آخرین محصولات
New 3D Surface Models from Vricon Available through Cesium ion
This 3D Tileset captured by Vricon covers an area of over 60,000 square kilometers in Washington State and is now available on the Cesium ion asset depot. 3D Tilesets of the following seven locations are available to Cesium users - free for non-commercial use for 30 days, until January 6: Caracus, Venezuela. Damascus, Syria.
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Millimeter-level naked-eye detection of Cesium location at solid surface
The NIMS International Center for Materials Nanoarchitectonics (WPI-MANA) has developed a supermolecular material which makes it possible to visualize the distribution of cesium on the surface...
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Characterization of a cesium surface ionization source with a …
A cesium surface ionization source of the type and geometry customarily used in conjunction with sputter‐type negative heavy ion sources has been characterized. Measurements have been made of positive‐ion production and probabilities of ionization as functions of extraction voltage and cesium oven temperature for ionizer porosities of 0.7 …
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Cesium based phasing of macromolecules: a general easy to use …
We investigated the introduction of cesium in form of cesium chloride during the three major steps of protein treatment in crystallography: purification, crystallization, and cryo-protection.
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Cesium based phasing of macromolecules: a general …
We investigated the introduction of cesium in form of cesium chloride during the three major steps of protein treatment in crystallography: purification, …
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Millimeter-level naked-eye detection of Cesium location …
The NIMS International Center for Materials Nanoarchitectonics (WPI-MANA) has developed a supermolecular material which makes it possible to visualize the distribution of cesium on the …
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General filtration bed design for water contaminated with …
A (top, left) Rain gutter filtration bed for Cs-contaminated waters [55-gallon drum, 2.75 ft2 x 2 ft depth rate of up to 44 gal/hr. B (top, right) Vehicle wash filtration bed [600 ft 2 x 1 ft depth (55.7 m x 0.30 m), 70:30 sand:clay by volume] where a tarp was fastened to the façade to direct runoff into the bed. This design was capable of C. (bottom photos) Building façade …
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Cesium Neutral Beam and Surface Oxidation Effects on …
PENLEY, CHRISTOPHER RANDY. Cesium Neutral Beam and Surface Oxidation Effects on SIMS Analysis at Surface of Silicon. (Under the direction of Dr. Dieter P. Griffis.) ... Thus, the use of low dose P implants without any pre or post processing as standards for P dose measurements or other P quantification experiments is problematic.
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Theoretical study of cesium and oxygen activation processes on GaN
Though the interaction mechanism of Cs and GaN surface has been studied experimentally, theoretical study of cesium and oxygen activation process on GaN (0001) surface is still necessary. In this paper, the plane-wave ultrasoft pseudopotential method based on density functional theory (DFT) is used to study the adsorption of cesium and …
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Surface Engineering of Ambient-Air-Processed Cesium Lead Triiodide
As an alternative to MHWPs, all-inorganic cesium lead triiodide (CsPbI 3) has recently attracted the attention of researchers owing to its high thermal stability, lack of halide segregation, anti-solvent free synthesis process, and high potential possibilities for efficiency improvement. 10, 11, 12 CsPbI 3 presents various phases, such as α ...
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Surface Ionization
Cesium ion beam intensity I + versus extraction voltage V ex for a porous-tungsten-type cesium-surface-ionization source. Porosity, ρ = 0.8 ρ 0 [213] . An alternative to porous-tungsten-ionizer-type sources is to directly ionize a volatile vapor as it comes in contact with a hot, high-work-function surface [see, for example, Figures 46b and ...
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Characterization of a cesium surface ionization source with a …
A cesium surface ionization source of the type and geometry customarily used in conjunction with sputter‐type negative heavy ion sources has been characterized. …
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Formation of the Cs/GaAs (001) interface: Work function, cesium
The cesium sticking coefficient is reduced by a factor of 2. Comparison with results obtained on As-decapped GaAs(001) shows the similarity of the formation of the interface for the two surfaces. However, the results are clearer for the surface prepared by sulfide passivation, which seems to be of higher quality.
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Radionuclide Basics: Cesium-137 | US EPA
Cesium (chemical symbol Cs) is a soft, flexible, silvery-white metal that becomes liquid near room temperature, but easily bonds with chlorides to create a crystalline powder. The most common radioactive form of cesium is Cs-137. Cesium-137 is produced by nuclear fission for use in medical devices and gauges.
