background: the lori-bakhtiari sheep breed is one of the most common native breed in the south-western parts of iran. the peri-parturition period (2 weeks before to, 2 weeks after parturition), is generally of critical importance regarding the health, production and profitability of the ewes. objectives: this study was carried out to compare the serum concentrations of glucose, non-esterified f...

Wood, acting as a construction material, has been utilized by humans since the beginning of times. The early human-made machines were made entirely from wood. With time, technical progress gradually displaced wood machine design and construction. However, despite passage due to low cost availability wood, elements in quickly worn out parts still Sliding bearing shells or replaceable gear teeth ...

one of the major problems facing the aircraft industry is the machining of the engine parts. amongst the numerous parts in a jet engine are intricate parts made of special alloys for high temperature service, namely nickel,chromium and titanium alloys. these alloys are usually very difficult to machine, which creates problems in this respect. the necessity of quality control in each stage of pr...

In this paper, product parts and machine agents are proposed for the configuration of an autonomous flexible assembly system. Product parts are divided into two types. One is the main part that is a base of the assembled product and the other is for sub parts that are installed on the main part. These parts and assembly machines are implemented as software agents in a virtual assembly productio...