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  time
    The testing and determination of the solidification time of rapidly solidified powder coating materials and a specially used heating bath
    快速固化粉末涂料固化时间的测定及专用加热池
短句来源
    The optimum conditions for synthesizing the intermediate,4-hydroxy-2-octanone are as follows: reaction time,6 h; reaction temperature,(25 °C); concentration of alkali,4%;
    缩合反应合成中间体4-羟基-2-辛酮的最佳条件为:反应时间6 h,反应温度25°C,碱的浓度4%,丙酮与戊酮的摩尔比4∶1,脱水采用磷酸,副产物少,收率高(85%);
短句来源
    The results showed that the optimal conditions for synthesis of benzyl acetate were: the molar ratio of acetic acid to benzyl alcohol was 2∶1,the amount of the water carrier was 40%,the amount of the catalyst was 3.5%,and reaction time was 6 h.
    结果表明,乙酸苄酯最适宜的合成工艺条件为:酸醇摩尔比2∶1、催化剂用量3.5%(占总质量)、带水剂(苯)用量40%(占总质量)、反应时间6 h。
短句来源
    g-1,the degree of circumfluence was two,and the every time of extraction was 1h was optimal.
    g-1,回流次数为2次,回流时间为每次1 h的条件下,提取效果最好。
短句来源
    Isoamyl isovalerate was synthesized through esterification reaction by using isovaleric acid and isoamyl alcohol as raw materials and nano-H4SiW12O40/SiO2 as catalyst, the influencing factors in the reaction were studied, and the results showed that the esterification rate could reach 98.6 % under the conditions of the ratio of alcohol-acid 1.4∶1, the use level of catalyst 5 %, and the reaction time 1.5 h.
    以纳米复合钨硅杂多酸为催化剂,异戊酸和异戊醇为原料,通过酯化反应合成苹果油,对酯化反应的影响因素进行了研究,结果表明,在醇酸物质的量比为1.4∶1,催化剂用量5%,反应时间1.5h的条件下,酯化率可达98.6%。
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  time of
    The testing and determination of the solidification time of rapidly solidified powder coating materials and a specially used heating bath
    快速固化粉末涂料固化时间的测定及专用加热池
短句来源
    g-1,the degree of circumfluence was two,and the every time of extraction was 1h was optimal.
    g-1,回流次数为2次,回流时间为每次1 h的条件下,提取效果最好。
短句来源
    The best conditions of the method were: the ratio of clove powder to water:1∶10,and time of distillation: 90 min,the yield of the oil 12.96% with the content of eugenol in clove oil 95.38%.
    快速提取法提取丁香油的最佳条件为:原料与水比为1∶10,提取回流时间为90m in,产品收率达12.96%,且含丁香酚95.38%。
短句来源
    The optimal culture conditions for the FS132 producing lipase obtained were as follows: the optimal culture temperature of 36℃,initiation pH of 7.0 for the culture medium,oxygen-consumption of 25mL medium for each 250mL flask and culture time of 45 hours.
    对其产酶条件的初步优化表明,产酶的最适培养时间为45h,培养基最适初始pH 7.0,最适培养温度36℃,最适摇瓶空气量25mL/250mL锥形瓶。
短句来源
    The results indicated that the output of the amino acid could reach 39.9mg/g(dry tropina) under the optima conditions of the hydrolyzation temperature of 90℃,the hydrolyzation time of 2 hr.
    实验结果表明,在最佳水解条件下,即水解温度90℃、反应时间2h、氢氧化钠溶液浓度30%、液固比50:1的条件下,氨基酸产生量可达39.9mg/g干菌体。
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  the time
    It was discussed that the effects of extracting pressure, temperature and time on the extraction efficiencies of the camellia oil by supercritical CO2.The optimal extracting conditions are determined: extracting pressure 25MPa, the temperature 40℃ and the time 2.5 hours. The extraction efficiencies of camellia oils was up to 97.5%.
    研究了超临界CO2萃取茶油时,萃取压力、温度、时间对茶油提取率的影响,结果表明,萃取压力25MPa,温度40℃,萃取时间为2.5h时,茶油的提取率达到97.5%。
短句来源
    The optimal conditions for the transesterification are A1B3C2D3,ether as solvent,ratio of solvent to material 5:1, The consumption of the catalyst is 1.1% the,temperature 60℃,and the time 120min.
