糠酸,Furoic acid
1)Furoic acid糠酸
1.Supported noble metallic catalysts were prepared with different kind of noble metals and of supports,their catalytic performance for furoic acid hydrogenation were investigated in fixed bed micro-reactor in water under different conditions such as reaction pressure,temperature,H2 space velocity,space velocity of furoic acid and solvent and so on.采用水作溶剂的固定床操作系统,用钌、铑、钯、铂等作为担载金属,氧化硅、活性炭(AC)、γ-三氧化二铝等作为载体,制备了多种负载型催化剂,评价了它们的糠酸选择性杂环加氢催化性能。
2.The hydrogenation and methyl esterification of furoic acid over Pd-Ni/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor under different conditions such as reaction temperature,pressure,H2 space velocity,space velocity of furoic acid and methol,ratio of H2 and furoic acid and so on.以糠酸、甲醇、氢气为原料,采用连续流动固定床微反应器,Pd-Ni/γ-Al2O3为催化剂,使糠酸一步加氢甲酯化生成α-四氢糠酸甲酯。
3.A new method employing furoic acid and the n-butanol to synthesize the furoic acid-n-butyrate flavor has been reported in this paper.以糠酸和正丁醇为原料,改性钼镍粉作催化剂取代以往常用的硫酸作催化剂,合成糠酸正丁酯香料。
英文短句/例句
1.Study on urinary trans,trans-muconic acid variation in rats exposed to benzene and its homologue;苯暴露大鼠尿中反-反式黏糠酸变化研究
2.Effect of Lipoxygenase Activity and Red Seed Coat on Rice Bran Rancidity脂肪氧化酶、红米种皮在抗米糠酸败中的作用
3.Effect of Momelasone Furoate Aqueous Nasal Spray on Chronic Sinusitis after Functional Endoscopic Sinus Surgery糠酸莫米松鼻喷剂在鼻内窥镜术后的疗效
4.Producing Furfural with Overbearing Calcium Phosphate and Hydrolytic Plant Fiber;重过磷酸钙法植物纤维水解生产糠醛
5.Dilute Sulfuric Acid Pretreat and Enzymic Hydrolysis of WMFC平菇菌糠稀硫酸—酶法水解工艺的研究
6.Catalytic oxidation of furfural in vapor-gas phase for producing maleic anhydride糠醛气相法催化氧化制顺丁烯二酸酐
7.Study of Recovery of Acetic Acid from Furfural Wastewater and Furfural Production from Xylose Mother Liquor;糠醛废水中醋酸的回收及木糖母液制备糠醛的研究
8.Deacidification of high-acid rice bran oil by esterification for the raw material of biodiesel高酸值米糠油酯化脱酸成生物柴油原料
9.Development of sugarless water-soluble rice bran fiber yoghurt with active lactobacillus无糖水溶性米糠纤维活性乳酸菌酸奶的研制
10.RICE BRAN EXTRACTION USED AS PICKLING INHIBITOR IN HYDROGEN CHLORIDE ACID米糠提取液作为盐酸酸洗缓蚀剂的研究
11.ACETIC ACID RECOVERY FROM FURFURAT WASTE LIQUOR BY ELECTRODIALYSIS TECHNOLOGY应用电渗析技术从糠醛废水中回收醋酸
12.Study on Synthesis and Antimicrobial Activity of Furfuryl Fumarates;丁烯二酸糠醇酯的合成及其抗菌活性研究
13.The Selective Synthesis of Fructose to 5-hydroxymethyl-furfural(HMF) Catalyzed by Solid Acid;固体酸催化果糖选择性合成5-羟甲基糠醛（HMF）
14.Stydy on Separation of Phytic Acid from Rice BranUsing Ion Exchange Resin;用离子交换法从米糠中提取植酸的研究
15.Study on Purification and Characterization of Rice Bran GAD米糠谷氨酸脱羧酶的分离纯化及其性质研究
16.Study on Structural Feature, Antitumor Activity of Rice Bran Polysaccharide and Their Sulfates米糠多糖及其硫酸酯的结构、抗肿瘤活性的研究
17.Purification and characterization of glutamate decarboxylase from rice bran米糠谷氨酸脱羧酶的分离纯化及酶学性质研究
18.Determination on Degradation Condition of Phytic Acid in Rice Bran Fermented by Bacillus Natto纳豆芽孢杆菌发酵米糠中植酸降解的测定
相关短句/例句
furfuryl furoate糠酸糠酯
3)methyl furoate糠酸甲酯
1.Catalytic Synthesis of Methyl Furoate by Peroxhydrogen and Sulphate Acid;浓硫酸、过氧化氢催化合成糠酸甲酯
2.Using hydrochloric acid as a cheap catalyst,perfumemethyl furoate was synthesized from methanol and furoic acid prepared from furfural,and was characterized by GC,IR and 1H-NMR.从糠醛出发 ,由制备的糠酸和甲醇反应 ,在盐酸催化下 ,合成了香料糠酸甲酯 ,并用IR、1HNMR、GC等进行了表征 ;探讨了包括高纯度糠酸的制备在内的反应影响因素 ,在醇酸物质的量之比为 5∶1、催化剂体积占甲醇体积 13。
3.Using furoic acid and methyl alcohol as raw material,ferric sulfate as catalyst,methyl furoate was synthesized by esterification reaction.以糠酸和甲醇为原料,硫酸铁作催化剂,经酯化反应合成糠酸甲酯。
4)trans-muconic acid反-粘糠酸
1.A method for the determination of urinary trans,trans-muconic acid(tt-MA)(benzene metabolite) by high performance liquid chromatography(HPLC) was developed.建立了高效液相色谱测定职业苯接触者尿中苯的代谢物反,反-粘糠酸(tt-MA)的方法。
5)ethyl furoate糠酸乙酯
1.Catalytic sunthesis ofethyl furoate with solid superacid SO42-/TiO2/Nd3+;固体超强酸SO_4~(2-)/TiO_2/Nd~(3+)催化合成糠酸乙酯
2.Preliminary study on synthesis ofethyl furoate;糠酸乙酯合成的初步研究
6)Furosine糠氨酸
1.The control and analysis of the critic points for the influence on the amount of furosine in UHT milk;影响超高温灭菌纯牛乳糠氨酸含量的关键点分析及控制
2.HPLC determination of furosine in dairy products;HPLC法测定乳品中的糠氨酸
3.A simply analytical method was developed for determination of furosine in bee pollen using high- performance liquid chromatography with a UV detector.建立了高效液相色谱测定蜂花粉中糠氨酸的分析方法,方法用于实际样品测定,评价蜂花粉在贮藏加工过程中营养物质的损失变化。
延伸阅读
糠酸分子式 C5H4O3分子量 112.08CAS号 88-14-2 糠酸为白色单斜菱状晶体,6.67-8.0kPa下于130-140℃升华。熔点133-134℃,沸点230-232℃/101.3kPa、141-144℃/2.67kPa。25℃时K=7.6×10-4。糠酸易溶于乙醇和乙醚,在水中则部分溶解;26ml冷水（15℃）或4ml沸水可溶解糠酸1g。 用途;糠酸主要用于合成呋脲青霉素和头孢噻呋（Ceftiofur）等,是用途极广的医药及染料中间体。
