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Showing 1 to 12 of 9870 entries
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Cooperation learning of flip teaching style on the MBA mathematics education efficiency

flipped classroom

Li YB.
GSID: XAsPkeNXYRkJ
YB Li, WZ Zheng, F Yang - Eurasia Journal of Mathematics, Science and …, 2017 - ejmste.com

This study aims to discuss the effects of flipped teaching supported cooperative learning on MBA students' learning achievement, attitudes toward technology, cooperative learning …

An efficient method to separate Sc3N@C80 Ih and D5h isomers and Sc3N@C78 by selective oxidation with acetylferrocenium [Fe(COCH3C5H4)Cp]+.

Chemistry (Weinheim an der Bergstrasse, Germany)

Cerón MR, Li FF, Echegoyen L.
PMID: 23576321
Chemistry. 2013 Jun 03;19(23):7410-5. doi: 10.1002/chem.201204219. Epub 2013 Apr 10.

Based on the different oxidation potentials of endohedral fullerenes Sc3N@C80 Ih and D5h and Sc3N@C78, an efficient and useful method that avoids HPLC has been developed for their separation. Selective chemical oxidation of the Sc3N@D5h-C80 isomer and Sc3N@C78 by...

Identification of adsorbed molecules via STM tip manipulation: CO, H₂O, and O₂ on TiO₂ anatase (101).

Physical chemistry chemical physics : PCCP

Setvin M, Daniel B, Aschauer U, Hou W, Li YF, Schmid M, Selloni A, Diebold U.
PMID: 25186563
Phys Chem Chem Phys. 2014 Oct 21;16(39):21524-30. doi: 10.1039/c4cp03212h. Epub 2014 Sep 04.

While Scanning Tunneling Microscopy (STM) has evolved as an ideal tool to study surface chemistry at the atomic scale, the identification of adsorbed species is often not straightforward. This paper describes a way to reliably identify H2O, CO and...

Effects of high glucose on expression of OPG and RANKL in rat aortic vascular smooth muscle cells.

Asian Pacific journal of tropical medicine

Chang HJ, Li TF, Guo JL, Lan YL, Kong YQ, Meng X, Ma XJ, Lu XL, Lu WY, Zheng SJ.
PMID: 25902163
Asian Pac J Trop Med. 2015 Mar;8(3):209-13. doi: 10.1016/S1995-7645(14)60317-5.

OBJECTIVE: To explore effect of high glucose on expression of osteoprotegerin (OPG) and receptor activator of NF- κ B ligand (RANKE) in rat aortic vascular smooth muscle cells.METHODS: SD rats were intraperitoneally injected with streptozotocin, OPG and RANKL expression...

Topological insulators with SU(2) Landau levels.

Physical review letters

Li Y, Zhang SC, Wu C.
PMID: 24237548
Phys Rev Lett. 2013 Nov 01;111(18):186803. doi: 10.1103/PhysRevLett.111.186803. Epub 2013 Oct 30.

We construct continuum models of 3D and 4D topological insulators by coupling spin-1/2 fermions to an SU(2) background gauge field, which is equivalent to a spatially dependent spin-orbit coupling. Higher dimensional generalizations of flat Landau levels are obtained in...

[High Precision Spectral Calibration Method of Fourier Interferometric Spectrometer].

Guang pu xue yu guang pu fen xi = Guang pu

Lin J, Shao J, Song CY, Li YW, Lei YF.
PMID: 26964245
Guang Pu Xue Yu Guang Pu Fen Xi. 2015 Dec;35(12):3534-7.

The Fourier interferometric spectrometer (FIS) acquires the interference data information of the spectrum and during the spectrum data processing, a series of spectrum reconstruction will be performed on the interference information to obtain the final spectrum information data. The...

New Labdane diterpenes from Hedychium yunnanense with cytotoxicity and inhibitory effects on nitric oxide production.

