搜索结果: 1-15 共查到“化学反应工程 Synthesis”相关记录60条 . 查询时间(0.116 秒)
Optimization of shale gas sweetening process coupling with claus process based on energy synthesis
gas sweetening claus process energy synthesis
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2023/6/19
As a sort of emerging unconventional energy, shale gas has extensive market outlook by virtue of its enormous reserves, and concerns for shale gas exploitation and processing have been raised nowadays...
郭少军团队在Nature Synthesis发文，发现了人工光合成过氧化氢的高效光催化剂（图）
人工光 过氧化氢 光催化剂
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2023/5/16
近日，北京大学材料科学与工程学院郭少军团队在Nature Synthesis发表题为“Photocatalysis of water into hydrogen peroxide over an atomic Ga-N5site”的研究论文，报道了一类反蛋白石结构氮化碳锚定Ga原子位的光催化剂（CNIO-GaSA），发现该新型催化剂具有独特的GaN5原子活性位，可实现高效两电子氧化路径合成过氧化氢...
郭新闻论文成果：Computational and experimental identification of strong synergy of the Fe/ZnO catalyst in promoting acetic acid synthesis from CH4 and CO2
郭新闻 期刊论文 DFT Fe/ZnO
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2023/3/6
DFT calculations have identified reaction pathways for acetic acid synthesis from CO2 and CH4 on ZnO, Cu/ZnO and Fe/ZnO surfaces. Fe/ZnO exhibits strong synergy in facilitating CH4 activation, dissoci...
Metal simplifies synthesis of antibody drugs（图）
Metal simplifies synthesis antibody drugs
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2017/9/5
Rice University scientists have developed a method to efficiently modify natural antibodies that can deliver drugs to target cells. Adding a little extra metal is the key.Rice chemist Zachary Ball and...
Effect of reaction conditions and kinetic study on the Fischer-Tropsch synthesis over fused Co-Ni/Al2O3 catalyst
fused Co-Ni/Al2O3 Fischer-Tropsch synthesis kinetics modeling reaction conditions CO consumption activation energy
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2014/7/8
Co-Ni/Al2O3 catalyst was prepared by the fusion method and used in Fischer-Tropsch synthesis（FTS）. The catalysts were characterized by means of nitrogen sorption and scanning electron microscopy. The ...
Ferric hydrogen sulfate supported on silica-coated nickel ferrite nanoparticles as new and green magnetically separable catalyst for 1,8-dioxodecahydroacridine synthesis
Magnetically separable catalyst Ferric hydrogen sulfate Nickel ferrite nanoparticles 1,8-Dioxodecahydroacridine
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2014/3/8
A new magnetically separable catalyst consisting of ferric hydrogen sulfate supported on silica-coated nickel ferrite nanoparticles was prepared. The synthesized catalyst was characterized using vibra...
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
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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...
Boehmite nanoparticle catalyst for the one-pot multicomponent synthesis of 3,4-dihydropyrimidin-2-(1H)-ones and thiones under solvent-free conditions
Boehmite nanoparticle One-pot synthesis Multicomponent synthesis Dihydropyrimidine Solvent-free
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2014/3/8
A simple, green, and efficient synthesis protocol for the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones using boehmite nanoparticles as catalyst was developed. It did not use any toxic metal catalysts...
Preparation and characterization of nano-CaO based on eggshell waste：Novel and green catalytic approach to highly efficient synthesis of pyrano[4,3-b]pyrans
Nano-calcium oxide Eggshell waste Biocatalyst Pyrano[4,3-b]pyrans Ball-mill
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2014/3/8
Nano-CaO was prepared by calcination of ball-milled chicken eggshell waste. This novel, bioactive, heterogeneous catalyst, which had high catalytic activity and reusability, was used in the green synt...
Nanocrystalline titanium dioxide catalyst for the synthesis of azlactones
Nanocrystalline titanium dioxide Electrochemical reduction method Cyclodehydration-condensation Heterogeneous catalyst
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2014/3/9
Titanium dioxide nanoparticles were prepared by a electrochemical reduction method using parameters such as current density, solvent polarity, distance between electrodes, and concentration of stabili...
Thiourea dioxide: An efficient and reusable organocatalyst for the rapid one-pot synthesis of pyrano[4, 3-b]pyran derivatives in water
Pyrano[4,3-b]pyran Thiourea dioxide 4-Hydroxy-6-methylpyran-2-one One-pot synthesis
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2014/3/11
A series of pyrano[4,3-b]pyran derivatives have been synthesized in excellent yields by the reaction of aromatic aldehydes with malononitrile or cyanoacetate and 4-hydroxy-6-methylpyran-2-one in water...
In situ generation of trityl carbocation (Ph3C+) as a homogeneous organocatalyst for the efficient synthesis of 4, 4’-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol)s
Trityl chloride (Ph3CCl) Trityl carbocation (Ph3C+) 4,4'-(Arylmethylene)-bis(3- methyl-1-phenyl-1H-pyrazol-5-ol) 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one Solvent-free synthesis
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2014/3/11
Trityl chloride (Ph3CCl) efficiently catalyzes the condensation of 3-methyl-1-phenyl-1H-pyrazol- 5(4H)-one and aromatic aldehydes under mild and solvent-free conditions, affording 4,4'- (arylmethylene...
H3PW12O40 catalyzed synthesis of benzoxazine and quinazoline in aqueous media
Heteropoly acid 1,3-Benzoxazine-4-one 2-Substituted-quinazolin-4(3H)-one 2-Substituted-2,3-dihydroquinazolin-4(1H)-one
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2014/3/11
A heteropolyacid efficiently catalyzed the cyclocondensation reaction of 2-aminobenzamide and salicylamide with aldehydes and ketones to afford good yields of benzoxazine and quinazoline ring systems ...
Poly(4-vinylpyridinium)hydrogen sulfate: A novel and efficient catalyst for the synthesis of 13-aryl-indeno[1, 2-b]naphtha[1, 2-e]pyran-12(13H)-ones under solvent-free conditions
Poly(4-vinylpyridinium)hydrogen sulfate Indenonaphthopyrans, H-indene-1,3-dione β-Naphthol
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2014/3/11
An facile and efficient protocol for the synthesis of 13-aryl-indeno[1,2-b]naphtha[1,2-e]pyran- 12(13H)- ones has been developed that proceeds via the one-pot three-component sequential reaction of an...
Silica-bonded N-propylpiperazine sodium n-propionate as recyclable catalyst for synthesis of 4H-pyran derivatives（图）
Silica-bonded n-propylpiperazine sodium n-propionate Heterogeneous solid base catalyst Aldehyde
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2013/12/5
Silica-bonded N-propylpiperazine sodium n-propionate (SBPPSP) was found to act as an efficient solid base for the preparation of a series of 4H-benzo[b]pyran derivatives. SBPPSP was used as a recyclab...