the in-situ method of synthesis has been used to isolate oxovanadium(iv) complexes with ligands derived by reaction of benzil with amino acids such as glycine, alanine, serine, cysteine and valine, where template effect of vo +2 cation appears to play an important role. the complexes are characterised by elemental analysis, magnetic moment measurements and spectral (infrared, electronic and ele...

هدف: هدف از پژوهش حاضر، شناسایی مؤلفه‌های آزردگی‌های روانی انتقال‌یافته والدین به فرزندان، مبتنی بر مرور زندگی بود. روش: حاضر لحاظ روش‌شناسی نوع کیفی و روش نظریه داده بنیاد ‏و طریق نمونه‌گیری هدفمند نظری صورت گرفته است. جامعة موردپژوهش بین (پدر یا مادر) 35 تا 50 سال دارای فرزند نوجوان (دختر پسر در بازة سنی 13 18 سال) شهر تهران انتخاب شدند که به‌صورت داوطلبانه مصاحبه حضور پیدا کردند. با استفاده ...

a simple, selective and sensitive method for the determination of trace amount of titanium (iv) based on its catalytic effect on methylene blue- ascorbic acid redox reaction has been reported. the reaction was followed spectrophotometrically by measuring the change in absorbance of methylene blue at 665 nm, 5 minutes after the initiation of the reaction. in this study experimental parameters we...

background and aims: students experience some degrees of mental disorders during their life. therefore, the present study was conducted to determine the prevalence and risk factors of mental disorders among the secondary school students in ilam, iran. methods: this is a cross sectional study, carried out among the secondary school students in ilam, iran. we assessed 841 students including 446 m...

nicotine is one the chemical substance with high level of toxically. it crosses the placenta and accumulates in the developing organs of fetus. our previous investigations indicated that collagen type iv plays a key role in basement membrane of various embryonic organs. in this study we evaluated the effect of maternal nicotine exposure pre and postnatal period on collagen iv expression during ...

iv therapy is an important option in incapable patients’ treatment. in this paper, we discuss about: a) for best control of them, we must know about what materials are in these drugs? b) for what reason they are use? c) what errors may be happen in use of them? amount of iv fluids must be accommodating with loss of fluids. firstly, we review amount of main body fluids. main part of our body wei...

regarding the increasing numbers of iv drug addicts, the incidence of infected pseudoaneurysm is increasing. so far, different therapeutic strategies have been tried, but each method has its own drawbacks. therefore, discovering an appropriate therapeutic method is necessary. 65 patients with infected pseudoaneurysm due to drug injection referred to shohada medical center from feb 1994 till oct...