烟叶

适于PCR分析的烤后烟叶DNA提取方法的研究

Study on DNA extraction methods suitable for cured tobacco leaf

烟叶质量数据库和BP网络分析系统的实现

The implementation of tobacco leaf quality database management and BP network analysis system

菲尔波特往烟斗里塞了一卷碎烟叶。

Philpott tamped a wad of tobacco into his pipe .

他伸手去够身后架子上的一罐烟叶。

He reached for a tin of tobacco on the shelf behind him .

请尝一尝这种烟叶，你一定会说它是首屈一指的。

Try some of this tobacco . You 'll say it 's second to none .

烟叶是用木柴的烟熏烤加工而成的。

The tobacco leaves are cured in wood smoke .

基于GIS的云南烟叶适生性评价方法

GIS-based Evaluation methode for Tobacco Growing Adaptability in Yunnan

沼肥对K（326）烟叶产量和品质的影响

Effcet of Methane Fertilizer on the quantity and Quality of K_ ( 326 ) Tobacco Leaf

pH值对烤烟根系活力及烤后烟叶化学成分的影响

Effects of pH Values on the Activity of Roots and Chemical Compositions of the Cured Leaves in Flue cured Tobacco

基于PDA的烟叶生产信息采集与管理技术研究

Research of Information Collection and Management Technology for Tobacco Leaf Production based on PDA

GS同功酶基因随着烟叶生长都呈现出下降趋势。

The isoenzyme gene of GS appear downtrend following the growth of leaves .

本试验结果表明，香料烟随晾制时间的延长，烟叶颜色由浅渐深，含青程度逐渐减轻，以致于不含青。Air（初三适用）

The experiment showed that as the time of air cure increasing , the colour of perfume tobacco turned from light to deep and the degree of green reduced gradually to nothing .

加入WTO以后，国内外对烟叶的安全性和可用性提出了更高的要求，也给我国的烟叶生产发展带来了严峻的挑战。

After entering in WTO , the security and usability of tobacco will be requested better , that will bring serious challenge to our tobacco production .

烟叶中~（226）Ra和~（210）Po的含量及其分布

The content and distribution of ~ ( 226 ) ra and ~ ( 210 ) po in tobacco

药剂防治效果与烟叶内SOD、POD活性呈正相关，而与CAT活性呈负相关。

Control effects of chemicals had positive relation to activities of SOD and POD in tobacco leaves but had negative relation to CAT .

TMV侵染后烟叶叶绿体的荧光光谱与生理学特性

The fluorescence spectra and physiologic character of chloroplasts in tobacco leaf after TMV infection

测定各处理不同叶位不同成熟度鲜烟叶的pH值、可溶性蛋白质、叶绿素含量；测定各处理不同叶位不同成熟度的物理指标、化学成分；

Determined the pH value , the soluble protein , the chlorophyll in different leaf position and different leaf tobacco maturity , and determined the physical target , the chemical composition ;

分析认为：（1）中国主要烟区推行GAP技术对从根本上解决中国多年来烟叶生产、管理、收购与质量监督的无序与混乱起到良好效果；

It was considered that ( 1 ) Extending the technology of GAP in main bound we can resolve the confusion in the flue-cured tobacco production , purchase , and the quality oversee ;

1GA、IBA、6-BA对上部烟叶品质的影响

The influence of GA , IBA , and 6-BA on the quality of top leaves of tobacco

烤烟品种云烟85烟叶的成熟度I.成熟度与叶片组织结构、叶色、化学成分的关系

Studies on leaf maturity of Yunyan 85 , a variety of flue-cured tobacco I. Relationship between the maturity and the tissue , color and chemical compositions in leaves

用50100ppm的Na2S2O3溶液处理的烟草，株型较好，烟叶产量显著提高。

The tobacco plants sprayed with 50 and 100 ppm of Na_2 S_2 O_3 solution had better growth with the marked increase of leaf yield .

结果如下：1.玉溪烟叶中SS基因表达水平高于普洱烟叶，SPS和SS活性也较高。

The results showed that : 1 . SS gene expression level , SS and SPS activity were in tobacco leaves of Yuxi than .

使用同时蒸馏萃取法，把从烟叶中萃取出的挥发性、半挥发性酸性成分，不经衍生化进行了气相色谱（GC）分析和气相色谱／质谱（GC／MS）鉴定。

The volatile , semi volatile acidic components in tobacco were extracted by using simultaneous distillation and extraction equipment . They were determined by GC and GC / MS without derivation .

利用15N示踪技术，试验研究了N肥不同用量和留叶数对烤烟烟叶N吸收、分布及烟碱含量的影响。

By using the () ~ ( 15 ) N technique , the effects of nitrogen application and remained leaves on the N uptake and nicotine content of flue-cured tobacco were studied .

烟叶中有足够的烟碱用来形成TSNA，亚硝酸盐的积累是影响TSNA积累的主要因素。

Obviously , based on quantity , the major limiting factor for TSNA accumulation is nitrite .

初步发现烟叶低氯含量与评吸品质呈正相关关系。易超过上限含量的N、Ca、S、Cl、Fe等元素均能使品质降低。

Correlation analysis indicated that the positive correlation existed between the lower content of Cl in fresh tobacco leaves and smoking quality , while N , Ca , S , Cl , Fe all had negative influence on it .

尼古丁（Nicotine）是影响烟叶品质的重要因素之一，也是一种环境有毒物质，是烟草工业废水和烟草废弃物中的主要有害成分。

Nicotine is one of key factors related to tobacco quality and a toxic substance in environment , in fact , nicotine is the major harmful ingredient in wastewater and tobacco waste .

白云石粉溶田对烟叶As和Hg的影响不大，但明显增加中、下部烟叶Cd的含量和中部烟叶Pb的含量，有所降低下部和上部烟叶Pb的含量。

Dolomite powder dissolved As and Hg tobacco fields of the impact of small but significant increase in middle and lower leaf Cd contents and the central leaf Pb content in the lower and upper leaves decreased Pb content .

利用射频反射仪（FDR），在人工控水条件下研究了分根交替灌溉对烤烟生长发育、生理特性及烟叶产量和品质的影响。

The effects of root-divided alternative irrigation on growth , physiological characteristics and yield of flue-cured tobacco were studied under artificial water control by FDR .

介绍了在SQL数据库的基础上利用面向对象编程语言Delphi开发的烟叶品质数据管理系统，主要讨论了数据库设计中数据表字段的选取，以及系统开发所应用的ADO体系结构。

Tobacco leaf quality data management system developed with object oriented programming language Delphi based on SQL database was introduced , the field selection of data sheet in database design and ADO system structure were discussed mainly .