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Decontamination of actual radioactive wastewater containing …
When the acidity increased, the H + ions increased, competing with the 137 Cs ions on the surface of the clay. On the other hand, the high alkalinity creates cesium complexes, such as Cs (OH 2) −, which are repulsed by the surface and force the cesium to desorption. This result agrees with the conclusion of the pH investigation by Galambos …
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Separation and recovery of cesium sulfate from the leach solution
A crystallization-roasting-dissolution-solvent extraction process was developed to recover cesium from the leach solution in this study. During crystallization, leach solution was cooled from 85 ...
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Surface Engineering of Ambient-Air-Processed Cesium …
As an alternative to MHWPs, all-inorganic cesium lead triiodide (CsPbI 3) has recently attracted the attention of researchers owing to its high thermal stability, lack …
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Cesium Data Sheet
produce a variety of cesium compounds and cesium metal. The primary application for cesium, by gross weight, is in cesium formate brines used for high-pressure, high …
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Cesium Processing | Equipment, Process Flow, Cases
Most cesium is processed from the mineral pollucite, which is found in pegmatites. Pollucite mining is a very small scale and selective process. The United States has low-grade deposits of cesium ore in South Dakota and Maine, which are currently not economical to mine.
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Surface cesium concentrations in cesium‐ion
Surface cesium concentrations in cesium‐ion‐bombarded elemental and compound targets | Journal of Vacuum Science and Technology | AIP Publishing Auger electron spectrometry has been used to characterize the atomic cesium concentration [Cs]a at the surface of cesium ion bombarded silicon and various metal Skip to Main Content …
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Visualizing Switzerland's Geological Resources with Cesium's …
Seeing the world below The Federal Office of Topography swisstopo wanted to show not just what was above ground in Switzerland, but what was below ground as well. So in collaboration with Camptocamp, we added support for underground visualization to the CesiumJS 1.70 release.
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Cesium Processing | Equipment, Process Flow, …
Most cesium is processed from the mineral pollucite, which is found in pegmatites. Pollucite mining is a very small scale and selective process. The United States has low-grade deposits of cesium ore in …
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Cesium
world demand. The mining and processing of cesium minerals are on such a small scale that environmental hazards or damage caused by the production of cesium are minimal. Historical Background Cesium, which was the first element discovered by using emission spectroscopy, was detected in water
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Adsorption of cesium on cement mortar from aqueous solutions
The cesium surface concentration as a function of time at room temperature (294 K) is shown in Fig. 1. As expected, the adsorption process initially went rapidly and then continued at a slower rate until equilibrium was achieved. The mass of adsorbed cesium at equilibrium depended on the initial cesium concentration.
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Cesium Data Sheet
produce a variety of cesium compounds and cesium metal. The primary application for cesium, by gross weight, is in cesium formate brines used for high-pressure, high-temperature well drilling for oil and gas production and exploration. Cesium metal is used in the production of cesium compounds and potentially in photoelectric cells. Cesium ...
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Surface cesium concentrations in cesium‐ion
Surface cesium concentrations in cesium‐ion‐bombarded elemental and compound targets | Journal of Vacuum Science and Technology | AIP Publishing Auger …
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Drastic Change of Surface Morphology of Cesium
Request PDF | Drastic Change of Surface Morphology of Cesium–Formamidinium Perovskite Solar Cells by Antisolvent Processing | Antisolvent method is one of the most common and efficient ...
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Radionuclide Basics: Cesium-137 | US EPA
Cesium (chemical symbol Cs) is a soft, flexible, silvery-white metal that becomes liquid near room temperature, but easily bonds with …
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Cesium Lead Chloride/Bromide Perovskite Quantum Dots
Request PDF | Cesium Lead Chloride/Bromide Perovskite Quantum Dots with Strong Blue Emission Realized via a Nitrate-Induced Selective Surface Defect Elimination Process | Cesium lead halide ...
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Surface Engineering of Ambient-Air-Processed …
High-efficiency CsPbI3 solar cells were fabricated by combining the formation of dense thin films with minimal pinhole and surface passivation. Control of the crystallization process from the …
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