乙醇酸

The results show that the resulting product can be separated by the mixture of petroleum ether, aether and acetic acid (10:10:1, V/V). Among them, the oleic acid component can be eluted by the mixed solvent of ethanol and carbon tetrachloride (35:15, V/V), and then productivity of sodium oleoyl sarcosine can be obtained.

结果表明：用石油醚：无水乙醚：冰乙酸＝10：10：1分离产物中的组分，再用无水乙醇：四氯化碳＝35：15混合溶剂洗脱制备油酸组分，进而计算油酰肌氨酸钠的产率是可行的。

The compression heating characteristics of three pressure-transmitting fluids such as dioctyl sebacate,water and ethanol in high hydrostatic pressure processing were investigated via the on-line measurement of temperature by inserting the probe into the high-pressure cavity.

通过将温度探头伸入高压腔内在线测定了3种传压介质(癸二酸二辛酯、水、无水乙醇)的温度变化情况，研究它们在不同条件下的压致升温规律。

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)。

Methods:Determination method for diazepam and vitamin B1 were changed from coefficient rate and silicotungstic acid precipitation to HPLC and UV respectively.

地西泮由系数倍率法改为HPLC法；谷维素仍用UV法，溶剂由正庚烷改为硫酸乙醇；维生素B1由硅钨酸沉淀法改为UV法。

Using silicotungstic acid as catalyst with the catalyst supported on active carbon,2-methyl-2-ethyl-acetic-1,3-oxathiolane(targeted compound I,an aroma compound with apple flavor )was synthesized by the reaction of ethyl aceto-acetate and 2-mercapto-ethanol.

以活性炭固载硅钨酸作为催化剂，用乙酰乙酸乙酯与巯基乙醇缩和合成了具有浓郁苹果香气的香料化合物2-甲基-2-乙酸乙酯基-1，3-氧硫杂环戊烷。

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。

The method is as follows: n-butyl titanate, absolute ethyl alcohol, surfactant and concentrated hydrochloric acid are fully mixed and stirred for 4 to 6 hours under room temperature to obtain precursor solution, then the precursor solution is spinningly coated on a clean conductive glass substrate of an indium oxide tin coating, and then the conductive glass spinningly coated with the precursor solution is preserved for 25 to 72 hours at the temperature of between 20 and 30 DEG C and the relative humidity of between 50 and 75 percent below, and finally undergoes a high-temperature calcination at the temperature of between 350 and 700 DEG C.

将钛酸正丁酯，无水乙醇，表面活性剂和浓盐酸充分混合，在室温下搅拌4小时-6小时得到前驱剂，然后将前驱剂旋涂在清洁的氧化铟锡镀层的导电玻璃基底上，接着在20℃-30℃，相对湿度在50％-75％下，将旋涂有前驱剂的导电玻璃保存24小时-72小时，最后经过350℃-700℃高温煅烧。

In this paper, the bovine serum albumin-β-mercaptoethanol-sodium dodecylbenzene sulphonate system was studied by resonance light scattering technique. Based on the RLS intensity difference between β-ME-SDBS system and BSA-β-ME-SDBS system, a simple assay for BSA was developed.

通过测量β-巯基乙醇-十二烷基苯磺酸钠-牛血清白蛋白体系的共振光散射强度，建立了一种测定BSA的快速、简便的共振光散射光谱法。

Among them the activation ratio water extracts of Terminalia chebula Retz Prunella Vulgavic L.

在中药乌发方剂中选用八味中药，考察这些中药的水提物和乙醇提物对蘑菇酪氨酸酶激活作用的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。