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在温度为290～370℃,压力直到250大气压附近,实验确定了氨的比容,得到了六条等容线。用实验数据估计了氨开始分解的分界线。作者对Я.З.卡什夫辛斯基(Казавчинскний)拟订的确定状态方程的方法作了简化。根据这个简化的方法并利用М.Л.符卡诺维奇(Вукалович)的数据建立了新的状态方程式。把从方程式求得的数值与作者的实验数据相比较。比较表明,在290～370℃的区域内二者的平均分歧不超过0.52%。用这个方程式计算了在300～370℃、80～250大气压范围内的新表格。
At a temperature of 290 ~ 370 ℃, pressure up to 250 atm, experimentally determined ammonia specific volume, obtained six isovolumic. The experimental data is used to estimate the demarcation line of ammonia decomposition. The authors simplified the method for determining the state equation developed by Я.З.Kashsan чинскний. According to this simplified method and using the data of М.Л. Вукалович a new equation of state was established. The value obtained from the equation is compared to the author’s experimental data. The comparison shows that the average difference between the two in the range of 290 ~ 370 ℃ does not exceed 0.52%. This equation is used to calculate a new table at 300-370 ° C and 80-250 atmospheres.