查询词典 optimum conditions

AIM: To select optimum macroporous resin and adsorption conditions of crocin in Fructus gardeniae .

目的 ：优选栀子西红花总苷的吸附树脂及吸附条件。

The orthogonal experimental result showed that the optimum reaction conditions were as follows: citric acid 7.7 g, isoamyl alcohol 21.7 mL(the molar ratio of citric acid to isoamyl alcohol, 1:5); 1.0 g (4% of the total weight of raw material) NaHSO4H2O as catalyst; 25 mL dimethyl benzene as deaquation reagent; microwave irradiation time 15 mm; the yield of product was 83.2%(the rate of esterification was 95.1%).

通过正交实验，得到最佳的工艺条件如下：柠檬酸7.7g，异戊醇21.7mL（酸醇摩尔比为1：5）；一水合硫酸氢钠作催化剂，用量为1.0 g（为原料总质量的4%）；带水剂为二甲苯，用量为25mL；微波辐射时间为15min。

The optimum reaction conditions were obtained by orthogonal experiments. When the mass ratio of sodium polyacrylate to inorganic substances is 1:1.5:1.5,and the dosage was 0.3%,it got the best water reduc- ing rate 58.75 %.Experimental results showed that the composite deflocculant had good water reducing property in the ceram...

采用正交实验，确定了低分子量聚丙烯酸钠的最佳制备条件，并将其与无机物以不同比例复合，配比为1：1.5：1.5，添加量为0.3%时减水性能最佳，减水率达到58.75%，是一种很好的减水剂。

Objective: To determine optimum culture conditions for the seed embryo culture and rapid propagation of Dendrobium candidum .

中文摘要：目的：研究铁皮石斛种胚萌发和快速繁殖的组织培养技术，为铁皮石斛的繁殖建立最佳培养条件。

The optimum extraction conditions for gingerol were identified as the follows: 70% ethanolas solvent, ratio of material to liquid as 1:12.5, synergistic extraction time 60s with ultrasound wave and microwave for one time.

最佳工艺条件：70%乙醇为溶剂；料液比1：12.5；超声波250 W微波协同处理60 s，姜辣素的提取率达到1.843%，处理后物料经70℃热回流提取2 h，姜辣素的提取率可达到3.262%，是直接热回流提取2 h的1.5倍。

The preparation of glycoluril and the optimum process conditions are studied lthe effects of different etherates on the content of free formaldehyde in the resulting finishing agents are also compared.

对甘脲树脂的制备及最佳工艺条件进行了研究，比较了各种不同醚化剂对整理剂产品中游离甲醛含量的影响。

The optimum synthetic conditions of hexadecanoic acid diethanolamide used two-step method are as follows:(1)reaction temperature was 140℃, reaction time was 4.5hours and molar ratio of hexadecanoic acid to diethanolamide was 1:1.15.(2)reaction temperature was 80℃, molar ratio of hexadecanoic acid to diethanolamide was 1:1.55 and mass concentration of the catalyst was 0.8%, reaction time was 3 hours.

二步法合成十六酸二乙醇酰胺最佳合成工艺为：(1)反应温度140℃、反应摩尔比n十六酸∶n二乙醇胺=1∶1.15、反应时间4.5h；(2)反应温度80℃、反应总摩尔比n十六酸∶n二乙醇胺=1∶1.55、催化剂用量0.8%、反应时间3h。

Through the analysis of range and variance of Cu and Cd removal efficiency, the optimum experiment conditions were hexadecyl trimethyl ammonium chloride used as cathode purging solution, the pH value 4～6, and the voltage 20 V.

通过对正交试验结果进行极差和方差分析，试验的最佳条件为：电压为20 V，阴极液加入十六烷基三甲基氯化铵并控制pH值为4～6。

The optimum reaction conditions were that the molar ratio of maleic anhydride and p-nitroaniline was 1.2:1, the volume ratio of toluene and DMF was 10:1, the amination temperature was 20~30℃ the cyclization temperature was 145~150℃ and the cyclization time was 6 h over; the amount of p-toluene sulfonic acid was 12% of total reactant mass, the amount of copper sulfate was 0.1~0.5% of total reactant mass, the amount of hydroquinol was 0.1% of total reactant mass.

得到的最佳工艺条件是：n：n为1.2：1，V：V为10：1；胺化反应温度为20~30℃，环化反应温度为140~150℃，环化反应时间为6h以上；对甲基苯磺酸用量为反应物总质量的1%~2%；硫酸铜用量为反应物总质量的0.1%~0.5%；对苯二酚用量为反应物总质量的0.1%。

In order to optimize the permeation extracting process of Incarvillea sinensis by orthogonal design, the optimum permeation conditions were investigated by orthogonal design and incarvillateine was used as the content index.

以角蒿酯碱的含量为指标，通过L9(34)正交试验设计，对提取工艺的溶媒浓度、溶媒用量和渗滤速度3个因素进行优选研究，以筛选出角蒿的最佳提取工艺条件。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。