نتایج جستجو برای: pre separation

تعداد نتایج: 431885  

ژورنال: Medical Laboratory Journal 2016
Ariaie , Mohammad, Joshaghani, Hamidreza, Aliarab, azadeh, Mirfazeli , Arezoo , Mohammad Abadi , Fahime , Nejabat, Mojgan , taherizadeh, Mahsa , Zaeri , Hossein ,

ABSTRACT        Background and Objective: Measurement of amino acids is an important tool for metabolic studies and evaluation of patients’ clinical condition. The aim of this study was to analyze the plasma amino acids using reverse phase high performance liquid chromatography techniques (RP-HPLC) with pre-column derivatization by o-phthalaldehyde (OPA)...

2005
Dan Barry Derry Fitzgerald Eugene Coyle Bob Lawlor

We present a method for the separation and resynthesis of drum sources from single channel polyphonic mixtures. The frequency domain technique involves identifying the presence of a drum using a novel percussive feature detection function, after which the short-time magnitude spectrum is estimated and scaled according to an estimated time-amplitude function derived from the percussive measure. ...

Journal: :gas processing 0
masoumeh moheb shahrestani department of chemical engineering, faculty of engineering, university of isfahan, iran amir rahimi

â a model is developed for separation of multicomponent gas mixtures in a countercurrent hollow fiber membrane module. while the model’s solution in countercurrent module usually involves in a time consuming iterative procedure, a proper initial guess is proposed for beginning the calculation and a simple procedure is introduced for correcting the guesses, hereby the cpu time is decreased ess...

Journal: :Journal of the Medical Association of Thailand = Chotmaihet thangphaet 2007
Surachai Saranrittichai Rangsan Niramis Surachai Siripornadulsilp Wichian Thianjaruwatthana Tanin Hompleum Nakhon Tipsunthonsak Aksorn Pulnitiporn Sirijitt Vasanawathana Vithya Jarupoonphol

A pair of thoracopagus conjoined twins were separated at the age of 3 months at Khon Kaen Regional Hospital, Thailand on November 19, 2004. Pre-operative investigations showed separate hearts, joined duodenum, and fusion of the livers. Separation of the extra-hepatic biliary systems was suspected. Operative findings revealed fusion of the intestines from the second part of the duodenum to the t...

Journal: :Journal of the Korean Society of Mineral and Energy Resources Engineers 2015

Journal: :Remote Sensing 2021

Medium pulse repetition frequency (MPRF) is an important mode in airborne radar system. Since MPRF brings both Doppler and range ambiguities, it causes difficulty for the to suppress ground or sea clutter. In recent years, has been pointed out that diverse array (FDA) capable of separating ambiguous clutter, which helpful detecting weak moving targets originally buried To further improve clutte...

Journal: :The Journal of the Society of Chemical Industry, Japan 1954

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده فنی 1393

یکی از مهم ترین مشکلات سیستم های ofdm عدم توانایی این سیستم ها در حذف سیگنال تداخل در باند فرکانسی سیگنال مطلوب می باشد. برای حذف این تداخلات از روش های شکل دهی پرتو استفاده می شود. دو روش مرسوم شکل دهی پرتو، روش pre-fft (شکل دهی پرتو در حوزه زمان) و روش post-fft (شکل دهی پرتو در حوزه فرکانس) می باشند. برای به روزرسانی وزن ها در هر دو روش راه حل های مختلفی پیشنهاد شده است که می توان همه آن ها ر...

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