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- The effect of reaction time, alcohol acid mol ratio and catalyst amount to ester yield was studied. 研究了反應時(shí)間、醇酸物質(zhì)的量比和催化劑用量對酯收率的影響。
- The influence of catalyst amount, reaction time and temperature on polycondensation of BHET wasstudied. 研究了在對苯二甲酸乙二酯縮聚反應中催化劑用量、反應時(shí)間、反應溫度的影響。
- The effect of material ratio, catalyst amount, reaction temperature and time on the yield of adipic acid is studied. 探討了物料配比、催化劑用量、反應溫度、反應時(shí)間對己二酸產(chǎn)率的影響。
- The affects of catalyst amount, molar ratio of phenylethyl alcohol and iso-valeric acid, reaction time and dehydrating agent amount were studied. 研究了催化劑用量、載體二甲苯用量、醇酸比例以及反應時(shí)間對反應結果的影響。
- The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated. 對苯甲醛與1,3-丁二醇在釩磷氧催化劑作用下的縮醛化反應進(jìn)行了研究,考察了醇醛比、反應時(shí)間、催化劑用量、帶水劑種類(lèi)和體積等因素對苯甲醛1,3-丁二醇縮醛收率的影響。
- The effects of catalyst amount, reaction temperature, molar ratio of absolute ethanol and EO, and reaction time on conversion and yield have been examined.The process can produce high quanlity of solvent with high selectivity and high yield. 該工藝過(guò)程簡(jiǎn)單，操作容易，三廢少，選擇性高，收率高，生產(chǎn)的產(chǎn)品是一種性能優(yōu)異的理想溶劑。
- The effects of reaction parameters such as feedstock molar ratio, catalyst amount, reaction time and the use of water absorbent on selectivity of esterification were investigated in detail. 探討了甲醇與順丁烯二酸酐的物質(zhì)的量比、催化劑用量、反應時(shí)間及吸水劑對酯化選擇性的影響。
- He has a large amount of mail to answer every day. 他每天有大量的信件要回復。
- The carpet will stand any amount of wear. 這地毯極其耐用。
- The offer of a new job provided just the catalyst she needed. 這份新工作正是她所需要轉變的契機。
- The amount of a claim on an insurer by an insured. 險損賠償額保險人從承保人獲得的賠償數量
- A large amount was deceived by that deceiver. 一大筆錢(qián)被那個(gè)騙子騙走了。
- The total amount is in the fifties. 總共五十多個(gè)。
- Just think of the amount of time wasted. 想一想多少時(shí)間被浪費了。
- The amount of unemployed capital is very large. 未被利用的資金數量很大。
- My husband earns thrice the amount I earn. 我丈夫掙的錢(qián)是我的三倍。
- The railroad gives free transportation for a certain amount of baggage. 鐵路免費運送的行李是有一定數量的。
- He gave her a fifth of the total amount. 他給了她總量的五分 之一。
- She has a fair amount of money put by. 她存了不少錢(qián)。
- His debts amount to 5,000 pounds. 他的債務(wù)共達五千鎊。
