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The principle of separation by which all commercially available oily water separators func
A.the temperature
B.the viscosity
C.the gravity
D.the size
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A.the temperature
B.the viscosity
C.the gravity
D.the size
A、insulin
B、thyroxine
C、GnRH
D、Gastrointestinal hormones
E、adrenal cortex hormones
A、Frontal bone
B、parietal bone
C、occipital bone
D、sphenoid bone
A、The Dancing Festival
B、The Fair of Songs Festival
C、The Bronze-drum Dance
D、The Long-drum Dance
E、Lunar May 5rd
F、Lunar March 3rd
G、two or three
H、six or seven
I、inside
J、outside
A、visceral pain is referred to the adjacent healthy organ
B、visceral pain is referred to the distant healthy organ.
C、viscearl pain is referred to the adnacent parietal surface, such as parietal peritneum, pleura, pr pericardium.
D、visceral pain is referred to the surface of body that some distance away.
E、The pain of the surface of body is referred to the distal healthy organ.
A、sharp pain.
B、fast pain.
C、poor localized.
D、could not be caused by stretch.
A、When pain is referred, it is usually to a structure that developed from the same embryonic segment or dermatome as the structure in which the pain originates
B、Local surface anesthesia could nor reduce the intense of referred pain.
C、Local surface anesthesia reduce the intense of referred pain.
D、The "pain gate" in the dorsal horn cell of the spinal cord.
E、Convergent and divergent links between the neurons in afferent pathway.
A、electronic conduction
B、local potential on the sensory receptor.
C、all or none.
D、summation
E、is generator potential
A、nearsightness (myopia)
B、farsightness
C、astigmatism
D、oldsightness (presbyopia)
E、cataract
A、the visual area seen by an eye at a given instant.
B、The area of the vision field is dependent on the color, white have the biggest field, and green has the smallest.
C、nasal field vision is bigger than that of temporal.
D、the difference of the vision field of different colurs is not casued by the distribution of cones in retina.
E、vision field is helpful for diagnosis of the disease in optic nerve, visual pathway and retina.
A、cornea
B、crystalline lens
C、vitreous humor
D、aqueous humor
E、retina
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