选用K 18合金和纯金属镍及不同的面层细化料，通过实验对比研究了镍基高温合金叶片表面晶粒细化机理。
Surface grain refinement of turbine blades in Ni based superalloy K18 were studied by comparison of experimental results in different alloys and mold surface materials.
亚利桑那大学的一项研究计划对比了实验参与者对自身习惯的认识和对他们垃圾的记录。
A research programme at the University of Arizona conducted several studies comparing the participants' own assessments of their habits with the record provided by their rubbish.
此外，设计者们还将每个研究对象的每种促销定价实验，与对照组实验进行对比，得出其额外的损失，然后再根据平均额外损失为五种促销定价方式排名，最终确定了最忽悠人/框人的促销方式为“复合定价法”，然后依次是“限时定价法”、“钓饵定价法”﹑“贱卖定价法”和“复杂定价法”。
The average extra loss was then used to rank the five price frames. Shoppers were worst off under drip pricing, followed by time-limited offers, baiting, sales and complex pricing.
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