Experimental Research on the Performance of a Wetting Agent Based on Compound Acidification in Low-Porosity and Hard-to-Wet Coal Seams

The proposed research will further explore the effects of language style and speech type on student learning and motivation in agent-based multimedia settings. Inspired by several recent studies on post-secondary student learning in agent-based multimedia settings, this research will compare the effects of language style (conversational or formal) and speech type (human or machine-synthesized) on elementary students’ learning retention, transfer and motivation. It is expected that instruction with human speech in a conversational language style will promote better learning retention, transfer, and motivation than will instruction with machine-synthesized speech in a formal language style.

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Impact of Water Film Evaporation on Gas Transport Property in Fractured Wet Coal Seams

Transport in Porous Media ◽

10.1007/s11242-016-0698-7 ◽

2016 ◽

Vol 113 (2) ◽

pp. 357-382 ◽

Cited By ~ 18

Author(s):

Teng Teng ◽

J. G. Wang ◽

Feng Gao ◽

Yang Ju ◽

Tongqiang Xia

Keyword(s):

Transport Property ◽

Gas Transport ◽

Water Film ◽

Coal Seams ◽

Film Evaporation ◽

Wet Coal

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Experimental study on the evading behaviour of single pedestrians encountering an obstacle

Collective Dynamics ◽

10.17815/cd.2020.36 ◽

2020 ◽

Vol 5 ◽

Author(s):

Xiaolu Jia ◽

Claudio Feliciani ◽

Daichi Yanagisawa ◽

Katsuhiro Nishinari

Keyword(s):

Experimental Study ◽

Experimental Research ◽

Average Velocity ◽

Real Life ◽

Agent Based ◽

Agent Based Modelling ◽

Crowd Dynamics ◽

Reliable Evidence ◽

The Future ◽

Present Simulation

Present simulation and experimental research still have deficiency in depicting the evading behaviour of single pedestrians confronting with an obstacle, which is the basis for the study of crowd dynamics affected by obstacles in real life. Therefore, this study will conduct experiments with a bar-shaped obstacle in the middle of a corridor and explore the corresponding general and particular features of single pedestrians. Particularly, the variation of pedestrian velocity and trajectory under different-sized obstacles will be illustrated. By taking the average velocity and trajectories of the 32 participants, it could be concluded that pedestrians would walk at a velocity of about 1.5 m/s without being affected by the size of obstacle. Besides, pedestrians tend to pass a location about 0.4 meters away from the obstacle edge that is perpendicular to walking direction. Furthermore, pedestrians tend to begin and finish evading the obstacle at locations respectively about 4.40 meters and 4.85 meters away from the obstacle. We also found a heterogeneity in the evading behaviour and pedestrians could be classified into four types accordingly. Results of this study are expected to provide reliable evidence for agent-based modelling in the future.

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Research on wetting agent for water infusion of coal seams (in Chinese)

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts ◽

10.1016/0148-9062(95)90150-4 ◽

1995 ◽

Vol 32 (3) ◽

pp. 121A

Keyword(s):

Wetting Agent ◽

Coal Seams ◽

Water Infusion

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Total etch dentin bonding systems: scanning electron microscopy of the resin-dentin hybrid layer

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100130092 ◽

1992 ◽

Vol 50 (2) ◽

pp. 1092-1093

Author(s):

Jorge Perdigao

Keyword(s):

Composite Resin ◽

Mechanical Interlocking ◽

Hybrid Layer ◽

Agent Based ◽

Dentin Bonding ◽

Acid Agent ◽

Bond Strengths ◽

Main Component ◽

Bonding Systems ◽

New Generation

In 1955, Buonocore introduced the etching of enamel with phosphoric acid. Bonding to enamel was created by mechanical interlocking of resin tags with enamel prisms. Enamel is an inert tissue whose main component is hydroxyapatite (98% by weight). Conversely, dentin is a wet living tissue crossed by tubules containing cellular extensions of the dental pulp. Dentin consists of 18% of organic material, primarily collagen. Several generations of dentin bonding systems (DBS) have been studied in the last 20 years. The dentin bond strengths associated with these DBS have been constantly lower than the enamel bond strengths. Recently, a new generation of DBS has been described. They are applied in three steps: an acid agent on enamel and dentin (total etch technique), two mixed primers and a bonding agent based on a methacrylate resin. They are supposed to bond composite resin to wet dentin through dentin organic component, forming a peculiar blended structure that is part tooth and part resin: the hybrid layer.

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Secondary Transfer Effect of Contact

Social Psychology ◽

10.1027/1864-9335.40.2.55 ◽

2009 ◽

Vol 40 (2) ◽

pp. 55-65 ◽

Cited By ~ 146

Author(s):

Thomas F. Pettigrew

Keyword(s):

Cognitive Dissonance ◽

Experimental Research ◽

Intergroup Contact ◽

Transfer Effect ◽

Evaluative Conditioning ◽

Transfer Effects ◽

Secondary Transfer ◽

Primary Reduction

This paper reviews the evidence for a secondary transfer effect of intergroup contact. Following a contact’s typical primary reduction in prejudice toward the outgroup involved in the contact, this effect involves a further, secondary reduction in prejudice toward noninvolved outgroups. Employing longitudinal German probability samples, we found that significant secondary transfer effects of intergroup contact exist, but they were limited to specific outgroups that are similar to the contacted outgroup in perceived stereotypes, status or stigma. Since the contact-prejudice link is bidirectional, the effect is inflated when prior prejudice reducing contact is not controlled. The strongest evidence derives from experimental research. Both cognitive (dissonance) and affective (evaluative conditioning) explanations for the effect are offered.

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