Tea plane surface round sifter . test methods 茶叶平面圆筛机.试验方法
2.
A cube - shaped rock plucked out of his sifters turned out to be a 4 . 38 - carat , tea - colored diamond 一块从筛子上拔出的方形石头原来是一块重4 . 38克拉（ 0 . 876克）的茶色钻石。
3.
Through investigation and comparison of the edition , sifters have found that the present : yu zhang series has been of the same origin with the series corrected by yu wangjue , which exists little differences , and it had no original connection with the series of ye zhanquan , which exists much differences 通过版本考察与对比，整理者发现行世《豫章丛书》本与馆藏俞王爵校辑本同源，差异较小，而与馆藏清初叶瞻泉刻本无渊源关系，差异较大。
4.
In order to solve the technological problem of the dredge of raw material flow on the production line , we ? e carried out as overall theoretical and experimental research on the movement characteristic of the raw material on the surface of sifter in the vibratory machine , the dynamics property of the vibration stimulated by inertial double - axes , the flow property of raw material in these store hoppers , the agglomeration and obstruction mechanism 针对生产实践急需，提出了本项研究题目。本文为了解决生产线物料流疏通的技术难题，对物料在振动筛分机筛面上的运动特性、双轴惯性激励式振动筛分机的动力学特性、储料仓内物料的流动特性、物料结拱及堵塞机理等进行了全面的理论分析和试验研究。
5.
A stripping uint with the cross - flow fan was developed , aimed to reduce the grain losses at the rear of the stripping drum reduce the blocking to the air outlet sifter and diffuse dust . . this dissertation gives overall scheme of the rig and had mad experimental study 针对非气吸式割前摘脱装置在收获作物时，出风口筛面发生堵塞使装置内流场变差，导致装置的落粒损失率过大；以及出风口处烟尘四散，影响了驾驶员的视野和危害工作人员的身心健康等生产中存在的问题。
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