Temperature absorption. Medical search. Frequent questions

Infrared absorption coefficients of various gas and liquid fuels (propane, n-heptane, methanol, toluene, propylene and methyl methacrylate) were measured using high temperature Fourier transform infrared spectroscopy (FTIR) for a range of temperatures up to 1000 K in order to facilitate calculation of radiative absorption of fuel molecules in large-scale, non-premixed flames. (umd.edu)
Tunable diode laser absorption spectroscopy (TDLAS, sometimes referred to as TDLS, TLS or TLAS) is a technique for measuring the concentration of certain species such as methane, water vapor and many more, in a gaseous mixture using tunable diode lasers and laser absorption spectrometry. (wikipedia.org)
We have applied time-resolved absorption spectroscopy to study the near-band-edge carrier dynamics of low temperature-MBE-grown GaAs, in order to directly observe the carrier relaxation and lifetime for this material. (dtic.mil)
Subpicosecond transient absorption spectroscopy is a powerful tool used to clarify the exciton and carrier dynamics within the organic solar cells (OSCs). (hindawi.com)
Secondly, the spectroscopy revealed that the exciton-to-carrier conversion process is insensitive to temperature. (hindawi.com)
Laser absorption spectroscopy has enabled fast and precise diagnostics for measuring gas conditions in a wide variety of applications. (purdue.edu)
High-resolution visible spectroscopy with McPherson 1-m-focal-length Model 2061 (or 1.33 m Model 209) facilitates remote and spatially distributed, fiber-optic coupled measurement of ion temperatures and plasma flow, even in hostile environments. (laserfocusworld.com)
High-resolution visible spectroscopy with McPherson one meter focal length Model 2061 (or 1.33m Model 209) facilitates remote and spatially distributed, fiber-optic coupled measurement of ion temperatures and plasma flow, even in hostile environments. (laserfocusworld.com)
Dive into the cutting-edge world of absorption spectroscopy in our upcoming webinar, exploring groundbreaking techniques such as cavity ringdown spectroscopy, photoacoustic spectroscopy. (laserfocusworld.com)
Absorption spectroscopy was applied to 1 MA wire-array Z-pinches. (aps.org)
Infrared tunable diode laser absorption spectroscopy (IR-TDLAS) is a feasible nonintrusive in-situ method for HCl measurements in harsh environments. (lu.se)
We will therefore apply our standard UHV surface science techniques available to us such as Scanning Tunnelling Microscopy (STM), High Resolution Core Level Spectroscopy (HRCLS), Low-Energy Electron Diffraction (LEED), SXRD, Near-Edge X-ray Absorption Fine Structure spectroscopy (NEXAFS), Temperature-Programmed Desorption (TPD) and Reflection Absorption Infra-Red Spectroscopy (RAIRS) before entering the realm of operando environments. (lu.se)

Significant skin absorption or ingestion is unlikely. (cdc.gov)
Exposures occur from ingestion, skin absorption, or inhalation of vapors. (cdc.gov)

Temperature dependent two-photon and free-carrier absorption spectra of InSb are measured using femtosecond, picosecond, and nanosecond IR sources. (sri.com)
In this review article, we introduce a method to determine the absolute numbers of the excitons and carriers against delay time ( t ) only from the photoinduced absorption (PIA) and electrochemically induced absorption (EIA) spectra. (hindawi.com)
The validity of the radiative transfer theory is demonstrated by applying it to spectra of an evacuated gas cell, recorded over a range of temperatures, and thereby deriving a temperature independent emissivity for the cell windows. (bas.ac.uk)
The lack of accurate temperature-dependent water spectra can introduce thousands parts per million (ppm) HCl overestimation. (lu.se)

The ammonia-water hybrid absorption-compression heat pump (HAC-HP) is of speciﬁc interest for development of high temperature heat pumps due to two properties inherent to the zeotropic working ﬂuid: 1. (dtu.dk)

Ways in which the effects of radiation from the gas cell and its contents can be minimised or eliminated are discussed, including an experimental procedure involving measurements with two different temperatures of the spectrometer source. (bas.ac.uk)

