نتایج جستجو برای: temperature feedback

تعداد نتایج: 596451  

Journal: :iranian journal of medical physics 0
mohammad sadegh nourbakhsh phd student in biomaterials, amirkabir university of technology, tehran, iran. mohammad etrati khosroshahi associated professor, faculty of biomedical engineering, amirkabir university of technology, tehran, iran. sohrab saremi m.sc in bioelectric engineering, islamic azad university, tehran, iran. shahram rabbani assistant professor, tehran heart center, tehran university of medical sciences, tehran, iran amir hooshyar m.sc in biomechanics engineering, amirkabir university of technology, tehran, iran. farhad tabatabaee6 assistant professor, biomedical engineering dept., amirkabir university of technology, tehran, iran.

introduction: laser tissue soldering using albumin and indocyanine green dye (icg) is an effective technique utilized in various surgical procedures. the purpose of this study was to perform laser soldering of rat skin under a feedback control system and compare the results with those obtained using standard sutures. material and methods: skin incisions were made over eight rats’ dorsa, which w...

Journal: :Theoretical and Applied Climatology 2012

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - پژوهشکده علوم انسانی و اجتماعی 1390

this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...

Journal: :international journal of foreign language teaching and research 0
annisa astrid english education study program, uin raden fatah palembang, indonesia dwi rukmini english education study program, universitas negeri semarang, indonesia ahmad sofwan english education study program,universitas negeri semarang, indonesia sri wuli fitriati english education study program, universitas negeri semarang, indonesia

the research was aimed at finding out the effects of the implementation of writing feedback techniques and students’ writing anxiety on students’ writing ablity. experimental method of 3x2 factorial design was employed in the research. there were three experimental groups of students who were taught by using teacher feedback, peer feedback and the combination of peer and teacher feedback writin...

2016
Paulo Ceppi Daniel T. McCoy Dennis L. Hartmann

Exploiting the observed robust relationships between temperature and optical depth in extratropical clouds, we calculate the shortwave cloud feedback from historical data, by regressing observed and modeled cloud property histograms onto local temperature in middle to high southern latitudes. In this region, all CMIP5 models and observational data sets predict a negative cloud feedback, mainly ...

Journal: :Physical review letters 2016
J Govenius R E Lake K Y Tan M Möttönen

We experimentally investigate and utilize electrothermal feedback in a microwave nanobolometer based on a normal-metal (Au_{x}Pd_{1-x}) nanowire with proximity-induced superconductivity. The feedback couples the temperature and the electrical degrees of freedom in the nanowire, which both absorbs the incoming microwave radiation, and transduces the temperature change into a radio-frequency elec...

1999

We examine 800-year time series of internally generated variability in both a coupled ocean-atmosphere model where water vapor anomalies are not allowed to interact with longwave radiation and one where they are. The ENSO-like phenomenon in the experiment without water vapor feedback is drastically suppressed both in amplitude and geographic extent relative to the experiment with water vapor fe...

2009
M. A. Moreira A. Oliveira C. E. T. Dórea P. R. Barros J. S. da Rocha Neto

− This paper proposes the use of feedback linearization for the characterization of thermoresistive sensors and for the control of measurement systems based on thermoresistive sensors kept at constant temperature. Two important benefits brought by feedback linearization are: regarding sensor characterization, it allows the determination of static and dynamic parameters by a single experimental ...

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