查询词典 tobaccos

To purify tobaccos smoke and reduce its toxic components, many attempts have been used to improve cigarette. Among them, the main method is made to improve cigarette filters to strengthen its adsorption ability.

为净化香烟烟气，降低其有害成分，国内外已经做了长期大量的工作，其中采取的最主要的方法是改进卷烟滤棒，增加其吸附能力。

These selected variables were used in the determination of total volatile alkaloids and total nitrogen in tobaccos by partial least squares method.

偏最小二乘法[3]和主成分回归[4]是NIR技术中常用的两种化学计量学方法，曾被认为对噪音信号不敏感，在对庞大的数据矩阵进行处理时不需要变量筛选，但大量的研究工作表明，有效的变量筛选可以改善模型的预测能力和减少模型的复杂程度[5～8]。

During tobaccos early to middle period, material accumulating appeared increasing with the increasing of phosphorus consumption.

低磷土壤中，在烟株生长早期和中期，烤烟体内磷浓度随磷用量的增加而增加，与干物质积累变化保持一致；但到末期，磷浓度呈下降趋势。

The purpose was to analyze the effects of Helicoverpa armigera larvae-damaged tobaccos on the direct defence level of their nearby healthy plants.

［目的］分析棉铃虫幼虫取食烟草后对附近健康植株直接防御水平的影响。

PCR analysis with NPT II specific primers confirmed the integration of foreign genes into the genome of transgenic tobaccos.

结果表明，目的基因已整合到转基因烟草植株的基因组中。

Vegetative agriculture is a kind of productive system, which concentrates mainly on the production of vegetative organs such as stems and leaves of plants including herbages, green fodder, vegetations, flowers, teas, tobaccos, as well as rhizome and fibre crops. The principal difference between the traditional agriculture and vegetative agriculture is that the former focuses on the productivity of the seed in the whole growing period and the latter focuses on the productivity of available nutrients at the different growing stages of plants.

中文题名高寒地区营养体农业的原理与效率研究副题名外文题名 The efficiency and the principle of vegetative agriculture in alpine region of Qinghai-Tibetan plateau of China 论文作者贠旭疆导师胡自治教授任继周院士学科专业草业科学研究领域\研究方向学位级别博士学位授予单位甘肃农业大学学位授予日期2002 论文页码总数153页关键词高寒地区营养体农业籽实农业营养体作物馆藏号BSLW /2003 /S181 /1 营养体农业是指以收获作物茎、叶等营养器官为主要目的的农业生产系统，如牧草、青饲料、蔬菜、花卉、茶叶、烟草、根茎类及纤维作物等农业生产系统。

An extremely light-bodied mixture using seasoned, ribbon-cut lemon tobaccos of the highest grade from Brazil's Rio Grande do Sul.

极低稠度的混合物使用调过味的，从巴西的南里奥格兰德州最高等级烟丝柠檬烟草。

Tin Description: An extremley light-bodied mixture of seasoned, Ribbon-cut, Lemon tobaccos of the highest grade from Brazil's Rio Grande Do Sul.

组成说明：极低稠度的混合物使用调过味的，从巴西的南里奥格兰德州最高等级烟丝柠檬烟草。

Mild Virginia and sun-cured Kentucky tobaccos, blended with natural flowers.

温和的佛吉尼亚州和晒干的肯塔基州烟草，混合着自然花草味道。

Tin Description: Mild Virginia and sun-cured Kentucky tobaccos, blended with natural flowers. Cavendish and loose cut.

沙田描述：温和的佛吉尼亚州和晒干的肯塔基州烟草，混合着自然花草味道。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。