查询词典 lour

This paper studies the growth curve and content variation of suger, titratable acid and Vitamine C, which in the two main wampee cultivars Clausena lansium (Lour. Skeels cv.

研究了黄皮两个主要栽培品种鸡心黄皮和郁南无核黄皮果实生长动态及其发育过程中糖、酸和维生素C含量的变化规律。

ABSTRACT: Objective To understand the differences of chemical component s between Amomum villosum Lour, Amomum thyrsoideum Gagnep and Alpinia katsumadai Hayata .

目的 比较了中药材砂仁及其混淆品长序砂仁、草豆蔻挥发油化学成分。

Objective To establish a molecular identification method for three cultivars of Amomum villosum Lour., thus to provide scientific evidence for the identification, selection and breeding of AVL.

建立阳春砂不同栽培品种的DNA分子鉴别方法，为阳春砂的优良品种选育提供依据。

The improved CTAB method which can extracting high-quality genome DNA of Aquilaria sinensis Lour.

采用改良CTAB法提取白木香DNA较传统方法简单高效。

ConclusionMIZ culture medium was most suitable for inducing calluses from embryo of Aquilaria sinensis Lour.

结论综合考虑各种因素，以MIZ培养基为最适合诱导白木香胚愈伤组织的培养基。

Objective To clone, express and characterize the panallergen profilin from the pollen of Caryota mitis Lour.

目的 克隆并表达短穗鱼尾葵花粉中泛变应原肌动蛋白抑制蛋白。

The antifungal activities of these materials were investigated and build foundation to develop low poison plant antifungal products. In experiment, polyphenols were extracted by reflux ectraction method which applyed petroleum ether to degrease and methyl alcohol solvent. Phenolic hydroxyl were examined and inspected by colour-developing reaction and the content of total polyphenols was determined by UV-spectrophotometry. Screening test were performed to the antifungal activities of polyphenol extraction by the tube dilution method to the selected ten pathogenic fungus such as Dothiorella gregaria, Rhizoctonia solani, Phyllosticta pirina, and the minimal inhibitory concentration were measured. The column chromatography and thin layer chromatography were applyed to separate and analyse cortex extracts of Dracaena cochinchinensi Lour.

实验部分采用以石油醚脱脂，甲醇为溶剂的回流提取法来提取植物多酚，用显色反应检识酚羟基；采用紫外分光光度法对多酚粗体物进行总多酚含量的测定；选取了聚生小穴壳菌、立枯丝核菌、梨叶点霉等10株常见农林业致病真菌，采用试管液基稀释法对多酚粗提取物进行了抗真菌活性筛选试验，并测定其最低抑菌浓度；采用柱层析法和薄层层析法对其中抑菌效果较好的龙血竭进行分离分析，根据其中3种化合物的光谱数据UV、IR、~(13C-NMR、1H-NMR和MS鉴定其结构。

ObjectiveTo ascertain extraction technology condition for flavonoids from Humulus scandens Lour.

目的研究草叶中总黄酮的提取工艺条件。

The main research includes: Using ethanol extrat and macroporous resin refining to isolate kaempferitrin from Ligustrum sinecse Lour.

主要研究工作包括：采用乙醇提取－大孔吸附树脂精制的方法提取光叶小腊树花中的山柰苷。

ObjectiveTo study the optimal technology of supercritical- CO2 fluid extraction(SFE-CO2) for Litsea cubeba Lour.

目的筛选超临界CO2 流体萃取荜澄茄挥发性成分的最佳工艺，并研究萃取物的药效。

He knows that he's one of the mostdominant players in the NBA right now.

我知道他现在是联盟里最有统治力的球员之一了。

Using analysis method of BCG , the dissertation analyzed the management of voluntary service organizations .

利用BCG分析方法对我国的志愿服务组织管理进行了分析。