搜索结果: 1-15 共查到“化学工程 Method”相关记录34条 . 查询时间(0.247 秒)
Machine learning-based atom contribution method for the prediction of surface charge density profiles and solvent design
atom contribution computer-aided molecular design decomposition-based algorithm machine learning
2023/6/19
Solvents are widely used in chemical processes. The use of efficient model-based solvent selection techniques is an option worth considering for rapid identification of candidates with better economic...
Lithium-air batteries were thought promising in the 1970s as a potential power source for electric vehicles, offering energy densities that rival gasoline and significantly surpass conventional lithiu...
Synthesis of Graphene-CdSe Composite by a Simple Hydrothermal Method and Its Photocatalytic Degradation of Organic Dyes（图）
grapheme cadmium selenide organic dye photocatalytic activity
2013/10/11
A graphene-CdSe composite was synthesized by a facile hydrothermal method, and characterized by X-ray diffraction, scanning electron microscopy with energy dispersive X-ray analysis, transmission elec...
Low temperature CO oxidation over mesoporous CuFe2O4 nanopowders synthesized by a novel sol-gel method（图）
Carbon monoxide oxidation CuFe2O4 solid solution Sol-gel Nanopowder Propylene oxide Iron oxide
2013/9/25
Mesoporous CuFe2O4 solid solution nanopowders with high specific surface areas were synthesized by a novel, very simple and inexpensive sol-gel route using propylene oxide as gelation agent, and used ...
A Rapid and Green Method for Solvent-Free Synthesis of 1,8-Dioxodecahydroacridines Using Tetrabutylammonium Hexatungstate as a Reusable Heterogeneous Catalyst（图）
1,8-dioxodecahydroacridine solvent-free condition tetrabutylammonium hexatungstate
2013/10/4
Tetrabutylammonium hexatungstate, [TBA]2[W6O19], has been used as an efficient, inexpensive, and recyclable green catalyst for the one-pot three-component synthesis of 1,8-dioxodecahydroacridines by t...
Enhanced Sonocatalytic Degradation of Rhodamine B by Graphene-TiO2 Composites Synthesized by an Ultrasonic-Assisted Method（图）
grapheme ultrasonication sonocatalytic degradation adsorption rhodamine B
2013/10/5
A series of graphene-TiO2 composites was fabricated from graphene oxide and titanium n-butoxide (TNB) by an ultrasonic-assisted method. The structure and composition of the nanocomposites were charact...
Mild and Highly Efficient Method for Synthesis of 14-Aryl(alkyl)- 14H-dibenzo[a,j]xanthenes and 1,8-Dioxooctahydroxanthene Derivatives Using Pentafluorophenyl Ammonium Triflate as a Novel Organocatalyst（图）
pentafluorophenyl ammonium triflate organocatalyst xanthene β-naphthol
2013/10/7
A simple and facile synthesis of 14-aryl and alkyl-14H-dibenzo[a,j]xanthenes and 1,8-dioxooctahydroxanthene derivatives has been successfully developed by treatment of β-naphthol or dimedone with alde...
Treatment of Textile Wastewater with Chlorine: An Effective Method
Textile wastewater chlorination ETP
2010/9/14
As the chlorination of textile wastewater achieves all the objectives of its treatment such as color removal and reduction of TDS, BOD and COD; and the treated effluents meet the standards set as per ...
DOBD Algorithm for Training Neural Network: Part I. Method
neural network Marquardt overfitting
2009/11/16
Overfitting is one of the important problems that restrain the application of neural network. The traditional OBD (Optimal Brain Damage) algorithm can avoid overfitting effectively. But it needs to tr...
RESEARCH NOTE ON A PARABOLIC HEAT-BALANCE INTEGRAL METHOD WITH UNSPECIFIED EXPONENT: AN ENTROPY GENERATION APPROACH IN OPTIMAL PROFILE DETERMINATION
heat-balance integral method parabolic profile unspecified exponent
2009/10/14
The heat-balance integral method of Goodman is studied with two simple 1-D heat conduction problems with prescribed temperature and flux boundary conditions. These classical problems with well known e...
THE HEAT-BALANCE INTEGRAL METHOD BY A PARABOLIC PROFILE WITH UNSPECIFIED EXPONENT: ANALYSIS AND BENCHMARK EXERCISES
heat-balance integral method heat-conduction parabolic profile unspecified exponent
2009/10/14
The heat-balance integral method of Goodman has been thoroughly analyzed in the case of a parabolic profile with unspecified exponent depending on the boundary condition imposed. That the classical Go...
A NOVEL METHOD FOR ESTIMATING THE ENTROPY GENERATION RATE IN A HUMAN BODY
entropy generation human body surface area heat transfer
2009/10/14
The main objective of this study is to show a method for calculating entropy generation (SBgenB) in a human body under various environmental and physiological conditions. The SBgenB in a human body is...
INCORRECT INVERSE PROBLEM SOLUTION METHOD FOR PARAMETER IDENTIFICATION OF TRANSPORT PROCESSES MODELS
model parameter identification incorrect inverse problems iterative method
2009/10/13
A method for model parameter identification on the bases of minimization of the least square function has been proposed. An iterative regularization procedure and a numerical algorithm have been devel...
Numerical Simulation of a Confined Methane/Air Laminar Diffusion Flame by the Method of Lines
Method of lines (MOL) Unsteady combustion Con ned laminar diffusion flame Flame-sheet model
2009/10/12
A parallel computational fluid dynamics code based on the method of lines approach was developed for the simulation of transient laminar two-dimensional reacting flows. The chemistry was modeled by fl...
Determination of Susceptibility to Intergranular Corrosion of UNS 31803 Type Duplex Stainless Steel by Electrochemical Reactivation Method
Duplex stainless steel Sigma phase Secondary austenite Electrochemical potentiostatic reactivation
2009/9/30
Specimens taken from a hot rolled cylindrical duplex stainless steel (DSS) bar with 22% Cr and 5% Ni
grade were solution annealed at 1050 ◦ C and then sensitization heat treatments were conduct...