نتایج جستجو برای: time migration produces images in very specific time migration coordinates x0

تعداد نتایج: 17348146  

Journal: :iranian journal of basic medical sciences 0
tianyun pang obstetrics and gynecology department of the first affiliated hospital of guangdong medical college, no. 57 avenue of the people, zhanjiang, guangdong province 524023, pr china cancer institute of guangdong medical college, no. 1 xincheng road, dongguan, guangdong province 523808, pr china sen wang cancer institute of guangdong medical college, no. 1 xincheng road, dongguan, guangdong province 523808, pr china min gao cancer institute of guangdong medical college, no. 1 xincheng road, dongguan, guangdong province 523808, pr china people's hospital of dongguan, no. 3 south of wandao road, dongguan, guangdong province 523059, pr china haixian kang cancer institute of guangdong medical college, no. 1 xincheng road, dongguan, guangdong province 523808, pr china

objective(s):eukaryotic translation initiation factor 4e (eif4e) is overexpressed in cervical cancer (cc). however, the molecular mechanisms are unclear. this study aimed to investigate the molecular mechanism of eif4e gene overexpression in cc. materials andmethods:the human papillomavirus (hpv) type 18 e7 and eif4e mrnas were measured following knock down or overexpression of e7 gene by rt-pc...

Background There is an increasing trend of international migration of health professionals from low- and middle- income countries to high-income countries as well as across middle-income countries. The WHO Global Code of Practice on the International Recruitment of Health Personnel was created to better address health workforce development and the ethical conduct of international recruitment. T...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم انسانی 1391

from 1950s onward, new theories and critical approaches burgeoned across humanities. these theories were context-oriented; as a result, the analysis of discursive practices gained significance. thus, social, political, historical and cultural discourses that have been hitherto marginalized and considered inferior to literary texts, were introduced as important texts to be analyzed by critics. o...

Objective(s):Degradation of sphingosine 1-phosphate (S1P), as a bioactive lipid, or deregulation of its production involves in tumor progression, metastasis and chemoresistance. Since the tumor progression effects of S1P and its mechanism in chronic lymphoblastic leukemia and non-small cell lung cancer is not fully understood, we investigated the role and one of the mechanisms of S1P in tumor p...

2012
Clement Fleury

Nonlinear reverse-time migration is a modified reverse-time migration that accounts for the nonlinear relation between seismic data and model in order to image multiply scattered waves including multiples. The illumination of multiply scattered waves yields a representation of the Earth’s subsurface that is more sensitive to model parameters, which allows for advanced seismic interpretation. Th...

Journal: :ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2015

2003
Paul C. Sava Sergey Fomel

Migration in the angle domain creates seismic images for different reflection angles. We present a method for computing angle-domain common-image gathers from seismic images obtained by depth migration using wavefield continuation. Our method operates on prestack migrated images and produces the output as a function of the reflection angle, not as a function of offset ray parameter as in other ...

Journal: :IOP Conference Series: Earth and Environmental Science 2017

Journal: :Migration and Development 2018

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