Belt drives - pulleys and v - ribbed belts for industrial applications - ph , pj , pk , pl and pm profiles - dimensions 皮带传动.工业用皮带轮和v型加肋皮带. ph pj pk pl和pm型面.尺寸
Clinical report of traction therapy for lumbar disc prolapse with pj pelvic traction rack and half weight at elevation 自制骨盆牵引架半体重仰角牵引疗法治疗腰椎间盘突出症疗效观察
How are you , if did i order " pj , cd " on the net , can receive after having another long time ? how much is the postage 您好,如果我在网上订购了“ pj , cd ” ,多长时间后可以收到?邮费是多少?
Belt drives . v ribbed belts . dynamic test methods for pj and ph profiles for industrial applications specific to domestic appliances 皮带传动. v型加筋皮带.工业用pj和ph型材的动力试验方法
Defintion we say that a job is small with repect to an interval ix if its processing time pj < ix , otherwise large 人;则称工件j为小工件,否则称为大工件。设工件有l个至达日间, r工; , r工, … ; r工
Frinking pj , bouakaz a , kirkhorn j , et al . ultrasound contrast imaging : current and new potential methods j . ultrasound med biol . 2000 , 26 : 965975 左松,刘政.新型超声造影剂和成像方法在肝脏疾病中的应用j .医学影像学杂志, 2002 , 12 ( 1 ) : 5758
After induced by 0 . 1 m iptg , the pellet was resuspended in phosphate - buffered saline ( pbs ) / 5 mm edta , and sonicated three times for 20 s at maximal output 上清液过blue一sepharose6b柱,进行一步亲和层析,得到纯化的rta和pj人~ kdel重组蛋白。
The inlet pressure is one of the important factors for influencing the performance of vortex tube . the separation of hot and cold is not very obvious at pj = 0 . 20mpa 25 k以及一直到060mpa过程中,随着入口压力的升高,涡流管能量分离非常显著;比如,在n 44