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Epitaxy of advanced nanowire quantum devices | Nature

Epitaxy of advanced nanowire quantum devices | Nature

Aug 24, 2017 Sacrificial layer deposition microwave oxygen plasma (10 min, 200 ml min −1, power 100 W, PVA Tepla 300); PECVD 20 nm SiO x deposition (300 C, Oxford Instruments PlasmaLab 80 Plus); oxygen ...

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Beam-powered propulsion - Wikipedia

Beam-powered propulsion - Wikipedia

Beam-powered propulsion, also known as directed energy propulsion, is a class of aircraft or spacecraft propulsion that uses energy beamed to the spacecraft from a remote power plant to provide energy. The beam is typically either a microwave or a laser beam and it is either pulsed or continuous. A continuous beam lends itself to thermal rockets, photonic thrusters and light …

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Frontier - Oak Ridge Leadership Computing Facility

Frontier - Oak Ridge Leadership Computing Facility

Exascale is the next level of computing performance. By solving calculations five times faster than today’s top supercomputers—exceeding a quintillion, or 10 18, calculations per second—exascale systems will enable scientists to develop new technologies for energy, medicine, and materials.The Oak Ridge Leadership Computing Facility will be home to one of America’s first …

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Fusion power - Wikipedia

Fusion power - Wikipedia

Fusion power is a proposed form of power generation that would generate electricity by using heat from nuclear fusion reactions.In a fusion process, two lighter atomic nuclei combine to form a heavier nucleus, while releasing energy. Devices designed to harness this energy are known as fusion reactors. Fusion processes require fuel and a confined environment with sufficient …

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Author Guidelines - American Chemical Society

Author Guidelines - American Chemical Society

Jan 21, 2022 Microwave Experiments. Reports of syntheses conducted in microwave reactors must clearly indicate: Type of reaction vessel(s) and if sealed or open; The manufacturer and model of the reactor . Record the method of monitoring the reaction mixture temperature, and the temperature-time profile.

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Assessing the feasibility of chemical recycling via steam ...

Assessing the feasibility of chemical recycling via steam ...

Mar 15, 2022 The reactor effluent is sampled online, i.e., during operation, at high temperature (350 C) in order to avoid condensation of heavy steam cracking products. Via a valve-based sampling system and uniformly heated transfer lines, a gaseous sample of the reactor effluent is injected onto the GC GC-FID unit.

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Chemical Engineering Journal Latest Journal Impact IF 2021 ...

Chemical Engineering Journal Latest Journal Impact IF 2021 ...

Mar 25, 2022 Chemical Engineering Journal Latest Journal's Impact IF 2021-2022 is 13.273. More IF Trend, Prediction, Ranking & Key Factor Analysis.

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Degradation Rates of Plastics in the Environment | ACS ...

Degradation Rates of Plastics in the Environment | ACS ...

Plastic waste is currently generated at a rate approaching 400 Mt year–1. The amount of plastics accumulating in the environment is growing rapidly, yet our understanding of its persistence is very limited. This Perspective summarizes the existing literature on environmental degradation rates and pathways for the major types of thermoplastic polymers. A metric to harmonize …

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(PDF) Quantitative Chemical Analysis 7E Daniel C. Harris ...

(PDF) Quantitative Chemical Analysis 7E Daniel C. Harris ...

Quantitative Chemical Analysis 7E Daniel C. Harris

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Press Releases - United States Department of State

Press Releases - United States Department of State

Secure .gov websites use HTTPS. A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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Organic Chemistry Frontiers - Royal Society of Chemistry

Organic Chemistry Frontiers - Royal Society of Chemistry

The author should indicate the types of glassware and how they are equipped. The types and parameters of any equipment (for example, microwave reactor, glove box, mass spectrometer, etc) should also be listed when they are able to affect the reproducibility of the reactions. A photo of the complete apparatus should be provided.

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Discover 2.0 - Microwave Synthesizer - CEM Corporation

Discover 2.0 - Microwave Synthesizer - CEM Corporation

The Discover 2.0 is the best microwave synthesizer for organic and inorganic synthetic chemistry. Featuring the widest range of pressurized vessels for a single-mode microwave cavity and intuitive software with a 10 touchscreen interface. The Discover 2.0 also comes with a complete range of accessories including autosamplers, subambient chemistry, gaseous …

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Furfural - an overview | ScienceDirect Topics

Furfural - an overview | ScienceDirect Topics

The furfural production is not new, it is one of the oldest renewable chemicals produced by the human, owing to it is a coproduct of fermentation during ethanol production (Peters, 1936).The first record about a selective production of furfural date from the year 1831, when Dobereiner isolate furfural for first time, afterward Fownes in 1845 produced furfural through degradation …

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