制备得到的BN为无定形态，合成率较高，残留尿素分解缩聚物较少。
The amorphous BN obtained had a higher yield and less residual condensation product of urea decomposition.
它必须被分解成为尿素，这时也要消耗能量。
该模型的计算值与实验数据和文献数据较一致，可用于尿素合成反应进程中、达化学平衡及高压分解时的气液平衡计算。
The results of calculation are accordant with the data taken from experiments and documents, which can be used for vapor-liquid equilibrium calculation in the course of urea reaction, chemical eq.
它必须被分解成尿素。
老年、少尿或无尿型ARF、高分解型ARF、严重感染、MOF、呼吸衰竭、肝功能衰竭、透析前尿素氮较高和透析较迟为与死亡有关的危险因素。
Risk factors included old age, oliguria or anuria ARF, hypercatabolism ARF, severe infection, MOF, respiratory failure, liver failure, high blood urea nitrogen, and delayed dialysis.
介绍氨气提法尿素装置的造粒喷头、二段蒸发水离器及分解系统压力控制阀的改造情况。
The retrofit is given of the prilling basket, second stage evaporation separator and control valve for pressure in the hydrolysis system in a urea unit based on the ammonia stripping process.
该工厂使用尿素作为还原剂，向分解炉内连续加入。
The plant added carbamide as reducer into calciner continuously.
尿素生产中的一段分解加热器列管内的垢层，直接影响到产品的产量、质量和消耗。
Scaling in tube array of heater for first stage decomposition in urea production has a direct bearing on the output and quality of the product and consumption.
该工艺将尿素与硫酸制成酸解剂，用于分解磷矿制成含n、P的尿基复合肥。
In this process, the acidolysis agent was produced by using urea and sulphuric acid.
叙述了用等压似三元相图计算尿素工艺中减压加热分解工序中的甲铵分解率、总氨蒸出率以及分解后的气液组成的方法。
The nomograms provided can be used to calculate the above parameters under the conditions of various decomposition pressures and heating temperatures in the traditional aqueous solution…
叙述了用等压似三元相图计算尿素工艺中减压加热分解工序中的甲铵分解率、总氨蒸出率以及分解后的气液组成的方法。
The nomograms provided can be used to calculate the above parameters under the conditions of various decomposition pressures and heating temperatures in the traditional aqueous solution…
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