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

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

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。

Extracting the Strokes and Roots of Free Handwritten Chinese Character

自然手写汉字笔画和字根的提取

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。

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

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

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

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

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。

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

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

纳滤浓缩凉茶提取液研究

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

盐碱化土壤的两种提取液研究

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%。

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

5%氢氧化钠浸提液体积比1：4；

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。

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

Conclusions: The traditional Chinese medicine extracting machine is efficacious on the temperature of 115 ℃ and under the pressure of 0.7 kg · cm-2. The decoction validness is high. It is suitable for clinical use.

结论：中药煎药机在115℃，0.7kg·cm-2压力下煎煮效果好，煎出率高，适合临床用药。

Extracting machine for earth minerals or ores, not self-propelled

土壤、矿物或矿石采掘机，非自动推进式

Extracting Machine Information by Shannon Entropy of Symbolic Series

采用符号序列Shannon熵的机器信息提取方法

Study on Decoction Condition of Traditional Chinese Medicine Extracting Machine

中药煎药机的煎煮条件研究