提取

A mathematical model of the relation between ethanol concentration, solid-liquid ratio, time of ultrasonic wave and the extraction ratio of polyphenol in oil-tea seed residue has been established by means of quadratic general rotary unitize design and ultrasonic wave cooperated method.

采用二次通用旋转组合设计试验方法和超声波辅助提取工艺方法，建立了乙醇浓度、料液比、超声时间与油茶籽饼多酚类物质提取率之间的数学模型，绘制了单工艺参数、双工艺参数与多酚提取率之间的函数图像，得出了多酚类物质提取的最佳工艺。

The extraction procedure of crude protein from Vallisneria spiralis L. was to extract the crude protein with sodium hydroxide followed by precipitation with acid. Factors influencing the extraction rate were studied according to the experiments of odd factorsNaOH concentration,Vallisneria spiralis L.

采用碱提酸沉法从苦草中提取粗蛋白，通过单因子试验（单因素：NaOH溶液浓度、固液比、提取温度、提取时间）和L9（34）正交试验，对影响粗蛋白的提取工艺进行了研究；同时比较了不同pH值对粗蛋白沉淀的影响。

Yields of resveratrol and emodin from fermentation broths were 1.2 and 3.3 times higher,respectively, than that by MAE,and 1.6 and 4.2 times higher,respectively,than that by stirring extraction at room temperature.

选择此双水相体系对虎杖发酵液进行提取，所得的白藜芦醇和大黄素的提取率分别是微波辅助提取的1.2倍和3.3倍，分别是常温搅拌提取的1.6倍和4.2倍。

In the process of discoloring, the technology is developed using the macro porous resin as the sorbent.

并确立了果胶提取的最优提取条件为酸度为pH1～2，提取温度为100℃，提取时间为100min，液固比为20：1，在该条件下果胶得率可以达到29.3％。

We can get chitin and protein from the mycelium using the waste alkali and waste hydrochloric acid, so as to enhance its comprehensive benefits.7 The project of the comprehensive treatment of the mother liquorFor the reason of recrystallization, a large amount of mother liquor were produced with the production of IA, except for IA, it also contain residua sugar, mineral and colloid, which could prevent the recovery of IA crystal.

利用回收的树脂再生酸、碱从菌丝体中分离出甲壳素和菌体蛋白，提高的菌体的综合效益。7、衣康酸提取母液的综合治理方案由于衣康酸的提取采用的是重结晶法，因此，生产过程中会产生大量的母液，母液中除了含有衣康酸外，还含有残糖、无机离子及少量小分子胶质物质等，这些成分的浓度相对较高，抑制了母液中衣康酸的结晶和提取，导致这部分母液只能排放，不仅使衣康酸的提取率降低，也加重了污水处理的负荷。

Techniques for extraction of total flavones from leaves of Ku bamboos were studied.

对苦竹类竹叶总黄酮的提取工艺进行了研究，确定了乙醇超声提取法的最佳提取工艺是：75%乙醇，1∶15料液比，超声提取3次，每次20min。

The methods of ultrasonic decolor ization for corn gluten meal and low velocity electric distilling extraction were studied in the tests.

研究超声波处理法对玉米蛋白粉进行脱色的工艺条件和电动搅拌方式提取玉米醇溶蛋白的最佳提取条件，确定最佳脱色条件是：以无水乙醇为溶剂，萃取温度50℃，料液比1：12，超声波处理25min；最佳提取条件是：料液比1：8，50℃水浴加热，低速搅拌提取3h，乙醇的浓度是75%。

The extracting and separating technology of hop oil from hops was studied.

研究了啤酒花中香花油提取分离工艺，比较了新疆产几个主要酒花品种的 CO2 酒花浸膏中酒花油的含量，并通过采用不同的提取方法对酒花油进行提取，确定了酒花油提取的最佳工艺路线，并从经济和技术角度对酒花油的生产工艺进行了可行性分析

It is not difficult to extract simple information such as road lane mark and the relative position of vehicle on the road from the machine vision sensor, so we have made some improvement on the lane mark identification and tracking technology including using a method based on Zernike Moment line detection algorithm, and then use lane mark features to extract the lane marking feature point, and use linear regression method to extract lane mark parameters.

因为在本文研究中通过机器视觉传感器提取的信息相对比较简单，只是提取公路的车道标识线以及车辆在车道中的相对位置，所以改进了基于机器视觉的车道探测方法，包括文中采用了基于Zemike矩的直线检测算法，然后利用车道标识线特征提取出图像中的车道标识线特征点，再采用线性回归的方法提取出车道标识线参数。

The paper explains ultrasonic effect basal principle,and reviews the application of the ultrasonic technology active material extracts hit the target application condition in natural substance ,reaches the ultrasonic technology draw natural substance has draw rate high-speed,merit such as quick and not change effective component.

简述了超声波作用的基本原理，综述了超声波技术在天然产物活性物质提取中的应用情况，得出了超声波技术提取天然产物活性物质有着提取率高、速度快且不改变有效成份等优点。讨论了超声波提取中应注意的问题

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。