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Showing 1 to 12 of 224 entries
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Traits related to efficient acquisition and use of phosphorus promote diversification in Proteaceae in phosphorus‐impoverished landscapes

STEM and diversification

Cramer MD, Finnegan PM, Hayes PE, Nge FJ.
GSID: ngV4L9VwwsYJ
PE Hayes, FJ Nge, MD Cramer, PM Finnegan, P Fu… - Plant and Soil, 2021 - Springer

… It is also worth noting that diversification rates in this study were derived from stem ages of … for stem-derived diversification rates, but not for genus size (a proxy for crown diversification) …

… responsive positive behavior interventions and supports in middle school classrooms: Narrating the experience of a young classroom teacher who collaborates with …

classroom interventions

Cramer ED, Bennett KD.
GSID: _Z8ZQ2P5GyMJ
ED Cramer, KD Bennett - Middle School Journal, 2015 - Taylor & Francis

… The classroom teacher also will be the primary person giving feedback to students. This feedback should be immediate, positive, and … how we speak in the classroom?” is not the same as telling a student, “You should speak...

Professional Development: Assisting Urban Schools in Making Annual Yearly Progress

after-school interventions

Cramer ED.
GSID: bts4jJQopacJ
ED Cramer, DM Gudwin, M Salazar - Journal of Urban Learning, Teaching …, 2007 - ERIC

Under the No Child Left Behind Act (2002), all schools are required to demonstrate that all students make annual yearly progress (AYP). This can be difficult, particularly for students in …

Calculations of atomic magnetic nuclear shielding constants based on the two-component normalized elimination of the small component method.

The Journal of chemical physics

Yoshizawa T, Zou W, Cremer D.
PMID: 28390341
J Chem Phys. 2017 Apr 07;146(13):134109. doi: 10.1063/1.4979499.

A new method for calculating nuclear magnetic resonance shielding constants of relativistic atoms based on the two-component (2c), spin-orbit coupling including Dirac-exact NESC (Normalized Elimination of the Small Component) approach is developed where each term of the diamagnetic and...

Extraordinary Mechanism of the Diels-Alder Reaction: Investigation of Stereochemistry, Charge Transfer, Charge Polarization, and Biradicaloid Formation.

The journal of physical chemistry. A

Sexton T, Kraka E, Cremer D.
PMID: 26785172
J Phys Chem A. 2016 Feb 25;120(7):1097-111. doi: 10.1021/acs.jpca.5b11493. Epub 2016 Feb 16.

The Diels-Alder reaction between 1,3-butadiene and ethene is investigated from far-out in the entrance channel to the very last step in the exit channel thus passing two bifurcation points and extending the range of the reaction valley studied with...

Correlating the vibrational spectra of structurally related molecules: A spectroscopic measure of similarity.

Journal of computational chemistry

Tao Y, Zou W, Cremer D, Kraka E.
PMID: 29143968
J Comput Chem. 2018 Mar 05;39(6):293-306. doi: 10.1002/jcc.25109. Epub 2017 Nov 16.

Using catastrophe theory and the concept of a mutation path, an algorithm is developed that leads to the direct correlation of the normal vibrational modes of two structurally related molecules. The mutation path is defined by weighted incremental changes...

Re-evaluation of the bond length-bond strength rule: The stronger bond is not always the shorter bond.

Journal of computational chemistry

Kraka E, Setiawan D, Cremer D.
PMID: 26515027
J Comput Chem. 2016 Jan 05;37(1):130-42. doi: 10.1002/jcc.24207. Epub 2015 Oct 29.

A set of 42 molecules with N-F, O-F, N-Cl, P-F, and As-F bonds has been investigated in the search for potential bond anomalies, which lead to reverse bond length-bond strength (BLBS) relationships. The intrinsic strength of each bond investigated...

Superconducting magnetic Wollaston prism for neutron spin encoding.

The Review of scientific instruments

Li F, Parnell SR, Hamilton WA, Maranville BB, Wang T, Semerad R, Baxter DV, Cremer JT, Pynn R.
PMID: 24880360
Rev Sci Instrum. 2014 May;85(5):053303. doi: 10.1063/1.4875984.

A magnetic Wollaston prism can spatially split a polarized neutron beam into two beams with different neutron spin states, in a manner analogous to an optical Wollaston prism. Such a Wollaston prism can be used to encode the trajectory...

Trishomocyclopropenylium Cations. Structure, Stability, Magnetic Properties, and Rearrangement Possibilities.

The Journal of organic chemistry

Szabo KJ, Kraka E, Cremer D.
PMID: 11667114
J Org Chem. 1996 Apr 19;61(8):2783-2800. doi: 10.1021/jo951927y.

Potentially trishomoaromatic cations possessing the 6-X-bicyclo[3.1.0]hex-3-yl (X = CH(2), BH, NH, O) or bicyclo[3.2.0]hept-3-yl unit have been investigated at the Hartree-Fock, second-order, third-order, and fourth-order (single, double, quadruple excitations) Møller-Plesset perturbation level employing the 6-31G(d) basis set. IGLO/6-31G(d) chemical...

4-Oxo-2,3,5,6-tetrafluorocyclohexa-2,5-dienylidene--a highly electrophilic triplet carbene.

Chemistry (Weinheim an der Bergstrasse, Germany)

Sander W, Hübert R, Kraka E, Gräfenstein J, Cremer D.
PMID: 11192090
Chemistry. 2000 Dec 15;6(24):4567-79. doi: 10.1002/1521-3765(20001215)6:24<4567::aid-chem4567>3.0.co;2-a.

The 4-oxocyclohexa-2,5-dienylidenes are an interesting class of highly electrophilic carbenes. We investigated the reactivity of the 2,3,5,6-tetrafluorinated and -tetrachlorinated derivatives 1b and 1c with small molecules under conditions of matrix isolation. The reactions with molecular oxygen and with carbon...

Environmental science in early Georgia.

Bulletin of the Georgia Academy of Science

Cramer HR.
PMID: 11614295
Bull Ga Acad Sci. 1967;25:215-21.

No abstract available.

The ozonolysis of acetylene--a quantum chemical investigation.

Journal of the American Chemical Society

Cremer D, Crehuet R, Anglada J.
PMID: 11414847
J Am Chem Soc. 2001 Jun 27;123(25):6127-41. doi: 10.1021/ja010166f.

The ozonolysis of acetylene was investigated using CCSD(T), CASPT2, and B3LYP-DFT in connection with a 6-311+G(2d,2p) basis set. The reaction is initiated by the formation of a van der Waals complex followed by a [4pi + 2pi] cycloaddition between...

Showing 1 to 12 of 224 entries