以下为句子列表：
英文: Abstract: Based on the theory of the structure dynamics,with the limited element SAP5 programm as the calculating way,a calculatingway of the dynamics intenisity of the sieves lateral plate is put forward and the reason why this kind of oscillating sieve
中文: 文摘:以结构力学理论为依据，以有限元SAP5程序为计算手段，提出了一种直线振动筛侧板的动力学强度的计算方法，并分析了这类振动筛在侧板上产生裂纹的原因.
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英文: Alumina is then extracted from the furnace and passed over vibrating sieves to obtain an extremely fine powder with a diameter of less than one micron.
中文: 将铝氧粉从煅烧炉中提取出来。通过振动筛，筛出直径不足1微米的超细粉末。
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英文: It can be operate for the sorting purpose either in single sieve or multi-sieves with a compact structure, seay operating and repairing, smooth running, low noise, large materials-treating, good fineness, and wide applicability etc.
中文: 本机可用于单层或多层分级使用，具有结构紧凑、操作维修方便、运转平稳、噪音低、处理物料量大、细度小、适用性强等优点。
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英文: Molecular-sieves are good at adsorbing many contaminations (H2O especially), so it usually be used to adsorb contaminations.
中文: 分子筛对包括水汽在内的多种污染物具有良好的吸附作用，可以作为控制污染物的吸附材料。
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英文: Presently the condition of most researches about molecular-sieves work at normal temperature and ordinary pressure.
中文: 目前对于分子筛吸附特性的研究集中在常压环境。
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