The addition reaction with hydrogen cyanide is base - catalysed.与氰氢酸的加成是碱催化的.Increasing the system pressure increases the concentration of ammonia and hydrogen cyanide.增大体系压力能使氨和氰化氢的浓度升高.The addition of steam inhibits th...
The average dark current is often eliminated by means of a zeroing circuit.平均暗电流常利用调零电路消除.The system includes the modules of data acquiring, digital filtering, data conversion, digital zeroing and adjusting.该系统包括数据采集 、 数...
The degree of carbonization of coal depends on the temperature.煤层的炭化程度取决于温度.The carbonization and the graphitization of PI filament were described.叙述了PI原丝的碳化和石墨化过程.Pyrolysis section: built by laying high quality clay bri...
All schoolchildren must now receive some religious instruction.现在所有的在校儿童都必须接受一定的宗教教育。The film chronicles the everyday doings of a group of London schoolchildren.电影记载了一群伦敦小学生的日常活动。They rose to the challenge of entertainin...