The principle of separation by which all commercially available oily water separators function is () differential between oil and water.
A、the temperature
B、the viscosity
C、the gravity
D、the size
A、the temperature
B、the viscosity
C、the gravity
D、the size
A、The Bill of Rights excluded any Roman Catholics from the succession. B、The Bill of Rights confirmed the principle of parliamentary supremacy. C、The Bill of Rights guaranteed free speech within both the House of Lords and the House of Commons. D、The Bill of Rights requested that no taxes should be raised without consent of Parliament.
A、to avoid the rearrangement of the cargo loaded on board B、to ensure the safety of the ship and cargo C、to reject the damaged cargo during loading operation D、to prevent the spontaneous combustion of coal and grain
A、to avoid the rearrangement of the cargo loaded on board B、to ensure the safety of the ship and cargo C、to reject the damaged cargo during loading operation D、to prevent the spontaneous combustion of the coal and grain
A、to ensure the safety of the ship and protect the cargo from being damaged B、to avoid the rearrangement of the cargo loaded on board C、to reject the damaged cargo during loading D、to prevent the spontaneous combustion of coal and grain
A、A.Magnetic materials of the same polarity repel each other and those of opposite polarity attract B、B.The Earth's magnetic lines of force are parallel to the surface of the Earth C、C.Magnetic meridians connect points of equal magnetic variation D、D.The compass needle(s) will,when properly compensated,lie parallel to the isogonic lines of the Earth