In the precast structures, optimization of structural elements is of great interest mainly due to a more rationalized way that elements are produced. There are several elements of precast prestressed concrete that are objects of study in optimization processes, as the prestressed joist applied in buildings slabs. This article inquires into cost minimization of continuous and simply supported sl...

â  â  love and affection from jibran's point of view â  â  â  sadegh fathi dehkordi * â  â  abstract â  from the view point of jibran khalil jibran, affection is the law of life and the base of all things in the world. affection is one of the manifestations of god and it is a light extracted from other lights. real affection is endless .the human being cannot learn affection because it is ...

In the paper, a modular climbing-wall mobile robot with four magnetic wheels is presented. It can move on the vertical steel wall and inspect the weld seam. First, the structure of the mobile robot is analyzed. It is modular, which consists of a light manipulator module, an ultrasonic probes module and a weld testing sensors module. Then, the magnetic wheels are designed and analysed. One magne...

stylistics is one of the branches of literary criticism benefiting from linguistics and rhetoric to analyze the text and emphasizes on three essential elements namely text, writer and addressee in literary and critical examination of the work. an’ã¢m (the cattles) surah is a the long surah of koran indicating mainly three columns of islamic ideology and all the vocabulary and artistic images ...

in order to determine iron and lead content of seminal plasma in water buffalo and to study their associations with the semen characteristics, 54 semen samples were collected from 10 buffalo bulls. the semen characteristics were evaluated; its iron and lead content were estimated by atomic absorption spectrophotometer. the iron and lead content of the seminal plasma (mean ± sem) was recorded as...

microspore culture was applied to induce embryogenesis in roses (rosa hybrida) cv. hav1. important factors affecting viability of isolated microspores and formation of multi-cellular structures including isolation media (nln, ab, b) and induction media were studied. the most responsive developmental stage of microspores (late unicellular) was determined using dapi staining. the least infection ...

molecular detection techniques are believed to be key tools for both prevention and treatment follow up of brucellosis within live stock and human beings. consequently rapid, reliable, easy to perform and automated systems for brucella detection are urgently needed to allow early diagnosis and adequate antibiotic therapy in time. brucellosis is a worldwide re-emerging zoonosis causing high econ...

abstract background and objective: according to the issue of dependence and tolerance in addicted patients, the inefficiency of existing treatments and the new recommendation for drug combination therapy for diseases in modern pharmacology, the present study examined the effect of methadone and valproate combination on morphine dependence and tolerance. materials and methods: ninety-eight male ...