanism. For this problem  This paper designed a image motion compensation that have some advantages such as small size  light weight at the same time  high precision  stiffness and so on. This image motion compensation can be applicable to the small optics cameras with high resolution. Second  the traditional mechanism control need to corrected  fitting and iterative for the control formula of mechanism. Only in this way  we can get the optimal control mathematical model. This paper has high precision of the control formula derived. It can achieve the high precision control without fitting  It also simplify the difficulty of control mathematical model establishment. This paper designed the range of adjusting of image motion compensation mechanism between -5 +5. Based on choosing-5  -4  -3  -2  -1  0  +1  +2  +3  +4  +4 as the expectation value of the imaginary drift angle  we get ten groups of the fact data in adjusting drift angle measured. The test results show that the precision of the drift angle control system can be achieved in 1. It can meet the system requirements that the precision of the control system is less than 3'  and it can achieve the high-precision image motion compensation. 2011 SPIE.   Analyse the angular velocity estimation errors of -- filter based on high sampling rate (EI CONFERENCE) 会议论文  OAI收割 2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China 作者:  Zhang Y. 收藏  |  浏览/下载：31/0  |  提交时间：2013/03/25 In order to get angular velocity of stabilization servo mechanism from angular position sensors  -- filter based on high sampling rate was established  model and error characteristics were analyzed. With the hypothesis of constant acceleration  -- filter and its angular velocity transfer function were deduced. Combing with optimum parameters  the effects of and sample rate on the error characteristics were evaluated. According to the requirements of stabilization servo mechanism  the frequency characteristics of angular velocity transfer function are analyzed  and the filter parameters are designed. The experimental which filter tracked and smoothed sinusoidal signal  the results show that when the cutoff frequency of angular velocity loop is 44.9rad/s  sampling period and parameters are 0.08ms and 0.01279 respectively  the phase leading of angular position is 70. -- filter tracked sinusoidal signals with maximum angular velocity(30/s) and maximum angular acceleration(30/s2)  the error of angular velocity estimation was 0.053/s. In the engineering of electro-optical stabilization servo mechanism  -- filter can reduce noise effectively  and reached the requirement of platform angular velocity estimation. Also it is one of the effective methods to get angular velocity from angular position sensors. 2011 IEEE.