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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。

After reviewing of the localizing technology used in computer assisted surgery, a passive multi-eye localizer is proposed to improve the accuracy and reliability of navigation system.

本文在对计算机辅助外科手术中所用到的定位方法回顾的基础上，以提高系统的定位精度和可靠性为目的，提出了一种被动式多眼定位方法。

The thesis has made a systematic and independent study on passive multi-eye localizer in computer assisted surgery.

本文对计算机辅助外科手术中的被动式多眼定位器进行了系统而独立地研究。不仅进行了大量的理论研究，提出了一些算法，也实现了一个多眼定位器的原型。

3D localizer in computer assisted surgery determines the poses of all the devices in operating theater.

计算机辅助外科手术中的三维定位系统用来确定手术室里所有设备的空间位置，其精确性、可靠性和方便性是手术成功的关键因素。

The work in this paper aims to develop a practical Optical Localizer with high accuracy, this work will aid in the realization of Computer-Assisted Orthopaedic Surgery System.

光学立体定位仪精度高，可靠性强，但是价格昂贵。本文的工作是研制一套实用的，精度较高的光学立体定位系统，为后续的计算机辅助外科手术系统提供帮助。

However,it still has some disadvantages such as too much education content,low lumination in classroom and getting eyes easily tired.

计算机多媒体辅助教学(Computer-assisted instruction，CAI)作为一种现代化的教育技术正在被广泛地运用于各个学科的教学过程中。

The application of ionic liquids aqueous solutions as solvents in the microwave-assisted extraction technique was developed for the extraction of lycorine, lycoramine and galanthamine from Lycoris. Effects of different ionic liquids and the concentration of selected ionic liquids on MAE were investigated, and tradition organic solvent and extraction techniques were compared.

1引言自1986年Ganzler等[1]首次报道采用微波辅助萃取天然产物中化学成分以来，微波辅助萃取技术在食品、环境和天然产物等领域得到了广泛的应用[2~5]，它以萃取时间短、溶剂用量少、选择性强、萃取效率高等优点在中药有效成分的萃取分离方面得到广泛关注[5，6]。

Lycorine, lycoramine and galanthamine in Lycoris radiata were microwave-assisted extracted and determined by HPLC using triethylamine aqueous solution (pH9.00)-acetonitrile-methanol as the mobile phase.

采用微波辅助提取法提取石蒜中的石蒜碱、力可拉敏和加兰他敏生物碱，建立了微波辅助提取／HPLC测定石蒜中这3种生物碱的分析方法。

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。

A study on microwave assisted extraction for berberine in Mahonia bealei was carried out in batch equipment.

研究了在间歇式微波辅助萃取装置中提取阔叶十大功劳叶中的药用有效成分小檗碱。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。