نتایج جستجو برای: reference curve
تعداد نتایج: 394411 فیلتر نتایج به سال:
introduction: nowadays, considerable developments in the field of radiotherapy have been achieved. they include the advances made in the equipments and treatment planning techniques which require highly complex calculations. such achievements have made it possible to treat cancer patients not only with higher radiation dose but also with higher precision and con...
IT is intuitively obvious that if a simple continuous curve is given in the (x, 2/)-plane, and a continuous distribution of values along the curve, there will exist functions of x and y which are continuous in both variables together, and which take on the prescribed values along the curve. It is the purpose of the present note to give an analytic proof of this fact, by elementary means, and, i...
We present the development of a novel method for the automatic determination of a spatial spine curve based on the measured 3D shape of the human back (automatic curve) with the 3D laser profilometer. The measuring system is based on a line laser triangulation, its measuring range at the distance of 1 m is 300×700×500 mm, the measurement takes about 10 seconds and the single point measurement a...
OBJECTIVE To use Z-scores to compare different charts of femur length (FL) applied to our population with the aim of identifying the most appropriate chart. METHODS A retrospective study was conducted in Beijing. Fifteen hospitals in Beijing were chosen as clusters using a systemic cluster sampling method, in which 15,194 pregnant women delivered from June 20th to November 30th, 2013. The mea...
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