tobacco leaves

In accordance with the existing state of the tested composition in tobacco leaves, the pre-treatment for the routine method was improved and the same testing liquid was established for determining the content of nicotine, potassium and chlorine.

依据被测成分在烤烟烟叶中的存在状态，对常规方法的前处理进行改进，建立同一待测液，同时测定烟叶样品中烟碱、钾和氯的含量。

The ratios of upper tobacco leaves raised according to the altitude. The best level was 300-500 m altitudes for superior leaf ratio, output value and average price. 6.

上部烟比例随着海拔的升高而升高，上等烟比例、产值、均价都以300-500m水平最优。

Improvement on Determining Total Volatile Bases in Tobacco Leaves by AA ⅱ Automatic Analyzer

AAⅡ型自动分析仪检测总挥发碱的改进

Observe on the Dissected Structure of Upper Leaves of Flue-cured Tobacco during the Curing process

烘烤过程中烤烟上部叶解剖结构变化的观察

Difference of Main Non-volatile Organic Acid Contents Among Different Flue-cured Tobacco Leaves and Cigarettes

不同卷烟和烟叶中主要非挥发性有机酸含量的差异

The cumulate tobacco leaves in loose tobacco curing barn can be regarded as evenly distributed porous medium. During the process of thermal wind drying, the heat and mass are transferring among also.

散叶烤房内堆积的烟叶可视为均匀分布的多孔介质，其热风干燥过程中同时发生着质量和热量的传递。

The relationships between aroma and taste at different position of tobacco leaves and altitude, latitude, longitude in Yunnan was analyzed.

对云南烟区不同部位的烟叶香吃味与海拔和经纬度的分析表明，海拔高度是影响下部烟叶灰色，中部烟叶香气量和刺激性的主要因素；

Tobacco target spot is a newly-found and seriously harmful leaf disease of tobacco in China in recent years, and quality and yield of tobacco leaves are seriously affected, which runs short of references.

烟草靶斑病（tobacco target spot）是近年来我国新报道的一种烟草叶部病害，危害严重，该病害对烟草的产量和品质有显著的影响，但是国内缺乏文献记载。

Effects of Proportional Application of Sesame Seed Cake Fertilizers and Chemical Fertilizers on the Aroma Quality of Flue-cured Tobacco Leaves

芝麻饼肥与化肥不同比例配施对烟叶香气质量的影响

The Effects of Different Nitrogen Forms and Extract from Sesame Seed Cake on Photosynthetic Characteristics in Tobacco Leaves

氮素形态及饼肥浸提液对烤烟功能叶片光合特性的影响

I confess to the wayside arbour, the pipe of contentment, and the lotus leaves being altogether unsuitable metaphors. tobacco leaves that have been made into a cylinder.

我知道路边有树阴、心满意足的水烟筒、甜荷叶等比喻都不合适。卷进圆筒里的烟草叶。

Analysis of Tobacco Leaves Quality for Different Sunshine Duration in Honghe, Yunnan Province

红河州中低海拔日照时数对烟叶品质的影响

The dynamics of curing environment relate strongly with physiological and biochemical changes in tobacco leaves.

烘烤环境的动态变化与烟叶的生理生化变化直接相关,影响甚至决定着烤后烟叶的质量.

In calcareous soil, drought is the key factor influencing the potassium content of tobacco leaves.

在石灰性土壤上, 干旱是提高烟叶含钾量的障碍因子.

Moreover, XcR could induce the hypersensitive reaction of tobacco leaves but lost the pathogenicity to ci-trus leaves.

XcR能够引起烟草的过敏性反应，但失去对寄主的致病性。

Smoking aroma quality is one of important index to evaluate the quality of tobacco leaves.

香气质是评价烟叶品质的重要指标之一.

In addition, single leaf weight, leaf density and thickness of tobacco leaves cured in bulk curing barn were bigger, whereas, percentage stem, balanced moisture content and tensile breaking strength were smaller.

另外，密集烤房烤后烟叶单叶重、叶质重与厚度较大，而含梗率、平衡含水率与拉力较小。

Effect of fertilizer activating agent on the ascorbate glutathione cycle and potassium content in tobacco leaves

肥料吸收活化剂对烟叶抗坏血酸谷胱甘肽循环系统及钾含量的影响

On the other hand, at the same temperature level, the types of the pyrolysates from the tobacco leaves were much more than those from the tobacco stems.

在相同热裂解温度条件下，烟叶的热裂解产物种类明显多于烟梗的热裂解产物。

The taste quality of tobacco leaves was the best at 1900m. Miscellaneous gases were obvious at low altitudes, and the quantity of aroma was a little lack at high altitudes.

会理1900m海拔范围烟叶吸食质量最佳。较低海拔范围杂气较明显，较高海拔范围香气量略显不足。

Relationship between aroma and taste of tobacco leaves and geographical positions in Yunnan

云南烟叶香吃味与海拔和经纬度的关系

A-phase high performance liquid chromatographic-HPLC method for the determination of carotenoids flue-cured tobacco leaves was developed.

建立了采用反相高效液相色谱测定 烤烟 叶片中类胡萝卜素的方法.

Analysis on Production Resources and Sustainable Development of Tobacco Leaves in Sanmenxia City

三门峡市烟叶生产资源与可持续发展分析

Research on the Soil Nutrient Status of Chlorine and Thickening of Chlorine Technology of Tobacco Leaves in Yibin City

宜宾市植烟土壤氯素营养状况及烟叶增氯技术研究

Study on the Appearance and Chemical Variation Relationship of Burley Tobacco Leaves in Air curing Process

白肋烟晾制过程中烟叶外观变化与内在变化关系的研究

Applied bio-organic fertilizer and sesame seed cake fertilizer could increase the contents of N, P, K in flue-cured tobacco leaves, and promote total sugar accumulation, reducing the starch content, while there was no significantly effects on protein, nicotine and chloride content. 5.

增施生物有机肥和芝麻饼肥各处理均提高了烤后烟叶中N、P、K含量，促进了烟叶总糖的积累，降低了淀粉含量，对蛋白质、烟碱和氯离子含量的影响并不明显。

The quality character of specific flue-cured tobacco leaves was better aromatic particularity and higher aromatic quantity.

特色烤烟即是优质有个性的烤烟,对其质量形成的机理还十分缺乏了解.

The tobacco leaves used in making cigarettes contain radioactive materials;

用于制造香烟的烟叶含有放射性物质。

Correlation between tar content and some chemical components of flue-cured tobacco leaves

烤烟烟叶焦油释放量与部分化学成分的关系研究

Studies on the Effects of Organic Chicken Manure Fertilizer to the Soil for Growing Tobacco and the Quality of Flue-cured Tobacco Leaves

鸡粪有机肥对植烟土壤和烤烟烟叶品质的影响研究