نتایج جستجو برای: 6 and 48 days
تعداد نتایج: 16984811 فیلتر نتایج به سال:
objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...
INTRODUCTION Mortality occurring as a consequence of hip fracture in older patients is very high. Mortality is highest in the first few months after the injury, and this rate is kept at a high level within the first six months postoperatively. Current guidelines indicate that surgery should be performed within 48 hours of injury because early surgery is associated with lower rates of perioperat...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...
I n their 1978 paper “Problems in harmonic analysis related to curvature” [SteinWainger78], E. M. Stein and S. Wainger studied a variety of operators defined over hypersurfaces and other lower-dimensional submanifolds of Rd . The recurring theme is that the behavior of these operators is governed, to various degrees, by the Gaussian curvature of the underlying manifold— the determinant of the d...
AIM To investigate the effects of prolonging hang time of total parenteral nutrition (TPN) fluid on central line-associated blood stream infection (CLABSI), TPN-related cost and nursing workload. METHODS A before-after observational study comparing the practice of hanging TPN bags for 48 h (6 February 2009-5 February 2010) versus 24 h (6 February 2008-5 February 2009) in a tertiary neonatal i...
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