"Upper limits of normal" antistreptolysin O (ASO) and antideoxyribonuclease (ADN) B titers were determined on serum specimens from various age groups of pediatric patients with no history of a recent streptococcal infection and on healthy adult hospital employees. The upper limit of normal value is that level of antibody titer exceeded by no more than 15% of the total subjects in each age group...

PURPOSE To quantify the current accuracy limits, analyze the residual errors, and propose the next steps for prediction accuracy improvements. SETTING Eye hospitals in Germany, Denmark, and Austria. METHOD Numerical ray tracing using manufacturer's intraocular lens (IOL) data (vertex radii, central thickness, refractive index) was used for all calculations. Postoperative lens position was p...

The accelerating gradient is one of the crucial parameters affecting the design, construction and cost of nextgeneration linear accelerators. For a specified final energy, the gradient sets the accelerator length, and for a given accelerating structure and pulse repetition rate, it determines power consumption. In this paper experimental results and problems related to breakdown damage, pulsed ...

Measurement of colour discrimination loss is particularly important in demanding visual tasks where colour is used to enhance visual performance. Ideally, colour vision assessment requires a test that (I). provides true isolation of colour signals, (II). is based on data that describe the statistical limits of colour discrimination in “normal” trichromats, (III). has enough sensitivity to detec...

Introduction: The aim of this study was to investigate weight gain during pregnancy and birth weight in rural regions of Tabriz, a province in the northwest of Iran. Materials & Methods: A cross-sectional study was conducted using routinely collected data of pregnant mothers from rural health centers. Eight health centers were randomly selected in rural areas of Tabriz. Totally, 874 women aged...

The problem of deriving an upper tolerance limit for a ratio of two normally distributed random variables is addressed, when the random variables follow a bivariate normal distribution, or when they are independent normal. The derivation uses the fact that an upper tolerance limit for a random variable can be derived from a lower confidence limit for the cumulative distribution function (cdf) o...

We study the largely unexplored transition between coherent and noise-seeded incoherent continuum generation in all-normal dispersion (ANDi) fibers and show that highly coherent supercontinua with spectral bandwidths of one octave can be generated with long pump pulses of up to 1.5 ps duration, corresponding to soliton orders of up to N 600. In terms of N , this corresponds to an approximately ...