期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
蜡烛是怎样熄灭的
1
作者 张驰林 《化学教学》 CAS 北大核心 1996年第2期39-39,共1页
蜡烛是怎样熄灭的武山甘肃毛纺织厂子弟中学(741300)张驰林新编初中化学全一册有一题是:“为什么炉火用扇子庙,越扇越旺,而蜡烛的火焰用扇子一词就灭?”教学参考书的答案是:往煤炉内吹风,供给了燃烧所需的足量氧气,冷空... 蜡烛是怎样熄灭的武山甘肃毛纺织厂子弟中学(741300)张驰林新编初中化学全一册有一题是:“为什么炉火用扇子庙,越扇越旺,而蜡烛的火焰用扇子一词就灭?”教学参考书的答案是:往煤炉内吹风,供给了燃烧所需的足量氧气,冷空气虽能使炉内燃料降温,但却不能使炉... 展开更多
关键词 蜡烛火焰 石蜡 木炭块 毛纺织厂 火焰熄灭 电吹风 初中化学 燃烧过程 风口水平 氧化碳
下载PDF
Perception Survey of Carbon Monoxide Risk in Rabat-Sale-Zemmour-Zaer Populations
2
作者 Aghandous Rachida Rhalem Naima +4 位作者 Chaoui Hanane Ouammi Lahcen Soulaymani Abdelmajid Mokhtari Abdelrhani Soulaymani-Bencheikh Rachida 《Journal of Life Sciences》 2014年第1期89-94,共6页
Carbon monoxide (CO) intoxication is one of the most common types of poisoning in the modem world. To better tailor messages and communication needs to the public, a perception survey of CO and his risk was conducte... Carbon monoxide (CO) intoxication is one of the most common types of poisoning in the modem world. To better tailor messages and communication needs to the public, a perception survey of CO and his risk was conducted among the population of Rabat-Sale-Zemmour-Zaer. The authors included 400 people in this survey. The demographic characteristics of the respondents consisted of: 85.0% female, 92.9% adults, 29.7% had a high level of education, 49.6% unemployed, 89.5% were home owners and 53.9% lived in apartments. Water heaters were present in the homes of 91.0% of respondents and 6.5% of them used gas. Gas was used as fuel in 45.4% of cases. For water heaters, 20.8% had an exhaust duct, 9.9% were serviced regularly and 47.5% were installed in a well ventilated area. Regarding the media, television was the medium that allowed 73.4% of the CO to know, regardless of age, sex and level of education among the 94.3% of who ever heard of this deadly gas before the survey. 展开更多
关键词 Carbon monoxide POISONING perception survey.
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部