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Showing 25 to 36 of 42158 entries
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Adolescents' beliefs about math ability and their relations to STEM career attainment: Joint consideration of race/ethnicity and gender

stem intervention research

Alfaro EC, Seo E, Shen Y.
GSID: LgBW9wdL9GsJ
E Seo, Y Shen, EC Alfaro - Journal of youth and adolescence, 2019 - Springer

Much of the workforce demand in science, technology, engineering, and mathematics (STEM) in the United States goes unmet, and females and racial/ethnic minorities are vastly underrepresented in these fields. To understand the psychological antecedents for STEM career attainment, this...

(HBCU) Light Localization and Switching with Photonic Defects and Surfaces

HBCU broadening

Chen Z.
GSID: d_jZ2i4-QdAJ
Z Chen, SAN FRANCISCO STATE UNIV CA - 2012 - apps.dtic.mil

The primary objective of this project is to develop research programs at the frontier of nonlinear opticsphotonics that could lead to fundamental understandings in scientific knowledge as …

Determining auditory brain stem response threshold using an adaptive stimulus selection procedure

Research training stem

Petersen EA, Shen Y.
GSID: Y551NvoV6joJ
EA Petersen, Y Shen - The Journal of the Acoustical Society of …, 2022 - researchgate.net

… Data: red; model prediction: thick grey; model prediction at the stimuli used in model training: thick black; initialization stimuli: arrows. Frequencies are arranged in panels. …

Intraoperative neuromonitoring: lessons learned from 32 case events in 2095 spine cases.

Evidence-based spine-care journal

Eager M, Jahangiri F, Shimer A, Shen F, Arlet V.
PMID: 23637670
Evid Based Spine Care J. 2010 Aug;1(2):58-61. doi: 10.1055/s-0028-1100917.

STUDY TYPE:  Restrospective chart review Introduction:  Intraoperative neuromonitoring is becoming the standard of care for many more spinal surgeries, especially with deformity correction and instrumentation. We reviewed our institution's neuromonitored spine cases over the past 4 years to see...

β-(Trifluoromethyl)vinyl sulfonium salts: preparation and reactions with active methylene and methenyl compounds.

The Journal of organic chemistry

Lin H, Shen Q, Lu L.
PMID: 21797270
J Org Chem. 2011 Sep 16;76(18):7359-69. doi: 10.1021/jo2009033. Epub 2011 Aug 17.

Two trifluoromethyl-substituted building blocks β-(trifluoromethyl)vinyl sulfonium salts 1 and 2 were developed. Reactions of β-(trifluoromethyl)vinyl sulfonium salt 1 with active methylene compounds containing electron-withdrawing groups using DBU as the base in DMSO occurred to give trifluoromethyl-substituted cyclopropane derivatives 7...

A metal-organic framework with optimized open metal sites and pore spaces for high methane storage at room temperature.

Angewandte Chemie (International ed. in English)

Guo Z, Wu H, Srinivas G, Zhou Y, Xiang S, Chen Z, Yang Y, Zhou W, O'Keeffe M, Chen B.
PMID: 21374770
Angew Chem Int Ed Engl. 2011 Mar 28;50(14):3178-81. doi: 10.1002/anie.201007583. Epub 2011 Mar 04.

No abstract available.

Expanding molecular transition metal cubane clusters of the form [M4(μ3)-O)4]12+: syntheses, spectroscopic and structural characterizations of molecules M4(μ3-O)4(O2P(Bn)2)4(O4), M = V(V) and W(V).

Dalton transactions (Cambridge, England : 2003)

Maass JS, Chen Z, Zeller M, Luck RL.
PMID: 21976014
Dalton Trans. 2011 Nov 21;40(43):11356-8. doi: 10.1039/c1dt11375e. Epub 2011 Oct 06.

Oxidizing the trimer V(3)(μ(3)-O)(O(2))(μ(2)-O(2)P(Bn)(2))(6)(H(2)O) in the presence of excess (t)BuOOH results in V(4)(μ(3)-O)(4)(μ(2)-O(2)P(Bn)(2))(4)(O(4)) and heating W(CO)(6) and bis(benzyl)phosphinic acid in 1:1 EtOH/THF at 120 °C produces W(4)(μ(3)-O)(4)(μ(2)-O(2)P(Bn)(2))(4)(O(4)).

Preparation of supported Mo(2)C-based catalysts from organic-inorganic hybrid precursor for hydrogen production from methanol decomposition.

Chemical communications (Cambridge, England)

Gao Q, Zhang C, Wang S, Shen W, Zhang Y, Xu H, Tang Y.
PMID: 20694268
Chem Commun (Camb). 2010 Sep 21;46(35):6494-6. doi: 10.1039/c0cc01430c. Epub 2010 Aug 09.

An effective and safe route is proposed to prepare supported Mo(2)C-based catalysts from organic-inorganic hybrids, which exhibit high activity and stability for producing H(2) from methanol catalytic decomposition.

Simultaneous utilization of glucose and xylose for lipid production by Trichosporon cutaneum.

Biotechnology for biofuels

Hu C, Wu S, Wang Q, Jin G, Shen H, Zhao ZK.
PMID: 21864398
Biotechnol Biofuels. 2011 Aug 24;4(1):25. doi: 10.1186/1754-6834-4-25.

BACKGROUND: Biochemical conversion of lignocellulose hydrolysates remains challenging, largely because most microbial processes have markedly reduced efficiency in the presence of both hexoses and pentoses. Thus, identification of microorganisms capable of efficient and simultaneous utilization of both glucose and...

First-principles study of the effect of functional groups on polyaniline backbone.

Scientific reports

Chen XP, Jiang JK, Liang QH, Yang N, Ye HY, Cai M, Shen L, Yang DG, Ren TL.
PMID: 26584671
Sci Rep. 2015 Nov 20;5:16907. doi: 10.1038/srep16907.

We present a first-principles density functional theory study focused on how the chemical and electronic properties of polyaniline are adjusted by introducing suitable substituents on a polymer backbone. Analyses of the obtained energy barriers, reaction energies and minimum energy...

How Much Control is Enough for Network Connectivity Preservation and Collision Avoidance?.

IEEE transactions on cybernetics

Chen Z, Fan MC, Zhang HT.
PMID: 25291811
IEEE Trans Cybern. 2015 Aug;45(8):1647-56. doi: 10.1109/TCYB.2014.2357838. Epub 2014 Sep 29.

For a multiagent system in free space, the agents are required to generate sufficiently large cohesive force for network connectivity preservation and sufficiently large repulsive force for collision avoidance. This paper gives an energy function based approach for estimating...

Fabrication of graphene-encapsulated porous carbon-metal oxide composites as anode materials for lithium-ion batteries.

ACS applied materials & interfaces

Tao S, Yue W, Zhong M, Chen Z, Ren Y.
PMID: 24766556
ACS Appl Mater Interfaces. 2014 May 14;6(9):6332-9. doi: 10.1021/am501551h. Epub 2014 May 02.

Porous carbons such as CMK-3 are commonly used as matrices to accommodate metal oxides for the improvement of their electrochemical performance. However, the mesostructure of CMK-3 may be destroyed gradually with the increase of metal oxide content and some...

Showing 25 to 36 of 42158 entries