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Results indicate that the optimum extraction conditions are as follows: ultrasonic power is 600W, temperature is 53℃, the ratio of liquid to solid is 8︰1, ultrasonic treating time is 70min, reflux extraction time is 120min, the extraction rate of oleanolic acid is 3.000 mg/g; XDA-1 resin is favorable in purification of OA in Chaenomeles sinensis Koehne, the optimum purification conditions are found to be 0.794 mg/mL of OA concentration, the flow rate of adsorption is 0.5 mL/min; the desorption solvent is 90% ethanol, and the flow rate of elutant is 1.0 mL/min.

结果表明,超声波辅助提取最佳工艺条件为:超声功率600 W、提取温度53℃、液料比8:1、超声波提取70 min,回流提取120 min,齐墩果酸得率为3.000 mg/g;XDA-1型大孔树脂对齐墩果酸具有较好的吸附和解吸效果,最佳纯化工艺条件为上柱液浓度0.794 mg/mL,吸附流速0.5 mL/min;以90%浓度乙醇洗脱,洗脱流速1.0 mL/min,纯化后得提取物中齐墩果酸纯度可达26.55%。

This article microbiofilmtechonology fermention colibacillosis ASP-311 technology, to the strains to fumaric to slfia to fermetation asparate; qsdhmm oluv in movingbed emulsifications, decolourization decolourization of temperature, time, as well as the pH value of l - omniberaing conditionson decolouring asparate, the resulting effect of: movingbed or by 1.0% concentration, temperature is 60 700℃ decolourization, 0.5h, decolourization time for the pH of 6, in this condition, oluv of 3.2% absorbance at decolouring.

毕业论文翻译(本文生物学术语多,切勿使用在线翻译)本文利用微生物发酵培养技术,以大肠杆菌ASP-311为发酵菌株,以富马酸为底物来发酵生产天冬氨酸;研究了发酵液中活性炭的使用量、脱色的温度、脱色的时间以及pH值等各种条件对L-天冬氨酸脱色效果的影响,最终得出:活性炭的浓度为1.0%,脱色温度为60℃,脱色时间为0.5h,pH为6,在此条件下,发酵液的吸光度为3.2%,此时的脱色效果达到最佳。

Using microorganism fermentation cultivation technique, with escherichia coli strains of ASP - 311 for fermentation, with rich fumaric acid as the substrate to ferment produce l-aspartic acid, Study the result of activated carbon, and the temperature, the use of bleaching time and discoloring pH value of various conditions, aspartic acid decoloring effect, and finally: the concentration of carbon, decoloring temperature of 1.0% 60 degrees, the bleaching time for 0.5 h, pH for 6, in this condition, the result is the absorbency of decolour 3.2%, to achieve the best effect.

本文利用微生物发酵培养技术,以大肠杆菌ASP-311为发酵菌株,以富马酸为底物来发酵生产天冬氨酸;研究了发酵液中活性炭的使用量、脱色的温度、脱色的时间以及pH值等各种条件对L-天冬氨酸脱色效果的影响,最终得出:活性炭的浓度为1.0%,脱色温度为60℃,脱色时间为0.5h,pH为6,在此条件下,发酵液的吸光度为3.2%,此时的脱色效果达到最佳。

The steps are as the following:1、Preparing the cerebrospinal fluid one hour before the experiment,take some of them for cryopreservation;2、Without paralyse,cuting down the rat head quickly and dislodge the hippocamp part which is used in the experment in freezing liquid,and trim the hippocamp distrct.3、Fixing the hippocamp tissue on the vibratome,to cut down a brain slice with 300μm,use the haustorial tube to move the slice to the preincubate dish,cultivanting it for one hour.Then move it to the record incubation chamfer.4、Preparing the glass micloelectrode and fill it with NaCl,the corcentation is 3mol/L.5、adjusting the recorder,after cultivate the brain slice in the incubation chamfer for 2 hours,the expermentize can be gone on.6、In order to ensure the accurate of the experimental result,use only one medicine concentration for one brain slice in every experiment.

