نتایج جستجو برای: temperature

تعداد نتایج: 452920  

Journal: :Respiratory physiology & neurobiology 2009
H-C Gunga A Werner A Stahn M Steinach T Schlabs E Koralewski D Kunz D L Belavý D Felsenberg F Sattler J Koch

The objective of our study was to establish whether rectal temperature recordings in humans could be replaced by a non-invasive skin temperature sensor combined with a heat flux sensor (Double Sensor) located at the forehead to monitor core body temperature changes due to circadian rhythms. Rectal and Double Sensor data were collected continuously for 24h in seven men undertaking strict head-do...

Journal: :Physical review letters 2007
M J Manfra R de Picciotto Z Jiang S H Simon L N Pfeiffer K W West A M Sergent

Anisotropic charge transport is observed in a two-dimensional (2D) hole system in a perpendicular magnetic field at filling factors nu=7/2, nu=11/2, and nu=13/2 at low temperature. In stark contrast, the transport at nu=9/2 is isotropic for all temperatures. Isotropic hole transport at nu=7/2 is restored for sufficiently low 2D densities or an asymmetric confining potential. The density and sym...

Journal: :The Journal of experimental biology 1994
Dewar Graham Brill

The body temperatures (Tb) of nine yellowfin tuna (Thunnus albacares) were monitored while fish swam in a large water tunnel at controlled velocities (U) and ambient temperatures (Ta). Monitoring Tb during step changes in Ta at constant U permitted estimation of the thermal rate coefficient (k), an index of heat transfer. In the yellowfin, k is dependent on both Ta and the direction of the ther...

Journal: :trauma monthly 0
laleh ranandeh kalankesh department of environmental health engineering, school of health, kerman university of medical sciences, kerman, ir iran fatemeh mansouri department of environmental health engineering, school of health, kerman university of medical sciences, kerman, ir iran narges khanjani department of epidemiology and statistics, school of health, kerman university of medical sciences, kerman, ir iran; monash centre for occupational and environmental health, school of public health and preventive medicine, monash university, melbourne, australia; department of epidemiology and statistics, school of health, kerman university of medical sciences, kerman, ir iran. tel/fax: +34-3132-5102

conclusions high temperatures and low humidity increased the risk of trauma deaths in our study. however, more studies are needed to document this. results the findings of this study showed that the overall mortality caused by trauma is higher in the warm season. the highest correlation between mortality and temperature was seen in ages over 60 years (r = 0.301, p = 0.020) in trauma deaths and ...

Journal: :journal of lasers in medical sciences 0
seyyed abbas mirnezami iranian national center of laser science and technology mahdi rajaei jafarabadi iranian national center of laser science and technology maryam abrishami iranian national center of laser science and technology

introduction: human eye is a sensitive part of human body with no direct protection and due to its lack of protection against the external heat waves, studying the temperature distribution of heat waves on the human eye is of utmost importance. various lasers are widely used in medical applications such as eye surgeries. the most significant issue in the eye surgeries with laser is estimation o...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2013
mohammad hojjatoleslamy fatemeh raisi masoumeh asadi mehran mohammadian narges samanian

background & aim:  psyllium (plantago psyllium l.) is a native plant that grows widely in india and iran. different cases of using psyllium gum for its suitable rheological properties in a wide range of food products exist in nature. experimental: in this study, different fractions of psyllium gum were extracted by water and alkali treatments. rheological properties of these fractions were ...

Journal: :international journal of nano dimension 0
r. abband pashaki department of electrical engineering, guilan science and research branch, islamic azad university, guilan, iran. s. a. sedigh ziabari department of electrical engineering, roudbar branch, islamic azad university, roudbar, iran.

in this paper, the temperature dependence of some characteristics of cylindrical gate-all-around si nanowire field effect transistor (gaa-si-nwfet) is investigated to representing the temperature nano-sensor structures and improving their performance. firstly, we calculate the temperature sensitivity of drain-source current versus the gate-source voltage of gaa-si-nwfet to propose the temperatu...

Journal: :علوم و تکنولوژی پلیمر 0
بهروز صالح پور بهرام قره باغی

polymer-graphite powder composite behaves as a low-conductive material which can be used as an automatic fuse for adhesive connector in electrical circuits. the conductivity of this composite, below its transition temperature, tt, depends on concentration of carbon powder, slowly decreases as the temperature increases. meanwhile, the electrical resistivity of this material in transition tempera...

Kazem Hamadi Leila Nozarian,

Forecasting of temperature and precipitation can be efficiently used in decision making and optimal use of water resources. Studies in Iran have indicated a significant increase in annual temperature. This issue should be further researched in the Ahvaz region because it is the population hub in the southwest of Iran and the pole of irrigation networks and traditional agricultural land ...

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