However, the introduction of the disposal cost of used products and the variable costs of manufacture and recovery will change the optimal policy of planning horizon.
但是,旧产品处置成本、制造与翻新变动成本的引入将改变计划期间最优策略。
参考来源 - 需求确定的制造与翻新混合系统库存决策模型研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A process for recovery of rare earth from filter liquor of molecular sieve manufacture by extraction was described, including laboratory experimental, pilot test results and industrial performance.
本文介绍了从分子筛制造过程的滤液中用萃取法回收稀土的工艺，给出了小试、中试及工业装置运转结果。
Though the improvement of manufacture technology of the modules welding between spire-wing tube and header for combined cycle heat recovery boiler, difficulty of the assembling was shortened.
通过对联合循环余热锅炉螺旋翅片管与集箱焊接的组件的制造工艺进行改进，降低了装配难度。
The second part of this thesis is the recovery and utilization of the waste salt solution of cyclohexanone manufacture.
文章的第二部分为环己烷氧化废碱液的回收利用。
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