世界人口27%所在国家不禁止免费分发烟草制品。
27% of the world's population live in countries that do not ban free distribution of tobacco products.
近年来SBI测试已经成为欧洲建材燃烧和发烟特性的标准测试。
In recent years, the SBI test has become a standard requirement in Europe for the fire and smoke behaviour of building components.
发烟硫酸活性高，有助于提高磺化物的磺 化度。
The high activity of the oleums is helpful for enhancing the sulfonation degree of the sulfonated bodies.
经理论计算和实验验证得出发烟系统的最佳混合比。
The optimum mixture ratio was given out by theoretic calculation and experiments.
不宜长时间烹煮油脂重的食物，以免油脂过热发烟。
Food with a lot of fat should be watched carefully - cooking to for too long can lead to burning.
最方便和被广泛采用的装置是一种简单的手提发烟器。
The most convenient and generally used device is a simple hand-held smoke puffer.
酚醛树脂以其难燃、低发烟、耐热的优点被大量使用。
The phenolic resin can be widely used in the subway because of its flame retardant, low smoke and heat resistance.
本文采用正交实验的方法，研究了聚氯乙烯发烟量的控制。
In the paper orthographical method was used to study the control of smoke generation from poly (vinyl chloride).
与传统的发烟性产品相比，本发明产品显著减小了潜在的危险。
The products disclosed present a significantly lower risk than traditional smokable products.
“高档”与“中档”煤油的根本差别在于前者比后者的发烟点高。
An essential difference between "premium" and "regular" grades of kerosine is that the former has a higher smoke-point.
目的：探讨引燃式灭蟑烟雾剂的发烟效果评价指标及其最优配方。
Objective:To pioneer out both efficacy's assessment indices and optimum formula of fuse-induced smoke insecticide of B. germanica.
以大庆黑帝庙稠油为原料，发烟硫酸为磺化剂，合成了稠油磺酸盐。
A new surfactant heavy crude oil sulfonates (HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid.
加入无机阻燃剂可以抑制HIPS共混材料燃烧，明显降低发烟量；
The inorganic flame retardants could inhibit the burning of HIPS blending materials and significantly reduced the smoking volume.
豆油具有较高的“发烟点”，也就是说，用豆油烹饪时可以高温翻炒。
And soy oil has a high 'smoke point, ' meaning it can be stirred in a wok at high temperatures.
实验结果表明：将WQJ-1型小发动机改为发烟机动力装置是可行的。
The result shows that it is possible to make an improvement from the WQJ 1 small engine to the powerplant of the smoke generator.
用锥形量热法研究了膨胀型阻燃剂对低密度聚乙烯燃烧和发烟性能的影响。
The effect of intumescent flame retardant(IFR)on the combustion and smoke of low-density polyethylene(LDPE)was studied by cone calorimeter.
分析比较得出PE/稻壳粉和PP/稻壳粉复合材料两者的发烟特性相近。
The smoking characteristics of the rice hull flour filled with common thermoplastics polyethylene ( PE ), polypropylene( PP) , polyvinyl chloride( PVC) composites were evaluated by cone calorimeter.
简述了外军业已装备的和正在研究的发烟剂及其器材的现状，提出了今后的发展趋势。
This paper briefly describes smoke generating compositions and their materials which are equipped in foreign army. The developing trend is also presented.
卤系阻燃剂阻燃效果较好，但是阻燃过程中发烟量大，并且会产生有毒、腐蚀性气体。
Though the effect of halogen-containing flame retardants is good, they produce a large amount of smoke and even corrosive and poisonous gases during combustion.
用途：该信号能提供自亮灯和自发烟雾信号供白昼和黑夜使用并相等地分布在船舶两舷。
A lifebuoy is provided with self-igniting light and self-activating smoke signal which is available for use by dayand at night and to be equally distributed on both sides of the ship.
符合25/50可燃性和发烟等级要求的规定，经过美国试验材料学会E 84方法检测。
Hoses meet 25/50 flammability and smoke development classification requirements of codes and specifications when tested by ASTM E 84 method.
围绕富碳燃烧型快速发烟剂的红外消光能力和燃烧成烟速度，进行理论分析和试验对比验证。
The paper is directed at how to enhance the infrared extinction ability and the burning speed of the burning fast smoke agent.
方法以烟剂的发烟温度、燃烧温度、吸湿度、稳定性、安全性及现场药效为主要质量指标进行评价。
Methods To evaluate the smoke generator according to its smoking temperature, burning temperature, water absorbing rate, stability, security and the field trial efficacy.
以废聚苯乙烯（WPS）泡沫为原料，采用浓硫酸和发烟硫酸两种磺化方法制备性能良好的砼减水剂。
The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene(WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.
结果表明最大衰减均达到70%以上，说明利用可膨胀石墨发烟剂产生的烟幕来干扰毫米波是可行的。
Test results showed that the maximum attenuation effect can exceed 70%, and the expansible graphite was proved to be a possible countermeasure to millimeter wave.
以发烟硫酸-高氯酸为催化剂，通过四氢呋喃的阳离子开环聚合合成了窄分子量分布的聚四氢呋喃(PTHF)。
Polytetrahydrofuran (PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.
燃烧过程中有发泡膨胀现象，样品离火后迅速炭化自熄，无熔融、滴落现象，发烟量小，是一类较好的膨胀型阻燃剂。
The samples foam and expand during the combustion process, and they carbonize and extinguish right after being deviated from fire, without melting and dropping and with low smoking.
该论文研究旨在提高燃烧型发烟剂的中远红外波段的遮蔽能力。在热力学计算和烟幕红外透过率测试的基础上，进行配方设计。
Improvement of obscuring effect in middle and far infrared waves is the aim of study about combustion smoke-producing mixtures.
该论文研究旨在提高燃烧型发烟剂的中远红外波段的遮蔽能力。在热力学计算和烟幕红外透过率测试的基础上，进行配方设计。
Improvement of obscuring effect in middle and far infrared waves is the aim of study about combustion smoke-producing mixtures.
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