搜索结果: 1-15 共查到“理学 catalyst”相关记录30条 . 查询时间(0.046 秒)
在国家自然科学基金项目（批准号：22172156、22321002、22125205和92045302）等资助下，中国科学院大连化学物理研究所肖建平研究员团队和汪国雄研究员团队合作利用反向人工氮循环路线，在电催化合成氨领域取得进展。相关研究成果以“铜锡合金催化剂用于一氧化氮电化学合成氨（Electrochemical synthesis of ammonia from nitric oxide using a copper-tin alloy catalyst）”为题，于2023年11月6日发表在《自然•能源》（Nature Energy）杂志上。论文链接：https://doi.org/10.1038/s41560-023-01386-6。中国学者在电催化一氧化氮合成氨研究领域取得进展（图）
电催化 合成 循环
2024/8/30
在国家自然科学基金项目（批准号：22172156、22321002、22125205和92045302）等资助下，中国科学院大连化学物理研究所肖建平研究员团队和汪国雄研究员团队合作利用反向人工氮循环路线，在电催化合成氨领域取得进展。相关研究成果以“铜锡合金催化剂用于一氧化氮电化学合成氨（Electrochemical synthesis of ammonia from nitric oxide u...
Artificial Enzyme:Protein Designed Entirely From Scratch Functions In Cells As A Life-Sustaining Catalyst（图）
Artificial Enzyme Protein Designed Entirely Scratch Functions In Cells Life-Sustaining Catalyst
2018/2/1
A dawning field of research, artificial biology, is working toward creating a genuinely new organism. At Princeton, chemistryprofessor Michael Hecht and the researchers in his lab are d...
Potassium Salt Outperforms Precious Metals As a Catalyst
Potassium Salt Precious Metals a Catalyst
2015/3/4
"We have shown for the first time that you can efficiently make carbon–silicon bonds with a safe and inexpensive catalyst based on potassium rather than ultrarare precious metals like platinum, pallad...
A Novel MnOx Supported Palygorskite SCR Catalyst for Lower Temperature NO Removal from Flue Gases
Ammonia TPD Low-Temperature SCR Manganese Oxides Palygorskite
2011/11/14
Palygorskite supported manganese oxide catalysts (MnOx/PG) were prepared for lower temperature selective catalytic reduction (SCR) of NOx by NH3. Catalyst’s SCR activity was estimated at varied temper...
Synthesis, Characterization and Performance of Ce0.8La0.2O1.9-ATP Composite Catalyst for Phenol Catalytic Oxidation
Catalytic Activity Ce0.8La0.2O1.9-ATP Co-Precipitation Nano Composite
2011/11/22
Ce0.8La0.2O1.9-attapulgite (Ce0.8La0.2O1.9-ATP) nanocomposite materials were synthesized by co-precipitation method. The microstructure and phase composition of the as-prepared samples were characteri...
Highly Efficient Synthesis of Clean Biofuels from Biomass Using FeCuZnAlK Catalyst
Biomass Biofuel Higher alcohol Liquid hydrocarbon FeCuZnAlK catalyst
2012/4/5
Highly efficient synthesis of clean biofuels using the bio-syngas obtained from biomass gasi-fication was performed over Fe1.5Cu1Zn1Al1K0.117 catalyst. The maximum biofuel yield from the bio-syngas re...
Study of Catalytic Hydrolysis of Alkaline NaBH4 Solution by Ru/Ni Foam Catalyst
Catalyst Chemical Hydride Hydrogen Generation Sodium Borohydride
2011/11/22
A Ni metal form was used to carry the Ru catalyst to induce the hydrogen gas from the NaBH4 solution. Results show the Ni material was replaced by Ru material. Ru has been coating twice or more to cov...
Preparation of Grafting Starch by HRP Catalyst and it’s Application in Leather Tanning Process
Grafting Starch HRP Leather Tannage
2011/12/14
Two grafting starch was obtained by grafting copolymerization of two synthetical vinyl monomers using HRP/H2O2 as catalyst. The structure of vinyl monomers was verified by 1H-NMR.The grafting polymer ...
Vapor phase alkylation of toluene using various alcohols over H3PO4/MCM-41 catalyst: influence of reaction parameters on selectivity and conversion
Alkylation toluene mesoporous MCM-41 vapor phase H3PO4
2010/12/20
A mesoporous MCM-41 molecular sieve material with a molar ratio of SiO2/Al2O3 = 70 and loaded with H3PO4 was used as a catalyst for the alkylation of toluene, using various alcohols, namely methanol, ...
Group-III assisted catalyst-free growth of InGaAs nanowires and the formation of quantum dots
Group-III assisted catalyst-free growth InGaAs nanowires quantum dots
2010/11/25
Growth of GaAs and InxGa1xAs nanowires by the group-III assisted Molecular Beam Epitaxy growth method is studied in dependence of growth temperature, with the objective of maximizing the ind...
Bromodimethylsulfonium bromide/tetrabutylammonium nitrite: an efficient catalyst mixture for the nitration of phenols
Bromodimethylsulfonium bromide nitration nitrophenol tetrabutylammonium nitrite
2010/12/3
Nitrophenols were obtained via direct nitration of phenols with tetrabutylammonium nitrite in the presence of bromodimethylsulfonium bromide at room temperature in high yields under aprotic conditions...
Bromodimethylsulfonium Bromide/ Tetrabutylammonium Nitrite: An Efficient Catalyst Mixture for the Nitration of Phenols
Bromodimethylsulfonium bromide nitration, nitrophenol tetrabutylammonium nitrite
2010/10/19
Nitrophenols were obtained via direct nitration of phenols with tetrabutylammonium nitrite in the presence of bromodimethylsulfonium bromide at room temperature in high yields under aprotic conditions...
Sulfonic acid-functionalized silica: a remarkably efficient heterogeneous reusable catalyst for the one-pot synthesis of 1,4-dihydropyridines
1,4-Dihydropyridine b-dicarbonyl compounds solid acid SiO2-R-SO3H
2010/10/19
An efficient one-pot method for the synthesis of 1,4-dihydropyridines from b-dicarbonyl compounds, aldehyde, and ammonium acetate is reported using sulfonic acid-functionalized silica at 90 °C under s...
Silica supported polyphosphoric acid (PPA-SiO2): an efficient and reusable heterogeneous catalyst for the one-pot synthesis of a -amino phosphonates
a -Amino phosphonates PPA-SiO2 heterogeneous catalyst
2010/10/19
An efficient green protocol is described for the preparation of a -amino phosphonates, employing a one-pot three-component condensation reaction between aldehydes, amines, and trialkyl phosphites in t...
Effect of Additives on Catalytic Cracking of Biomass Gasification Tar over a Nickel-Based Catalyst
biomass gasification tar supported catalyst palygorskite nickel additive carbon deposition tar removal
2011/11/14
The palygorskite-supported nickel (Ni/PG) catalysts were modified by loading with several additives (Fe, Mg, Mn, and Ce) by
incipient wetness impregnation. The effect of the additives and their conte...