Ammonium nitrate (an) propellant used in missile's gas generator is studied for making it having a low burning temperature, clear gas and a larger adjusting rage of burning rate.
为使用于导弹燃气发生器的推进剂的燃温低、燃气清洁、燃速调节范围大，对硝酸铵(AN)推进剂进行了研究。
In order to lower the cost of porcelain production, we should make full use of native raw materials with low price and quality, reduce the temperature of burning and shorten the time of burning.
余筱勤，王建干，吕淑珍，低温快烧瓷质地砖的研制为降低生产成本，人们应该充分利用本地劣质廉价原料，降低陶瓷烧成温度，缩短烧成时间。
The problem of the low early strength of Belite cement can be solved by adding minerals which has high early strength or appropriate activation or burning at low temperature.
虽然贝利持矿物早期强度较低，但通过引入早强矿物或加适当的稳定活化剂或低温煅烧等方式可以解决贝利特水泥早强低的问题。
应用推荐