查询词典 extraction

The optimum extraction process of preparation was carried out with orthogonal test,and the craft of extraction by the single factor experiment, and I suruey the corrigent to choose suitable quantity. This result would be technology parameters for production of Shuanghuanglian Oral Liquid.

通过正交试验优选出双黄连口服液最佳的提取工艺，再通过单因素试验考察纯化工艺，并对矫味剂进行考察、筛选，从而为大生产提供合理可行的技术参数。

In the course of establishing standard operating procedure, The temperature, time , the feasibility without decorticating and efficiency were investigated when alliinase was deactivated used a dry heating apparatus in tunnel type, but the efficiency can be achieved less than 70%, need to be improved; The reformative cribriform plate has been proved to be good in practice result in pulping enzyme-deactivated garlic without dehulling; The extraction efficiency achieved more than 90% when volumic ratio of 20% alcohol and water is 3 I 1 and 2:1 was adopted to extract alliin two times respectively; During exact filtration, the ratio of diatomite in precoating and filtration was 3% and 1% respectively, the losses of alliin adsorbed by diatomite in extraction solution were not remarkable. In the stage of alliin isolation by ion exchange resin, three simple and sensitive detected measures were successfully adopted to control the whole process; the efficiency of alliin isolation was similar to laboratory results; The alliin yield was over 50% in acidic fractions and the purity quotient of alliin achieved above 50% after drying; Furthermore, the phenomenon was found that losses of alliin were seriously affected by the temperature and time periods in concentration.

在制定中试生产标准操作规程中，考察了隧道式干热烘干机杀酶的温度、时间和效率，干热灭酶效率只能达到70%，待改进；改良的筛板使带皮打浆效果良好，证明非脱皮熟蒜打浆的可行性，减少了工序，降低了成本；提取过程中，20%酒精分别1∶3和1∶2提取2次，效率达90%以上；硅藻土板框过滤时，探索了精滤过程中提取液中预涂和过滤时硅藻土的比例分别为3%和1%，并考察硅藻土对蒜氨酸的吸附损失，滤液澄明度良好，蒜氨酸损失很少；在树脂吸附分离阶段，采用三种简便灵敏检测手段控制生产过程，分离蒜氨酸的效果与实验室一致，酸性流分中蒜氨酸收率可达50%以上，干燥后蒜氨酸纯度达50%以上；试验发现浓缩蒜氨酸洗脱液时温度和浓缩时间对蒜氨酸损失的具有很大影响。

Two categories of anthocyanins were identified by the HPLC analysis. One is delphinidin that takes 3.7% of anthocyanins extraction, and the other one is cyanidin which holds 0.9% of anthocyanins extraction.

本研究之目的为评估由洛神花所分离的花青素萃取物： HAs，其抗LDL氧化及抗动脉粥状硬化之作用效果，而进行体外抗氧化实验与细胞实验来验证。

So the extraction pocess of the cyanin of Acer ginnala should be away from light,the optimization extraction time was 6 h,pH was lower or equal 3.0,the temperature was 5～20℃C.

因此在整个茶条槭花色素苷的提取分析过程中应尽量避光操作，最佳提取时间为6h，pH值≤3.0，同时温度控制在5～20℃为适宜。

The main experiment on supercritical CO2 extraction technology Cynomorium flavonoids process to explore and identify better conditions for the extraction.

本实验主要对超临界CO2流体技术提取锁阳黄酮的工艺条件进行探讨，以及确定较好的提取条件。

Ethanol for catechin ultrasonic extraction from cynomorium was used. Extraction was continued for twice,once for 80min.

采用50%乙醇对锁阳中的儿茶素超声提取2次，每次80min。

This paper gives the principle, range,characteristic and recent progress of ultrasonic applications in the cleaning, extraction, crystallization/decrystallization, emulsi-fication/demulsification, sonochemistry and oil extraction and so on.

本文主要对超声波在清洗、萃取、结晶粉碎、乳化破乳、超声化学、采油等化工领域中的应用原理、范围、特点和现状进行评述。

The longest time was 22 months.the shortest time was 12 months. Conclusion The extraction planing of missing the first molars in class Ⅰmalocclusion is different from routine extraction mode.This clinical study indicated that it should chose nimble planing and for decurtate treatment time,according to arch crowding, profile and existing of the third molars.

第一磨牙缺失的患者在I类错牙合畸形中的拔牙模式有别于常规，要根据患者牙弓的拥挤程度，面型突度及有无第三磨牙等情况选择治疗计划和有利于缩短疗程的矫治方法。

The processes for extraction of Forutunella Essence, Magnolia Denudate Desr Oil, Lentinus Edode Flavor were studied, especially for the process of supercritical CO_2 extraction.

实验评估与选择了CO_2超临界萃取法萃取金柑挥发油的最佳工艺条件：萃取釜压20Mpa；萃取釜温35℃；CO_2流量7kg／h。

The effects of ,, and temperature on the distribution ratio have been investigated. The composition of the extracted species is determined by the methods of slope ratio, continuous variation,extraction isotherm curves and their chemical analyses. The extraction is found to proceed according to the reaction:AuCl_4 ~-+DEOTA_(0)TAuCl3 .DEOTA_...

着重研究了盐酸浓度、氯离子浓度、氢离子浓度和温度诸因素对萃取的影响；对有机相中金的反萃行为也进行了初探；通过斜率法、等摩尔系列法、萃取等温线法确定了配合物的组成；推定了DEOTA在盐酸体系中萃取金的机理为配位取代反应；计算了萃取反应的表观平衡常数和配合物的稳定常数。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。