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| 1 | Rapid conversion of cellulose to 5-hydroxymethylfurfural using single and combined metal chloride catalysts in ionic liquid显示文摘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 study demonstrated formation of 2-furyl hydroxymethyl ketone(FHMK),and furfural(FF) simultaneously with the formation of HMF.Various reaction parameters were addressed to optimize yields of furan derivatives produced from cellulose by varying reaction temperature,time,and the type of metal chloride catalyst.Catalytic reaction by using FeCl3 resulted in 59.9% total yield of furan derivatives(HMF,FHMK,and FF) from cellulose.CrCl3 was the most effective catalyst for selective conversion of cellulose into HMF(35.6%) with less concentrations of FHMK,and FF.Improving the yields of furans produced from cellulose could be achieved via reactions catalyzed by different combinations of two metal chlorides.Further optimization was carried out to produce total furans yield 75.9% by using FeCl3/CuCl2 combination.CrCl3/CuCl2 was the most selective combination to convert cellulose into HMF(39.9%) with total yield(63.8%) of furans produced from the reaction.The temperature and time of the catalytic reaction played an important role in cellulose conversion,and the yields of products.Increasing the reaction temperature could enhance the cellulose conversion and HMF yield for short reaction time intervals(5~20 min). | Hussein Abou-Yousef El Barbary Hassan Philip Steele | 2013 | 燃料化学学报2013,41,2: | 4 |
| 2 | Cooling performance of earth-to-air heat exchangers applied to a poultry barn in semi-desert areas of south Iraq显示文摘Earth-to-air heat exchangers(EAHE)can reduce the energy consumption required for heating and cooling of buildings.The composition and the thermal characteristics of the soil influence the heat exchange capacity,and the soil moisture can furthermore affect thermal performance of EAHE.The aim of this study was to compare the thermal performance of EAHE in dry and artificially wetted soil.Tests were carried out in the Basra Province(Iraq),in a semi-desert area.Two experimental EAHE were built in a poultry barn and tested from June 2013 to September 2013.The pipe exchangers were buried at 2 m deep.One heat exchanger operated in dry soil(DE),while the other one operated in artificially wetted soil(WE).In the WE system,a drip tubing placed 10 cm above the air pipe wetted the soil around the exchanger.Air temperatures at the inlet and at the outlet of both the exchangers as well as soil temperature at 2 m deep were continuously monitored.The experimental results confirmed that wetting the soil around EAHE improves the general heat exchange efficiency.The coefficient of cooling performance(COP)of the earth-to-air heat exchangers system was evaluated on the basis of the ratio between the heat removed from the air or added to the air and the energy input.During the day,with an average COP of 6.41,the WE system cooled the air more than the DE system,which reported a value of 5.07.On average,in the hottest hours of the day,the outlet temperature of the WE was 37.35℃ while in the DE it was 38.91℃.Moreover,during the nighttime,the WE system warmed the air more than the DE system. | Wasseem Morshed Lorenzo Leso Leonardo Conti Giuseppe Rossi Stefano Simonini Matteo Barbari | 2018 | International Journal of Agricultural and Biological Engineering2018,11,3: | 2 |
| 3 | Glutathione S-transferase isoenzymes in rat brain neurons and glia显示文摘 | Johnson JA el Barbary A Kornguth SE | 1993 | J Neurosci1993,13,: | 1 |
| 4 | A Survey of Behavioral Finance显示文摘 | Thaler R | 2003 | Handbook of the Economics of Finance2003,6,: | 1 |
| 5 | The galls tone ileus:key points and traps of diagnosis with sliced pictures显示文摘 | Barbary C Orlandini F Tissier S | 2004 | J Radiol2004,85,21: | 1 |
| 6 | Complex tibial plateau fractures treated with ilizarov external fixator with or without minimal internal fLxation显示文摘 | BARBARY HE GHANI HA MISBAH H | 2005 | Int Orthop2005,29,3: | 1 |
| 7 | Evaluation of a Cyclone-Based Particulate Filtration System for High-Speed Diesel Engines 显示文摘 | Barbaris L N | 1994 | Proc Instn Mech Engrs1994,20,4: | 1 |
| 8 | Honey and amixture of honey,beeswax,and olive oil - propolis extract intreatment of chemotherapy - induced oral mucositis: a ran-domized controlled pilot study 显示文摘 | Abdulrhman M Samir El Barbary N | 2012 | Pediatr Hematol Oncol2012,29,3: | 1 |
| 9 | Performance of poly (vinly alclhol) thingel composite uitrafihration membra显示文摘 | Lik H Barbari T A | 1995 | J Membr sci1995,105,: | 1 |
| 10 | 查看详情显示文摘 | Li R H Barbari T A | | 0,,: | 1 |
| 11 | Sovereign Wealth Funds and Political Risk: New Challenges in the Regulation of Foreign Investment 显示文摘 | Barbary V Bortolotti B | 2012 | Regulations of Foreign Invest- ment: Challenges for International Harmonization Sin- gapore World Scientific2012,,: | 1 |
| 12 | Haney and a mixture of honey,beeswax,and olive oil-propolis extract in treatment of chemotherapy-induced oral mucositis:a randomized controlled pilot study显示文摘 | Abdulrhman M Barbary NS Ahmed AD | 2012 | Pediatr Hematol Oncol2012,29,3: | 1 |
| 13 | Circulating endotoxin and cytokines after cardiopulmonary bypass:differential correlation with duration of bypass and systemic inflammatory response/multiple organ dysfunction syndromes显示文摘 | Khabar K S El Barbary M A Khouqeer F | 1997 | Clin Immunol1997,85,1: | 1 |
| 14 | Performance of poly (vinly alcohol) thin-gel composite ultrafiltration membranes显示文摘 | Li R H Barbari T A | 1995 | Membrane Sci1995,105,: | 1 |
| 15 | End-to-side neurorrhaphy for median nerve repair after elbow tumor resection:case report显示文摘 | Mouihade F Barbary S Apard T | 2009 | J Hand Surg Am2009,34,1: | 1 |
| 16 | Use of different cooling systems by pregnant sows in experimental pen显示文摘 | Barbari M Conti L | 2009 | Biosystems engineering2009,103,4: | 1 |
| 17 | Performance of poly(minyl alcohol) thin - gel composite ultrafiltration membranes 显示文摘 | Li R H Barbari T A | 1995 | J Membr Sci1995,105,: | 1 |
| 18 | Mini replants:fingertip replant distal to the IP or DIP joint显示文摘 | Dautel G Barbary S | 2007 | Plast Reconstr Surg2007,60,7: | 1 |
| 19 | Performance of poly(vinyl alcohol)thin- gel composite ultrafihradon membranes 显示文摘 | Li R H Barbari T A | 1995 | J Membr Sci1995,105,: | 1 |
| 20 | Complex tibial plateau fractures treated with Ilizarov external fixator with or without minimal internal fixation显示文摘 | el Barbary H Abdel-Ghani H MIsbah H | 2005 | Int Orthop2005,29,3: | 1 |