نتایج جستجو برای: danger zone
تعداد نتایج: 125344 فیلتر نتایج به سال:
Introduction; controlling noise pollution in an indoor environment has always been faced with administrative and financial constraints. Prioritizing in a scientific manner is a useful approach in dealing with such problems. The aim of the present study was to determine the noise control prioritizing index (NCPI) in various units from a tire manufacturing company. Methods; the sound pre...
Physical exam alone is often insufficient to determine whether or not cellulitis is accompanied by an abscess. Bedside ultrasound can be a valuable tool in ruling out suspected abscess by allowing direct visualization of a fluid collection. The proximity of the infection to adjacent structures can also be determined, thus aiding clinical decision making. Patients with cellulitis near the eye an...
OBJECTIVES/HYPOTHESIS To contrast the changes in measurement of the hypoglossal/lingual artery neurovascular bundle (HLNVB) to constant surface landmarks in the base of tongue (BOT) during surgically simulated retraction versus resting anatomic position, and to identify a safe zone for BOT robotic surgery to avoid injury to the HLNVB. STUDY DESIGN Human cadaver study. METHODS Five fresh-fro...
To improve the detection of the economic ”danger zones” from which severe banking crises emanate, this paper introduces classification tree ensembles to the banking crisis forecasting literature. I show that their out-of-sample performance in forecasting binary banking crisis indicators surpasses current best-practice early warning systems based on logit models by a substantial margin. I obtain...
چکیده: برش مورد مطالعه در 15 کیلومتری جاده ایلام به سمت مهران در منطقه ای تحت عنوان تنگ گراب قرار دارد. سازند گورپی متشکل از سنگهای نرم و تیره رنگ و لیتولوژی نرم بر روی سازند ایلام با سنگهای آهکی سخت و به رنگ سفید و نخودی قرار دارد. در این مطالعه تعداد 51 گونه متعلق به 23 جنس از فرامینیفرهای پلانکتونیک شناسایی و محدوده ی حضور آنها در برش مورد مطالعه تعیین شد. بر این اساس این سازند به 12 بایوزو...
The workplace is a key setting where gender issues and organizational structures may influence occupational health and safety practices. The enactment of dominant norms of masculinity in high risk occupations can be particularly problematic, as it exposes men to significant risks for injuries and fatalities. To encourage multi-disciplinary collaborations and advance knowledge in the intersectin...
The erosion is one of the waster factors of land sources. Understanding of erosion danger provides possibility of identifying critical regions and priority of administrative and protective plans. The aim of this research is providing of soil Endanger map by GIS, RS and multi criteria division systems in Doab basin of Lorestan province. For purpose, data of 8 important factors in soil erosion in...
An innovative study of Wikipedia biographical pages is presented. It is shown that the dates of some historical cataclysms may be reproduced from peculiarities of lifespan changes over time. Time dependence of number of biographical pages related to a year has a broken linear trend in logarithmic scale. It shows a sudden change of the slope from 0.0006 to 0.008 per year near 1700 AC. Presumably...
Several years ago, my buddy Steve died in an avalanche. It was a stormy day and the avalanche danger was high, but Steve and his partners felt that by choosing a familiar route and carefully managing their exposure, they could stay out of trouble. After all, they were experienced backcountry skiers with avalanche training. Steve, the most skilled of the group, had just visited the area less tha...
Santiago is one of the most polluted capitals in the world. It has been declared saturated by O3, CO, total particles in suspension and breathable particles. It is also a latent danger zone on NO2 levels. These are produced by incomplete fossil fuel combustion and a poor air renewal due to geographic characteristics. In addition, Santiago is a heavy traffic city with a poor infrastructure that ...
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