提取

The first method is based multi-scale decompression using wavelet theory, it extract gray feature from each channel to form feature vector, it can distinguish objects, but this method not have invariant property when object rotate.

因此随后提出了基于灰度多通道的特征提取方法，该方法是把目标灰度分成几个区段，然后在各灰度区间分别提取目标的灰度特征，形成特征向量。

In order to overcome the handicap to extract line-segments from natural hand-printed Chinese characters, the extension is made to other structural features, and the generalized connected background region is defined, and its extraction and recognition algorithm are developed. This recognition algorithm is based on matrix singular decomposition and invariant transformation theory.

针对从自然手写体汉字中难以提取到笔段特征的难题，对汉字的其它结构类特征进行了扩充，提出了汉字的广义背景连通域的概念，并给出了提取广义背景连通域特征的算法以及基于矩阵奇异值分解与不变性变换的广义背景连通域特征的匹配算法。

The results indicated that the extraction ratio and properties of oil from silver carp, such as iodic value, acid value, peroxide value and soapstock content are significantly affected by extraction conditions.

结果表明，提取条件对鱼油的提取率、碘价、酸价、过氧化值和含皂量具有重要影响，适宜的制备工艺为脂肪糜于pH9.0的氢氧化钠溶液(1：1，W/V)中45℃水解5min，然后于1.0%氯化钠溶液中80℃盐析5min。

Taking 2% oxalic acid and 10% hydrochloric, mixture of 2% oxalic acid and 4% acetic acid as extraction agent, the content of vitamin C was determined by using iodometry.

方法］以2%草酸、10%盐酸以及2%草酸和4%醋酸的混合液作为提取试剂，对4种蔬菜中维生素C进行提取，并用碘量法测定蔬菜中维生素C的含量。

This paper develops the method of extraction and purification of thrombin from the porcine plasma by using Ion Exchange.

对离子交换法提取纯化凝血酶的方法进行了改进：首先在-20℃对猪血浆进行冷冻处理，然后再采用离子交换法提取纯化凝血酶。

This paper probes into the extraction of the pigment from mirabilis jalapa and its stability.

文章对紫茉莉花色素的提取及其稳定性进行了研究，主要是通过蒸馏水提取色素，用分光光度法测定其吸光度值，从而来判断紫茉莉花的稳定性及影响因素。

A patented respiratory inductive plethysmography technology was used to measure respiratory function, two sensors were woven into the jerkin around the patient's chest and abdomen. A threelead, single channel ECG measures heart rate, and a threeaxis accelerometer records posture and activity level. An NTC thermometer embedded in the shirt measures the body temperature.

两条弯曲成"正弦"状导线嵌在弹性背心的胸、腹部作为呼吸运动传感器，用自主产权的呼吸感应体积描记技术提取呼吸运动；用三导联电极提取心电信号，并探索了非粘贴电极的心动信号获取技术；用三维加速度传感器获取体位、体动信息；用负温度系数的热敏电阻测量作业过程中体温变化。

In this paper,a high efficient procedure was studied to extract crude sodium alginate, fucoidin and laminarin simultaneously.

建立了一套简便有效的提取方案，可从海带中分类提取同时得到褐藻酸钠、褐藻糖胶、褐藻淀粉三类多糖粗品。

Objective: TO explore the molecular mechanism of the components of milkvitch-red sage compound elevating placenta blood supply from the point of view of invading by nutrient cells languishment, formation of placental decidual vas net, endurance mechanism and languishment of nutrient cells.

目的：从滋养细胞侵入、胎盘蜕膜血管网络形成、妊娠免疫监视／耐受机制、滋养细胞凋亡等角度，研究探讨黄芪、丹参复方成分提高胎盘血供的分子机制；方法：分离提取黄芪，丹参有效组分（黄芪总皂甙、总黄酮；丹参提取丹参酮、丹参醌、丹参酸三部分）。

In the paper, the process of extraction of cholesterol from crude lanolin was studied, and the one from lanolin alcohol which is one of saponification production of lanolin were focused on.

研究了以粗羊毛脂为原料提取胆甾醇的工艺过程，重点研究了从羊毛脂醇中提取胆甾醇的工艺过程。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。