查询词典 extraction

To isolate Jasminum flavonoids, it took an investigation to the effect of various conditions in extraction. The result was with EtOH concentration 70%, temperature 75℃, extraction time 4h and the ratio of solution to liquid 1:15.The studies implemented macroporous resin to enrich Jasminum flavonoids.

在茉莉花干黄酮的提取工艺研究中，以乙醇水溶液为溶剂，考察了不同乙醇浓度浸提液、不同浸提时间，不同浸提温度和不同料液比对茉莉黄酮提取效果的影响，通过正交实验确定了茉莉黄酮的最佳提取工艺为乙醇浓度70％，温度75℃，提取时间为4h，固液比为1：15。

Measurements of protein concentration and the sodium dodecyl sulphate-polyacrylamide gel electrophoresis showed that 60%τ-butanol plus 4% DTT at a sample-weight to extraction-solution ratio of 1:8 was optimum for kafirin extraction.

蛋白浓度测定和SDS-PAGE电泳表明，DDT浓度为4%的60%叔丁醇溶液，样品质量比提取剂用量为1：8是提取高粱种子醇溶蛋白的最佳条件。

MethodsUsing single factor experiment and orthogonal design,the effect of temperature, extraction time, concentration of NAOH and ratio of solid to liquor on the extraction of Ligusticum chuanxiong Hort polysaccharide were studied.

目的研究碱法提取川芎多糖的最佳工艺条件。方法采用单因素实验和正交设计研究温度、时间、氢氧化钠溶液浓度、料液比对川芎多糖提取的影响。

Propolis ; Ethanol extraction ; CO_2 Supercritical extraction ; Bacteriostatic circle ; High lipoidemia

蜂胶；乙醇浸出提取； CO_2超临界提取；抑菌圈；高血脂

First, this research developed a set of simple and effective technologies for preparative extraction and separation of flavonoid and phloridzin from Lithocarpus polystachyus, which includes:(1) Microwave-assisted extraction of flavonoid f...

本研究首先研发出一套简单、有效的制备性提取分离多穗柯黄酮类及其根皮苷工艺，这套工艺包括：(1)微波辅助氢氧化钙水溶液提取多穗柯黄酮，最佳工艺条件为用1.2 %氢氧化钙水溶液为提取液，料液比1：12，预煮时间5min，微波功率800W处理25min。

Using design of L9 (3^4), the extraction conditions of total flavonoids from Lithocarpus polystachyus Rehd. in Huaihua were optimized by ethanol solution extraction assisted with ultrasonic, and the variety trends of total flavonoids content were investigated with different natural storage time, different gathering seasons, differrent Lithocarpus polystachyus Rehd.

以怀化产多穗柯为原料，采取乙醇为溶剂超声波辅助提取，以L9(3^4)正交试验方法优化总黄酮提取工艺，然后在该工艺条件下对自然存放时间不同、采摘季节不同、不同叶的多穗柯原料进行总黄酮含量的动态变化考察。

Leaves. Result: Extraction temperature had effect on total flavonoids yield, and ethanol concentration had more obvious effect than extraction temperature. The more natural storage time, the less total flavonoids content, and the average descent rate was 24.74% per year. The flavonoids content from Lithocarpus polystachyus Rehd. gathered between August and October was the highest. The total flavonoids content was higher in the new leaves of Lithocarpus polystachyus Rehd.

结果：乙醇体积分数对总黄酮提取量有显著影响，提取温度对总黄酮提取量有影响；多穗柯自然存放时间越长，总黄酮含量越低，平均每年下降24.74%；不同季节采摘的多穗柯其总黄酮含量以8~10月最高；经对怀化多穗柯嫩叶和老叶中总黄酮的提取测定表明，多穗柯中嫩叶总黄酮含量最高，二年生最低。

The kinetic mechanisms for the extraction of active constituents in dissimilar plants Lycoris radiata and Rhizma polygoni cuspidati by microwave-assisted extraction were investigated. Lycorine, lycoramine and galanthamine in Lycoris radiate, resveratrol and emodin in Rhizma polygoni cuspidati were target constituents.

以鳞茎药材石蒜和根茎药材虎杖作为研究对象，采用微波辅助提取石蒜中的石蒜碱、力可拉敏和加兰他敏以及虎杖中的大黄素和白藜芦醇，研究了提取过程的动力学机理。

The orthogonal test design was used to arrange sequent experiments to test the effect of the four main factors,i.e.,consistency of ethanol,times of reflux,extraction time and temperature on the concrete yield of Lysimachia foenum graecum Hance,and to establish the optimal extraction conditions.

用 L9(34 )正交设计法进行灵香草浸膏的提取试验，研究乙醇浓度、提取温度、提取时间、回流次数对浸膏得率的影响，确定提取灵香草浸膏的最佳条件后，再对所得粗产品进行脱色试验，优选出粗浸膏脱色的最佳条件。

The maro ぷるぷる feeling such humph goes to a minute limpid beautiful flesh likely.including the vegetative ossein, the egg theca extraction, the royal jelly, cosmetology ingredients and so on soybean fermentation extraction coordinates fully.

daiz 由来的植物性骨胶原，蛋膈膜浸出物，蜂王浆等天然材料的美容成分，masiumaro 像引导雪白又柔和的又皮肤细致的本来的皮肤那样地。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"