background: energy expenditure is of paramount importance in the assessment of usefulness of wheelchair for paraplegics. despite widespread recognition of problems associated with currently available mobility systems for persons with spinal cord injuries, development of more efficient systems has been slow.  lack of a suitable and simple technique for the assessment of energy expenditure in par...

b-carboline alkaloids such as harmaline and nicotine are naturally present in the human food chain. plants which contain b-caroline have anxiety and hallucinogenic effects. in this study the change in like – anxiety behaviors was investigated after intra- amygdala injections of nicotine and harmaline and intra action of them in male rat. different doses of harmaline, nicotine and its compounds ...

twenty accessions of cultivated grass pea (lathyrus sativus l.) and wild species of lathyrus l.collected from western and southern regions of iran were evaluated for their mitotic metaphase chromosomalcharacteristics. all populations comprising 16 populations of cultivated l. sativus and 4 wild populations oflathyrus l. were diploid, 2n=2x=14 chromosomes. there were significant variations among...

This paper presents the design assumptions, 3D model, electronics, control and actual implementation of a programmable model an industrial robotic arm used to transport parts with small masses. The communicates via Wi-Fi, has user interface, keyboard alphanumeric display. necessary calculations were made for torques arm's drives used, its mechanical electronics schematic are presented. Tests ve...