Natural product research

Li YP, Zhao SM, Xu JJ, Zeng GZ, Li Y, Tan NH, Yang Y.
PMID: 26965832
Nat Prod Res. 2016 Dec;30(23):2669-2674. doi: 10.1080/14786419.2016.1143829. Epub 2016 Mar 11.

Two new labdane diterpenes, hedychenoids A (1) and B (2), were isolated from the rhizomes of Hedychium yunnanense, together with four known ones hedychenone (3), forrestin A (4), villosin (5) and calcaratarin C (6). Their structures were determined on...

Anti-Programmed Cell Death (PD)-1 Immunotherapy for Malignant Tumor: A Systematic Review and Meta-Analysis.

Translational oncology

Chen R, Peng PC, Wen B, Li FY, Xie S, Chen G, Lu J, Peng Z, Tang SB, Liang YM, Deng X.
PMID: 26947879
Transl Oncol. 2016 Feb;9(1):32-40. doi: 10.1016/j.tranon.2015.11.010.

This systematic review and meta-analysis evaluated anti-programmed cell death (PD)-1 immunotherapy (nivolumab or pembrolizumab) for overall efficacy, safety, and effective dose relative to standard chemotherapy or other conventional drugs in the treatment of malignant tumors. We searched the following...

Experimental Trapped-ion Quantum Simulation of the Kibble-Zurek dynamics in momentum space.

Scientific reports

Cui JM, Huang YF, Wang Z, Cao DY, Wang J, Lv WM, Luo L, Del Campo A, Han YJ, Li CF, Guo GC.
PMID: 27633087
Sci Rep. 2016 Sep 16;6:33381. doi: 10.1038/srep33381.

The Kibble-Zurek mechanism is the paradigm to account for the nonadiabatic dynamics of a system across a continuous phase transition. Its study in the quantum regime is hindered by the requisite of ground state cooling. We report the experimental...

Molecular recircumscription of Broussonetia (Moraceae) and the identity and taxonomic status of B. kaempferi var. australis.

Botanical studies

Chung KF, Kuo WH, Hsu YH, Li YH, Rubite RR, Xu WB.
PMID: 28510194
Bot Stud. 2017 Dec;58(1):11. doi: 10.1186/s40529-017-0165-y. Epub 2017 Feb 21.

BACKGROUND: Despite being a relatively small genus, the taxonomy of the paper mulberry genus Broussonetia remains problematic. Much of the controversy is related to the identity and taxonomic status of Broussonetia kaempferi var. australis, a name treated as a...

Macrodeformation Twins in Single-Crystal Aluminum.

Physical review letters

Zhao F, Wang L, Fan D, Bie BX, Zhou XM, Suo T, Li YL, Chen MW, Liu CL, Qi ML, Zhu MH, Luo SN.
PMID: 26943543
Phys Rev Lett. 2016 Feb 19;116(7):075501. doi: 10.1103/PhysRevLett.116.075501. Epub 2016 Feb 17.

Deformation twinning in pure aluminum has been considered to be a unique property of nanostructured aluminum. A lingering mystery is whether deformation twinning occurs in coarse-grained or single-crystal aluminum at scales beyond nanotwins. Here, we present the first experimental...

A Bulky Disulfoxide Ligand for Pd-Catalyzed Oxidative Allylic C-H Amination with 2,2,2-Trichloroethyl Tosyl Carbamate.

The Journal of organic chemistry

Li YG, Li L, Yang MY, He G, Kantchev EAB.
PMID: 28421757
J Org Chem. 2017 May 05;82(9):4907-4917. doi: 10.1021/acs.joc.6b03089. Epub 2017 Apr 26.

Challenging substrates and conditions in homogeneous catalysis pose stringent demands on the ligands used. A novel, bulky, 1-adamantyl-substituted disulfoxide ligand designed after a systematic evaluation of the electronic and steric properties of disulfoxide substituents permits the allylic oxidative C-N...

Showing 1 to 12 of 9870 entries