香草醛

The TLC of them were concordance.They presented the same color fluorescence in the corresponding position at the ultraviolet light(365nm). After the vanillic aldehyde sulphuric acid ethanol solution developed, violet color spots presented at the same place.

生远志正丁醇部位色谱和蜜远志正丁醇部位色谱基本一致：紫外灯（365 nm）下二者在相应位置呈相同颜色荧光，香草醛硫酸乙醇溶液显色后二者在相应位置的几个斑点均呈紫罗兰色，且远志皂苷元对照品斑点呈紫罗兰色，而在与其相应位置生远志供试品和蜜远志供试品均未检视到相应斑点。

The bioconversion rate of clove oil was increased to 1.01% from 0.038%.

与摇瓶发酵实验相比，在SRMBR中的发酵由于硅橡胶膜的渗透萃取即时分离，在很大程度上消除了产物香草醛的氧化损失和酶的产物抑制，原料丁香油转化率从0.038%提高到1.01%。

The preparation of vanillin with clove oil as the substrate and soybean lipoxygenase as the bio-catalyst has been carried out in a silicon rubber membrane bioreactor.

在硅橡胶膜生物反应器系统中用丁香油为原料和大豆酯氧化酶为催化剂，进行了生物转化制备香草醛的实验研究。

A white or yellowish crystalline compound, C8H8O3, found in vanilla beans and certain balsams and resins and used in perfumes, flavorings, and pharmaceuticals.

香草醛，香兰素一种白色或淡黄色晶体化合物，c8h8o3，见于香子兰豆以及某些香脂和松脂中，用于做香水、调味品和药剂

With own-root eggplants as control, effects of grafting on soil microbe quantities and enzyme activities of eggplants were studied under exogenous vanillin and cinnamic acid stress.

试验以自根茄子为对照，研究了外源香草醛、肉桂酸胁迫下嫁接对茄子根际土壤微生物数量和土壤酶活性的影响。

Introduces the method to extract total saponin in sisal hemp with supercritical CO2,and determ ination of total saponin by vanillin colorimetry.

采用超临界CO2萃取法萃取剑麻中的总皂苷，用香草醛比色法测定萃取产物中总皂苷。

There were 2 types of tasks in the experiment. In one task, only isoamyl acetate was used as odorant. In the other task, to avoid possible decreased olfactory attention, vanillin was given before each presentation of isoamyl acetate.

采用事件相关设计，每名受试者完成两段嗅觉刺激任务，一个是单一醋酸异戊酯刺激，另一个在醋酸异戊酯刺激前给予香草醛，采用fMRI分析嗅觉皮层的活动。

VCTS-KH560-Si was characterized by means of FTIR,TGA and gravimetric analysis.

然后将香草醛接枝壳聚糖作为反应的原料，制备键合硅胶固定相(VCTS-KH560-Si)，并用傅立叶变换红外光谱、热分析和质量分析法等手段进行表征，证明键合产物性质稳定。

The vanillin-perchioric acid was used as the chromogenic agent, and glacial acetic acid was used as solvent system.

选取香草醛－高氯酸作为显色剂，冰醋酸为溶剂。

ObjectiveTo develop the determination method of total triterpenoids in vanillin glacial acetic acid system by spectrophotometry.

目的建立香草醛-冰醋酸体系分光光度法测定毛老虎中总三萜酸的方法。

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。