نتایج جستجو برای: راکتور بافل دار abr

تعداد نتایج: 63400  

Journal: :The Journal of the Acoustical Society of America 2005
Elizabeth F Brittan-Powell Bernard Lohr D Caldwell Hahn Robert J Dooling

The auditory brainstem response (ABR), a measure of neural synchrony, was used to estimate auditory sensitivity in the eastern screech owl (Megascops asio). The typical screech owl ABR waveform showed two to three prominent peaks occurring within 5 ms of stimulus onset. As sound pressure levels increased, the ABR peak amplitude increased and latency decreased. With an increasing stimulus presen...

Journal: :Environmental science 2023

Low concentration of antibiotics within the environment are known to select for antibiotic resistance (ABR), a global health and economic threat. This manuscript presents framework assess ABR risk in soils where slurry or manure is applied.

1999
YIWEI THOMAS HOU NANYING YIN SHIVENDRA S. PANWAR

This paper considers fundamental performance issues of closed-loop tra c management for ABR service. ABR service is designed to utilize network resource e ciently by dynamically adjusting each connection's transmission rate. ABR ow control protocols attempt to achieve this objective by estimating available network bandwidth and convey this information to the source. However, it is not clear how...

Journal: :Ear and hearing 2006
Michael P Gorga Tiffany A Johnson Jan R Kaminski Kathryn L Beauchaine Cassie A Garner Stephen T Neely

DESIGN A retrospective medical record review of evoked potential and audiometric data were used to determine the accuracy with which click-evoked and tone burst-evoked auditory brain stem response (ABR) thresholds predict pure-tone audiometric thresholds. METHODS The medical records were reviewed of a consecutive group of patients who were referred for ABR testing for audiometric purposes ove...

بستر‌های پرشده دوار در بسیاری از فرایند‌های مهندسی شیمی از قبیل تقطیر، جذب، تهیه‌ی نانو ذرات، شیرین‌سازی گازترش و غیره استفاده می-شوند. آنالیز جریان سیال در این تجهیزات برای بدست آوردن اطلاعات هیدرودینامیکی و بررسی پدیده انتقال در آن‌ها لازم است. در این مقاله شبیه-سازی سه‌بعدی جریان‌های تک فازی و دو‌فازی درون بستر پرشده دوار با استفاده از دینامیک سیالات محاسباتی انجام می شود. اثر برخی پارامتر‌ه...

Journal: :Perform. Eval. 1997
Ian F. Akyildiz Jörg Liebeherr Ioanis Nikolaidis

The rate control mechanism for available-bit-rate (ABR) traffic as defined by the ATM Forum does not distinguish between different types of ABR connections. However, since ABR traffic may result from a heterogeneous set of applications, there is an apparent need for a flow control scheme that can distinguish between and give differential treatment to different classes of ABR connections. In thi...

2012
Guangwei Zhou Briana Dornan Wheaton Hinchion

Objectives. To review our experience of conducting auditory brainstem response (ABR) test on children in the operating room and discuss the benefits versus limitations of this practice. Methods. Retrospective review study conducted in a pediatric tertiary care facility. A total of 267 patients identified with usable data, including ABR results, medical and surgical notes, and follow-up evaluati...

Journal: :Journal of the American Academy of Audiology 2004
Yula Cherpelis Serpanos

Loudness growth prediction using normal templates of loudness derived with ABR and DPOAE measures was investigated in 20 children 4 to 12 years and 20 adults with normal hearing. An ABR click latency-intensity function (LIF), ABR 2 kHz tone LIF, and DPOAE 2 kHz amplitude-intensity function (AIF) were recorded from each listener. A loudness-intensity function was also measured for each electroph...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده مهندسی شیمی و پتروشیمی 1393

اکسید توریم به عنوان سوخت هسته ای اخیرا به دلایلی مورد توجه برخی کشورها از جمله ایران قرار گرفته است. از جمله این دلایل عبارت است از: کمبود منابع اورانیوم و مزایای سوخت توریم از قبیل فراوانی منابع توریم، فراوری آسان و ویژگی های ترموفیزیکی مناسب و غیره. از مهمترین ویژگی های خوب یک سوخت هسته ای بالا بودن ضریب هدایت، سطح ویژه و سینترپذیری می باشد. پارامترکلیدی تاثیرگذار بر این خواص ترموفیزیکی، اند...

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