乙酸的

Their structures were confirmed by elemental analysis, 1H NMR, and IR spectral data. The preliminary bioassay results showed that α-phenyl-sul-fonylcyclododecanone oxime 2,4-dichlorophenoxy acetate (8p) had inhibition ratio 100% and 80.07% against Digitaria sanguinalis Scop., and 100% and 88.70% against Abutilon theophrasti Medic. at concentrations of 100 and 1 mg/L.

初步生物活性测定结果显示，部分化合物具有一定的除草活性，如α-苯磺酰基环十二酮肟-2，4-二氯苯氧乙酸酯(8p)在浓度为100和1 mg/L时对马唐的抑制率分别为100%和80.07%；对苘麻的抑制率分别为100%和88.70%。

To investigate the response to infusing VFA in newborn ruminant, sodium of propionate or acetate(1.0mol, 37℃,PH7.4 50ml) were infused into jugular vein through jugular catheter and the changs of plasma glucose and some metabolic hormones during the experiments were observed.

三头装有暂时性颈静脉血管瘘的黑白花品种新生公犊，通过静脉灌注丙酸钠和乙酸钠溶液(1.0mol，PH7.4，37C)50ml，观察灌注前后血浆葡萄糖及某些代谢激素含量的变化。

In these components, 2-methyl-1-propanol, ethyl acetate, 3-methyl-1- propanol, 2,3-butanediol, phenylethyl alcohol, butanedioic acid diethyl ester, ethyl hydrogen succinate, 2-hydroxy-ethyl propanoic acid and 4-hydroxy-benzeneethanol were main aroma components, these volatile componds provided the typical sensory style of wine.

其中，2-甲基-1-丙醇、乙酸乙酯、3-甲基-1-丙醇、2，3-丁二醇、2-羟基丙酸乙酯、苯乙醇、丁二酸二乙酯、乙基-氢化琥珀酸和4-羟基苯甲醇等成分构成了葡萄酒的主体香气，这些主体香气与其他风味成分一起构成葡萄酒的典型风味特征。

In the phase-boundary reactions of cyclohexene hydration and isoamyl acetate hydrolysis, these amphiphilic zeolite particles are oriented at the aqueous-organic phase boundary and exhibit catalytic activity obviously superior to the parent zeolites.

在环己烯水合及乙酸异戊酯水解的相界面反应中，两亲性沸石分布於水－油两相界面，并表现出明显高於各自母体沸石的催化活性。

It was observed that indoleacetic acid could greatly enhanced the chemiluminescence intensity of tris-(1,10-phenanthroline) ruthenium Ru(phen(superscript 2+ subscript 3)-cerium system. Based on this finding, a novel CL method was developed for the determination of IAA.

基於吲哚乙酸对三（1，10-菲咯啉）钌[Ru(上标 2+下标 3)]-Ce化学发光体系的发光增强作用，建立了一种化学发光直接检测IAA的新方法。

It was expressed as inclusion body and was purified by Ni-NTA Column Affinity Chromatography under denaturing conditions. The inclusion body was then refolded by two different ways, both of which can produce activated enzyme.

在变性条件下，包涵体经镍次氮基三乙酸柱层析纯化，并以两种不同的方法进行复性，均可获得具有活性的HaSNPV几丁质酶。

The followingsolvents will be used to analyze the ferrocene

将会用到以下的溶剂来分析二茂铁的产物：(1)己烷*和(2)乙酸乙酯

The results prove that the exact component of smuggled heroin drugs is diacetylmorphine hydrochloride hydrate, which is the basis of drug detection by acetic acid gas sensor.

红外光谱和XRD分析了毒品海洛因的组成成分，确定了乙酸传感器检测海洛因毒品的理论依据。

Methods Conjugated with protein precipitation with trichloroacetic acid, BCA method was used. According to the positive relationship of protein content with the 570 nm absorbance, protein content was calculated in powdered milk.

使用三氯乙酸沉淀蛋白质后，运用BCA法，在570nm波长处，分别测定标准蛋白质应用液与样品稀释液的吸光度值，基于测定液中蛋白质含量与其吸光度值呈正比关系，计算出样品中蛋白质的含量。

Absorption kinetic curves for two mixed solvent/polyurethane membrane systems (ethanol-1, 2-dichloroethane/PU and ethanol-ethyl acetate/PU) are measured, the replacement is observed in experiment. Dual mode theory combining Henry's law and B.

系统地测定了乙醇-乙酸乙酯和乙醇-1.2-二氯乙烷混合溶剂在聚氨酯膜中的吸收动力学曲线，发现了乙醇对膜内1，2-二氯乙烷的顶替现象，并运用亨利定律+B.E.T。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。