The fruity type flue-cured tobacco essence mainly consists of trans-2-hexenal, hexenyl formate and the like.
果味型烤烟香精主要由反式-2-己烯醛，甲酸己烯酯等组成。
New centers for the manufacture of smoking tobacco and cigarettes followed the culture of bright leaf, flue-cured tobacco to Durham and Winston-Salem, North Carolina.
随着白肋烟和烟熏烟文化的流行，新的烟草和卷烟制造中心转至达勒姆和温斯顿-塞勒姆。
By the early 1980s almost 50 percent of flue-cured tobacco was harvested by machine.
至1980年代早期，大约50%的烟熏烟是由机器收割的。
The research indicated that application of oil-cake fermented could promote the growth of flue-cured tobacco plant, enhance leaf yield, improve leaf quality.
实验表明，施用发酵性饼肥，可促进烟株生长发育，提高烟叶产量，改善烟叶质量和增加上等烟比例。
Overview:Virginia flue-cured tobacco is representative of, produced in Virginia.
概述：弗吉尼亚烟为烤烟型代表，产于弗吉尼亚。
A field experiment was conducted to study the effects of irrigation during maturing stage on agronomic characteristics, chemical components and contents of flavor matter of flue-cured tobacco.
采用田间试验研究了成熟期灌水对烤烟农艺性状、化学成分和致香物质含量的影响。
To master the laws of changes of pigment and moisture in the cured tobacco leaves during bulk curing process and increase the quality of the cured tobacco leaves.
为了掌握密集烘烤中烟叶色素和水分变化规律，提高烟叶烘烤质量，研究了密集烘烤过程中烟叶水分和色素含量的动态变化。
In the villages in China, there are some traditional farming and breeding, such as the flue-cured tobacco and pig-raising in Yunnan.
在中国农村，有一些传统种植、养殖业，如云南的烤烟，养猪等。
To control weed in tobacco field more effectively, field experiments were carried out with 3 types of herbicidal film after flue-cured tobacco transplanting.
为更有效地防除烟田杂草，在烤烟移栽大田后采用3种除草膜进行了烟田除草试验。
This research provide the foundation for shortening the time of aging and improving the internal quality of flue-cured tobacco leaves.
本研究为进行烤烟人工陈化以缩短烤烟自然陈化周期、改善烟叶内在品质奠定了基础。
Pot experiment was carried out to study physiological change and matter accumulation of flue cured tobacco leaf in the course of mature with different K nutrition levels.
采用盆栽试验方法研究了不同钾营养水平下，烤烟烟叶成熟过程中的生理生化变化，并探讨了在不同成熟期的干物质积累状况。
Some important neutral flavor constituents and routine constituents of Henan flue-cured tobacco leaves from different mature and different stalk position were analyzed.
对中部和上部不同成熟度河南烤烟烟叶中的多种重要中性香味成分和常规成分进行了分析研究。
The effects of sulphur nutrition in soil on sulphur accumulation and metabolism in flue cured tobacco leaf were studied.
本文研究了土壤硫营养状况对烤烟烟叶硫吸收累积和代谢的影响。
The relationship between maturity and aroma quality was studied using flue-cured tobacco leaves in Henan.
以河南产烤烟为试材，研究了烤烟烟叶成熟度与香气质量关系。
A systematic experiment was conducted by pot experiments to determine the effects of arsenic toxicity on development, yield and quality of flue-cured tobacco.
为了考察砷毒害对烤烟生产的影响，采用盆栽试验，研究了砷与烤烟生长发育、产量和品质的关系。
By testing the tar and smoking nicotine of tobacco leaves of flue-cured tobacco 40 grading standard, a set of complete analytical data have been got.
通过对烤烟（40级）各等级烟叶焦油含量和烟气烟碱的测定，取得了一套较为完整的分析数据。
However, separation of the uppermost leaves during harvest may not be enough to produce cured tobacco with the desired chemical and physical characteristics.
但是仅靠在收获时对最上部叶片的分开采收，还不足以生产出具有期望理化特性的烟叶。
Today, many farmers find that bulk curing flue-cured tobacco is far more cost-effective.
现在，许多农夫发现大批量调制熏烟更加经济实惠。
The effects of different transplanting depths combined with one-off double-layer fertilization on the growth of flue-cured tobacco and nutrient contents of soil were studied in the field experiment.
将施肥技术和栽培措施相结合，通过大田试验研究不同移栽深度结合一次性双层施肥对烤烟生长及土壤养分的影响。
Inferior flue-cured tobacco was treated with for solutions of urea and sodium hydroxide.
用不同用量的脲和碱处理低次烤烟烟丝及低档卷烟配方烟丝。
Statistical analysis were used to investigate the relationship between content of water soluble sugar, alkaloid, total nitrogen and taste quality of flue cured tobacco.
通过数理统计系统分析了烟叶中水溶性糖(包括还原糖和总糖)、烟碱、总氮含量与烤烟吃味品质的关系。
For research of chroma automatic control in the flue-cured tobacco curing, a color data collector suitable to tobacco-curing is designed with a core of color sensor TCS230.
针对烟叶初烤色度自动控制方法的研究，以TCS230颜色传感器为核心，设计与开发了一种适合烟叶初烤过程中使用的颜色采集器。
The effects of transplanting in depth with one-off double-layer fertilization were studied on growth and development of flue-cured tobacco(K326).
以烤烟K326为材料，进行深移栽结合一次性双层施肥对烤烟生长发育影响的试验。
There was shortage of research on the content of medium and micro elements, and how to manage the micro elements was restricted to the development of Guizhou flue-cured tobacco production.
贵州省植烟土壤及烟叶中量与微量元素含量研究不足，烤烟生产微肥施用不合理等问题，已制约全省烟叶品质的提高。
The hygroscopicity and dehydration properties of some Chinese cured-tobacco have been investigated experimentally.
对几种中国烤烟烟叶的等温吸湿和解湿特性进行了实验研究。
The pre cured tobacco leaves of growing and ripeness do not contain TSNA, and they are formed and accumulated during curing, aging after harvesting.
大田正常生长及成熟的青烟不含TSNA，是采收后在调制、贮存陈化过程中逐步形成和积累起来的。
Flue-cured tobacco is dried in a closed barn with heat piped from a furnace, while burley is cured in the open air.
烤烟是利用在一个从烤炉引过来的热量管道在封闭的熟化仓里进行干燥，而白肋烟是在户外进行熟化加工的。
Effect of oxygen condition on chemical components in flue cured tobacco was studied by method of artificial fermentation.
采用人工发酵法研究了氧气条件对发酵烟叶化学成分的影响。
The chemical component content of flue-cured tobacco with different grades, from different areas and of different varieties in Hubei were analyzed.
以湖北烟区烤烟样品为材料，分析了不同等级、产地和品种间烤烟化学成分的含量状况。
The chemical component content of flue-cured tobacco with different grades, from different areas and of different varieties in Hubei were analyzed.
以湖北烟区烤烟样品为材料，分析了不同等级、产地和品种间烤烟化学成分的含量状况。
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