With the new material, the GIT team has overcome two main obstacles facing developers of carbon absorption techniques - the lack of stability in solid materials often limits them to a one-time use, while the liquid absorbents are expensive and require a lot of energy. (thefutureofthings.com)
This work provides a comparison between a low temperature carbon capture and a chemical absorption process in response to a dynamic electricity demand and price profile and in the presence of an intermittent wind power supply. (byu.edu)
For the case without energy storage, the total operating cost and energy demand of the low temperature carbon capture, based on a similar amount of captured carbon dioxide, are 4.3% and 20.5% less than that of chemical absorption, respectively. (byu.edu)
For the scenario with energy storage, the low temperature carbon capture requires 32.34% less energy to capture similar amounts of carbon dioxide while incurring 9.09% less overall operational cost. (byu.edu)
The systems allow scientists to 'peep' at fusion and other plasma experiments , in a noninvasive manner, to monitor select spectral emission lines, like 529 nm carbon, to better understand the plasma formation, temperature, boundary layer interaction and more. (laserfocusworld.com)
Also, carbon dioxide absorption has increased ocean acidity 26% since the industrial era began. (cdc.gov)
The adsorption capacity of BN in simulated flue gases decreases with increasing adsorption temperature, whereas it is always higher than that of activated carbon (AC). (bvsalud.org)
Black carbon (BC) is one such emission and denotes soot with strong light absorption in the ultraviolet to infrared spectrum. (lu.se)
Combustion can also generate brown carbon (BrC) particles, with absorption confined to shorter wavelengths than BC and absorption Ångström exponents (AAEs) significantly higher than 1. (lu.se)
Immature soot was characterized by short and amorphous nanostructures, BrC absorption, high polycyclic aromatic hydrocarbon (PAH) fractions, and refractory organic carbon that partially formed pyrolytic carbon during thermal-optical analysis. (lu.se)
Mature soot was characterized by ordered nanostructures, BC absorption, low PAH mass fractions, and mass dominated by elemental carbon. (lu.se)

is the line strength (i.e. the total absorption per molecule) of the absorbing species at temperature T {\displaystyle T} , ϕ ( ν ~ − ν ~ 0 ) {\displaystyle \phi ({\tilde {\nu }}-{\tilde {\nu }}_{0})} is the lineshape function for the particular absorption line. (wikipedia.org)

Chlorine is a gas at room temperature, making ingestion an unlikely route of exposure. (cdc.gov)
Toxicity can occur from unintentional or deliberate inhalation of fumes, ingestion, or transdermal absorption. (medscape.com)

Powered with light diesel oil, natural gas, and residual (waste) heat (Recycling of steam, hot water, and flue gas), the lithium bromide absorption chiller unit (ABS) is not only an environment-friendly, high efficiency and comfortable air conditioner, but also an energy saving, emission-reduction and environmental-protection product for process requirements and comprehensive utilization of energy. (panasonic.com)
The technique was applied to measure the temporally resolved HCl release and local temperature over burning PVC particles in hot flue gas at 1790 K. (lu.se)

Highly resolved infrared absorption coefficient database of fuels and combustion products (H2O, CO2, and CO from HITEMP database, and soot from modeling) were created. (umd.edu)
Directional radiation intensity at the fuel surface of 0.3 m methanol, heptane and toluene pool fires were solved using a one dimensional radiative transport equation for line of sight at flame centerline using the new radiation absorption coefficient database. (umd.edu)

The scientists performed as many as twelve absorption-desorption cycles, measuring no significant losses in capacity. (thefutureofthings.com)
A series of Li-B-N-H quaternary hydrides were synthesis by ball milling the mixture of LiNH2-LiH with LiBH4 and tested for hydrogen storage by high pressure differential scanning calorimeter (HP-DSC), temperature programmed desorption (TPD), pressure composition isothermal (PCI). (aiche.org)
We found that an optimized composition is critical for low temperature hydrogen absorption and desorption. (aiche.org)
The absorption rate from pure nitrogen was controlled by the mass transfer in metal phase.When Ar-N 2 gas mixture was injected, however, the absorption rate was controlled by the mass transfer in gas phase.The desorption rate of nitrogen by pure argon was controlled by the gaseous mass transfer. (go.jp)

Apart from concentration, it is also possible to determine the temperature, pressure, velocity and mass flux of the gas under observation. (wikipedia.org)
This causes a reduction of the measured signal intensity due to absorption, which can be detected by a photodiode, and then used to determine the gas concentration and other properties as described later. (wikipedia.org)
Substantial absorption can occur through intact skin if vapor concentration is high or with direct contact with solutions, especially at high ambient temperatures and relative humidity. (cdc.gov)
Together with our previous finding that ANP does not alter renal Na excretion, we propose that ANP reduces plasma Na concentration in SW eels by inhibiting drinking and subsequent absorption of Na by the intestine. (bioone.org)

