The experimental results show: delayed coking for coal tar can obtain higher fuel oil yield, lower wax oil yield and better products distribution.
实验结果表明：煤焦油延迟焦化可以得到较高的燃料油产率，较低的蜡油产率和较好的产品分布。
The change rule that coking yield and coke VCM increase as the coking period shortens in the commercial delayed coking unit has been calculated by the model.
应用该模型计算出工业焦化装置成焦周期缩短后，焦炭收率和焦炭挥发分增加的变化规律；
An additive to increase delayed coker yield has been prepared based on the mechanism of enhancing light oil yield and reducing the yields of coke and dry gas.
根据提高延迟焦化装置轻质油收率、降低焦炭和干气收率的作用机理，研制了一种延迟焦化增收剂。在实验室模拟延迟焦化装置上，对五种性质不同的原料渣油进行了空白和加剂试验。
Because of the delayed preventive measures of parasitic diseases, the livestock performance and the yield and quality of livestock products had been lowered.
然而绵羊寄生虫病的防治工作明显滞后，从而大大削弱家畜的生产性能，降低畜产品的产量和质量。
This is cotton quality and yield formation of key stage, continuous wet weather, affected cotton crack open bolls and pick, the bell also delayed the time to market showed.
眼下正是棉花品质和产量形成的关键阶段，持续阴雨天气，影响了棉花裂铃吐絮及采摘，也推迟了新棉的上市时间。
This is cotton quality and yield formation of key stage, continuous wet weather, affected cotton crack open bolls and pick, the bell also delayed the time to market showed.
眼下正是棉花品质和产量形成的关键阶段，持续阴雨天气，影响了棉花裂铃吐絮及采摘，也推迟了新棉的上市时间。
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