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中国科学院工程热物理研究所燃气轮机MILD燃烧含氢燃料适应性研究进展（图）
燃气 燃料 天然气
2024/11/8
“双碳”背景下，燃气轮机燃烧天然气掺烧绿氢可逐步降低发电碳排放，若能实现纯绿氢发电可实现全过程零碳排放。相较于传统的天然气燃料，燃气轮机燃烧室使用高含氢燃料面临着诸多挑战。氢火焰传播速快、点火延迟时间短带来回火的风险，相同当量比下较高的绝热火焰温度和快速释热会导致氮氧化物排放增加，同时氢气具有显著不同的燃烧特性，具备独特紧凑的反应区形态，导致火焰热声响应的变化显著。目前，国际主流燃气轮机厂商的贫预...
中国科学院工程热物理研究所在燃气轮机MILD燃烧含氢燃料适应性研究方面取得进展（图）
天然气燃料 动力学 高温
2024/9/21
“双碳”背景下，燃气轮机燃烧天然气掺烧绿氢可逐步降低发电碳排放，若能实现纯绿氢发电可实现全过程零碳排放。相较于传统的天然气燃料，燃气轮机燃烧室使用高含氢燃料面临着诸多挑战。氢火焰传播速度快、点火延迟时间短带来回火的风险，相同当量比下较高的绝热火焰温度和快速释热会导致氮氧化物排放增加，同时氢气具有显著不同的燃烧特性，具备独特紧凑的反应区形态，导致火焰热声响应的变化显著。氢燃料适应能力成为燃气轮机未来...
Limitations of the review and meta-analysis of fish and PUFA intake and mild-to-severe cognitive impairment risks: a dose-response meta-analysis of 21 cohort studies
Limitation meta-analysis of fish 21 cohort studies
2018/12/13
The recent meta-analysis by Zhang et al. (1) on fish and PUFA intake and the risk of mild-to-severe cognitive impairment raises several methodologic issues that have important implications for the int...
Rice husk ash supported FeCl2·2H2O：A mild and highly efficient heterogeneous catalyst for the synthesis of polysubstituted quinolines by Friedländer heteroannulation（图）
Rice husk ash Supported FeCl2·2H2O, Quinolines 2-Amino benzophenone Solvent-free Friedlä nder heteoannulation
2013/12/5
Rice husk ash was used as a new, green, and cheap adsorbent for FeCl3. Characterization of the obtained reagent showed that rice husk ash supported FeCl2·2H2O was formed. This reagent is efficient at ...
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...
Silica Sulfuric Acid: An Efficient Heterogeneous Catalyst for the One-Pot Synthesis of 1,4-Dihydropyridines under Mild and Solvent-Free Conditions（图）
aldehyde ethyl acetoacetate ammonium acetate silica sulfuric acid 1,4-dihydropyridine
2013/10/12
A series of 1,4-dihydropyridines have been prepared by a one-pot condensation of aldehydes, ethyl acetoacetate, and ammonium acetate in the presence of a heterogeneous catalyst silica sulfuric acid at...
Catalytic Dehydration of Glycerol under Mild Condition: An Environmentally Benign Acrolein Production
Consuming of Excess Glycerol Production of Acrolein Heterogeneous Method
2013/3/13
The increase of biodiesel production results in the accumulation of glycerol, which requires an increasing demand towards the study of chemical application of glycerol. Glycerol has to be transformed ...
PYROLYTIC PRODUCTS FROM RICE STRAW AND ENZYMATIC/MILD ACIDOLYSIS LIGNIN (EMAL)
PYROLYTIC PRODUCTS RICE STRAW ENZYMATIC/MILD ACIDOLYSIS
2010/10/25
A pyrolysis tube furnace system was designed to assess the impact of different components on pyrolysis characteristics under nitrogen atmosphere, and pyrolysis temperature (400 to 900oC) as important ...
Simultaneous Optimization of Correlated Multiple Surface Quality Characteristics of Mild Steel Turned Product
utility theory principal component analysis Taguchi’s robust design straight turning
2013/1/28
Present work highlights application of utility theory combined with Principal Component Analysis (PCA) and Taguchi’s robust design for simultaneous optimization of correlated multiple surface quality ...
Knowledge Management and Organisational Effectiveness: balancing the mild, the wild and the crazy
Knowledge Management Organisational Effectiveness mild wild crazy
2009/12/8
In the Knowledge Age, effective Knowledge Management (KM) is seen as fundamental to the survival of many organisa-tions. Information Systems (IS) increasingly underpin KM in such organisations. The ...
Sulpha Schiff Bases as Corrosion Inhibitors for Mild Steel in 1M Sulphuric Acid
Sulpha Schiff bases potentiodynamic polarization
2010/9/14
Sulphanilic acid and sulphanilamide schiff bases have been synthesised and evaluated as inhibitors for mild steel corrosion in 1M H2SO4 by electrochemical and non electrochemical techniques. The inhib...
Numerical Analysis of Hydrogen Mild Combustion
Mild combustion Hydrogen oxidation Steam dilution
2009/10/10
Five hydrogen-oxygen combustion mechanisms were analyzed and compared on the basis of experimental ignition delay time data from shock-tube studies available in the literature. Stoichiometric and lean...
Effect of zinc phosphate chemical conversion coating on corrosion behaviour of mild steel in alkaline medium: protection of rebars in reinforced concrete
steel corrosion rebar protection alkaline medium phosphate coating hydroxyapatite
2010/10/12
We outline the ability of zinc phosphate coatings, obtained by chemical conversion, to protect
mild steel rebars against localized corrosion, generated by chloride ions in alkaline media. The corrosi...
专著信息
书名
A Mild and Efficient Cyanosilylation of Ketones Using in situ Generated N-oxides-Ti(OiPr) Complexes as Catalysts
语种
英文
撰写或编译
作者
Shen Yongcun,Feng Xiaoming,Li Yan et al
第一作者单位
出版社
Synlett., 200...
期刊信息
篇名
Grain Size-Dependent Electrical Conductivity in Scandia-Stabilized ZirconiaPrepared by A Mild Urea-Based Hydrothermal Method
语种
英文
撰写或编译
撰写
作者
Gang Xu,Ya-Wen Zhang*,Chun-Sheng Liao,Chun-Hua Ya...