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为了解决采用无差动装置滚齿机加工小螺旋角齿轮,加工原理、公式推导过程欠缺的问题,详细演示了其加工参数的计算推导过程;通过实......
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大学数学是工科大学生必修的一门重要基础课。在大学数学的学习过程中，很多同学在老师的启发引导下，尝试探索出一些简便、快捷的解题......
建立了一种同位素内标-气相色谱-质谱法测定食用植物油中缩水甘油酯(GEs)的检测方法。先将GEs转化成3-溴-1,2-丙二醇(3-MBPD)单酯,......
Eight comptexes （RC<sub>5</sub>H<sub>4</sub>）<sub>2</sub>Ti（O<sub>2</sub>CA<sub>r</sub>）<sub>2</sub>（R=H,CH<sub>3</sub>;Ar=wi......
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