萃取

Has a brilliant red color and is a good source of anthocyanins. Roselle calyx possesses unique flavor, high acidity and low sugar. Extraction methods can be used to produce drinks.

为鲜艳红色，是良好花青素来源，果萼并具独特风味、酸度高和糖度低等特性，故利用萃取方式，制成饮品。

There were obviously more chafers near the castor-oil plant than soybean, cotton, sweet potato, peanut, elm, Abutilon theophrasti Medic, there was significant difference between them.

华北大黑鳃金龟对不同植物挥发性物质的选择反应(1)采用水蒸气蒸馏法，二氯甲烷萃取，提取植物叶片的挥发性物质，无论对雌虫还是雄虫，蓖麻叶粗提物的诱虫活性均显著高于棉花、苘麻叶片粗提物。

METHODS The antioxidant of 75% ethanolic extract and organic solvent extracts, water extracts and polysaccharids from Acanthus ilicifolins L.

方法采用流动注射化学发光法，研究该植物75%乙醇提取物及其有机溶剂萃取分离部分、水提取物及多糖对过氧化氢(H2O2)的清除作用。

In this study, the CPE processes of four different kinds of polyaromatic hydrocarbons, acenaphthene, anthracene, phenanthrene a...

今利用两种聚醚型有机硅表面活性剂DC-193和DC-190，对蒽、菲、芘和苊四种多环芳烃进行浊点萃取研究，分别使用加热、加盐、离心和搅拌等辅助方法改变相分离过程的速度。

An analytic method was developed for determination of trazine and acetamide herbicides in water based on solid phase extractionand gas chromatography-mass spectrometry.

研究了固相萃取/气相色谱-质谱联用技术测定水样中的12种三嗪类和酰胺类除草剂的方法。

STUDY ON THE EQUILIBRIUM AND COORDINATION COMPOUND OF IRONEXTRACTION WITH N,N-DI (1-METHYLHEPTYL)ACETAMIDE IN HYDROCHLORIC ACID

N，N-二(1-甲基庚基)乙酰胺在盐酸介质中对铁的萃取平衡及其配合物的研究-中国学术期刊网络出版总库

Two compounds were isolated from ethyl acetate extract of the fermentation of fungus 07-11,which obtained from the soil of Yunnan Province. They were identified as N-(4-hydroxy-2-methoxyphenyl)acetamide (1) and ergosta-7,22-diene-3,6-dione (2) respectively on the basis of spectral analyses and physical and chemical identifications.

从云南土壤真菌07-11号菌株的发酵液乙酸乙酯萃取物中分离得到2个化合物，通过理化鉴别和光谱测定，鉴定两化合物分别为N-(4-羟基-2-甲氧苯基)乙酰胺(1)和麦角甾7，22-二烯-3，6-二酮(2)。

The extract of acetyl acetate have been studied on inhabited effect of 4 species bacteria.

乙酸乙酯萃取物对4种细菌的抑菌试验表明，其对枯草芽孢杆菌的抑制效果最好。

The results showed that acidification extraction was the control step.

结果表明酸化萃取步骤为工艺控制步骤。

Through the steps such as acidify, filteration, extraction , distillation and vacuum distillation, the product is seperated from compounds.

通过酸化、过滤、萃取、常压蒸馏和减压蒸馏等后处理手段，将产物分离出来。

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。