Forcep curettage after anesthesia with propofol intravenous injection (observing group) and that with no method to relieve pain(control group).

应异丙酚静脉给药麻醉后(观察组)。与无任何镇痛方法(对照组)。

OBJECTIVE:To study the adsorption of disposable transfusion connective tube and infusion needle for single use only to nitroglycerin in intravenous injection via minipump.

研究微泵维持静脉注射时一次性液连接管和液针对硝酸甘油的吸附作。

The antipsychotic drug fluphenazine has a prolonged period of action when it is given by intramuscular injection, but not when it is given by intravenous injection.Suggest why this is the case.

抑制药氟奋乃定，采肌肉注射的话会有一段延迟的反应期，但是采静脉注射却没有，说明为什么会出现这种情况。