美国宇航局发言人约翰•耶姆布雷克表示，但是，碎片会继续扩散，有可能迫使空间站在某种情况下采取避撞操作。
The debris will continue to spread, however, and potentially could force the station to make an avoidance maneuver at some point, said NASA spokesman John Yembrick.
首先，测定包括分配系数、水相传质扩散系数和反应平衡常数等基础参数，并分析了各操作条件对其影响。
Firstly, allocation coefficient, diffusion coefficient and reversible reaction equilibrium const are determined, and the operation factors affecting these parameters also investigated.
结论：头孢西丁纸片扩散法操作简便，结果可靠，可作为临床实验室检测耐甲氧西林葡萄球菌的常规方法。
Conclusion Cefoxitin disk diffusion test is reliable, simple and convenient, and it can be used as a conventional method for the detection of MRS in clinical laboratories.
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