食(饮)具大肠菌群两种检测方法比较--(技术与方法) 关键词] 食(饮)具大肠菌群；发酵法；纸片法 [gap=868]Key words] Coliform on tableware；Fermentation method； Paper disk method
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Methods the strains were isolated using gradient dilution and streak plate techniques and the activity was determined by Oxford cup method and paper disk method.
方法梯度稀释与划线法分离菌株，并利用牛津杯法和纸片法测定其抗菌活性。
This paper presents a new method to design the disk CAM with concave follower, and finds the relationship between the new kind of CAM and the formal ones.
找出了凹圆弧底直动从动件盘形凸轮与原有凸轮之间的区别与联系，并统一了原有凸轮的设计方法。
In this paper, a computational method for coplanar disk-shaped cracks within an elastic infinite body is presented.
本文对于含有圆盘状共面裂纹群的无限体提出了一种计算方法。
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