氨气加氧气,在催化剂条件下加热,可生成一氧化氮和水。化学方程式:4NH3+5O2=4NO+6H2O(催化剂/加热)。氨气检验方法:用湿润的红色石蕊试纸检验,试纸变蓝证明有氨气。用玻璃棒蘸浓盐酸靠近,产[详细]
Delphi - Custom drawing a message list
C++ header-only include pattern
IE7 Margin Collapses Into Padding
in CoffeeScript, how can I use a variable as a key in a hash?
Interactive visualization of a graph in python [closed]
How to customise PHP MYSQL tables?
High quality, simple random password generator
Image Recognition ApI in android