天气预报15天查询> 其他> 蜡烛为什么能在水里燃烧

蜡烛为什么能在水里燃烧

更新时间: 2020-10-21 00:00:00     

因为燃烧所需三个条件:可燃物、空气、达到燃点。蜡烛属可燃物,并且与水不相溶,水中也溶有氧气,只要达到燃点,蜡烛便能在水中燃烧。

水起到冷却作用,使靠近水的蜡烛不会融化,而中间的蜡烛不断向下燃烧。蜡烛燃烧形成的蜡液经水冷却后,构成一层很薄的外壁。蜡烛密度小,融化时漂浮在上面,将水和火焰隔离开来,这样火焰遇水时不会熄灭,而是继续燃烧。

关键词: 蜡烛 为什么 燃烧

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2705372/ | 耗时:0.2740 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2705372 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2705372 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2705372 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1125021,1024969,1064631,1062252,1121084,1068710,1128008,1115643,1078767,1049510,1123343,1066268,1093625,1081843,1129009,1129999,1102182,1097253,1065303,1047141,1127931,1121580,1097121,1071994,1094255,1104483,1085390,1109677,1123028,1088974) ORDER BY field (ArticleID,1125021,1024969,1064631,1062252,1121084,1068710,1128008,1115643,1078767,1049510,1123343,1066268,1093625,1081843,1129009,1129999,1102182,1097253,1065303,1047141,1127931,1121580,1097121,1071994,1094255,1104483,1085390,1109677,1123028,1088974)