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  • atomic
  • Reference is made to the role of atomic absorption spectrometry (AAS), particularly furnace AAS, anodic stripping voltammetry (ASV) as an alternative to the latter and important factors influencing precision and accuracy in trace analysis. (edu.au)
  • The validity of atomic absorption spectrophotometry Ior measuring markers of trapped volume was checked by comparative determinations of markers with established optical spectrophotometrical methods. (bioscirep.org)
  • structure
  • The N K-edge X-ray absorption near edge structure (XANES) spectra of the purine-containing nucleotide, guanosine 5{sup ′}-monophosphate (GMP), in aqueous solution are measured under various pH conditions. (osti.gov)
  • The X-ray absorption near-edge structure (XANES) results show the significant effects of H and CO adsorption on white lines for pure Pt nanoparticles, which are correlated with the depletion of the density of states (DOS) just below the Fermi level (FL) calculated with density-functional theory (DFT). (rsc.org)
  • The extended X-ray absorption fine structure (EXAFS) results for pure Pt nanoparticles have exhibited significant changes caused by H and CO adsorption. (rsc.org)
  • Sulfur K-edge X-ray absorption near-edge structure (XANES) analyses of Ghost wreck wood show that organic thiols and disulfides dominate, together with elemental sulfur probably generated by sulfur-oxidizing Beggiatoa bacteria. (diva-portal.org)
  • Bulk X-ray absorption near-edge structure analysis shows arsenic in these near-surface samples is mainly in the pentavalent form, indicating that most of the arsenopyrite (As1−) originally present in the tailings and soils has been oxidized during weathering reactions. (nerc.ac.uk)
  • intensity
  • The integrated intensity-obtained by integrating the area under the absorption line-is proportional to the amount of the absorbing substance present. (wikipedia.org)
  • For (far) infrared, microwave and radio frequency ranges the temperature dependent occupation numbers of states and the difference between Bose-Einstein statistics and Fermi-Dirac statistics determines the intensity of observed absorptions. (wikipedia.org)
  • A review of studies on differential response to the drug psilocybin found that absorption had the largest effect of all the psychological variables assessed on the intensity of individual experiences of altered states of consciousness. (wikipedia.org)
  • Saturable absorption is a property of materials where the absorption of light decreases with increasing light intensity. (wikipedia.org)
  • At sufficiently high incident light intensity, atoms in the ground state of a saturable absorber material become excited into an upper energy state at such a rate that there is insufficient time for them to decay back to the ground state before the ground state becomes depleted, and the absorption subsequently saturates. (wikipedia.org)
  • Within the simple model of saturated absorption, the relaxation rate of excitations does not depend on the intensity. (wikipedia.org)
  • Factors
  • Individual iron absorption can be influenced by a variety of factors. (ehow.co.uk)
  • https://www.ehow.co.uk/info_8204357_factors-affect-iron-absorption.html. (ehow.co.uk)
  • Factors That Affect Iron Absorption" last modified May 13, 2017. (ehow.co.uk)
  • Moreover, the drug's pharmacokinetic profile can be easily and significantly changed by adjusting factors that affect absorption. (wikipedia.org)
  • Absorption has a variable correlation with hypnotisability (r = 0.13-0.89) perhaps because in addition to broad personality dispositions, situational factors play an important role in performance on tests of hypnotic susceptibility. (wikipedia.org)
  • Absorption of substances through the skin depends on a number of factors, the most important of which are concentration, duration of contact, solubility of medication, and physical condition of the skin and part of the body exposed. (wikipedia.org)
  • main
  • Researchers have suggested that individual differences in both absorption and responsiveness to hallucinogenic drugs could be related to the binding potential of serotonin receptors (specifically 5-HT2A) which are the main site of action of classic hallucinogens, such as LSD and psilocybin. (wikipedia.org)
  • barrier
  • Acoustic absorption is critical in areas such as: Soundproofing Sound recording and reproduction Loudspeaker design Acoustic transmission lines Room acoustics Architectural acoustics Sonar Noise Barrier Walls An acoustic anechoic chamber is a room designed to absorb as much sound as possible. (wikipedia.org)
  • One particular cellular barrier that may prevent absorption of a given drug is the cell membrane. (wikipedia.org)
  • The stratum corneum is the outermost layer of the epidermis and the rate-limiting barrier in absorption of an agent. (wikipedia.org)
  • decrease
  • Consuming coffee and tea with a meal is shown to decrease the absorption of iron from the foods with which it is consumed. (ehow.co.uk)
  • According to Colorado State University, tea can decrease the absorption of iron by 60 per cent and coffee can decrease absorption by up to 50 per cent. (ehow.co.uk)
  • phases
  • The absorption cooling cycle can be described in three phases: Evaporation: A liquid refrigerant evaporates in a low partial pressure environment, thus extracting heat from its surroundings (e.g. the refrigerator's compartment). (wikipedia.org)
  • widely
  • If office developers want to lessen their chances of building a failure, they must pay closer attention to future demand instead of space-absorption patterns, a widely known Florida real estate economist contends.Tom Powers, chief economist for Goodkin Research Corp. of Fort Lauderdale-by-the-Sea, said metropolitan Orlando, like most construction markets, is usually analyzed using space-absorption surveys. (orlandosentinel.com)
  • In the early years of the twentieth century, the vapor absorption cycle using water-ammonia systems was popular and widely used, but after the development of the vapor compression cycle it lost much of its importance because of its low coefficient of performance (about one fifth of that of the vapor compression cycle). (wikipedia.org)
  • strongly
