The paper introduced the course mechanism, effecting factor, methods of determination, and the effected technique of reducing loss from ammonia volatilization in paddy soil.
就稻田氨挥发产生过程和机理、影响因素、测定方法以及减少稻田氨挥发的有效技术作一综合回顾；
A simple and rapid method is proposed for the determination of bismuth in geological materials which combines slurry technique with hydride generation atomic fluorescence spectrometry.
本文提出了一种把悬浮液技术与氢化物发生法相结合原子荧光光谱法测定化探样品中痕量铋的分析方法。
The results provide theoretical basis for seabuckthorn energy forest cultivation technique, determination of rotation cutting period and fruit of different ages processing and utilization.
试验结果为沙棘能源林栽培技术和轮伐期的确定、为不同林龄果实加工利用的优劣状况提供了理论依据。
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