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In this study, the extracting of flavonoids from sweet potatoes and the antioxidant activities of the extracts were investigated.

作者研究了从红薯中提取黄酮类活性物质的最佳方法以及该提取物的抗氧化性。

The basic theories of mathematical morphology for binary image are stated, and the most simple structure elements of morphologic transformation for binary images are proposed and proved. The geodetic morphologic transformation models are also developed. For the purpose of improving the speed of transformation in computer, the"set symmetric difference"is introduced to adapt each model. Some new morphologic filtering models and quantitative evaluating model of filtering effects in image processing are proposed, under the applied condition. The morphologic thinning methods are studied, and two new morphologic thinning models are developed. On the basis of analyzing the characteristics of mining maps, the image vectorizing tactics and a series of algorithms are proposed, including dynamic adaptive image thresholding using two thresholds, graphic and text separation, noise removal, and multi elements extracting models with mathematical morphology. Accuracy preserving compressed vectorizing model for image vectorization is put forward to generate vector data in multi layer.

论文对二值图象形态学的基础理论进行了较系统的阐述，提出并证明了二值图象处理中形态变换的最简单结构元素，并发展了测地形态变换模型；为了提高形态变换的计算机实现速度，引入了集合论中"对称差"的概念对各形态变换模型进行了改化；针对数学形态学在图象处理中的实际应用，提出了新的形态滤波模型及滤波效果的度量评价模型；研究了形态细化方法，提出了快速形态细化和保形快速形态细化算法；在研究矿图基本特征基础上，提出了人机协同矿图扫描图象矢量化处理策略及一系列扫描图象处理算法模型，包括双阈值动态自适应图象二值化、图文分离、噪声去除、图面多种要素提取形态变换模型等；在图象栅格—矢量转换中，提出了保精度压缩矢量化模型，以生成分层要素矢量数据。

An algorithm for extracting features with symmetric figure, such as buildings and so on, from binary image, as well as a measurement of image matching.

4，地形图二值图象中具有对称形状要素的提取方法，以及一种图象匹配的量度，实现了地形图中具有对称形状要素的建筑物、构筑物的提取。

The measurement takes account of accumulation of discrepancy signals, distribution of discrepancy signals, and treatment of preternatural discrepancy signals. Based on the measurement, this paper presents, at the same time, a new algorithm for extracting features with symmetric figure on scanned topographic map.

前者匹配效率高，稳定性好，对图象的非本质的变化不敏感；而后者利用图象中的所有信息，所以区分不同图象的能力强，精度高，特别是它能在十分复杂的图象环境下(此时很难甚至不可能使用特征匹配法)有效地工作。

The better understanding and extracting from different culture, we could syncretize the international design ideas with ours, then the positive cycle...

民族符号并不简单的等同于传统装饰符号、图案，它是民族精神和民族文化的外在体现，是民族特性系统化的体现。

Objective: Extracting the total protein from scoipii tegument, investigating its effect on immune system by transformation of T/B cell. Method: Water-soluble protein was extracted by distilled water method and salting-out method, while keratin(ST2) by deoxi-dization method.

中文摘要：目的：为了证明蝎皮对免疫功能的影响并探讨蝎皮中含有的活性成分，通过提取分离蝎皮中的水溶蛋白质和角蛋白质组分，经过体外药理活性筛选，观察其对细胞或体液免疫系统的影响，以期获得具有生物活性的蛋白质组分。

The present invention discloses a method for separating and extracting polyhydroxy fatty acid ester from bacterial thallus.

本发明公开了一种从细菌菌体内分离提取聚羟基脂肪酸酯的方法，以便能够有效地从细菌菌体内分离提取聚羟基脂肪酸酯。

--- An apparatus for extracting potable water from the environment air comprises a moisture collecting system having dew-forming surfaces and disposed so that the air drawn into the apparatus passes therethrough and moisture from the air condenses in the dew-forming surfaces.

摘要---一仪器提取的食水从环境空气中包括一个水分采集系统有露点形成表面和处置，使空气卷入装置通过therethrough和水分从空气中凝结，在露点形成的表面。

The optimal conditions for extracting IDF with lactobacillus and facultative thermophile were: inoculants size 6%, the ratios between the two reagents 1:2, fermentation temperature 37℃, fermentation time 15h; fermentation temperature and fermentation time were significant effecters to the IDF content(P.05); inoculums size and the ratio between the two reagents were of little significance.

5用微生物发酵法提取水不溶性膳食纤维的最佳工艺条件是：接种量为6%，两菌比为1：2，发酵温度为37℃，发酵时间为15h。发酵温度和发酵时间对产品膳食纤维含量的影响显著(P.05)，接种量和两菌比的影响不显著。

Using thymol -sodium hypobromite as chromogenic reagent,and extracting the colour formed with butanol,a spectrophotometric method for the determination of arginine in fermentation broth was studied.

以百里酚的次溴酸钠溶液为显色剂，用正丁醇萃取显色产物，以分光光度计比色测定有机相的吸光度值。

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。