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Flue-cured tobacco ; organic fertilizer ; microbe ; quality

烤烟;有机肥;微生物;品质

The low rate (150 Mg kg/hm~2), the middle rate (300 Mg kg/hm~2) and the high rate (450 Mg kg/hm~2) were experimented to study the yield and qualities formation and growth of flue-cured tobacco under different magnesium fertilizer application.

2005年在湖南常宁市大田栽培条件下,以云烟87为供试验烤烟材料,采用漂浮育苗移栽,进行3次重复的随机区组试验,研究了在低镁水平(150kg/hm~2)、中镁水平(300kg/hm~2)和高镁水平(150kg/hm~2)三种不同施镁水平下,烤烟的生长发育、烤烟光合强度、蒸腾强度、烟株Mg~(2+)及干物质积累动态、产量、烟叶品质、经济性状和经济效益等烤烟生长发育的生理化学指标。

Although effects of nitrogen fertilizer on nitrogen accumulation and nitrate reductase in tobacco leaf had been extensively studied, impacts of nitrogen fertilizer on flue-cured tobacco leaf nitrogen metabolism in dry land and paddy field were not well documented.

试验采用裂区设计,以硝态氮和铵态氮两种氮素形态为主处理、5个供氮水平为副处理,在大田条件下研究了水田与旱地烤烟在团棵、旺长、脚叶采烤、腰叶采烤和顶叶采烤等5个生育期烟叶的总氮浓度、硝酸还原酶和谷酰胺合成酶活性的氮肥效应。

The field experiments were carried out at different organic matter contents soils at Nanhua county, the result showed that: Application of suitable cake fertilizer quantities and chemistry fertilizer can promote upper leaves to spread out, enhance P and K nutrition of flue-cured leaves; The tobacco applied cake fertilizer quantities grows well, the leaves yellowing and maturity in place, and suitable cake fertilizer can raise yield and value.

通过在南华县不同有机质含量土壤上饼肥用量试验,结果表明:适量饼肥与复合肥配施,可促进上部烟叶的开片,提高烤烟叶片中磷钾营养;施用饼肥的烤烟生长良好,烟叶适时落黄成熟,可提高烟叶的亩产量和亩产值。

Organic acid; Flue-cured tobacco; Cake fertilizer; Chemical fertilizer

武雪萍;刘国顺;彭华伟;朱凯;杨超烤烟;有机酸;饼肥;化肥

The study examined the influences of imagery environmental factors such as lighting voltages in a flue-cured tobacco leaf image capture lamp box, digital camera brands, focusing distances and resolutions on the result of image recognition.

研究灯箱中采集烟叶图像时照明电压、不同品牌数码相机、聚焦距离及相机分辨率等成像环境因素对图像识别结果的影响,用相对颜色法对因成像环境因素影响而引起的烟叶图像颜色变异进行实时校正。

Of this total, 409,000 t were reportedly used in ceramic floor and wall tile (-20.9% compared to 2000); 11.1 Mt in extruded brick (-4.3%); 1.7 Mt in other brick products (-2.9%); 79,900 t in clay drain tile and sewer pipe (+10%); 256,000 t in clay flue linings (-1.2%); 71,400 t in miscellaneous heavy clay products, such as flower pots, roofing tile and terra cotta (-33.9%); and 741,000 t in refractories (+36.3%).

据报道,全美国所销售的球粘土中有58.7万吨,用于制造陶瓷墙地砖(比2000年下降了3.3%),24.7万吨用于制造卫生洁具(下降了3.5%),62600吨用于耐火材料(下降9.2%),20500吨用于制造陶瓷(下降9.7%),13500吨用于制造其它各种陶瓷产品,包括催化剂、电子陶瓷、纤维玻璃、精细陶瓷、餐具、釉和矿物羊毛(下降10.6%)。2001年,美国的普通粘土和板岩产量仅为2320万吨,下降了2.1%,产值约1.29亿美元,其中有40.9万吨用于陶瓷墙地砖生产(下降20.9%),1110吨万吨用于挤压成形砖生产(下降4.3%),170万吨用于其它砖产品(下降2.9%),79900吨用于粘土排水砖和排水管(上升10%),25.6吨万用于粘土烟道衬里(下降1.2%),71400吨用于其它各种重粘土产品,如花盆,屋顶瓦和红泥陶等(下降33.9%);74.1万吨用于耐火材料(上升36.3%)。

In this paper we analyzed the CO and NO X emission from water heaters and the pollution to kitchen environment by using the test data in kitchen environment and the concentration of harmful gas in flue gas discharged from water heaters working in different conditions.

利用燃气快速热水器在不同使用工况下,烟气中有害气体含量及厨房环境测试数据,分析了热水器排放及其对厨房环境的污染情况。

To study the influences of methane on selective non-catalytic reduction, the condition of flue gas composition was simulated on a drop tube furnace test rig, and the influences of a few of methane on SNCR temperature window, NOx reduction efficiency and ammonia slip from 650℃ to 1 150 ℃ were investigated, as well as reactivity of methane.

为研究甲烷对选择性非催化还原脱硝反应的影响作用,在沉降炉实验台上模拟锅炉烟道内的反应环境和烟气成分,在650~1150 ℃范围内,研究了微量甲烷对SNCR反应温度窗口、脱硝效率和氨泄漏的影响,以及甲烷在脱硝过程中的反应特性。

The results show:the amount of tar is declining when flue-cured which is low tar,combustion-supporting,the use of additives,reconstructed tobacco,expended tobacco while the amount of tar is same when cigarettes paper which is high porosity which are pereated are used. But if the porosity of cigarette paper are too high,the quality of cigarettes inside will be effected.

结果表明:采用焦油含量低的烤烟烟叶、膨胀烟草、烟草薄片、合适的烟用添加剂,则焦油量呈下降趋势;在辅助材料方面,使用高透气度盘纸,则焦油量呈下降趋势,但通气度不易过高,否则影响卷烟的内在质量。

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