introduction: narcotic drug abuse and illicit use of drugs is a major, complicated multifactorial phenomenon affecting most of the societies today. incidence of drug abuse among adolescents is very high. adolescents become addicted to substances more quickly than adults. the aim of this study was to assess the pattern of drug abuse among male adolescents in hamadan. methods: this study was a de...

abstract   background: patients with addictions have many acute and chronic medical illnesses, both related and unrelated to their addictions. in spite of high incidence of substance-related disabilities, substance abuse is usually underdiagnosed in general hospitals. the objective of the present study was to investigate the frequency and pattern of substance use in patients with different medi...

introduction: esophagus cancer is most common gi malignancies in zahedan. this investigation was undertaken to define the epidemiology, and prognostic factors relevant to patients withesophagus cancer in this region. methods : we did a retrospective review of 175 patientswith esophagus cancer who presented to ali ebne abitaleb hospital and khatam alanbia hospitalin 2005-2010. data analysis was ...

Standard cultivation fails to grow most microorganisms, whereas in situ cultivation allows for the isolation of comparatively diverse and novel microorganisms. Information on similarities and differences in the physiological properties of isolates obtained from in situ cultivation and standard cultivation is limited. Therefore, we used the arctic sediment samples and compared two culture collec...

on of the most important of sugar beets quality is amount of sodium and potassium, because this compounds are strongly molassogenic and reduction of yield. so , attention on reasons that change this compound in sugar beets and consequently in produced juice are very important. in this study, effect of size of sugar beet (obtained from different areas) on changes of sodium and potassium are inve...

nitrogen use efficiency and life cycle of root nodules in alfalfa after different mineral fertilization and soil cultivation practices were studied. field trial was conducted in the institute of forage crops, pleven, bulgaria on leached chernozem subsoil type and no irrigation. the next treatments were tested: i) for fertilization as follows: n0p0k0 (control); n60p100k80 (an accepted technology...

abstract background: infants’ feeding is one of the critical periods in women’s health that can influence their life. the purpose of this study was to investigate the relationship between infants’ feeding patterns and mothers’ physical and psychological dimensions of quality of life. materials and methods: in this cross-sectional study, 189 mothers were selected by convenience sampling (n = 63 ...

System of Rice Intensification (SRI) paddy was introduced to offset the heavy cost of Traditional paddy cultivation. To decrease the cost of cultivation in Traditional paddy, to increase profits of the farmers in rice cultivation by decreasing the use of fertilizers, pesticides and minimizing water use by scientific water management in the face of labour scarcity, SRI paddy was introduced in Ma...

The effects of drip irrigation and different cultivation methods on seedgermination and growth of Puccinellia tenuiflora in saline-sodic soils wereinvestigated in field experiments during 2008-2010 in the Songnen Plain, China.Drip irrigation was applied to waste saline-sodic P. tenuiflora grasslands for bothflat and ridge cultivation methods. Drip irrigation affected the distributions ofelectri...