نتایج جستجو برای: climatic chamber

تعداد نتایج: 73067  

Journal: :Tree physiology 2007
Heikki Hänninen Michelle Slaney Sune Linder

Ecophysiological models predicting timing of bud burst were tested with data gathered from 40-year-old Norway spruce (Picea abies (L.) Karst.) trees growing in northern Sweden in whole-tree chambers under climatic conditions predicted to prevail in 2100. Norway spruce trees, with heights between 5 and 7 m, were enclosed in individual chambers that provided a factorial combination of ambient (36...

Journal: :Microelectronics Reliability 2021

In this work, Fluoropolymer-based ultrathin coating is evaluated as a protective barrier for Printed Circuit Board (PCB) against corrosion failures. Constant humidity with temperature cycling was applied external climatic conditions performance assessment through electrochemical AC impedance and DC potentiostatic measurements. Morphology of the before after test inspected using Optical, Scannin...

Journal: :health scope 0
peymaneh habibi department of occupational health engineering, student research center, school of health, isfahan university of medical sciences, isfahan, ir iran habibollah dehghan department of occupational health engineering, student research center, school of health, isfahan university of medical sciences, isfahan, ir iran; department of occupational health engineering, school of health, isfahan university of medical sciences, isfahan, ir iran. tel: +98-3117922733, fax: +98-3116682509 azam haghi department of occupational health engineering, student research center, school of health, isfahan university of medical sciences, isfahan, ir iran mahnaz shakerian department of occupational health engineering, student research center, school of health, isfahan university of medical sciences, isfahan, ir iran

results the results showed that the average hr at resting, sitting (32℃ ± 0.1℃), and light workload (30℃ ± 0.1℃) were 78.52 ± 12.10, 69.74 ± 11.98, and 110.78 ± 17.91 beat/min, respectively. the average of ear canal temperature was estimated at 36.70℃ ± 0.36℃ for sitting workload and at 36.71℃ ± 0.27℃ light workload. conclusions the findings of this study illustrated that the average hr and the...

Journal: :Weed Research 2022

The variability in the emergence process of different populations was confirmed for two Echinochloa crus-galli populations, one from Italy (IT) and second Norway (NO). Seeds were sown 12 localities over Europe Middle East, patterns IT NO compared with those several local at each location. population pots buried to ground level. base temperature (Tb) estimated by (1) analysing logistic models ap...

Journal: :Journal of Engineered Fibers and Fabrics 2021

The following analysis deals with the validation study for already published thermal simulation of human body-clothing-environment system through wear trials. Three test persons and a clothing were selected this study. process chain includes 3D scanning, fit considering deformation properties fabrics, air gaps between skin clothing, thermophysiological body taking into account different metabol...

2015
Moumita Saha Pabitra Mitra

Identification of climatic indices are vital in essence of their ability to characterize different climatic events. We focus on discovery of climatic indices important for Indian summer monsoon from climatic parameters surface pressure and zonal wind velocity. We use climatic network based community detection approach for discovery of climatic indices. New indices depict better correlation with...

Journal: :iranian journal of medical physics 0
koroush arbabi ph.d. student in medical physics, agricultural, medical & industrial research school (amirs), nuclear sciences & technology research institute (nstri), atomic energy organization of iran (aeoi), tehran, iran gholamreza raisali associate professor, nuclear engineering, radiation application research school (rars), nstri, aeoi masoomeh dehghani moghadam m.sc. in nuclear physics, deputy of nuclear research & technology, aeoi, tehran, iran mostafa ghafoori m.sc. in nuclear engineering, amirs, nstri, aeoi, tehran, iran arjang shahvar b.sc. in nuclear physics, amirs, nstri, aeoi, tehran, iran said hamidi assistant professor, nuclear physics dept., physics group, basic sciences faculty, arak university, arak, iran

introduction: well type ionization chamber is a measuring device which is used to determine the activity of brachytherapy sources. the chamber has a cylindrical volume in which a cylindrical tube is mounted in the middle of the chamber. for the measurements, the brachytherapy sources are transferred to the middle of the tube. materials and methods: for designing the well type chamber, the measu...

Journal: :iranian journal of radiation research 0
m.a. gadhi bahawalpur institute of nuclear medicine and oncology (bino) bahawalpur, pakistan s.a. buzdar department of physics, the islamia university of bahawalpur, pakistan m. afzal department of physics, the islamia university of bahawalpur, pakistan sh. fatmi bahawalpur institute of nuclear medicine and oncology (bino) bahawalpur, pakistan m.s. akhtar bahawalpur institute of nuclear medicine and oncology (bino) bahawalpur, pakistan a.h. nizamani department of physics, university of sind, jamshoro, hyderabad, pakistan

background: the effectiveness and safety of brachytherapy treatment is mainly concerned with the calibration of sources and their traceability to internationally accepted standards. secondary standard dosimetry laboratory (ssdl) does not offer calibration of ionization chambers with gamma-ray spectrum of high dose rate source 192ir . this work has been carried out to calibrate the high dose rat...

Journal: :journal of dental research, dental clinics, dental prospects 0
davood jamshidi assistant professor,department of endodontics, faculty of dentistry, ghazvin university of medical science, ghazvin, iran alireza adl . assistant professor, department of endodontics, faculty of dentistry, shiraz university of medical science, shiraz, iran fereshte sobhnamayan . assistant professor, department of endodontics, faculty of dentistry, shiraz university of medical science, shiraz, iran. mehrdad bolurian . assistant professor, department of endodontics, faculty of dentistry, ardebil university of medical science, ardebil, iran.

taurodontism is a morphologic feature of generally multi-rooted teeth with large pulp chambers and shortened roots. a case of endodontic treatment in a 24-year-old male with the chief complaint of swelling and pain in the right mandibular region is described. periapical lesion was present in the radiographic examination of hypertaurodont second mandibular molar. four root canals were detected w...

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