乙醇胺

By analyzing and researching the corrosion resistant mechanism of adsorption typal acidification corrosion inhibitor, taking single equational experimental method, making use of mannich reaction and using the hydrochloric acid as catalyst and the ethyl alcohol absolute as solvent, the new acidification corrosion inhibitor HZ-1 is synthesed by formaldehyde、hypnone、aromatic amines in the present research of this thesis.

本文通过对吸附型酸液缓蚀剂缓蚀机理的分析和研究，利用单因素实验方法，采用曼尼希反应，以盐酸为催化剂，无水乙醇为溶剂，用甲醛、苯乙酮、芳香多胺合成了新型酸化缓蚀剂HZ-1。

A visual method for the determination of dopamine is described based on the fluorescence emission of a new isoindole compound formed by the reaction between dopamine and o-phthaldialdehyde-β-mercaptoethanol fluorogenic reagent in alkaline medium.

研究发现，在碱性条件下，邻苯二甲醛和β-巯基乙醇组合试剂可与多巴胺发生化学反应生成异吲哚类化合物。

In this paper, a systematic study on the wetting capacity of sulfate of myristic acid monoethanolamide was made by the canvas sinkking method, through measuring the wetting time of MMS's solution under different concentration, different temperature and different degree of hardwater and comparing with three other surfactants.

对肉豆蔻酸单乙醇酰胺硫酸酯盐的润湿性能进行了系统研究，用帆布沉降法测定了MMS在不同温度、不同质量分数溶液、不同硬水度中的润湿性能，并与其他表面活性剂十二烷基硫酸酯盐、月桂醇醚硫酸酯盐、十二烷基苯磺酸盐进行了比较。

A GC headspace injection method for the determination of residual organic solvents such as methanol, ethanol, acetonitrile, dichloromethane, ethylacetate, 4 methyl 2 pentanone, toluene, DMF, chloroform and tetrahydrofuran in tazobactam was established.

建立了气相色谱顶空进样法测定三唑巴坦中甲醇、乙醇、乙腈、二氯甲烷、乙酸乙酯、甲基异丁基酮、甲苯、N ，N′-二甲基甲酰胺、氯仿和四氢呋喃等有机溶剂的残留量。

In a large test tube, dissolve 0.5 g (4.5 mmole) of semicarbazide hydrochloride and 0.5 g of anhydrous sodium acetate (or 0.8 g of sodium acetate trihydrate) in 4 mL of distilled water and 7 mL of ethanol.

在一个大试管中，用4 mL蒸馏水和7 mL乙醇溶解 0.5 g (4.5 mmole)的胺基氢氯酸盐和0.5 g无水醋酸钠(或0.8 g的三水合醋酸钠)。

Make up a 1.5-3% solution of your semicarbazone in 3 mL of ethanol.

用3 mL乙醇配成1.5-3%缩胺基脲的水溶液6。

Methods:(1) Silica column chromatography and LH-20 were used in phytochemistry study.(2) Based on the extraction ratio of arctiin, the best extraction procedure was acheived under the direction of L9(34) orthogonal experimental design. From 10 types of resins, the one with the maximal binding ability for Arctii was selected and silica-column choramatograpy was used in its seperation and purification procedure.(3) The animal diabetic experimental model in Wistar rats was established with streptozotocin and many biochemical factors were used to indicate the pharmacological effects of arctiin, including glycosylated hemoglobin, serum creatinine, seralbumin, monoxide nitrogen, glycerin trilaurate, cholesterol, HDL-ch, LDL-ch, Blood urea nitrogen, creatinine, SOD, ET, MDA, total Urine protein and albuminuria.

(1)采用硅胶柱层析、聚酰胺层析、LH-20等方法对牛蒡子的化学成分进行研究；(2)采用正交实验设计方法，以牛蒡子苷为指标，确定了牛蒡子乙醇回流提取的最佳工艺；对10种类型大孔吸附树脂进行筛选，筛选出对牛蒡子苷吸附效果最佳的树脂；采用硅胶柱层析法，对牛蒡子苷进一步分离纯化；(3)建立实验性糖尿病大鼠模型，以GLU、TC、TG、HDL-ch、LDL-ch、TB、ALB、BUN、CREA、GHbAlc、NO、SOD、ET、MDA和尿液中TB、ALB为指标，研究牛蒡子苷药理活性；(4)以差速消化法纯化Wistar大鼠的主动脉内皮细胞并进行传代培养，测定牛蒡子苷对高糖条件下RAECs活性、RAECs释放LDH、MDA和NO的变化以及RAECs表达内皮型一氧化氮合酶表达的影响。

Methods The determination was carried out over a Symmetry C18 column at 25℃. Methods tetrahydrofuran: 0.2% citric acid (14∶1∶85) was used as mobile phase at a velocity of 1 ml.min-1 and the detection wavelength was set at 360nm. ResultsRutin was found in SFE extract of Sparganium Stoloniferum.

方法在聚酰胺膜上点样，以80%乙醇作为展开剂鉴别芦丁，采用Symmetry C18色谱柱，以乙腈-四氢呋喃-0.2%枸橼酸（14∶1∶85）为流动相，柱温25℃，在流速为1.0 ml.min-1，360 nm的检测波长下，测定芦丁含量。

Methods tetrahydrofuran: 0.2% citric acid (14∶1∶85) was used as mobile phase at a velocity of 1 ml·min-1 and the detection wavelength was set at 360nm. ResultsRutin was found in SFE extract of Sparganium Stoloniferum.

方法在聚酰胺膜上点样，以80%乙醇作为展开剂鉴别芦丁，采用Symmetry C18色谱柱，以乙腈-四氢呋喃-0.2%枸橼酸（14∶1∶85）为流动相，柱温25℃，在流速为1.0 ml·min-1，360 nm的检测波长下，测定芦丁含量。

Although it is certain that the flower of Trollius chinensis is a good antibacterial medicine, there are no studies on its effective substances and quality standard.The 60% ethanol elution through polymide was determined as antibacterial and antivirus portion according to pharmacological study. The chemical experiment isolated 18 compounds and identified 13 structures.

本课题通过对金莲花提取物的药效学试验，确立了聚酰胺60%乙醇洗脱部位为其抗菌、抗病毒有效部位；继而对该部位进行了化学研究，分离出单体化合物18个，鉴定化学结构13个，其中有7个是从金莲花中首次发现的新化合物，有4个是从金莲花属植物首次分离得到，所分离的化合物大部分是黄酮类，还有有机酸等。

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