查询词典 extraction

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。

At present, the built factory area is more than 10000 m2, setting up modern preparation workshop and extraction workshop; owns nearly 80 sets of advanced equipments as vertical fluid drier, two dimensional movement melangeur, horizontal fluid drier and automatic capsule filling machine; owns production lines of 9 forms of drugs as tablet, capsule, granular formulation, syrup, oral liquid, bulk, tinctures, inuncts and raw material medicine (Rotundine, including pre-processing of TCM and extraction), with annual capacity of 5000 tons granular formulation, 500 million pills of tablet and 80 million pellets of capsule.

目前，建成的厂房面积达10000多平方米，设有现代化的制剂车间和提取车间；拥有立式沸腾干燥机、二维运动混合机、卧式沸腾干燥机、全自动胶囊填充机等各类先进制药设备近80套，拥有片剂、胶囊剂、颗粒剂、糖浆剂、口服液、散剂、酊剂、搽剂、原料药（罗通定、含中药前处理和提取）九个剂型的生产线，具备年生产颗粒剂5000吨、片剂5亿片、胶囊剂8000万粒等的生产能力。

Microwave-assisted extraction and soak extraction were selected to obtain extracts from seeds of Datura metel with ethanol+water (1:1) as extractant and its activity against pest insects was determined.

以乙醇＋水(1：1)作为溶剂，采用微波辅助提取、浸泡提取等方法，从白花曼陀罗种子中得到提取液，用此液对春尺蠖等昆虫进行了活性测定。

Many methods on extraction and separation are determinated by different characteristics of soybean major antigen protein,such as isoelectric precipitatio,cryoprecipitate,salt fractionation,ionic strength and immunization and so on.Influential factors of extraction and isolation include pH of buffer solution,ionic strength,moity and so on.

大豆主要抗原蛋白不同的特性决定其提取和分离方法很多，主要有：等电点沉淀法、冷沉淀法、盐析法、按离子强度不同而沉淀分离法、免疫法等，提取和分离过程中影响大豆主要抗原蛋白分离的因素包括提取缓冲液的pH、离子强度、组成成分等。

For the extraction of Morchella esculenta polysaccharide, the factors affected extraction at different stages were declared by response surface methodology with three factors and three levels according to Box-Benhnken theory for center united experiments.

针对羊肚菌多糖的提取，通过单因素实验，根据Box-Benhnken的中心组合实验设计原理，采用3因素3水平的响应面分析法，确定各工艺条件的影响因子，以羊肚菌多糖提取率为响应值作响应面和等高线图。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