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- corrosion of furoic acid 糠酸腐蚀
- Improved technology for preparation of furoic acid 糠酸制备工艺条件的改进
- Improvement on the Manufacture of Furoic Acid 呋喃甲酸制备方法的改进
- Process of Furoic Acid Hydrogenation over Supported Pd Catalysts 糠酸负载型钯催化剂选择性杂环氢化过程
- This process produces corrosion of metals. 这一过程造成金属的腐蚀。
- Synthesis of Furoic Acid by Catalytic Oxidation of Furfural in the Mimic Enzyme Microreator 模拟酶微型反应器中糠醛催化氧化为糠酸
- Wear and tear or corrosion of the ship. 船舶自然磨损或者锈蚀。
- Determination of Furoic Acid and Furfuryl Alcoho by Reversed-Phase High Performance Liquid Chromatography 反相高效液相色谱法测定糠酸和糠醇
- Determination of furoic acid, furfuryl alcohol and furfural by reversed-phase high performance liquid chromatography 反相高效液相色谱法测定糠酸、糠醇和糠醛
- The silver oxide catalytic oxidation of furfurol in manufacturing furoic acid was improved. 改进了以氧化银为催化剂氧化呋喃甲醛制备呋喃甲酸的方法,产率由原来的44。
- 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。
- The product treatment of ammonia,chlorine,resin. Can withstand the corrosion of acid, alkali salt ammonic, chlorine, the anti-corrosion class is F2. 本系列产品抗强酸、强碱、盐、海水、氯离子腐蚀,防腐等级为F2。
- Acid corrosion of it, but soluble in chloroform, ethylene dichloride, bananas, water and other organic solvents. 它耐酸碱腐蚀,但易溶于氯仿、二氯乙烯、香蕉水等有机溶剂。
- They can withstand the corrosion of strong acid, strong alkali, salt, ammonia, chlorine, and environment of water, more dust and humidity. 强酸、强碱腐蚀,多水、多尘、潮湿等环境。
- The products can withstand the corrosion of strong acid, strong acid, strong alkali, salt, anti-corrosion is F2, protection grade reaches IP65. 本产品抗强酸、强碱、盐腐蚀,防水、防尘,防腐等级为F2,防护等级为IP65。
- For example, hydrofluoric acid, the hot corrosion of glass fiber elements, it should be filled with objects Ho as the case may be. 例如在氢氟酸中,玻璃纤维分子热腐蚀,所以填充何物应视具体情况而定。
- The way using crude material furoic acid and propyl alcohol to synthesize propyl furoate is researched by catalyst stannous oxide.The yield is 77%.The product is late model synthesize spice. 以呋喃甲酸和正丙醇为原料;氧化亚锡为催化剂;合成了呋喃甲酸正丙酯;产率可达77%25.;产品为一种新型合成香料
- The inhibitory performance of triphenyl phospite in naphenic acid to the corrosion of A3 steel was investigated by the mass loss method. 研究了A3钢在硫酸溶液中的腐蚀行为和腐蚀速率,并利用电化学测试仪对A3钢腐蚀过程的电化学特征进行了研究。
- Further more,formylization and cyclization reaction are separately carried out in two tanks to avoid corrosion of acid and alkali for equipments. 同时,将酰化反应和闭环反应分罐进行,避免酸碱物料对设备的腐蚀。
- The dependence of anti corrosion of sulfite on isoascorbic acid was studied through the use of oxygen removal tests, corrosion experiments and electrochemical tests. 通过除氧试验、腐蚀试验和电化学试验,研究了异抗坏血酸对亚硫酸盐防腐蚀效果的影响。