Methods the representative of the coal and Steel Community of urea is ammonia P1, alpha, rho, and alpha.

摘要

One type includes: synthesis of CO 2 and_2c pi__NR 3 with urea and mu______________under the power supply of ANA and_964_190 and 210 degrees Celsius, partial or total conversion of____, due to the existence of___and its influence The composition of LAN;The EC cycle consisting of a mixture of ammonium carbamate is at an appropriate ratio of pi to p_____ammonia to water.