نتایج جستجو برای: stand

تعداد نتایج: 37159  

Journal: :research in cardiovascular medicine 0
mohammad vahid jorat shiraz cardiovascular research center, shiraz university of medical sciences, shiraz, ir iran mohammad hosein nikoo shiraz cardiovascular research center, shiraz university of medical sciences, shiraz, ir iran aida yousefi shiraz cardiovascular research center, shiraz university of medical sciences, shiraz, ir iran; shiraz cardiovascular research center, shiraz university of medical sciences, shiraz, ir iran. tel: +98-9177125528, fax: +98-7136125609

introduction atrial standstill is a rare condition, characterized by absence of atrial electrical and mechanical activity evident in surface electrocardiography echocardiography, or fluoroscopy, which is associated with unresponsiveness of atria to maximal output electrical stimulation. this condition can be present with thromboembolic complication, low cardiac output, and sometimes palpitation...

Journal: :تحقیقات مهندسی کشاورزی 0
اردشیر اسدی عضو هیئت علمی بخش تحقیقات فنی و مهندسی کشاورزی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان اورنگ تاکی عضو هیئت علمی بخش تحقیقات فنی و مهندسی کشاورزی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان مختار میران زاده کارشناس بخش تحقیقات فنی و مهندسی کشاورزی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان حمیدرضا قزوینی کارشناس بخش تحقیقات فنی و مهندسی کشاورزی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان

stand establishment in crusting soil is one of the main concerns in the production of crops with delicate seedlings such as cotton, onions and rape seed. crust breaking, maintaining soil moisture and adding chemical and organic amendments to soil are different methods to weaken soil strength and allow the shoots to emerge. these methods are not always successful because they depend on factors s...

In the Shafaroud forest, logging operation is generally performed by using selective cutting methods. Chainsaw and cable skidder are two main forest machines for harvesting of this forest. However, forest harvesting operations result in serious residual stand damage during felling, winching and skidding operations in this forest. Residual stand damage resulting from selective cutting was asses...

2009
B. KOCH

A literature review of new publications in the field of 3D data for forest applications shows that the application of airborne laser scanner data (ALS) is in the focus of research today due to its great potential for practical applications. While there is a lot of research carried out to derive forest management parameters based on laser metrics deduced from a single tree assessment or a statis...

A Haeri

While earth is becoming a smaller village every day, the rapid population growth and ageing is impeding obvious shifting pattern of disease which in turn is inflecting great economic burden required for fast growing health expenditure particularly in the developing world whose suffering from this particular issue is turning into an inflated almost non-curable disease. The major world population...

AM Al-Bedah

In the past 10 years evidence - based medicine (EBM) has developed well in all aspects of allopathic medicine giving a new dimension to patient care including cost reduction and attention to medical ethics. With the public and medical community return to complementary and alternative medicine (CAM) in the last two decades there has been a call for evidence - based CAM … in the same way that all...

AM Al-Bedah

In the past 10 years evidence - based medicine (EBM) has developed well in all aspects of allopathic medicine giving a new dimension to patient care including cost reduction and attention to medical ethics. With the public and medical community return to complementary and alternative medicine (CAM) in the last two decades there has been a call for evidence - based CAM … in the same way that all...

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