A term applied to the bottom shell plating in a double-bottom ship is ___. A: ottom floo B: outer bottom C: shear plating D: tank top

The margin plate is the（）. A: Aoutboard strake of plating on each side of an innerbottom B: Bouter strake of plating on each side of the main deck of a vessel C: Cplate which sits atop the center vertical keel D: Duppermost continuous strake of plating on the shell of a vessel

In heavy weather you notice buckling in the midships deck plating of your vessel. To relieve the strain you could（）.

When nickel ion in the nickel plating solution is titrated with the EDTA standard solution, the purple color of the end point is the color of the complex formed by the murexide indicator and the nickel ion.

下列哪种实验可用来测定致癌物质: A: Aems test B: transformation test C: fluctuation test D: eplica plating test E: Widal test

When nickel ion in the nickel plating solution is titrated with the EDTA standard solution, the purple color of the end point is the color of the complex formed by the murexide indicator and the nickel ion. A: 正确 B: 错误

营养缺陷株可以通过以下那种方式分离？ A: Replica Plating 影印平板 B: Ames test C: UV treatment紫外照射 D: Bromouracil溴尿嘧啶