This article introduces foe characteristic and advantage of inner hole welded structure, and its designing, fabricating and running in a chemical fertilizer plant.
本文介绍了“内孔焊”结构的特点、优点以及该结构在我国某化肥厂装置中的设计、制造和运行。
The optimum fertilizer kinds of the soil were decided by the sticky plastic curve characteristic.
土壤的宜肥种类可以通过粘韧曲线型的特征来判断。
The quota system of competitiveness was established in response to the characteristic of phosphate fertilizer enterprises, and the mathematic model for quantitative assessment was put forward.
本文根据磷肥企业的特点，建立了其竞争力评价体系，并在此基础上确定了定量分析的模型。
We have seen the varied characteristic of nutrient residual quantity of slow release fertilizer in soil, Both possess activity of slow release in sand or clay soil.
从缓释肥料在土壤的养分残留量变化特点看出，无论在砂质或粘质土壤中，均具缓释作用。
The factors effecting composting are analyzed as well as the method to assess whether the composting process is finished. The characteristic of the organic fertilizer is also introduced.
从堆肥化的概念着手，重点分析了影响堆肥化过程的因素，评判堆肥腐熟进程的方法，以及堆肥产品的特点。
This paper introduced the characteristic of rare earth tiny fertilizer, the principle and method that rare earth tiny fertilizer improved agricultural production.
本文介绍了稀土微肥的特点，对农业增产的机理及使用方法。
Practice shows that a new-type fertilizer which is made out of aluminiferous phosphate rocks is characteristic not only of considerable fertilizer effect but of higher anti-drought ability.
实践证明，用磷铝质岩加工制成的新肥，不仅肥效显著，更有巨大的抗旱能力。
Practice shows that a new-type fertilizer which is made out of aluminiferous phosphate rocks is characteristic not only of considerable fertilizer effect but of higher anti-drought ability.
实践证明，用磷铝质岩加工制成的新肥，不仅肥效显著，更有巨大的抗旱能力。
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