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The distributions of Mw of β-glucan were 340~2000 kD in different extracting conditions.

不同条件下提取的燕麦β-葡聚糖分子量分布在340~2000kD之间。

Objective:To acquire a rapid and simple procedure for efficiently extracting total RNA from kiwi fruit.

目的：获得1种提取猕猴桃果实总 RNA 的简单、快速、高效的方法。

To improve the extracting ratio of resveratrol from giant knotweed, a new process was developed in this paper by using cellulose and microwave.

采用纤维素酶－微波联合提取虎杖中的白藜芦醇。

For the enzyme extraction, with the ratio of enzyme/giant knotweed 1:500 at 50℃ for 90 min, the yield of resveratrol is two times more than that extracted by ethanol. For the microwave extraction with the ethanol content of 80%, the liquid ratio of 1:20, extracting by microwave for 60s at 510W, the yield of resveratrol is three times more than extracted by ethanol with enzymation 30 min by microwave for 10 s at 510 W.

酶法辅助提取白藜芦醇的适宜提取条件为：酶解温度为50℃、pH值为5.0、纤维素酶与虎杖粗粉质量配比为1：500、酶解时间为90 min，比传统乙醇提取法提取收率提高2倍；微波辅助醇提白藜芦醇的适宜提取条件为：以体积分数为80%的乙醇溶液为提取剂，料液质量比为1：20，在510 W功率下微波1.0 min，比传统乙醇提取法提取收率提高近3倍；利用酶微波结合提取白藜芦醇，酶解30 min， 510 W功率下微波10 s，提取收率提高3倍，缩短了提取时间，降低了生产成本。

This paper deals with the process of extracting polysaccharides from Arctium lappa L by ultrasound.

对利用超声波从牛蒡中提取多糖的工艺条件进行了研究。

Water distillation method was used for extracting the volatile oil in the Aucklandia lappa Decne.

采用水蒸气蒸馏法从木香中提取挥发油，用气相色谱-质谱联用仪对木香挥发油进行化学成分的分析。

Microwave radiation extraction was used for extracting the volatile oil in the Aucklandia lappa decne .

采用微波照射-萃取法提取木香挥发性物质，测得木香挥发油的含量为 4。

Based on feature points extraction and total least squares approximation, a new method is presented for extracting and vectorizing Street blocks on topographic maps.

提出了特征点提取和总体最小二乘拟合相结合的新方法，对扫描地图上的居民地街区进行提取和矢量化。

A new method is given for separating K, Rb , Cs from mother liquor after extracting lithium from lepidolite.

提出了一种从锂云母提锂母液中分离钾铷铯的新方法，研究了分离的最佳工艺条件。

This paper mainly declares the method of extracting lithium from lepidolite and preparing the lithium chloride by double-decompose reaction with material lithium sulfate and calcium chloride.

本课题主要从宜春锂云母中提取锂，继而以硫酸锂溶液为原料复分解反应制备氯化锂。

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％。