搜索结果: 1-15 共查到“化学工程 Using”相关记录56条 . 查询时间(0.312 秒)
学术报告：Development of an ultra-efficient hydrogen peroxide generation and OH radical generation system using a photocatalyst with metal ions immobilized atomically on a PCN derivative
PCN derivative OH radical photocatalyst metal ions
2023/7/19
Development of an ultra-efficient hydrogen peroxide generation and OH radical generation system using a photocatalyst with metal ions immobilized atomically on a PCN derivative.
Computer-aided reaction solvent design considering inertness using group contribution-based reaction thermodynamic model
CAMD MINLP model Reaction solvent Group contribution Inertness
2023/6/19
Solvents have been widely used in process manufacturing industries. When involved in liquid-phase organic synthesis reactions, solvents can reduce the activation energy of reactions between the reacta...
For more than a century, much of the world has run on the combustion of fossil fuels. Now, to avert the threat of climate change, the energy system is changing. Notably, solar and wind systems are rep...
Reducing the use of fossil fuels will have unintended consequences for the power-generation industry and beyond. For example, many industrial chemical processes use fossil-fuel byproducts as precursor...
Production of dimethylether (DME) as a clean fuel using sonochemically prepared CuO and/or ZnO-modified γ-alumina catalysts
ultrasonication methanol DME &gamma -Al2O3 CuO ZnO
2014/3/24
The catalytic conversion of methanol to dimethylether (DME) was studied over CuO/Al2O3, ZnO/Al2O3 and ZnO-CuO/Al2O3 nanocatalysts prepared in presence or absence of ultrasonic irradiation. The catalys...
Simultaneous and sensitive detection of dopamine and uric acid using a poly(L-methionine)/gold nanoparticle-modified glassy carbon electrode
Voltammetry Gold nanoparticle Poly Dopamine Uric acid
2014/3/8
A novel electrochemical sensor was fabricated by electrodeposition of gold nanoparticles on a poly(L-methionine) (PMT)-modified glassy carbon electrode (GCE) to form a nano-Au/PMT composite-modified G...
An efficient one-pot three-component synthesis of tetrahydrobenzo[b]pyran and 3,4-dihydropyrano[c]chromene derivatives using starch solution as catalyst
Tetrahydrobenzo[b]pyran Dihydropyrano[c]chromene Starch solution
2014/3/8
Tetrahydrobenzo[b]pyran and 3,4-dihydropyrano[c]chromene derivatives were synthesized via a one-pot three-component condensation of aromatic aldehydes with malononitrile and dimedone or 4-hydroxycouma...
Electrocatalytic measurement of H2O2 concentration using bis(N-2-methylphenyl-salicyldenaminato)copper(Ⅱ) spiked in a carbon paste electrode
Electrochemical behavior Bis(N-2-methylphenyl-salicyldenaminato)copper(Ⅱ) complex Hydrogen peroxides Electrocatalytic reduction
2014/3/11
The electrochemical behavior of a bis(N-2-methylphenyl-salicyldenaminato)copper(Ⅱ) complex spiked in a carbon paste electrode (BMPSCu-CPE) and its electrocatalytic reduction of H2O2 were examined usin...
Aldol condensations of a variety of different aldehydes and ketones under ultrasonic irradiation using poly(N-vinylimidazole) as a new heterogeneous base catalyst under solvent-free conditions in a liquid-solid system Nader Ghaffari Khaligha, Taraneh Mihankhahb（图）
Ultrasound-assisted reaction Liquid-solid system Poly(N-vinylimidazole) Aldol condensation, Solvent-free
2013/12/5
An ultrasound-assisted aldol condensation reaction has been developed for a range of ketones with a variety of aromatic aldehydes using poly(N-vinylimidazole) as a solid base catalyst in a liquid-soli...
Simultaneous detection of hydroxylamine and phenol using p-aminophenol-modified carbon nanotube paste electrode（图）
Hydroxylamine and phenol determination p-Aminophenol Multiwall carbon nanotube paste electrode Voltammetry
2013/9/25
A carbon paste electrode that was chemically modified with multiwall carbon nanotubes and p-aminophenol was used as a selective electrochemical sensor for the simultaneous detection of hydroxylamine (...
Dehydration of xylose to furfural using a Lewis or Brönsted acid catalyst and N2 stripping（图）
Lewis acid, Brö nsted acid Reaction mechanism Xylose dehydration Furfural Nitrogen stripping
2013/9/26
The activity of Lewis (Nb2O5) and Brönsted (Amberlyst 70) acid catalysts for the cyclodehydration of xylose to furfural was studied. The nature of the acidity resulted in significant changes in t...
Rapid nonenzymatic monitoring of glucose and fructose using a CuO/multiwalled carbon nanotube nanocomposite-modified glassy carbon electrode（图）
Nonenzymatic detection Copper oxide Multiwalled carbon nanotube Modified glassy carbon electrode Glucose Fructose Simultaneous determination
2013/9/26
A nonenzymatic electrochemical sensor for glucose and fructose was fabricated that contained a glassy carbon electrode modified with a copper oxide (CuO)/multiwalled carbon nanotube (MWCNT) nanocompos...
Voltammetric determination of ascorbic acid in the presence of acetaminophen and tryptophan using an improved carbon nanotube paste electrode（图）
Ascorbic acid Acetaminophen Tryptophan Carbon nanotube paste electrode Electrocatalysis
2013/9/26
A carbon paste electrode (CPE) modified with carbon nanotubes and 5-amino-3',4'-dimethyl- biphenyl-2-ol (5ADB) is prepared. Under the optimum pH of 7.0, the oxidation of ascorbic acid (AA) on the modi...
Rapid conversion of cellulose to 5-hydroxymethylfurfural using single and combined metal chloride catalysts in ionic liquid
Microcrystalline cellulose ionic liquids 5-hydroxyfurfural metal chlorides
2014/4/10
Direct conversion of cellulose into 5-hydroxymethylfurfural (HMF) was performed by using single or combined metal chloride catalysts in 1- ethyl-3-methylimidazolium chloride (Cl) ionic liquid. Our stu...
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...