Comparison of Planck mean absorption coefficients as a function of temperature indicated unique behavior with respect to molecular structure of fuels. (umd.edu)
Light absorption by phytoplankton, non - algal particles (NAP) and chromophoric dissolved organic matter (CDOM) was investigated at 90 sites of a clear, deep artificial lake (Lake Qiandaohu) to study natural variability of absorption coefficients. (mdpi.com)

The HACHP can therefore deliver higher temperatures at higher efﬁciencies than conventional VCHP. (dtu.dk)
at higher temperatures, it is a colorless gas. (cdc.gov)
The results show that low temperature combustion conditions result in soot with immature characteristics, while higher temperatures result in more mature soot. (lu.se)

The probability of photon absorption by such a state increases as (N+1) where N is the occupation number of the state. (scirp.org)
If we combine the angular momentum of the atomic states before and after the emission or absorption of a photon, with spin angular momentum of 1, we get selection rules for allowed transitions. (lu.se)

Basotect ® has excellent sound absorption properties, a low weight, high temperature resistance and low flammability. (basf.com)

Influence of Temperature and Illumination on the Electrical Characteristics of Nanocrystalline Cu2S Based Heterojunctions for Photodetector Application. (scirp.org)

Primary biological aerosol particle (PBAPs) have a distinctive role because they initiate both cloud droplets and, at remarkably warm sub-zero temperatures, ice crystals. (lu.se)

Flame structure impacted importance of absorption and emission. (umd.edu)

NF3: UV absorption spectrum temperature dependence and the atmospheric and. (nasa.gov)
The focus here is on a single absorption line in the absorption spectrum of a particular species of interest. (wikipedia.org)
Here two different absorption lines for the same species are probed while sweeping the laser across the absorption spectrum, the ratio of the integrated absorbance, is then a function of temperature alone. (wikipedia.org)

Soot within the flame, which has continuous band absorption at entire infrared region, absorbed much more radiation than other species, which has particular discrete band absorption, and resulted in low radiation intensity at the fuel surface. (umd.edu)
The elevated AAEs and a major fraction of the BrC absorption were assigned to refractory soot components. (lu.se)
Specifically, the analysis suggested that the progression from BrC to BC absorption as soot maturity increased was caused primarily by the growth of refractory aromatic units, which are the soot building blocks. (lu.se)
This description of how combustion conditions may control soot properties can improve our understanding of processes related to light absorption in the atmosphere. (lu.se)
The ability of soot particles to form ROS increased with increasing combustion temperatures. (lu.se)
It was hypothesized from the analysis of soot properties that the diesel soot potential to form ROS with increasing combustion temperature in the first step increased due to more mature soot nanostructures, and in the second step due to increased oxidation and altered surface oxygen functional groups. (lu.se)

Sound absorption, fire resistance, thermal insulation or abrasiveness: Basotect ® combines many requirements for high-performance foam in one product. (basf.com)
Metal components used in industrial applications are often coated, to increase their resistance to wear, corrosion, high temperatures in service etc. (europa.eu)

Spectrally resolved fits as a function of temperature (up to 600 K) were calculated using a semi-empirical expression derived from quantum theory. (umd.edu)
is a function of temperature alone. (wikipedia.org)

However, the insulation acts as a cushioned layer and can offer significant impact shock absorption should you accidentally drop your phone on a hard surface. (kfor.com)
Significant feature of the OSCs is that Frenkel-type exciton with a high binding energy is stable even at room temperature, reflecting the small dielectric constant ( = 2-3) [ 7 , 8 ]. (hindawi.com)
The temperature at which significant molecular activity stops. (nasa.gov)

Temperature-controlled pyroelectric detector for laser power measurement from nW to 0.5 mW. (gentec-eo.com)

ASTER will be used to obtain detailed maps of land surface temperature, emissivity, reflectance and elevation. (nasa.gov)

2008)Room temperature polariton lasing in a GaN/AlGaN multiple quantum well micro-cavity. (scirp.org)
Fig. 2: Room-temperature demonstration of polariton XY Hamiltonian square 2 × 2 lattices. (nature.com)
Room-temperature polariton lasing in semiconductor microcavities. (nature.com)
Room temperature polariton lasing in quantum heterostructure nanocavities. (nature.com)

Electromagnetic power simulation suggests that the microwave power absorption density due to the dielectric loss is intrinsically predominant in X-PVA compared to the pristine PVA. (ntu.edu.sg)

Which thermal phone case best keeps your phone cool in high temperatures? (kfor.com)

Hydrogen cyanide is a colorless or pale-blue liquid at room temperature. (cdc.gov)
It is a liquid at room temperature that can splash or spill when handled carelessly. (cdc.gov)

