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MethodsLecithin from egg was extracted using aquiferous ethnol and aether.

目的 提取蛋黄卵磷脂,研究提取时间、温度、乙醇浓度及乙醇用量等对卵磷脂提取率的影响。

Batatas by water-dissolving and water-dipping extraction technology and alcohol-water solution extraction technology were studied and compared.

方法利用水溶水浸提取工艺和酒精水溶液提取工艺对紫红薯色素的提取进行研究与比较。

And 16.3% respectively.Compared with direct-heating extraction,MAE may shorten extracting duration,reduce solvent consumption,and improve yield and purity of isoflavones from Belamcanda chinensis.

微波辅助提取与直接加热提取相比可缩短提取时间,降低溶剂消耗,提高产率和提高射干异黄酮的纯度。

The results showed a betulin yield of 25.43%, a purity of 59.19% was achieved from 1g powder of B. platyphylla bark under the extraction temperature of 72℃, microwave power 67W, and extraction time 100s.

试验结果表明,1g白桦树皮粉末,在提取温度72℃、微波功率67W,提取时间100s的条件下,微波辅助提取的桦木醇收率达到25.43%,纯度达到59.19%。

Effects of different reagents, dosages, concentrations, and reduction reagent concentrations on kafirin extraction from Sorghum bicolor were investigated.

以高粱种子为材料,研究了不同提取剂、提取剂用量、浓度和还原剂浓度对高粱种子醇溶蛋白提取的影响。

We also studied and established the optimal extract method and procedure of Bidens parviflora Willd.on the basis of bioassay evaluation and content determination of the total flavone.

又在活性测试的基础上考察了小花鬼针草提取方法和提取工艺,确定了小花鬼针草作为抗前列腺增生药物开发时的最佳提取方法和工艺。

Extraction conditions and application of the red pigment from Bombax malabaricum were investigated.

本文研究了木棉花红色素的提取条件和应用,结果表明,采用 0.5%的38%HCl-95%乙醇作为提取剂,按 1:6的投料比,在常温下浸提 4 小时,木棉花红色素有较大的提取率。

Three parts were included in this study:1. Procedure of salting out in ammonium sulfate and procedure of caprylic acid depositting were used to extract IgG from porcine blood respectively in order to compare two methods and offer the foundation for making the better into practice.

本研究主要包括三部分:(1)分别采用辛酸沉淀法和饱和硫酸铵盐析法从猪血浆中提取IgG,探讨提取IgG的有效方法,旨在为生产中大规模从猪血中提取IgG提供方法依据。

The result of protein concentration analysis, activity detection and sodium dodecyl sulphate - polyacrylamide gel electrophoresis demonstnated that protein content of IgG purified by ammonium sulfate is higher than that of caprylic acid - ammonium sulfate, but the purity and activity of IgG purified by caprylic acid - ammonium sulfate is far higher than that of ammonium sulfate.

本研究中对辛酸-硫酸铵法和硫酸铵法提取鸭血清中IgG进行了比较,经蛋白含量测定和SDS-PAGE电泳分析表明,虽然硫酸铵法提取蛋白含量要比辛酸-硫酸铵法高,但辛酸-硫酸铵法提取IgG的纯度和活性都明显高于硫酸铵法。

The results were as follows:ethanol volume fraction 70%,solid liquid ratio 1∶10,extraction time 10 min,temperature 50℃,ultrasonic power(160 W). Capsella bursa-pastoris ; alkaloids ; ultrasonic ; extraction

近年来,人们用超声波技术提取植物中的生物碱、黄酮、多糖、皂甙、蒽醌、香豆素等生物活性物质[3,4],结果都表明超声波提取比常规提取法费时少

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。