نتایج جستجو برای: disc harrows

تعداد نتایج: 45122  

Journal: :IOP conference series 2022

Abstract A field experiment was conducted to grow the wheat crop during fall season 2020 in Karbala province, north of Ain Al-Tamr District two locations different textures and parent materials. The first site (calcareous soil) with a sandy loam texture, is located at (44° 40′ 37′) east longitude (32° 41′ 34′) latitude, an altitude 32 m above sea level, area 20 hectares. As for second location ...

Journal: :Agrobìologìâ 2023

Three-year (2020–2022) research at the experimental field of Bila Tserkva National Agrarian University, make it possible to calculate economic and energy efficiency recommend a differentiated system main tillage on typical deep, low-humus medium-loamy chernozems Right Bank Forest-Steppe Ukraine in five-field specialized (cereal) crop rotation, which involves deep plowing only for row crops, win...

Journal: :Sustainability 2021

Conventional seedbed preparation is based on deep ploughing followed by lighter and finer secondary tillage of the superficial layer, normally performed machines powered tractor’s Power Take-Off (PTO), which prepares in a single pass. Conservation methods are wide range interventions, such as minimum or no-tillage, means with passive action working tools require two more passes The aim this stu...

Journal: :iranian journal of neuro surgery 0
علی باباشاهی ali babashahi iran university of medical sciences, rasool-e akram hospital, tehran, iranتهران، بیمارستان رسول اکرم مرتضی طاهری morteza taheri iran university of medical sciences, rasool-e akram hospital, tehran, iranتهران، بیمارستان رسول اکرم

background & importance: disc herniation is defined as the prolapsed of material disc into the spinal canal. if the disc fragment is free in spinal canal, it is called sequestration disc fragment. occasionally, alteration in sequestration disc fragment makes the diagnosis of the disc herniation, challenging. case presentation: we reviewed a rare case of the cervical sequestrated disc herniation...

Journal: :the archives of bone and joint surgery 0
babak mirzashahi joint research center, imam khomeini hospital, tehran university of medical sciences, tehran, iran abbas tafakhori tehran university of medical sciences, tehran, iran arvin najafi joint research center, imam khomeini hospital, tehran university of medical sciences, tehran, iran mahmoud farzan joint research center, imam khomeini hospital, tehran university of medical sciences, tehran, iran

even though intervertebral disc degeneration can be found in the natural course of alkaptonuria, detection of the disease by black disc color change in a patient without any other presentation of alkaptonuria is an exceptionally rare condition. we have reported a very rare case of alkaptonuria presented with low back pain and steppage gait in a 51-year-old male with a complaint of chronic low-b...

Journal: : 2021

The purpose of the research is to investigate quality spring-finger harrow surface tillage provoke germination carrion depending on angle fingers. Research methods: theoretical – analysis information resources and results spring harrows; laboratory-field economic tests machine with planning experiment, fixing agrotechnical indicators; instrumental measurements; mathematical statistical processi...

Journal: :medical journal of islamic republic of iran 0
fariborz samini department of neurosurgery, ghaem medical center,mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) gholamreza bahadorkhan mashhad medical university, mashhad, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) mohammad reza ehsaei mashhad medical university, mashhad, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) hamed kheradmand mashhad medical university, mashhad, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

abstract   background: far lateral discal herniation is an uncommon disorder and is difficult to assess by physical examination alone. this study is designed to define clinical and epidemiological findings and to establish the indications of surgical and medical treatment for flldh.   methods: between 2000 and 2005, a total of 2035 patients with lumbar disc herniation underwent surgical discect...

Journal: :iranian red crescent medical journal 0
fariborz samini department of neurosurgery, trauma research center, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran mohammad gharedaghi department of neurosurgery, trauma research center, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran mahdi khajavi faculty of medicine, mashhad university of medical sciences, mashhad, ir iran mohammad samini research center of orthopedic, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran; research center of orthopedic, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran. tel: +98-9151111343, fax: +98-5118012613

conclusions in this study, we found that in spite of previous beliefs, discopathies were not common etiologies of lbp. thus, even in patients with proven ldh by imaging studies, the physician should perform a thorough evaluation for other causes of lbp to avoid unnecessary lumbar surgeries. results in our study, among 1250 patients with proven ldh by mri, 500 patients (40%) had chronic lbp and ...

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