ground water and surface water create a range of problems in lignite mining utilizing surface mining methods. in order to create a safe and economic mining environment, it is essential to carry out mining after dewatering the rock mass surrounding the lignite mines by advance dewatering techniques. this paper briefly describes the ground water regimes including pressure gradients associated wit...

background endotracheal suctioning is a necessary procedure practiced by nurses in intensive care units to remove lung secretions. this procedure leads to higher oxygenation levels and reduced breathing difficulties. it also prevents atelectasis, pulmonary infections, and the accumulation of secretions. objectives the present study aims to compare the effectiveness of open and closed endotrache...

introduction : open rhinoplasty is very common now a days and the number of candidate for this type of surgery are increasing. this research was conducted regarding to the prevalence of rhinoplasty surgery , the importance of the residual scar analyze including columellar scar after surgery, different results caused by the effect of incision type in this surgery and lack of enough data and expe...

in general, sexual behavior shapes in the depth of society and culture and social and cultural expectations influence to a great extent. also sexual relations in iran, take place outside of marriage with different reasons and in different forms. some evidences imply an increasing trend of this style of life among young people, accordingly, this study wants to analyze this phenomenon and achieve...

this study evaluated the effects of inhalation of lavender essential oil on the pain of open-heart surgery. the main complaint of patients after open-heart surgery is chest pain. due to the side effects of opioids, it is important to use a non-invasive way to effectively relieve pain including aromatherapy with analgesics. this study is a clinical single-blind trial. the study was conducted on ...

background: glaucomatous neuropathy is a type of cell death due to apoptosis. the p53 gene is one of the regulatory genes of apoptosis. recently, the association between the p53 gene encoding for proline at codon 72 and primary open-angle glaucoma (poag) has been studied in some ethnic groups. this study is the first association analysis of poag and p53 codon 72 polymorphism in iranian patients...

this paper presents the effect of high environmental heat on behavior of the male charles foster rats. eighty rats were divided into three groups, subjected to (i) acute heat stress (ii) chronic heat stress and (iii) handling control group. animals were exposed to the hot environment in a biological oxygen demand incubator at 38 ± 1ºc (relative humidity 45-50%) for four hours of continuous sing...

this case report describes treatment of a necrotic immature permanent mandibular first molar with pulpal necrosis in 9-year old female with spondyloepiphyseal dysplasia. the coronal half of the root canal was debrided with a file #30 to remove necrotic tissue, and irrigated with chlorhexidine 0.12%. bleeding was evoked to form an intracanal blood clot; the wound was then dressed with calcium hy...