Advanced Search
Display options
Filter resources
Text Availability
Article type
Publication date
Species
Language
Sex
Age
Showing 1 to 12 of 3950 entries
Sorted by: Best Match Show Resources per page
Perusing the Past to Propel the Future: A Systematic Review of STEM Learning Activity Based on Activity Theory. Sustainability 2021, 13, 8828

Theoretical frames STEM

Zheng L.
GSID: q0ozeKZLeF8J
JF Gyasi, L Zheng, Y Zhou - 2021 - pdfs.semanticscholar.org

… Through the findings from this review, we confirm that the main goals of STEM activities were achieved through frameworks such as project-based learning, inquiry-based learning, and …

Perusing the Past to Propel the Future: A Systematic Review of STEM Learning Activity Based on Activity Theory

after-school settings

Zheng L.
GSID: IQbrGtrlC6gJ
JF Gyasi, L Zheng, Y Zhou - Sustainability, 2021 - mdpi.com

Education is the road to sustainability, creating the appropriate environment for learners to socialize and acquire knowledge and skills for the 21st century. This study reviews 53 …

A literature review of features and trends of technology-supported collaborative learning in informal learning settings from 2007 to 2018

after-school settings

Zheng L.
GSID: XM2cfp3qNp8J
L Zheng, X Zhang, JF Gyasi - Journal of Computers in Education, 2019 - Springer

… Recently, collaborative learning in informal learning settings has been gained increasing interest. This study reviewed 70 papers about … In addition, most studies mainly occurred in online learning community or after-school clubs. Technology-mediated interactions were …

Reactions of zirconium amide amidinates with dioxygen. Observation of an unusual peroxo intermediate in the formation of oxo compounds.

Chemical communications (Cambridge, England)

Lamb AC, Lu Z, Xue ZL.
PMID: 25072534
Chem Commun (Camb). 2014 Sep 18;50(72):10517-20. doi: 10.1039/c4cc04032e.

Reaction of d(0) Zr(NMe2)2[MeC(N(i)Pr)2]2 (1) with O2 at -30 °C gives three Zr containing products: a peroxo trimer {(μ-η(2):η(2)-O2)Zr[MeC(N(i)Pr)2]2}3 (2), an oxo dimer {(μ-O)Zr[MeC(N(i)Pr)2]2}2 (3), and an oxo polymer {(μ-O)Zr[MeC(N(i)Pr)2]2}n (4). is a rarely observed peroxo complex from the...

Improved appreciation of the functioning and importance of biological soil crusts in Europe: the Soil Crust International Project (SCIN).

Biodiversity and conservation

Büdel B, Colesie C, Green TG, Grube M, Lázaro Suau R, Loewen-Schneider K, Maier S, Peer T, Pintado A, Raggio J, Ruprecht U, Sancho LG, Schroeter B, Türk R, Weber B, Wedin M, Westberg M, Williams L, Zheng L.
PMID: 24954978
Biodivers Conserv. 2014;23:1639-1658. doi: 10.1007/s10531-014-0645-2. Epub 2014 Mar 02.

Here we report details of the European research initiative "Soil Crust International" (SCIN) focusing on the biodiversity of biological soil crusts (BSC, composed of bacteria, algae, lichens, and bryophytes) and on functional aspects in their specific environment. Known as...

miRNA and Degradome Sequencing Reveal miRNA and Their Target Genes That May Mediate Shoot Growth in Spur Type Mutant "Yanfu 6".

Frontiers in plant science

Song C, Zhang D, Zheng L, Zhang J, Zhang B, Luo W, Li Y, Li G, Ma J, Han M.
PMID: 28424721
Front Plant Sci. 2017 Mar 30;8:441. doi: 10.3389/fpls.2017.00441. eCollection 2017.

The spur-type growth habit in apple trees is characterized by short internodes, increased number of fruiting spurs, and compact growth that promotes flowering and facilitates management practices, such as pruning. The molecular mechanisms responsible for regulating spur-type growth have...

ERDS-exome: a Hybrid Approach for Copy Number Variant Detection from Whole-exome Sequencing Data.

IEEE/ACM transactions on computational biology and bioinformatics

Tan R, Wang J, Wu X, Juan L, Zheng L, Ma R, Zhan Q, Wang T, Jin S, Jiang Q, Wang Y.
PMID: 28981421
IEEE/ACM Trans Comput Biol Bioinform. 2017 Oct 04; doi: 10.1109/TCBB.2017.2758779. Epub 2017 Oct 04.

Copy number variants (CNVs) play important roles in human disease and evolution. With the rapid development of next-generation sequencing technologies, many tools have been developed for inferring CNVs based on whole-exome sequencing (WES) data. However, as a result of...

A Streaming Potential/Current-Based Microfluidic Direct Current Generator for Self-Powered Nanosystems.

Advanced materials (Deerfield Beach, Fla.)

Zhang R, Wang S, Yeh MH, Pan C, Lin L, Yu R, Zhang Y, Zheng L, Jiao Z, Wang ZL.
PMID: 26404911
Adv Mater. 2015 Nov 04;27(41):6482-7. doi: 10.1002/adma.201502477. Epub 2015 Sep 25.

A simple but practical method to convert the hydroenergy of microfluids into continuous electrical output is reported. Based on the principle of streaming potential/current, a microfluidic generator (MFG) is demonstrated using patterned micropillar arrays as a quasi-porous flow channel....

Nonmalignant respiratory mortality and long-term exposure to PM.

Environmental pollution (Barking, Essex : 1987)

Chen X, Wang X, Huang JJ, Zhang LW, Song FJ, Mao HJ, Chen KX, Chen J, Liu YM, Jiang GH, Dong GH, Bai ZP, Tang NJ.
PMID: 28865381
Environ Pollut. 2017 Dec;231:761-767. doi: 10.1016/j.envpol.2017.08.085. Epub 2017 Aug 30.

No abstract available.

Molecular systematics of the Labeonini inhabiting the karst regions in southwest China (Teleostei, Cypriniformes).

ZooKeys

Zheng LP, Chen XY, Yang JX.
PMID: 27667927
Zookeys. 2016 Aug 23;(612):133-48. doi: 10.3897/zookeys.612.9085. eCollection 2016.

The major phylogenetic pattern of the cyprinid tribe Labeonini has been revealed by previous molecular studies; however, the relationships within a clade that mainly inhabits the karst regions, which we refer to as the "karst group", in southwest China...

Caragaphenol a induces reactive oxygen species related apoptosis in human gastric cancer cells.

American journal of translational research

Peng QQ, Wang K, Cheng KJ, Yang HG, Qiu JG, Zhang WJ, Jiang QW, Yang Y, Zheng DW, Huang JR, Wei MN, Shi Z, Wang W.
PMID: 28861171
Am J Transl Res. 2017 Aug 15;9(8):3804-3815. eCollection 2017.

Caragaphenol A (CAA) is a novel resveratrol trimer isolated from the roots of Caraganastenophylla. However, the biological activity of CAA is still unknown. In the present study, we investigated the anticancer effects of CAA on gastric cancer cells. CAA...

Enantioenriched Cobalt Phosphonate Containing Δ-Type Chains and Showing Slow Magnetization Relaxation.

Inorganic chemistry

Liu B, Xu Y, Bao SS, Huang XD, Liu M, Zheng LM.
PMID: 27636397
Inorg Chem. 2016 Oct 03;55(19):9521-9523. doi: 10.1021/acs.inorgchem.6b01854. Epub 2016 Sep 16.

By using an achiral (4-carboxynaphthalen-1-yl)phosphonic acid (4-cnappH

Showing 1 to 12 of 3950 entries