Liquid Nitrogen
Unusual Photoluminescence Decay of Porous Silicon Prepared by Rapid Thermal Oxidation and Quenching in Liquid Nitrogen
... FT-IR measurements were also carried out, the results of which are shown in Figs. 5 for PS samples (a): as-anodized, (b): oxidized at 1000 ◦ C in oxygen for 600 s followed by cool- ing down, and (c): oxidized at 1000 ◦ C ...
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A liquid nitrogen-free preconcentration unit for measurements of ambient N 2O isotopomers by QCLAS
... isotopic species at ambient mixing ratios, we built and opti- mized a liquid nitrogen-free preconcentration unit to be cou- pled to a quantum cascade laser (QCL) based spectrometer. During standard ...
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Influence of Desiccation Time on Survival and Regeneration of Embryonic Axes of Groundnut (Arachis hypogaea L ) Immersed in Liquid Nitrogen
... Desiccation rates significantly influenced the extent of water loss of embryonic axes of groundnut, their survival and subsequent shoot formation after storage in liquid nitrogen (Table 2). Nondesiccated ...
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Treatment of multiple warts – efficacy of homologous autoimplantation therapy & comparison of homologous autoimplantion therapy & cryotherapy with liquid nitrogen
... of liquid air (-190°C) for a variety of skin conditions like lupus erythematosus, herpes zoster, chancroid, warts, and epitheliomas 48,49 ...used liquid nitrogen ...
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Comparison of Surgical Blade and Cryosurgery with Liquid Nitrogen Techniques in Treatment of Physiologic Gingival Pigmentation: Short Term Results
... of liquid nitrogen (Oxygen gas Khorakian ...The liquid nitrogen was carried to the department of periodontics in the morning of each surgery ...day. Liquid nitrogen was applied ...
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Exergy Analysis of Liquid Nitrogen Power Cycles
... Abstract. Nitrogen is by-product from cryogenic air separation processes used for oxygen production for metallurgy and oxygen-enriched combustion pur- ...in liquid phase, liquid nitrogen (LN 2 ...
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Nucleate Pool Boiling of Liquid Nitrogen on a Brass Ribbon with Different Positions
... Abstract— The nucleate boiling is a phenomenon of heat transfer which occupies an important place in the industrial sector particularly in the areas of electric power generation and refrigeration, because it enables to ...
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The Linear Thermal Expansion of Bulk Nanocrystalline Ingot Iron from Liquid Nitrogen to 300 K
... Residual strain exists in BNII because BNII was suf- fered from severe rolling during preparation processes [18]. However, LTE of BNII at six measurement directions were less than those of CPII from liquid ...
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Exposure of Common Bean Seeds to Liquid Nitrogen Modifies Mineral Composition of Young Plantlet Leaves
... to liquid nitrogen de- creased Cu, Cd and Na uptake and increased absorption of B and ...to liquid ni- trogen and mineral nutrition during the early stages of plantlet ...
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Integrity of chromatin and replicating DNA in nuclei released from fission yeast by semi automated grinding in liquid nitrogen
... with liquid nitrogen. The liquid nitrogen was replenished as it boiled away, keep- ing the level high to exclude water ...the liquid nitrogen stabilized at a moderate to low ...
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CFD Simulation of Heat Transfer of Liquid Nitrogen in Heat Exchanger
... In this paper two-phase flow heat transfer of liquid nitrogen is investigated using ANSYS CXF module. The plotted results shows temperature variation representing the calculative result profiles. The mass ...
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Experimental and Numerical Study of Pool Boiling Heat Transfer of Liquid Nitrogen LN2: Application to the Brass Ribbon Cooling in Horizontal Position
... the liquid nitrogen temperature and the thermoelectric ...the liquid nitrogen temperature at the beginning and at the end of each manipulations ...
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Capacitive gas-phase detection in liquid nitrogen
... homogenous liquid on the one hand, and the identification of a bubble stream inside a liquid on the other ...inside liquid nitrogen and of a contiguous gaseous volume above the ...a ...
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Single photon emission up to liquid nitrogen temperature from charged excitons confined in GaAs based epitaxial nanostructures
... considered as efficient near-infrared single photon emitters able to operate at liquid nitrogen temperature. The unique structure of CQDs makes it possible to tailor the built-in strain field and the ...
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Product Safety Assessment. Liquid Nitrogen. General
... cryogenic liquid cylinder is an insulated, vacuum-jacketed, pressure ...buildup. Liquid containers operate at pressures up to 350 psig and have capacities between 80 and 450 liters of ...liquid. ...
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Metered Cryospray™: a novel uniform, controlled, and consistent in vivo application of liquid nitrogen cryogenic spray
... interesting to note that the general shape of this graph, with smaller drops occurring near the center and larger drops occurring near the edges, is the opposite of what would be expected from a full-cone, narrow-angle ...
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Crystal Nucleation Behavior Caused by Annealing of SiC Irradiated with Ne at Liquid Nitrogen Temperature or at 573 K
... In our previous study,14 we carried out irradiations to SiC specimens with Ne ions at temperatures from 573 to 673 K, and found that the irradiation with Ne at temperatures well over 573[r] ...
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Liquid Nitrogen Cryotherapy in Management of Oral Lesions
... This C ritique was undert aken to evaluat e the effi cac y of cr yos urger y, as a t reatm ent modali t y in managem ent of beni gn and prem ali gnant oral l esion which is of size greater than 1 cm and to evaluat e t he ...
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Human cadaver multipotent stromal/stem cells isolated from arteries stored in liquid nitrogen for 5 years
... Gene expression analysis per- formed at passage 3 revealed that hC-MSCs constitu- tively expressed high transcripts associated with similar stemness status as SOX2, c-KIT, the two isofor[r] ...
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Absorption of nitrogen from a liquid by pine bark
... General model for prediction of the nitrogen concentration remaining in solution over time from buffered ammonium sulphate solution with different initial nitrogen conce[r] ...
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