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Displaying 2601 - 2625 of 3843

Detection of l-C3H+ in Sgr B2(N) and Sgr B2(OH) and Refinement of its Spectroscopic Constants via the Publicly Available PRIMOS Survey and the Barry E. Turner Legacy Survey

September 1, 2013

Author(s)

Francis J. Lovas, Brett A. McGuire, P. B. Carroll, Ryan A. Loomis, Geoffery A. Blake, Jan M. Hollis, Phillip R. Jewell, Anthony J. Remijan

… interstellar molecule, ion, molecular clouds, radio astronomy, spectral analysis, …

Stable Field Emission from Nanoporous Silicon Carbide

February 15, 2013

Author(s)

Myung Gyu Kang, Henri Lezec, Fred Sharifi

… Silicon Carbide, Electrochemical Etching, Focused Ion Beam …

Long-term stability of metal-envelope enclosed ionization gauges

December 1, 2012

Author(s)

James A. Fedchak, Dana R. Defibaugh

… gauge, calibration, stability, vacuum measurement, ion-gauge pumping speed …

Review of the 3rd Non-LTE Code Comparison Workshop

May 31, 2005

Author(s)

Y Ralchenko, R W. Lee, C Bowen

… ion population, non-LTE, plasma emission, plasma kinetics, …

Quantitative Measurement of Arsenic Implant Dose by SIMS

January 1, 2005

Author(s)

David S. Simons, P Chi, K J. Kim

… arsenic, depth-profiling, ion implant, round-robin study, silicon, SIMS …

Comprehensive Data Evaluation Methods Used in Developing the SWGDRUG Mass Spectral Reference Library for Seized Drug Identification

October 8, 2024

Author(s)

Weihua Ji, William Wallace

The mass spectral library of the Scientific Working Group for the Analysis of Seized Drugs (SWGDRUG) is the most comprehensive free reference database of its kind in the world. It provides reliable mass spectra for identification of seized drugs, their

Topological Hall Effect Induced by Chiral Fluctuations in ErMn6Sn6

September 24, 2024

Author(s)

Kyle Fruhling, Alenna Streeter, Sougata Mardanya, Xiaoping Wang, Priya Baral, Oksana Zaharko, Igor Mazin, Sugata Chowdhury, William Ratcliff, Fazel Tafti

… between Mn kagome layers. In YMn6Sn6, the rare-earth ion Y3+ is nonmagnetic. When it is replaced by a magnetic ion (Gd3+ − Ho3+), the intrinsically antiferromagnetic Mn-Mn …

Rapid GC-MS as a Screening Tool for Forensic Fire Debris Analysis

July 6, 2022

Author(s)

Briana Capistran, Edward Sisco

… compounds in both liquids were identified using the total ion chromatograms, relevant extracted ion profiles, and deconvolution methods. …

Dynamically Preferred State with Strong Electronic Fluctuations from Electrochemical Synthesis of Sodium Manganate

February 2, 2022

Author(s)

Xi Chen, Yichao Wang, Yiping Wang, Rebecca Dally, Kamila Wiaderek, Tianyu Qiao, Jue Liu, Enyuan Hu, Kenneth Burch, Jeffrey W. Lynn, Xin Li

… is a delicate method to precisely control the alkaline ion composition in alkaline transition metal oxides. Due to …

Detection of fuel-oxidizer explosives utilizing portable capillary electrophoresis with wipe- based sampling

June 20, 2020

Author(s)

Shannon T. Krauss, Thomas Forbes, Jeffrey A. Lawrence, John G. Gillen, Jennifer R. Verkouteren

… gas‐phase separation and detection instrumentation such as ion mobility spectrometry (IMS), an automated liquid …

Nanocomposite Electrolytes for Lithium Batteries with Reduced Flammability

March 21, 2018

Author(s)

Mauro Zammarano, Apostolos Enotiadis, Nikhil Fernandes, Natalie A. A. Becerra, Emmanuel P. Giannelis

We report a family of flame-retardant electrolytes for lithium batteries based on ionic nanocomposites. The nanocomposites are synthesized in one pot by dispersing SiO2 nanoparticles charge-balanced by both Li ions and mono-amino-terminated polyether (PEO

Relaxation behavior by time-salt and time-temperature superposition of polyelectrolyte complexes from coacervate to precipitate

January 18, 2018

Author(s)

Samim Ali, Vivek Prabhu

… depending on the strength and relaxation properties of ion-pairs that formed between oppositely-charged sites. … model indicates that the relaxation mechanism of ion-pairs remains self- similar across the transition zone. …

Qualitative characterization of SRM 1597a Coal Tar for polycyclic aromatic hydrocarbons and methyl-substituted derivatives via normal-phase liquid chromatography and gas chromatography/mass spectrometry

June 29, 2017

Author(s)

Walter Wilson, Hugh Hayes, Lane Sander, Andres Campiglia, Stephen Wise

… reference standards, and the predominant molecular ion peak in the mass spectrum. Most noteworthy was the … of 74 PAHs and 117 MePAHs based on the molecular ion peak only. This study represents the most comprehensive …

