This Graph theory has an enormous number of applications because through them, we may model different complex problems such as road and crossroad placement, electricity network computer objects with public preeminence, etc. Deriving from the chaos that appears in capital city, particularly front Clinic University or preeminent objects, decided to give a mathematical solution these problems. Oft...

sturgeons in the caspian sea due to its unique characteristics in terms of economic and social in caspian countries have a high economic value at the national and even international levels. persian sturgeon (acipenser persicus) is considered one of the most valuable caspian sea fishes in terms of restocking, caviar and meat production. nowadays, the possibility of persian sturgeon proliferation...

A study was carried out to assess the efficacy and the economic profit of prophylactic treatment against Isopsora suis with toltrazuril or with a sulfamethazine/trimethoprim combination in piglets from an intensive pig farm. Thirty-one litters were included in study. Eight litters were treated once with toltrazuril (20 mg/kg b.w.) at 3 days of age (Toltra group); 8 litters were treated with 2 m...

Spatial regression relationships typically specify the structure of spatial relationships among observations using a fixed n by n weight matrix, where n denotes the number of observations. For computational convenience, this weight matrix is usually assumed to represent fixed sample information, making inferences conditional on the particular spatial structure embodied in the weight matrix used...