萃取剂

The acidic reagent can remove the basic nitrogen in coker gatch very well.

在实验室条件下考察了水浴温度、剂油比、含水量等工艺条件对酸性试剂络合萃取脱除焦化蜡油中碱性氮化物的影响。

Result The results showed that the main components of Nepeta pratti Lèvl were terpenoids with many pulegone.

结果］结果表明，康藏荆芥用乙醇作夹带剂的超临界CO2萃取方法提取的主要成分是以胡薄荷酮为主的萜酮类物质。

What it is formulated to do: Powerful antioxidants like pomegranate and white tea extracts have been added to the new formula, along with a crisp, refreshing cooling effect, and Maxi Lip and Coolact for maximum plumping.

什么它被公式化做：强有力的抗氧剂象石榴和白色茶萃取物增加了来新惯例，与酥脆，刷新的冷却的作用、和Maxi 嘴唇和Coolact 为最大plumping 。

Powerful antioxidants like pomegranate and white tea extracts have been added to the new formula, along with a crisp, refreshing cooling effect, and Maxi Lip and Coolact for maximum plumping.

什么它被公式化做：强有力的抗氧剂象石榴和白色茶萃取物增加了来新惯例，与酥脆，刷新的冷却的作用、和Maxi 嘴唇和Coolact 为最大plumping 。

With hydroxy safflor yellow A as the standard, the conditions of extracting yellow pigment were discussed, including extraction solvent, extraction temperature, extraction time and the volume of extraction solvent.

方法］以羟基红花黄色素A为对照品，对萃取红花黄色素影响因素，包括提取剂，提取温度、提取时间、提取溶剂体积等进行单因素的考察。

The influence of various parameters on clean-up of neomycin in milk, including the concentration of trichloroacetic acid, centrifugation speed, the flow rate and the concentration of eluent, were investigated.

考察了三氯乙酸浓度、离心力的大小、样品过固相萃取柱的速度以及洗脱剂浓度等因素对牛奶中新霉素测定结果的影响。

Result: Six compounds were isolated and identified as vanillic acid, formononetin, isoliquiritigenin, liquiritigenin, kumatakenin B and uracil.

结果 ：从四逆汤水煎剂的乙酸乙酯萃取部分分得 6个化合物，分别鉴定为香草酸(1)，芒柄花素(2 )，异甘草素(3)，甘草素(4)，华良姜素B(5 )和尿嘧啶(6 )。

According to the physiochemical properties of anthocyanin, methanol solution containing 0.1 mol/L HCl was selected as the extraction solution, then grape pomace lixiviated for 30～40 min with pH=3.0～4.0 and temperature at 60～70 ℃, and then the liquid or paste extract was prepared after a series of technical procedures including extraction, centrifugation, filtration and vacuum concentration.

本课题根据花色素苷的理化性质，选择了用0.1 mol/L 的HCl的甲醇溶液作提取剂，在pH值为3.0～4.0及60～70 ℃温度下浸提30～40 min，再经萃取、离心、过滤、减压浓缩，可得到液态或膏状提取物，并通过了分析检测；还对花色素苷在食品工业中的应用作了研究。

In this paper a method was developed for simultaneous determination of four β-agonists by gas chromatography/mass spectrometry in pork tissues.

本文建立了猪肉组织中β-激动剂多残留的固相萃取-气相色谱-质谱检测方法。

Objective A multiresidue method based on solid-phase extraction andgas chromatography with electron capture detector was developed for thesimultaneous determination of 15 pesticides (Dichlorvos, Dimethoate,Parathion-methyl, Malathion, Parathion, Fenpropathrin, Lambda-cyhalothrin,Cypermethrin,Esfenvalerate,Deltamethfin,Quintozene,Dieldrin,Heptachlor,α-Endosulfan,β-Endosulfan) in drinking water.

目的：建立同时检测饮用水中15种农药残留的固相萃取-气相色谱分析方法，所检测的农药包括5种有机磷：敌敌畏，乐果，甲基对硫磷，马拉硫磷，对硫磷；5种有机氯：五氯硝基苯，狄氏剂，环氧七氯，α-硫丹，β-硫丹；5种拟除虫菊酯：甲氰菊酯，三氟氯氰菊酯，氯氰菊酯，氰戊菊酯，溴氰菊酯。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失