Background. Referees are an integral part of every handball match which is considered a high-intensity activity and they need to follow the action as close as possible to avoid mistakes in their decisions. Objectives. This research aimed to determine the physiological loads of referees during handball matches and whether a higher physiological load during the match has a significant effect on ...

We use the photopigment template of Baylor et al. (1987) to define the set of Rayleigh matches that would be satisfied by a photopigment having a given wavelength of peak sensitivity (lambda(max)) and a given optical density (OD). For an observer with two photopigments in the region of the Rayleigh primaries, the observer's unique match is defined by the intersection of the sets of matches that...

This paper discusses a cryptographic protocol to evaluate an and-gate such that a party can keep his input bit secret from the other party. Such a protocol is of interest, because it can be generalized to any logical circuit for any number of participants. A formal statement of this generalization reads as follows: n participants want to compute together a function f(x1; x2; :::; xn) with xi be...

An algorithm is suggested for implementation of unlimited primaries in two-constants Kubelka-Munk color matching attempt. Allens method for tristimulus color matching which was limited to four colorants in two constant theory, dealt with inversable matrices. By application of the pseudo-inverse, it is not necessary to limit the number of primary colors to four as Allen suggested. The suggested ...

On August 18 and 19, 1980, at Stanford University during the AAAI conference, the first of a projected pair of annual chess competitions pitting the world’s best computer programs against rated human players of approximately the same strength was held. These matches are part of the Fredkin prize competition, wherein a sum of $100,000, established by the Fredkin Foundation of Cambridge, Mass , i...

escherichia coli (e. coli) is a normal inhabitant of the gastrointestinal tract of vertebrates, including humans. phylogenetic analysis has shown that e. coli is composed of four main phylogenetic groups (a, b1, b2 and d). group a and b1 are generally associated with commensals, whereas group b2 is associated with extra-intestinal pathotypes. most enteropathogenic isolates, however, are assigne...

background: the emergence and propagation of different phylogenetic groups of antimicrobial-resistant e. coli have become a worldwide health concern in human and veterinary medicine. therefore, the evaluation of the phylogenetic distribution of antibiotic-resistant e. coli is important for therapeutic and economic purposes. the aims of this study were to determine phylogenetic groups and patter...

cation exchange capacity (cec) is one of the main factors in monitoring and management of soil quality in order to achieve sustainable production. although cec can be measured directly, these measurements are difficult, time-consuming and costly, especially for aridisols. one alternative method is the use of pedotransfer functions (ptf), in which cec of soils is estimated through available soil...