Industrial heat pumps for high temperature process applications. (dtu.dk)
As heat pumps can upgrade low temperature waste heat to a high temperature heat supply using only a fraction of primary energy, heat pumps may be applied to improve the energy efﬁciency of industrial processes. (dtu.dk)
Many industrial heat pumps have been installed with a heat supply temperature ranging from 50 - 90 °C. The lack of installation in the temperature domain in excess of 90 °C is believed to be caused by the lack of cost efﬁcient heat pumps, rather than a limited demand. (dtu.dk)
Most commercial compressors are not durable at compressor discharge temperature above 180 °C. Using these components, vapour compression heat pumps (VCHP) are limited to heat supply temperatures between 80 - 90 °C. Developing heat pumps that are capable of delivering temperatures above 90 °C may therefore allow heat pump implementation in more industrial processes than is currently possible. (dtu.dk)
Further, the ratio of electromagnetic energy to heat energy conversion power (absorption) of X-PVA is much higher than pristine PVA, indicating the suitability for self-powered devices. (ntu.edu.sg)
Since the process of CO2 absorption generates considerable amounts of heat, it is imperative to develop efficient heat management and thermal recycling techniques. (thefutureofthings.com)
Absorber Ambient Condenser Evaporator Economizer heat exchanger Generator Inlet of solar collector Solar collector State points corresponding to Figure I relatively dry and high temperature ambient conditions have been reported by Kakabayev and co-workers 3'4. (coek.info)
When supplied with hydrogen, it evaporates and in the process extracts heat from the refrigerator thus lowering its temperature. (dometic.com)
Formulated to allow excellent mechanical toughness properties at lower temperatures in both the as welded and post weld heat treat conditions. (hobartbrothers.com)
Designed for excellent mechanical toughness at lower temperatures in both the as welded and post weld heat treat conditions. (hobartbrothers.com)

However, a room-temperature polaritonic platform on par with the GaAs quantum wells grown by molecular beam epitaxy at low temperatures remains elusive. (nature.com)

The conduction band and ultra-violet absorption of al-kali-halide crystals. (scirp.org)

The studies revealed that X-PVA has better thermal stability and microwave absorption properties. (ntu.edu.sg)
With a revamped optical system and improved computational processing, high-temperature chemicals (20 to 80°C) essential for cutting-edge chemical processing can be reliably measured with stability. (horiba.com)

These lasers can be tuned by either adjusting their temperature or by changing injection current density into the gain medium. (wikipedia.org)

It is very volatile, readily producing flammable and toxic concentrations at room temperature. (cdc.gov)

The obtained minimum reflection loss (RL) of X-PVA is -23 dB (filler-free) with entire X-band (8.2-12.4 GHz) absorption bandwidth (RL ≤ -10 dB), indicating excellent microwave absorption properties. (ntu.edu.sg)
The technique provides quantitative determination of the dc magnetic moment as a function of microwave power, magnetic field, and temperature. (nist.gov)
This paper numerically analyzes a temperature-rise inside an eye of our developed realistic head model for 1.5GHz microwave exposure, using the FD-TD (finite-difference time-domain)method. (ieice.org)

TDLAS is by far the most common laser based absorption technique for quantitative assessments of species in gas phase. (wikipedia.org)
In order to examine the quantitative relationship between the localized SAR and temperature-rise, we also obtained a tissue amount over which the localized SAR should be averaged so as to well reflect the temperature-rise distirbution inside the eye. (ieice.org)

Basotect ® can meet all these demands for sound absorption in offices and restaurants: It is versatile, flame-retardant and light weight - and it can fit in with any architectural features, whether used as ceiling tiles, hanging baffles, wall-mounted absorbers, or room dividers. (basf.com)

In this work, PVA is crosslinked at room temperature using divinyl sulfone (DVS) as a crosslinker, and the obtained crosslinked PVA (XPVA) is water-insoluble. (ntu.edu.sg)
2007) Room temperature polari-ton lasing in semiconductor microcavities. (scirp.org)
Basotect ® ensures optimal room acoustics: Particularly in noisy rooms like large offices or call centers, it is important to pay special attention to noise absorption. (basf.com)
Hydrogen cyanide is very volatile, producing potentially lethal concentrations at room temperature. (cdc.gov)
With this demonstration, we further establish perovskites as a promising platform for room temperature polaritonic physics and pave the way for the realization of robust mode-disorder-free polaritonic devices at room temperature. (nature.com)
For oral solution: store at room temperature. (cdc.gov)

In organic materials absorption of light results in creation of the Frenkel excitons, Coulomb -bound electron-hole pairs having an integer spin. (scirp.org)
Simulations with atomic kinetics models derived an electron temperature of Al wire-array plasma. (aps.org)

