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Displaying 426 - 450 of 1415

Microwave-Based Structure and Four-Simensional Morphed Intermolecular Potential for HI-CO 2

October 12, 2021
Author(s)
Wolfgang Jabs, Fabrice Willaert, Blake McElmurry, Luis Rivera-Rivera, Raffaele Montuoro, R R. Lucchese, J W. Bevan, R D. Suenram
… and away from the HI moiety, respectively. Only btype Ka=1 0 transitions were observed. Spectral analysis provided … had two equivalent global minima with a well depth of 457(14) cm-1 characterized by a planar quasi T-shaped structure … a secondary minimum is present with a well depth of 405(14) cm-1 with a planar quasi T-shaped structurewith the …

Thermally stable cross-linked P84 with Superior Membrane H2/CO2 separation properties at 100 oC

January 6, 2019
Author(s)
Maryam Omidvar, Christopher Stafford, Haiqing Lin
… that commercial P84TM can be chemically cross-linked using 1,4-butanediamine (BuDA) to achieve robust H2/CO2 separation … by BuDA for 6 h exhibits a H2 permeability of 28 Barrers (1 Barrer = 3.35 × 10-16 mol m/m2·s·Pa) and H2/CO2 selectivity of 14 at 100 oC, which is on the Robeson's upper bound, …

Analysis of Several High-Resolution Bands of Spiropentane, C5H8

June 15, 2015
Author(s)
Alfons Weber, A. Maki, J. E. Price, Jared Harzan, J. W. Nibler, T. Masiello, T Blake
… absorption spectrum of spiropentane (C5H8) from 200 cm-1 to 4000 cm−1 has been measured and a detailed analysis is presented for eight bands in the region from 700 cm−1 to 2200 cm−1. Two fundamental perpendicular bands were …

A Sensitive Very Large Array Search for Small-Scale Glycine Emission Toward OMC-1

May 1, 2003
Author(s)
J M. Hollis, J A. Pedelty, Lewis E. Snyder, P R. Jewell, Francis J. Lovas, Patrick Palmer, S Y. Liu
… to 7 mm) search with the Very Large Array (VLA) toward OMC-1 for the lowest energy conformation ( conformer I) of … (NH2CH2COOH) in four rotational transitions: 6(15)-5(14), 6(24)-5(23), 7(17)-6(16), and 7(07)-6(06). Our VLA … In the course of this work, we detected and imaged the 4(14)-3(13) A and E transitions of methyl formate (HCOOCH3) and …

1,2-Pentadiene Decomposition

November 1, 2001
Author(s)
J Herzler, Jeffrey A. Manion, Wing Tsang
… 1,2-Pentadiene has been decomposed in single pulse shock tube … {arrow} 1,3-pentadiene(cis & trans)) = 1.1x10 14 exp(-33290 900K/T) s -1 k(1,2-pentadiene {arrow} … found to bek(1,3-pentadiene {arrow} 1,2-pentadiene) = 8x10 14 exp(-42183 900 K/T) s -1 The significance of the 1,3 to …

Impact of timing on the Proximity Services (ProSe) synchronization function

January 8, 2017
Author(s)
Samantha Gamboa Quintiliani, Fernando Cintron, David W. Griffith, Richard A. Rouil
Long Term Evolution Advanced (LTE-A) introduces a new feature called Proximity Services (ProSe), which enables device-to-device (D2D) communication between User Equipment (UE) and the capability to operate out-of-network. In order to establish a D2D

Exploring Site Quality Above 1 GHz Using Double Ridged Horns

February 1, 2001
Author(s)
Dennis G. Camell, Robert T. Johnk, K. R. Hall
… (ANSI) Accredited Standards Committee C63, Sub-Committee 1,working group 1-13.2 on site requirements for radiated measurements above … standards (e.g. CISPR, ANSI) to frequencies above 1 GHz. The current results of these efforts clearly … Exploring Site Quality Above 1 GHz Using Double Ridged Horns …

Measuring Antennas Above 1 GHz

February 1, 2001
Author(s)
Michael Windler, Dennis G. Camell
… techniques for EMC measurements used with antennas above 1 GHz have been gleaned from methods used at lower … This analysis will compare antennas for use above 1 GHz, showing ramifications from use of each type. Measurement methods used above 1 GHz as well as the effects of antenna parameters such as …

Overview of TREC 2023

May 1, 2024
Author(s)
Ian Soboroff
… Institute of Standards and Technology (NIST) November 14–17, 2023. …

An Efficient Synthesis of Dibenzo[a,l]tetracene and Dibenzo[a,j]tetracene and Their Identification in a Coal Tar Extract

September 8, 2017
Author(s)
Srinivasa Ramisetti, Jorge O. Ona Ruales, Stephen Wise, Shantu Amin, Arun Sharma
… An efficient synthesis of dibenzo[a,l]tetracene (1) and dibenzo[a,j]tetracene (2) has been developed using … in situ generated ortho-quinodimethane with phenanthrene-1,4-dione, followed by reductive aromatization as key steps. … strategy resulted in good overall yield and the mixture of 1 and 2 is easily separable by reversed-phase liquid …
Displaying 426 - 450 of 1415
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