    超声波萃取得率27.75%; 酯交换反应的最佳工艺条件是A1B3C2D3,即甲醇:油=5∶1(物质的量之比)、催化剂的用量是1.1%、反应温度为60℃、反应时间100min,且三种提取方法获得的光皮树果实油的酯交换转化率分别为:超临界CO_2萃取95.6%;
    The results show that the optimal fat-producing col1ditions are as fOllow: theconcentration of glucose: 7%, C / N = 50: 1, the amount of inocuIation: 5%, the temperature:28 ~ 30'C, PH 6.5, the time of culture: 4 days.
    结果表明其最佳产脂条件为:葡萄糖浓度为7%,碳氮比为50:1,接种量为5%,温度为28~30℃,PH=6.5,培养时间为4天。
短句来源
    compared with control and low concentration group, high concentration group could significantly increase swallow coefficient (PO.05); high concentration group could significantly prolong the time of swimming;
    与对照组、低浓度组相比较其吞噬系数有显著差异,p<0.05,其它各组吞噬系数无显著差异:高浓度组与对照组在游泳时间上也存在显著差异,p<0.05;
短句来源
    The optimum cultivation time of several funguses fermented on the substrate of straw, lees, pachyrhizus and under the condition of pH7 and 28C was determined by mensurating the content of saccharide, the cellulose activity and the FP activity with the change of the time.
    通过微生物共发酵的方法对发酵后产物滤液中还原糖含量、纤维素酶活力、滤纸酶活力随时间变化的测定,确定了BH菌种和实验室保藏的五种真菌在pH7、温度为28℃的条件下,在稻草、酒糟、地瓜干培养基上进行发酵的最佳培养时间
短句来源
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  reaction time
    The optimum conditions for synthesizing the intermediate,4-hydroxy-2-octanone are as follows: reaction time,6 h; reaction temperature,(25 °C); concentration of alkali,4%;
    缩合反应合成中间体4-羟基-2-辛酮的最佳条件为:反应时间6 h,反应温度25°C,碱的浓度4%,丙酮与戊酮的摩尔比4∶1,脱水采用磷酸,副产物少,收率高(85%);
短句来源
    The results showed that the optimal conditions for synthesis of benzyl acetate were: the molar ratio of acetic acid to benzyl alcohol was 2∶1,the amount of the water carrier was 40%,the amount of the catalyst was 3.5%,and reaction time was 6 h.
    结果表明,乙酸苄酯最适宜的合成工艺条件为:酸醇摩尔比2∶1、催化剂用量3.5%(占总质量)、带水剂(苯)用量40%(占总质量)、反应时间6 h。
短句来源
    Isoamyl isovalerate was synthesized through esterification reaction by using isovaleric acid and isoamyl alcohol as raw materials and nano-H4SiW12O40/SiO2 as catalyst, the influencing factors in the reaction were studied, and the results showed that the esterification rate could reach 98.6 % under the conditions of the ratio of alcohol-acid 1.4∶1, the use level of catalyst 5 %, and the reaction time 1.5 h.
    以纳米复合钨硅杂多酸为催化剂,异戊酸和异戊醇为原料,通过酯化反应合成苹果油,对酯化反应的影响因素进行了研究,结果表明,在醇酸物质的量比为1.4∶1,催化剂用量5%,反应时间1.5h的条件下,酯化率可达98.6%。
短句来源
    Synthesis of isoamyl laurate from lauric acid and isoamyl alcohol with nanometer H3PW12O40 / SiO2 as catalyst is studied, the results showed that nanometer H3PW12O40/ SiO2 was a good catalyst for synthesizing isoamyl laurate, the oplimal conditions were found as follows: molar ratio of lauric acid to isoamyl alcohol was 1∶5, the weight of catalyst was 5%, the reaction time was 2h, yield was about 99.1%.
    以纳米型复合杂多酸H3PW12O40/SiO2为催化剂,月桂酸和异戊醇为原料,合成月桂酸异戊酯。 实验结果表明,纳米复合磷钨酸是合成月桂酸异戊酯的良好催化剂,适宜的工艺条件为酸醇物质的量比为1︰5、催化剂用量占酸质量的5%、回流反应时间为2h,酯化率可达99.1%。
短句来源
    The optimal technological conditions of sulfonation which obtained by orthogonal tests were:n(castor oil acid)∶n(sulfuric acid)=1∶2,reaction temperature is 50 ℃ and reaction time is 6 h.
    结果表明,最佳工艺条件为:n(蓖麻油酸)∶n(浓硫酸)=1∶2,反应温度50℃,反应时间6h。
短句来源
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