A new extracting agent of piperidine derivant was synthesized.

1、

Studies on the extraction method of Thea Saponin by using anhydrous alcohol as the extracting agent

以无水乙醇为提取剂的茶皂素提取方法研究

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2、

This new method has changed the extracting agent of original phloroglucinol method, developing agent preparation is also improved.

改变了原方法中的溶剂抽提系统，显色剂的配方作了改进。

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3、

Preparation of composite extracting agent and extracting technology for UHMWPE gel-spun fibers

UHMWPE冻胶纤维复合萃取剂的配制及其萃取工艺

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4、

The recovery of the waste acid and extracting agent attained 95%.

净化酸和粗酚的回收率都在95%左右。

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5、

Study of new types of di tertiary amine ion associating extracting agent

双叔胺新型离子缔合萃取剂研究

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6、

The extracting agent is a dual mixed extractant, being made up of neutral extractant A and B having small water solubility.

混合萃取剂由水溶性小的中性萃取剂A、B组成。

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7、

Extracting the Strokes and Roots of Free Handwritten Chinese Character

自然手写汉字笔画和字根的提取

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8、

According to this theory, a calculator of extracting the roots of the algebraic equation is made by using C program, ( C++) Builder and Delphi.

根据这一理论设计出C语言程序，并且用C++Builder和Delphi作界面调用这一程序，设计出求解代数方程的计算器。

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9、

An generalized Newton iterative method for extracting the roots of a category equation

求一类方程重根的广义Newton迭代法

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10、

A new numerical method for extracting the roots of algebraic equations

代数方程求根的一个新的数值解法

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11、

Inflection Point and the Formula of Extracting Roots on Cubic Equation

拐点和一元三次方程的求根公式

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12、

Particle swarm optimization algorithm and its application in extracting roots of complicated chemical equations

微粒群优化算法及其在复杂化学方程求根中的应用

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13、

Optimization and retrofit of acrylic acid extracting tower in ethyl acrylate process flow;

脱氢醋酸的工业生产方法有双乙烯酮法和乙酰乙酸乙酯法。

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14、

Optimization and reforming of extracting tower in hydrogen peroxide device

过氧化氢装置中萃取塔结构的优化改造

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15、

Study on the concentration of Chinese herbal medicine extracting solution by nanofiltration

纳滤浓缩凉茶提取液研究

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16、

Research on Two Extracting Solution s for the Saline-alkali Soil

盐碱化土壤的两种提取液研究

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17、

At these conditions, the absorbency of extracting solution could reach 0.286, the extracting rate was 90.59%.

在此条件下所得浸提液的吸光值可达0.286，即每克干竹叶的浸提液中含有黄酮12.41mg，则可得浸提率为90.59%。

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18、

The volume ratio of 5% hydroxyl sodium: extracting solution 1:4;

5%氢氧化钠浸提液体积比1：4；

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19、

Heat exchanger's extracting core machine is important equipment which affects repairing efficiency and time.

换热器抽芯机是影响换热器检修效率和检修时间的重要设备。

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20、

The Main Body Metre Structure Design of New Type Heat Exchanger's Extracting Core Machine

新型换热器抽芯机主体金属结构设计

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