本实验研究方法是:1、实验前1小时配制好所需脑脊液并充以95% O2和5% CO2的混合气,取小部分冷冻保存;2、在乙醚麻醉下,快速断头并在冷冻液里取出包含海马的大脑部位,修整出所需海马区;3、将海马组织固定于振动切片机上切出300μm厚的海马脑片,用广口吸管转移至预孵育皿培养一小时,后再转移到记录用孵育槽内;4、拉制好玻璃微电极,并充以3mol/L的NaCl;5、调试好记录仪器,将脑片在孵育槽内培养2小时后进行实验;6、为了保证实验结果的准确性,每一块脑薄片只进行一个浓度的药品实验。

A very large sample plug was introduced hydrostatically into the capillary (65 cm×50 μm i.d., effective length of 35 cm) over 80 s at a height difference of 11 cm. The working conditions for CE-FA separation are as follows: operating voltage, 10 kV; running buffer, 67 mmol/L phosphate, pH 7.4. The unbound ketoprofen concentration was directly measured from the height of the frontal peak.

一大体积样品虹吸进样至未涂层毛细管(65 cm×50 μm i.d。,有效长度35 cm),进样时间80 s,毛细管两端高度差11 cm,工作电压10 kV,运行缓冲液为67 mmol/L磷酸盐缓冲液(pH 7.4),游离酮洛芬浓度由前沿峰的高度直接测定。

RESULTS: Eighty-nine children (58 males and 31 females), ranging in age from 1 to 13 years, participated in the study. Of 172 ears assessed in the study, middle ear effusion was detected in 125; the remaining 47 ears were found to be dry at myringotomy or tympanic aspiration.

结果:共收集89名病患,其中经鼓膜切开术或鼓膜抽吸术确定有中耳积液者有125耳,没有中耳积液者有47耳。

The experimental results have shown that ofloxacin in HCl (0. 1 mol/L)solution has maximum absorptivity at 293nm. Good linear correlation is seen between concentrations of ofloxacin in the range of 18 μg/ml and their absorptlvity. The results of experiment of stability show that light and heat have almost no effect on ofloxacin otic Solution. The validity is two ...

实验结果表明氧氟沙星用盐酸作溶剂在紫外区有最大吸收,最大吸收波长为293nm,在测定范围内(1-8μg/ml)浓度与吸光度呈线性关系;药用辅料对浦耳液中氧氟沙星的含量测定无干扰;稳定性试验表明光、热对氧氟沙星滴耳液(pH=6-7)的含量影响不大,根据加速试验和室温留样试验可将本品有效期定为二年。

For VC suspended emulsion polymerization initiated by potassium persulphate, the initial polymerization rate is proportional to 133 and proportional to RpJ0 72, where

以 KPS为引发剂进行的 VC悬浮态乳液聚合,基本上是在隔离的小水滴内进行的,类似于乳液聚合机理,但齐聚物自由基的相转移可以引发少量的单体相聚人采用优化的聚合工艺条件,得到转化率大于70%、颗粒仍由基本不熔结的初级粒子组成、吸油率为 19。

The optimum technology of extracting flavonoids in polygonatum was studied by orthogonal test.

用正交试验法对玉竹中的黄酮类化合物的提取工艺进行了优选研究,采用正交表L16(4^5),以提取时间、提取温度、提取次数、提取剂中乙醇含量以及料液比为因素,以总黄酮显色液的吸光度为指标进行试验。

The desulfurizing absorption tail liquid treated by microbe is basic, and it can return directly to the desulfurizing absorption unit and be reused as a basic absorption liquid; the chemical oxidant is oxygenized by microbe to revive.

脱硫吸收尾液经微生物处理出水为碱性,可直接返回脱硫吸收单元作为碱性吸收液循环利用;化学氧化剂通过微生物氧化实现再生。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。