The content of trace elements in tea and its extraction liquid was determined by atomic-absorption spectrometry.
采用原子吸收分光光度法测定了茶叶及其浸泡液中微量元素的含量。
Extraction liquid of electronic grade 2, 1, 5-diazo naphthoquinones sulfonyl chloride and preparation method thereof.
电子级2.1.5 -重氮萘醌磺酰氯的萃取液及其制备方法。
The influences of temperature on the ultrafiltration process of the extraction liquid of Rhodiola sachalinensis were studied.
研究了温度对高山红景天浸提液超滤过程的影响。
It is intended to provide an extraction liquid to be used to extract a residual veterinary drug in a livestock or aquatic product.
本发明提供一种可以用于提取畜水产品中残留动物用药物的提取液。
The number of purification times of algalase was 13.3 (crude extraction liquid as control ), 8.7 for agaraseand 10.9 for cellulase.
分段盐析的提纯倍数为（以粗酶提取液为参照）褐藻酸酶13.3 ，琼脂酶8.7和纤维素酶10.9。
Flexible application of technique of continuous flow analysis can analyze most of water samples, such as water and wastewater, soil or solid waste, extraction liquid and beverage.
灵活运用连续流动分析技术可对大多数水性样品如水和废水、土壤(或固体废弃物)提取液、饮料等进行分析。
It is an analog study of static and dynamic analog study of corrosion action of N80 steel in the extraction liquid (mainly CO2 water solution) of oil field under condition of well.
模拟研究了井下环境N 80钢在油田采出液(主要是CO2水溶液)中的静态和动态腐蚀行为。
The results showed that there were rich mineral elements and essential trace elements for human body in tea and its extraction liquid. The extraction rate of different trace elements is different.
结果表明，绿茶茶叶中含有较为丰富的多种矿物质元素和人体必需的微量元素，不同的微量元素浸出率不同。
With the raw material of the extraction liquid from Cassia obtusifolia L. and Crataegus leaf, the processing of soft sweets was studied and the optimal formula was decided by orthogonal experiments.
以决明子、山楂叶浸提液为主要原料，配以白砂糖、葡萄糖浆和食用胶体，通过正交试验方法确定最佳配方；
It features that extraction liquid, strip-extraction liquor and raw material liquid flow in different layer, so resulting in short path of mass transfer, uniform film phase and high separation effect.
本发明装置可使萃取液、反萃取液和料液分别在不同层间流动，传质路径短，膜相均匀，分离效果好，适当组合的基本单元可构成具有工业实用性的系统装置。
Lifting platform mechanical press is a device designed for the application of very high force form, shape or cutting material, compression of solid, or liquid extraction.
升降平台机械压力机是一种装置设计的应用非常高的力的形式，形状或切割材料，压缩的固体，或液体提取。
Conventional organic sample preparation methods, such as liquid-liquid extraction and solid phase extraction, are time and solvent consuming, and often involve several complicated procedures.
传统的有机物样品分析前处理方法主要有液-液萃取、固相萃取等方法，这些方法具有耗时长、操作繁琐、且需要大量有机溶剂等缺点。
The progress and industrial application prospects of enhanced liquid-liquid extraction by electric fields were discussed.
讨论电场强化液-液萃取的进展和工业应用前景。
Liquid-Liquid Extraction (LLE) is a kind of tradition sample pretreatment method. There are 70 percent of documents which adopt Liquid-Liquid Extraction as a way of sample pretreatment.
液-液萃取(LLE)是一种传统的样品前处理技术，报道目前有70%的有关文献采用液-液萃取作为样品前处理方式。
OBJECTIVE: To optimize the extraction technique for Ankang oral liquid.
目的优选安康口服液的最佳提取工艺。
Learn how to "work up" your reaction using a separatory funnel to perform a liquid-liquid extraction.
用分液漏斗示范液-液萃取并学习如何用“完整的反应操作步骤”检查你的反应能否发生。
If the liquid level above the pump intake, it is impossible to maximum yield of extraction Wells.
若液面高于泵吸入口，那么井不可能以最大产量开采。
An emulsion liquid membrane extraction process was performed to recover oxytetracycline from the fermentation wastewater.
在萃取的基础上，进行了乳状液膜分离萃取发酵废液中土霉素的试验研究。
Now, in general, the produce of antibiotic is firstly extracted by clarification and solvent, and is separated from fermentation liquid and at last do the vacuum evaporation of the liquid extraction.
现代抗生素的生产一般首先是通过澄清和溶剂萃取从发酵液中加以分离，在对萃取液进行真空蒸发制得。
Membrane extraction process is a new separation technology which combines liquid-liquid extraction with membrane process.
膜萃取是膜过程与液液萃取过程相结合的一种新型分离技术。
Membrane extraction process is a new separation technology which combines the membrane process with liquid-liquid extraction.
膜萃取是膜过程和液液萃取过程相结合的一种新型分离技术。
Annular centrifugal extractor is a new type of high efficient liquid-liquid extraction equipment. It has many obvious advantages.
环隙式离心萃取器是一种新型的高效液-液萃取设备，具有许多显著优点。
A method for analysis of tebuconazole in water using solid phase extraction and high performance liquid chromatography was developed.
首次建立了固相萃取-高效液相色谱法检测水中戊唑醇的方法并优化了固相萃取和高效液相色谱的条件。
It provides the theoretical basis for the extraction and exploitation of flavonoids in waste liquid.
为废液中黄酮类化合物的提取和开发利用提供了理论依据。
Under the determined extraction (conditions), a new process of countercurrent liquid membrane extraction technology was adopted to separate (terbutaline) enantiomorph.
基于实验已确定的萃取条件，采用液膜逆流萃取技术分离特布他林对映体。
Recovery copper and molybdenum from low grade molybdenum slag has been studied, and a new NaOH digestion and liquid-liquid extraction process has been developed.
本论文全面总结了从除钼渣中综合回收铜、钼、钨的研究成果，提出了处理除钼渣的碱分解—萃取新工艺。
Recovery copper and molybdenum from low grade molybdenum slag has been studied, and a new NaOH digestion and liquid-liquid extraction process has been developed.
本论文全面总结了从除钼渣中综合回收铜、钼、钨的研究成果，提出了处理除钼渣的碱分解—萃取新工艺。
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