  • Studies have found that responsiveness to the engaging or inductive stimuli subscales of the TAS were more strongly related to hypnotisability than were imagistic thought, episodes of expanded awareness, or absorption in thoughts and imaginings. (wikipedia.org)
  • Absorption is strongly correlated with openness to experience. (wikipedia.org)
  • Absorption was strongly associated with overall consciousness alteration and with mystical-type experiences and visual effects induced by psilocybin. (wikipedia.org)
  • phenomenon
  • Independently of Hulburt, the French meteorologist Jean Dubois had proposed a few years before that Chappuis absorption had an effect on another color phenomenon of the sky at dusk. (wikipedia.org)
  • polarization
  • Polarization cannot be explained by light absorption by ozone, but can be explained by Rayleigh scattering, which was already known by Chappuis's time. (wikipedia.org)
  • energy
  • Use a temperature probe to measure the relative absorption of radiant energy for different surfaces. (carleton.edu)
  • In order for a substance to change its energy it must do so in a series of "steps" by the absorption of a photon. (wikipedia.org)
  • An absorption refrigerator is a refrigerator that uses a heat source (e.g., solar energy, a fossil-fueled flame, waste heat from factories, or district heating systems) to provide the energy needed to drive the cooling process. (wikipedia.org)
  • In the field of nuclear engineering, absorption hardening is the increase in average energy of neutrons in a population by preferential absorption of lower-energy neutrons. (wikipedia.org)
  • The process of absorption means that a substance captures and transforms energy. (wikipedia.org)
  • processes
  • Absorption refrigerators are a popular alternative to regular compressor refrigerators where electricity is unreliable, costly, or unavailable, where noise from the compressor is problematic, or where surplus heat is available (e.g., from turbine exhausts or industrial processes, or from solar plants). (wikipedia.org)
  • In many processes important in technology, the chemical absorption is used in place of the physical process, e.g., absorption of carbon dioxide by sodium hydroxide - such acid-base processes do not follow the Nernst partition law. (wikipedia.org)
  • radiation
  • Students use a microcomputer connected to a light sensor and temperature probe to explore the reflection and absorption of radiation for different surfaces. (carleton.edu)
  • This activity can be used as a lab activity in an introductory geoscience course that contains a discussion of absorption and reflection of radiation, e.g. (carleton.edu)
  • known
  • But the key isn't so much your asking price as it is how fast you want to sell, says Zan Monroe, a senior instructor for the Council of Residential Specialists and proponent of a technique known as "absorption rate pricing," or ARP. (orlandosentinel.com)
  • given
  • The American National Standards Institute standard for the absorption refrigerator is given by the ANSI/AHRI standard 560-2000. (wikipedia.org)
  • effect
  • Both absorption and compressor refrigerators use a refrigerant with a very low boiling point (less than −18 °C (0 °F)). In both types, when this refrigerant evaporates (boils), it takes some heat away with it, providing the cooling effect. (wikipedia.org)
  • For this reason, Chappuis absorption only has a significant effect on the color of the sky at dusk, during the so-called blue hour. (wikipedia.org)
  • As Hulburt knew about the absorption by ozone, and as the spectral range of Chappuis absorption had been more precisely measured only a few years before by the French couple Arlette and Étienne Vassy, he made an attempt to account for this effect in his calculations. (wikipedia.org)
  • Dubois worked on the so-called "Earth's shadow" in his doctoral thesis in the 1940s, and he hypothesized that this effect could also be attributed to Chappuis absorption. (wikipedia.org)
  • Skin absorption relates to the degree of exposure to and possible effect of a substance which may enter the body through the skin. (wikipedia.org)
  • rate
  • Metropolitan Orlando's apartment market is strengthening, with absorption brisker than anticipated and new construction easing, a real estate research company's latest survey shows.James B. Lewis, president of Real Estate Economics Inc. in Maitland, said his company's September survey showed vacancy levels improved to 11.9 percent from 12.7 percent in March.Lewis said absorption over the six-month period averaged 727 apartments a month, a higher rate than had been anticipated. (orlandosentinel.com)
  • symptoms
  • In both cases-improper digestion or absorption-the affected person can experience symptoms associated with malabsorption and, in severe cases, symptoms of malnutrition and vitamin deficiency. (labtestsonline.org)
  • Absorption may act to amplify minor somatic symptoms, leading to an increased risk of conditions associated with hypersensitivity to internal bodily sensations, such as somatoform disorders and panic disorder. (wikipedia.org)
  • temperature
  • The complete activity in pdf format can be viewed at Reflection and Absorption of Light The cost of the interface, temperature probe, and light sensor are $220, $29, and $45 respectively. (carleton.edu)
  • line
  • A wide variety of absorption band and line shapes exist, and the analysis of the band or line shape can be used to determine information about the system that causes it. (wikipedia.org)
  • Type
  • The specific type of iron consumed affects absorption. (ehow.co.uk)
  • Vegetarians should be especially conscious of the decreased absorption of non-heme iron because this is the only type they consume through dietary intake. (ehow.co.uk)
  • small
  • At the 2007 TED Conference, Adam Grosser presented his research of a new, very small, "intermittent absorption" vaccine refrigeration unit for use in third world countries. (wikipedia.org)
  • include
  • Positive experiences facilitated by absorption include the enjoyment of music, art, and natural beauty (e.g. sunsets) and pleasant forms of daydreaming. (wikipedia.org)
  • changes
  • An absorption refrigerator changes the gas back into a liquid using a method that needs only heat, and has no moving parts other than the refrigerant itself. (wikipedia.org)