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Showing 1 to 20 of 237 for “"Heat Capacity"”.
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Heat capacity studies of phase transitions in a series of homologous liquid crystals using the AC heat capacity technique
… for organic liquids which utilizes the AC heat capacity technique. It can measure heat capacity changes of 1 part in 104 with a temperature resolution of 0.3 mK. This calorimeter has been used to study the smectic A-nematic phase transition in a series of homologous liquid crystals. In …
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Heat Capacity of Gadolinium Near the Curie Point
Made available in DSpace on 2015-05-12T21:41:55Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7013391.PDF: 1317971 bytes, checksum: 2cedbefc5b1069c2aa1a16a664ec4686 (MD5) Previous issue date: 1969
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Heat capacity of gadolinium near the Curie point
"The dependence of the heat capacity of gadolinium on temperature has been observed close to the ferromagnetic Curie point at about 180 C. An ""ac"" or temperature modulation method allowed the use of very small single crystal samples. The heat capacity peak for our best sample is rounded in a …
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Fluctuation contributions to the heat capacity of superconducting thin films
… its normal and superconducting states. The heat capacity and electrical resistivity have been measured for a series of amorphous Bismuth-Antimony films of various thicknesses. Mean field theories predict a discontinuous jump in heat capacity at the transition, and this has ""been observed in …
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The Heat Capacity of Ammonium-Chloride Near The Order-Disorder Transition
Made available in DSpace on 2015-05-12T21:41:55Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7013476.PDF: 1850099 bytes, checksum: d15e1e1c376019cdb5a1afbd4a90868d (MD5) Previous issue date: 1969
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Heat Capacity Measurements on Manganese-Dibromide Tetrahydrate Near Its Neel Temperature
Made available in DSpace on 2015-05-12T22:38:40Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7114790.PDF: 2308131 bytes, checksum: 37d3205d28302cf87e96c7bde6369a1d (MD5) Previous issue date: 1970
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The heat capacity of ammonium chloride near the order-disorder transition
… order transition in the model discussed. The heat capacity at constant pressure is measured in the neighborhood of the transition in order to test the predictiors of the theory. An A.C. technique is used to measure the heat capacity of ammonium chloride single crystals, and a discussion of the …
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Heat capacity measurements on manganese dibromide tetrahydrate near its Neel temperature
Heat capacity measurements on very small single crystals of manganese dibromide tetrahydrate have been made using the a.c. or oscillating temperature method. These measurements show rounding in a temperature range of about one millidegree at the Neel temperature (2.l2oK). Outside this region the …
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High resolution heat capacity studies near the nematic-smectic A phase transition
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-20T19:14:36Z No. of bitstreams: 1 1980_legrange.pdf: 2275504 bytes, checksum: c8809627b31d2f6c7fc3caa04b8c1ed1 (MD5)
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Volumetric heat capacity enhancement in ultrathin fluorocarbon polymers for capacitive thermal management
… a micro-calorimeter to measure the volumetric heat capacity of nanometer scale thin uorocarbon polymer lms. The storage density increases approximately three times as the lm thickness decreases from 27 nm to 12 nm. Using the Debye theory of phonons, we relate this behavior to an increase in the …
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Construction and calibration of equipment for obtaining heat capacity data at high temperatures
<p>This is a study of the heat capacity substances at high temperatures at determined by means of drop-calorimetry. The heat capacity may be defined as the quantity of heat required to raise the temperature of a substance by 1<sup>o</sup> C. This can be expressed as [see PDF file for formula]. The …
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Heat capacity and heat of dissociation of methane hydrates: a new approach, The
Includes bibliographical references (pages 124-127).
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Thermal expansion, heat capacity and structural relaxation measurements in the glass transition region.
Massachusetts Institute of Technology. Dept. of Metallurgy. Thesis. 1966. Sc.D.
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Heat Capacity Measurements of Two -Dimensional and Three-Dimensional Self -Assembled Monolayers Using Nanocalorimetry
Finally, some preliminary experiments on oligo(ethylene glycol) (OEG) terminated alkanethiols and 2D SAMs on silver substrate are also presented.
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Analysis of the heat capacity results of antiferromagnetic compounds and compounds which exhibit rotation.
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemistry, 1965
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Heat Capacity of Dilute Solutions of Liquid Helium-3 in Helium-4 at Low Temperatures
Made available in DSpace on 2015-05-12T21:41:39Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6706713.PDF: 2474093 bytes, checksum: c079e6805d73f54267ed39529186e360 (MD5) Previous issue date: 1966
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The doping and magnetic field dependence of the heat capacity of yttrium barium copper oxide superconductors
… is a rapid decrease of the amplitude of the heat capacity anomaly with the reduction of the oxygen content and 2) the magnitude of the fluctuation effects near the superconducting transition temperature is also sharply decreased upon the removal of oxygen and, hence, the transition …
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Measurements of the Molar Heat Capacity and the Molar Excess Enthalpy for Various Alkanolamines in Aqueous Solutions
… purpose of this study is to determine the molar heat capacity (Cp) and molar excess enthalpy for 4-Ethylmorpholine, 2-(Isopropylamino)ethanol, 2-(Diisopropylamino)ethanol, 3-Dimethylamino-1-propanol(3-DEAP), and1-Dimethylamino-2-propanol (1-DEAP) in aqueous solutions by means of a C80 heat flow …
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Thermochemical properties of c3 to c5 unsaturated carbonyl alkenes: enthalpies of formation, entropy, heat capacity, bond enthalpy
… bio related environments. Enthalpy, entropy, and heat capacity of unsaturated alkene molecules, and radicals corresponding to hydrogen atom loss from the parent stable molecules are determined in this study. Structures and enthalpies of formation ([Delta]fH 298) are determined for series of …
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Heat capacity of dilute solutions of liquid He[superscript 3] in He[superscript 4] at low temperatures
Heat capacity measurements were made on two dilute solutions of 1iquid He3 in He4. These data, taken under saturated vapor o 0 pressure at temperatures between .005 K and .20 K, are characteristic of an ideal Fermi gas with m'l'< dependent only slightly on concentration. The solution with a molar …
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