abstract background: we aimed to evaluate an approach to induced abortions during early pregnancies that controls the suction pressure and restricts the duration of the procedure. methods: three hundred patients programmed for induced early pregnancy abortions, hospitalized in the shandong provincial maternity & child care hospital from october 2013 to october 2015, were enrolled. patients were...

The present work is an attempt to model, analyze, and control the flow at the base of an abruptly expanded circular duct by using design of experiments (DOE) and response surface methodology (RSM). Tiny-jets in the form of orifice were positioned at an interval of 900, 6.5 mm from the primary axis of the main jet of the nozzle. Experiments were conducted to measure two responses namely, base pr...

background: tension and stress are among the factors that lead to hypertension. in most individuals, behavioral strategies, such as relaxation and massage, are effective in controlling the individuals’ response to stress, thus reducing hypertension. methods: this non-blind clinical trial was conducted on 90 patients with primary hypertension. the patients were randomly divided into a control an...