In view of low milling efficiency, the effect of milling form, loading coefficient of materials, rotational speed of ball mill, milling time and grinding aid on milling efficiency was discussed.
针对陶瓷生产中球磨机效率低的问题，从工艺上讨论了研磨方式、物料的装填系数、球磨机转速、研磨时间以及助磨剂对球磨机效率的影响。
Now luminescent efficiency and life time are still the thresholds that prevent the materials from practical usage.
而效率和寿命仍然是阻止其进入大规模实用化的最后门槛。
In order to improve the purchasing efficiency, save the purchasing cost and ensure supply on time, a purchasing portfolio based on purchasing materials characteristics for steel industry was proposed.
为提高采购效率，节约采购成本，保证准时供应，针对钢铁行业提出了一种基于采购物资属性的采购分组方法，在此基础上研究了采购策略。
An emergent logistics offers break-down materials for the place where an accident happens. The goal of the emergent logistics is to pursue the maximum of time efficiency and minimum of disaster loss.
应急物流是为突发事件发生地提供所需救援物资，目标是追求时间效益最大化和灾害损失最小化。
This equipment is easy to operate, can save time and materials, and raise the efficiency.
该设备操作简便，省时省料，提高铜电极制备的效率。
The optimization of materials handling system is propitious to minimization of time and cost during the handling course, and it also decreases the intensity of Labour and increases work efficiency.
物料搬运系统的优化有利于搬运过程中成本最低化和时间的最小化，同时降低劳动强度，提高人员工作效率。
The main feature of the machine is one-time packing for the inner and outer bag, avoiding hands directly contacting with stuff materials, improving the efficiency.
该机的主要特点是内外袋一次成型，避免了人手与物料的直接接触，提高效率。
The main feature of the machine is one-time packing for the inner and outer bag, avoiding hands directly contacting with stuff materials, improving the efficiency.
该机的主要特点是内外袋一次成型，避免了人手与物料的直接接触，提高效率。
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