Structure of Polyelectrolyte Brushes in the Presence of Multivalent Counterions

August 9, 2016

Author(s)

Jing Yu, Jun Mao, Guangcui Yuan, Sushil K. Satija, Zhang Jiang, Wei Chen, Matthew Tirrell

… affecting the structure of PSS brushes, show strong ion specific effects that are related to the specific … brushes. The results also highlight the importance of ion specificity to the structure of polyelectrolyte brushes …

Chloride Incorporation Process in CH3NH3PbI3-xClx Perovskites via Nanoscale Bandgap Maps

December 9, 2015

Author(s)

Jungseok Chae, Qingfeng Dong, Jinsong Huang, Andrea Centrone

CH3NH3PbI3-xClx perovskites enable fabrication of highly efficient solar cells. Chloride ions benefit the morphology, carrier diffusion length and stability of perovskite films; however, whether those benefits stem from the presence of Cl- in the precursor

Cell Adhesion to Borate Glasses by Colloidal Probe Microscopy

August 1, 2011

Author(s)

Sheldon M. Wiederhorn, Carl G. Simon Jr., Young-Hun Chae

The adhesion of Osteoblast-like cells to silicate and borate glasses was measured using colloidal probe microscopy in a cell growth medium. The probe consisted of silicate and borate glass spheres, 25 µm to 50 µm in diameter, attached to the tip of an

Amorphous Calcium Phosphate-Based Bioactive Polymeric Composites for Mineralized Tissue Regeneration

June 1, 2003

Author(s)

Drago Skrtic, Joseph M. Antonucci, E D. Eanes

… of the resin matrices on the mechanical strength and ion-releasing properties of the composites, and d) improving …

Morphological Characterization of Blends of Metal-Sulfonated Poly(styrene) and a Methylated Poly(amide) by Solid State NMR

January 1, 2000

Author(s)

David L. VanderHart, Y Feng, Charles C. Han, Robert A. Weiss

Various blends of atactic, low-MW ({approximately} 4000), metal-sulfonated poly(styrene) (MSPS) and a higher-MW ({approximately} 25,000) poly(amide) (PA) were studied by solid-state 13C and proton NMR techniques which include multiple-pulse irradiation

An In-Situ Neutron Diffraction and DFT Study of Hydrogen Adsorption in a Sodalite-Type Metal-Organic Framework, Cu-BTTri

February 28, 2019

Author(s)

Mehrdad Asgari, Rocio Semino, Pascal A. Schouwink, Ilia Kochetygov, Olga Trukhina, Jacob D. Tarver, Safak Bulut, Shuliang Yang, Michele Ceriotti, Craig Brown, Wendy L. Queen

… An In-Situ Neutron Diffraction and DFT Study of Hydrogen Adsorption in a Sodalite-Type Metal-Organic …

Premixed carbon monoxide-nitrous oxide-hydrogen flames ::measured and calculated burning velocities with and without Fe(CO)5

January 1, 1999

Author(s)

Gregory T Linteris, Marc D Rumminger, Valeri Babushok

… Premixed carbon monoxide-nitrous oxide-hydrogen flames ::measured and calculated burning velocities …

Surface roughening during plasma enhanced chemical-vapor deposition of hydrogenated amorphous silicon on crystal silicon substrates

January 1, 1997

Author(s)

D M. Tanenbaum, A L. Laracuente, A Gallagher

… during plasma enhanced chemical-vapor deposition of hydrogenated amorphous silicon on crystal silicon substrates …

Vibrationally excited hydrogen halides ::a bibliography on chemical kinetics of chemiexcitation and energy transfer processes (1958 through 1973)

January 1, 1974

Author(s)

Francis Westley

… Vibrationally excited hydrogen halides ::a bibliography on chemical kinetics of …

Electron-Enhanced Atomic Layer Deposition (EE-ALD) of Boron Nitride Thin Films at Room Temperature and 100degC

March 29, 2018

Author(s)

Alexana Roshko, Jaclyn Springer, Steven M. George, Andrew S. Cavanagh, Huaxing Sun, Paul T. Blanchard

… and electrons. Electron stimulated desorption (ESD) of hydrogen surface species and the corresponding creation of … exposures as expected for an ALD process. The calculated hydrogen ESD cross section was σ = 3.9 x 10-14 cm2. Ex situ …

JY1 Time Scale: a New Kalman-Filter Time Scale Designed at NIST

October 17, 2017

Author(s)

Jian Yao, Thomas E. Parker, Judah Levine

… We report on a new Kalman-filter Hydrogen-maser time scale (i.e., JY1 time scale) designed at NIST. The JY1 time scale is composed of a few Hydrogen masers and a Cs clock. The Cs clock is used as a …

The development of a new Kalman-filter time scale at NIST

January 31, 2017

Author(s)

Jian Yao, Thomas E. Parker, Judah Levine

… We report on a preliminary design of a new Kalman-filter Hydrogen-maser time scale at NIST. The time scale is composed of a few Hydrogen masers and a Cs clock. The Cs clock is used as a …

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