本文用液上气相色谱法在不同温度下测定了不同中和度的含SO42-0~4%的磷铵料浆的平衡氨分压。
In this paper, ammonia equipressures of ammonium phosphate slurry under different neutralization degree and SO42- cone entration(0~4%) are determined using headspace gas chromatography.
在那里或许有些奇怪的化学成分是开普勒望远镜没能看到的。 这个温度太热了不能形成氨云,氨云可以反射一部分入射辐射,如木星上便是如此。
That’s too hot for the formation of ammonia clouds that would reflect some of that incoming radiation as they do on Jupiter.
答:氨在氨水中的百分比是50%。
甲氨蝶呤和米索前列醇使用是一个分两步走的方法。
实践证明,电解氢用于氨合成是完全可行的,经济效益十分显著。
Practice proves that the use of electrolytic hydrogen in ammonia synthesis is totally feasible, with marked economic benefit.
用氟硅酸铵对HMCM-22分子筛进行了改性处理,并采用氨程序升温脱附和吡啶吸附红外光谱法测定了其酸性。
HMCM-22 zeolite was modified with ammonium hexafluorosilicate and characterized by temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy.
文章介绍了在纺制毛粗纺氨纶包芯纱时,氨纶百分含量、预牵伸倍数和捻度对包芯纱强伸性和弹性的影响规律;
The influence of percentage of spandex, drafting ratio of spandex and twist of core spun yarn on tensile properties and elasticity of spandex core spun yarns on woolen spinning system were studied.
合成氨是重要的化工产品,在国民经济中具有十分重要的意义。
Ammonia is an important chemical product and it plays a significant role in the national economy.
试计算氮在尿素及硫酸氨的质量百分率。
Calculate the percentage by mass of nitrogen in urea and ammonium sulphate.
氨溴索干预组的肺动脉平滑肌细胞和细胞外基质的病变明显轻于低氧组,管壁面积占总面积的百分比和管壁厚度占外径的百分比明显低于低氧组(P <0 0 1)。
PAPM in AP group is significantly lower than that of CIH group ( P< 0.01); The damage of pulmonary artery smooth muscle cells and extra cell matrix of AP group is much slighter than that of CIH group.
氨溴索干预组的肺动脉平滑肌细胞和细胞外基质的病变明显轻于低氧组,管壁面积占总面积的百分比和管壁厚度占外径的百分比明显低于低氧组(P <0 0 1)。
PAPM in AP group is significantly lower than that of CIH group ( P< 0.01); The damage of pulmonary artery smooth muscle cells and extra cell matrix of AP group is much slighter than that of CIH group.
应用推荐