For true disks, both the dust temperatures inferred from the spectral energy distributions and the disk radii estimated from the images suggest that the dust is nearly as cold as a blackbody. (lu.se)

Analysis of solar absorption cooling systems with low generator temperatures P. K u m a r * and S. D e v o t t a i " Department of Chemical and Gas E. (coek.info)
This study considers the use of a solar division, water-lithium bromide absorption system for air conditioning duties. (coek.info)
Some experimental investigations using open cycle solar absorption cooling systems for Present addresses: * Centre for Energy Studies, Indian Institute of Technology, New Delhi-110 016, India. (coek.info)
We propose using the stimulated absorption for creation of solar cells of a record quantum efficiency. (scirp.org)

This scanned direct absorption diagnostic utilizes a quantum cascade laser to interrogate CO absorption lines near 2008.5 cm -1 to measure temperature, pressure, and CO at 750 kHz. (purdue.edu)

Power supply and temperature control for TP series detectors. (gentec-eo.com)

It automatically controls the cooling unit based on the surrounding ambient temperature. (dometic.com)

While temperature changes allow tuning over 100 cm−1, it is limited by slow tuning rates (a few hertz), due to the thermal inertia of the system. (wikipedia.org)
Cold temperatures can damage your phone's battery and hardware, but the insulation used in most thermal cases is also equipped to keep out the cold. (kfor.com)

This Test method has been designed to provide information on absorption of a test substance, (ideally radiolabelled), applied to the surface of a skin sample separating the two chambers (a donor chamber and a receptor chamber) of a diffusion cell. (oecd-ilibrary.org)

To investigate the possibility of developing high temperature HACHP, numerical models are developed for the one-stage cycle and several identiﬁed two-stage compression conﬁgurations. (dtu.dk)
One two-stage compression cycle performs better than the remaining, both in terms of increased efﬁciency, reduction of discharge temperature and needed compressor volume. (dtu.dk)
Under PQS, all models are prequalified for powering both compression and absorption types of equipment. (who.int)

To start, the wavelength of a diode laser is tuned over a particular absorption line of interest and the intensity of the transmitted radiation is measured. (wikipedia.org)
A further process always results from absorption, that is, the irreversible conversion of the absorbed radiation into some other form of energy within and according to the nature of the absorbing medium. (nasa.gov)

Kavokin, A. and Eramo, G. (2010) Photocurrents induced by stimulated absorption of light. (scirp.org)
Exciton polaritons, the part-light and part-matter quasiparticles in semiconductor optical cavities, are promising for exploring Bose-Einstein condensation, non-equilibrium many-body physics and analogue simulation at elevated temperatures. (nature.com)

The findings showed that CO2 is absorbed at temperatures ranging from 50 to 75 degrees Celsius. (thefutureofthings.com)

For investigating biological effects of a localized SAR (specific absorption rate) deposited in a human body for electromagnetic wave exposure, it is indispensable to analyze a temperature-rise inside a human brain including the control center of the body temperature. (ieice.org)

Development and demonstration of non-contact process temperature control. (europa.eu)

The flow diagram of a closed cycle absorption cooling system using water-lithium bromide as a working fluid pair is shown in Figure 1. (coek.info)
Further investigations on highest permissible generator temperature and long term behaviour of the system are indicated. (europa.eu)
The strength of the powerful ABS system lies in its ability to adjust the temperature in large spaces. (panasonic.com)
The Harmonized Commodity Description and Coding System Explanatory Notes (EN) constitute the official interpretation of the Harmonized System at the international level (for the 4 digit headings and the 6 digit subheadings) and facilitate classification under the HTSUSA by offering guidance in understanding the scope of the headings and GRI. (faqs.org)

In this study, a new high-temperature-resistant adsorbent-activated boron nitride (BN) was prepared using precursors combined with a high-temperature activation method. (bvsalud.org)

Anatomy21

Organisms12

Diseases5

Chemicals and Drugs68

Analytical, Diagnostic and Therapeutic Techniques and Equipment49

Psychiatry and Psychology1

Phenomena and Processes93

Disciplines and Occupations6

Technology, Industry, Agriculture7

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Spectroscopy12

Skin Absorption2

Spectra4

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Desorption4

Concentration4

Coefficients2

Higher temperatures3

Photon2

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Characteristics1

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Spectrum3

Soot6

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Function of temperature2

Significant3

Measurement1

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Polariton4

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High temperatures1

Liquid at room temperature2

Heat10

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Stability2

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Room6

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