萃取

The adsorption and reaction process of isobutane and butene were investigated by using in-situ IR, Reaction-MS and Adsorption methods.

利用HF酸溶解以及用二氯甲烷进行萃取等方法，对失活催化剂的性质进行了细致的研究。

In this study, the constant volume visual method is used to measure the critical point properties of CO 2+toluene, CO 2+cyclohexane, CO 2+ n butyraldehyde, CO 2+ i butyraldehyde, CO 2+methanol and CO 2+ethanol binary systems.

采用固定体积可视观察法测定了 CO2 +甲苯、CO2 +环己烷、CO2 +正丁醛、CO2 +异丁醛、CO2 +甲醇及 CO2 +乙醇二元体系的临界点性质，为超临界萃取和化学反应提供基础数据。

Headspace solid phase microextraction combined with gas chromatography-mass spectrometry (HS-SPME-GC-MS) was used to analyze the volatiles in Camembert cheese of which the ripening period was 15, 30 and 45 days, respectively.

应用顶空固相微萃取气质联用(HS-SPME-GC-MS)对成熟期分别为15、30和45d的Camembert干酪中的挥发性风味物质进行了分析检测。

In the forth chapter of the dissertation, on the basis of HSAB principle, acylates, such as iron caproate, aluminum caproate and iron caprylate, were proposed to be used as extractants for alcohol.

在论文的第四章，依据软硬酸碱理论，提出用金属有机酸盐萃取醇类稀溶液。

A study on the extraction of capsanthin and capsaicin by using supercritical fluid technique in capsicum was carried out.

本论文以辣椒红色素和辣椒碱的提取为目的，以超临界流体萃取技术为提取手段，系统开展了辣椒综合开发利用的工艺研究。

The effects of pH value and phase ratio on the yield of capsaicin both in simulation system and real system were investigated.

在模拟体系和实际体系中均以正己烷和乙酸丁酯为萃取剂，考察了pH值和有机相/水相体积比对辣椒碱收率的影响。

The extraction of carbamate pesticides by subcritical water extraction technology was also studied.

2研究了以灭多威为代表的氨基甲酸酯类农药的亚临界水萃取。

According to the characteristics of walnut, this paper took supercritical carbon dioxide fluid extraction as the method to extract walnut oil.

根据核桃油的品质特性，该试验对超临界CO2流体萃取核桃油的工艺条件进行了研究。

Natural plant extracts to carry the components of the positively charged molecules with the negative charge carrying the virus with each other molecular adsorption, adsorption to the virus membrane surface.

天然植物萃取成分所携带的正电荷分子与携带负电荷的病毒分子相互吸附，将病毒吸附到膜表面。

The project prepares to introduce domestically- or internationally-advanced equipments, adopt extraction separation technology to produce lycopene, carotenol, carthamin yellow, capsorubin and capsacin so as to satisfy the market demand.

拟引进国内外先进设备，采用萃取分离技术，生产番茄红素、叶黄素、红花黄色素、辣椒红素和辣味素，以满足市场需求。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。