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Showing 25 to 36 of 46118 entries
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Understanding screen-related sedentary behavior and its contributing factors among school-aged children: a social-ecologic exploration

after-school settings

He M.
GSID: On7fdxTL7oMJ
M He, S Harris, L Piché… - American Journal of …, 2009 - journals.sagepub.com

… Interventions that simultaneously impact these multiple levels in multiple settings are expected to lead to greater and longer-lasting … was shown that after school programs were inversely associated with children’s sedentary activities. In a Canadian context, after school...

An online lesson planning system using the 5E instructional model

lesson plans

He W.
GSID: hFHNp4WOVMoJ
W He, FK Wang - E-Learn: World Conference on E-Learning in …, 2008 - learntechlib.org

… The main objective of the online tool is to (1) help teachers develop lesson plans based on a constructivist lesson plan template, (2) share lesson plans effectively and efficiently, and (3) decrease teacher workload by reducing preparation time...

Secondary school science teachers' attitudes towards STEM education in Liberia

STEM education program evaluation

He J.
GSID: ydiHl6QGxfAJ
ST Hackman, D Zhang, J He - … Journal of Science Education, 2021 - Taylor & Francis

Many Liberian teachers have limited experiences and low efficacy for teaching science, technology, engineering, and mathematics (STEM), which results in students receiving little preparation and having low levels of motivation to pursue STEM careers in Liberia. Teacher attitudes are...

Integrating Internet of Things (IoT) into STEM undergraduate education: Case study of a modern technology infused courseware for embedded system course

STEM education program evaluation

He J, Xie Y.
GSID: sl21lLU0ITAJ
J He, DCT Lo, Y Xie, J Lartigue - … IEEE frontiers in education …, 2016 - ieeexplore.ieee.org

Internet of Things (IoT) is rapidly emerging as the next generation of communication infrastructure, where myriad of multi-scale sensors and devices are seamlessly blended for ubiquitous computing and communication. The rapid growth of IoT applications has increased the demand...

[Basic experiences of a nation-wide epidemiologic survey of tuberculosis with selective examination of samples].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi

He M.
PMID: 4092224
Zhonghua Liu Xing Bing Xue Za Zhi. 1985 Aug;6(4):214-6.

No abstract available.

Directional photomanipulation of breath figure arrays.

Angewandte Chemie (International ed. in English)

Wang W, Du C, Wang X, He X, Lin J, Li L, Lin S.
PMID: 25243818
Angew Chem Int Ed Engl. 2014 Nov 03;53(45):12116-9. doi: 10.1002/anie.201407230. Epub 2014 Sep 22.

Porous polymeric films are of paramount importance in many areas of modern science and technology. However, processing methods typically based on direct writing, imprint, and lithography techniques have low throughput and are often limited to specific fabricated shapes. Herein,...

Method for fabrication of paper-based microfluidic devices by alkylsilane self-assembling and UV/O3-patterning.

Analytical chemistry

He Q, Ma C, Hu X, Chen H.
PMID: 23244032
Anal Chem. 2013 Feb 05;85(3):1327-31. doi: 10.1021/ac303138x. Epub 2013 Jan 07.

This work presents a novel and facile method for fabricating paper-based microfluidic devices by means of coupling of hydrophobic silane to paper fibers followed by deep UV-lithography. After filter paper being simply immersed in an octadecyltrichlorosilane (OTS) solution in...

A microporous lanthanide-tricarboxylate framework with the potential for purification of natural gas.

Chemical communications (Cambridge, England)

He Y, Xiang S, Zhang Z, Xiong S, Fronczek FR, Krishna R, O'Keeffe M, Chen B.
PMID: 23023243
Chem Commun (Camb). 2012 Nov 14;48(88):10856-8. doi: 10.1039/c2cc35729a. Epub 2012 Oct 01.

A novel robust three-dimensional lanthanide organic framework with high thermal stability has been demonstrated to exhibit the potential for purification of natural gas in nearly pure form from an 8-component gas mixture at room temperature.

High performance low band gap polymer solar cells with a non-conventional acceptor.

Chemical communications (Cambridge, England)

He Y, You J, Dou L, Chen CC, Richard E, Cha KC, Wu Y, Li G, Yang Y.
PMID: 22732926
Chem Commun (Camb). 2012 Aug 07;48(61):7616-8. doi: 10.1039/c2cc33282e. Epub 2012 Jun 26.

A novel C70 fullerene derivative was designed and synthesized by [4+2] cyclic addition reaction between indene derivative (methyl 1H-indene-3-carboxylate) and C70. The absorption and photoluminescence of H120 and its mixed films with different polymer donor materials were investigated, as...

Active Learning Based on Locally Linear Reconstruction.

IEEE transactions on pattern analysis and machine intelligence

Zhang L, Chen C, Bu J, Cai D, He X, Huang TS.
PMID: 21282854
IEEE Trans Pattern Anal Mach Intell. 2011 Oct;33(10):2026-38. doi: 10.1109/TPAMI.2011.20. Epub 2011 Feb 04.

We consider the active learning problem, which aims to select the most representative points. Out of many existing active learning techniques, optimum experimental design (OED) has received considerable attention recently. The typical OED criteria minimize the variance of the...

Single-nanoparticle detection using a low-aspect-ratio pore.

ACS nano

Tsutsui M, Hongo S, He Y, Taniguchi M, Gemma N, Kawai T.
PMID: 22424475
ACS Nano. 2012 Apr 24;6(4):3499-505. doi: 10.1021/nn300530b. Epub 2012 Mar 21.

We explored single-particle translocation through a low thickness-to-diameter aspect ratio Si(3)N(4) pore mimicking graphene nanopore structure by a resistive pulse method. Ionic conductance of 0.05 aspect ratio pores scales linearly with the diameter, indicating predominant contribution of the access...

A microporous hydrogen-bonded organic framework for highly selective C2H2/C2H4 separation at ambient temperature.

Journal of the American Chemical Society

He Y, Xiang S, Chen B.
PMID: 21863860
J Am Chem Soc. 2011 Sep 21;133(37):14570-3. doi: 10.1021/ja2066016. Epub 2011 Aug 29.

The first microporous hydrogen-bonded organic framework with permanent porosity and exhibiting extraordinarily highly selective adsorptive separation of C(2)H(2) and C(2)H(4) at ambient temperature has been established.

Showing 25 to 36 of 46118 entries