نتایج جستجو برای: grade control structure
تعداد نتایج: 2861519 فیلتر نتایج به سال:
purpose the aim of this study was to examine the influence of selected exercises on motor development in elementary school third grade girl students in ahwaz city, iran. methods the present study was semi–experimental, performed as field and using experimental and control groups. the statistical population included all third grade girl students of elementary schools of ahvaz city (10,500 subjec...
Background. The importance of physical activity (PA) for maintaining and improving health status increases with each passing day. Objectives. The present study aimed to examine the effects of PA and nutritional education programs applied to 12th-grade students on body mass index (BMI), PA level, and eating habits during the COVID-19 pandemic. Methods. One hundred fifty-nine 12th grade student...
An assessment of maximum scour depth downstream of grade control structure is essential for its proper planning, design and management. Most of the scour depth prediction formulae available in the literature have been developed based on the analysis of the laboratory/field data using the statistical method such as the regression method (RM). The alternative recent approaches such as artificial ...
background & aim: the most common primary brain tumors of the central nervous system are gliomas. among a number of different biomolecular events, a strong relation between oxidative stress pathways and the development of this cancer has been proved. oxidative stress (os) is the consequence of an imbalance between pro-oxidants and antioxidants towards pro-oxidants. the pro-oxidants cause lipid ...
background: in recent years, neoadjuvant chemoradiation and subsequent surgical resection with total mesorectal excision has been shown to increase local control with decreased toxicity. neoadjuvant chemoradiotherapy is the standard treatment for locally advanced rectal cancer. in this study we evaluated the efficacy a cox-2 inhibitor on pathologic response, sphincter preservation and acute tox...
germinal matrix-intraventricular hemorrhage (ivh) is the most common variety of neonatal intracranial hemorrhage and is characteristics of the premature infant. the importance of the lesion relates not only to its high incidence but to their attendant complications (ic: hydrocephalus). brain sonography is the procedure of choice in diagnosis of germinal matrix- intraventricular hemorrhage and h...
The objective of this study was to determine the effectiveness of topical administration of honey in prevention of or reduction in post-surgical peritoneal adhesions in dog. The study was conducted on 18 adultfemale mixed-breed dogs with a mean ± SD weight of 20 ± 4.25 kg. A standardized surgical trauma (serosaltrauma model) was made in the dogs’ descending colon to induce adhesion formation. T...
Aims and Background: Prevention of bedsore is considered as a priority in acute and long-term care in intensive care units (ICU).This study aimed to determine the effect of olive oil on prevention of pressure ulcers in patients hospitalized in the ICU of Shahid Beheshti Hospital in Yasuj. Materials and Methods: In this double-blind randomized clinical trial 70 patients 18-74 years old were ...
In this paper, we introduce and analyze a new cut-off priority scheme which provides a better grade-of-service to handoff traffic while maintaining high throughput for the originating calls. A hysteresis control is used for additional robustness. The system model is found to have a general level dependent Quasi-Birthand-Death (QBD) structure. An efficient solution methodology is used taking ful...
in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...
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