collateralized mortgage obligations are derivatives securities based on mortgage loans which issued in different maturities, interest rates and credit ratings. in iran attention to decision authorities for the first time allowed iran melli bank and maskan bank to issue this kind of securities. one of the main questions in issuing this kind of securities is maximizing the issuer profit by choosi...

Purpose: This study investigates the effect of lean implementation on production cost reduction and moderating role manufacturing maturity.Design/methodology/approach: employed a cross-sectional survey, which samples were drawn using cluster sampling procedure from 151 middle top-level management medium large companies gathered Federation Manufacturers Malaysia (FMM). Data analyzed PLS-SEM appr...

Background: Nicotine is considered as one of the most agents in cigarette smoking and has side effects on many organs and body systems such as reproductive tract. Nicotine can induce sub fertility or infertility both in males and females. The aim of this study was to evaluate the proliferative activity of adult mouse male germ cells following treatment with different doses of nicotine. Material...

Objectives: The aim of the present study was to evaluate protective effect of royal jelly on sperm parameters, testosterone level, and malondialdehyde (MDA) production in mice. Materials and Methods: Thirty-two adult male NMRI mice weighing 30±2 g were used. All the animals were divided into 4 groups. Control group: received saline 0.1 ml/mouse/day orally for 30 days. Royal Jelly group (RJ): re...

visual sciences have been progressing quickly in recent decades through globalization phenomenon. an enormous change has taken place in ocular health issues, however, there are various problems facing ophthalmic public health worldwide. in the previous years, the world health organization and the international agency for the prevention of blindness in partnership launched the global initiative ...