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PENNSYLVANIA: 作品数：51被引量：11H指数：2; 导出分析报告; 相关领域：文化科学更多>>; 相关作者：谢丽娜于薇张捷杨勇李常磊更多>>; 相关机构：首都师范大学重庆三峡职业学院江西中医药高等专科学校宾夕法尼亚大学更多>>; 相关期刊：《China Chemical Reporter》《World Journal of Condensed Matter Physics》《Cultural and Religious Studies》《国际人才交流》更多>>; 相关基金：国家自然科学基金更多>>

The Hornet King This Pennsylvania native converted his fear of flying insects into a stream of income: 《空中英语教室(高级版.彭蒙惠英语)》2025年第5期26-27,45,46,共4页Jason Nark; When Bret Davis was a child,a swarm of subterranean yellow jackets attacked him,and the pain from those burning-hot stings stayed with him long after the swelling went down.For years,Davis worried about any flying thi...; 关键词：INCOME overcoming fears sting subterranean yellow jackets insects FEAR PENNSYLVANIA

Estimation of Connected Vehicle Penetration on US Roads in Indiana, Ohio, and Pennsylvania被引量：3: 《Journal of Transportation Technologies》2021年第4期597-610,共14页Margaret Hunter Jijo K. Mathew Howell Li Darcy M. Bullock; Connected vehicle data is an important assessment tool for agencies to evaluate the performance of freeways and arterials, provided there is sufficient penetration to provide statistically robust performance measures....; 关键词：Connected Vehicle Trajectory Data Penetration Traffic Counts Big Data

NEW SWORTHY: 《空中英语教室（高级版．彭蒙惠英语）》2021年第9期22-24,44,共4页Tom Avril; Scientists[at Pennsylvania State University]found that a caterpillar called the tomato fruit worm not only chomps on tomatoes and their leaves,but also deposits enzyme-laden saliva on the plant,interfering with its ab...; 关键词：DEPOSITS LADEN PENNSYLVANIA

Migmatite-like textures in anthracite:Further evidence for low-grade metamorphic melting and resolidification in high-rank coals: 《Geoscience Frontiers》2021年第3期428-436,共9页James C.Hower Susan M.Rimmer Maria Mastalerz Nicola J.Wagner; Previous studies demonstrated that melting,initiated by supercritical fluids in the 375-400℃range,occurred as part of anthracite metamorphism in the Appalachian Basin.Based on the known behavior of vitrinite at high ...; 关键词：IGNEOUS Metamorphic texture PENNSYLVANIA Mesozoic basins South Africa

The current perspective of the PA 1957 gas well pillar study and its implications for longwall gas well pillars: 《International Journal of Mining Science and Technology》2021年第1期117-126,共10页Peter Zhang Daniel Su Chris Mark; Many states rely upon the Pennsylvania 1957 Gas Well Pillar Study to evaluate the coal barrier surrounding gas wells.The study included 77 gas well failure cases that occurred in the Pittsburgh and Freeport coal seams...; 关键词：Gas well pillar Pennsylvania 1957 gas well pillar study Room-and-pillar mining Longwall mining

Using yttrium as an indicator to estimate total rare earth element concentration:a case study of anthracite-associated clays from northeastern Pennsylvania: 《International Journal of Coal Science & Technology》2020年第4期652-661,共10页Xiaojing Yang Daniel Kozar Daniel Gorski Anthony Marchese James Pagnotti Rusty Sutterlin Mohammad Rezaee Mark S.Klima Sarma V.Pisupati; the Department of Energy[Grant Number DE-FE-0030146]。; This study demonstrated using yttrium(Y)as an indicator to estimate the total rare earth element and Y contents(REY)in coal-associated samples and to facilitate selection of samples with high REY assays in a fast and ...; 关键词：Rare earth elements XRF analysis CORRELATIONS Prediction ICP analysis

Investigations on longwall mining subsidence impacts on Pennsylvania highway alignments被引量：2: 《International Journal of Mining Science and Technology》2020年第1期85-92,共8页Emily Adelsohn Anthony Iannacchione Robert Winn; Over 600 longwall panels have been mined in Pennsylvania in the last 50 years. Of those 600 panels, 25 panels undermined interstates highways. Despite this quantity of panels, much is still unknown regarded the detail...; 关键词：LONGWALL mining SUBSIDENCE COAL Interstate damage

A case study of performance-based pavement maintenance and rehabilitation needs assessment in Pennsylvania被引量：3: 《Journal of Southeast University(English Edition)》2019年第2期242-251,共10页Zheng Yubin Bai Qiang Chen Lin; The National Key Research and Development Program of China(No.2018YFB1601202);the Natural Science Foundation of Shaanxi Province(No.2019JM-228);the National Natural Science Foundation of China(No.51308335);the Fundamental Research Funds for the Central Universities of Chang’an University(No.300102218401); This paper presents the theory,method,and application of performance-based pavement needs assessment at a state level,using the Pennsylvania Interstate System as an example.First,a general framework is presented for t...; 关键词：PAVEMENT maintenance and rehabilitation needs assessment performance-based performance modeling

Constant Management: 《Beijing Review》2019年第18期22-23,共2页; As China and the United States work toward a trade deal,the question remains whether it will put an end to the underlying tensions between the world’s largest economies.Avery Goldstein,Director of the Center for the ...; 关键词：TRADE DEAL REMAINS PENNSYLVANIA

美国宾州西切斯特大学“翻转课堂”的实践及我国高职院校实施“翻转课堂”的挑战被引量：2: 《黑龙江畜牧兽医（下半月）》2017年第8期249-251,共3页谢丽娜; 宾州西切斯特大学（West Chester University of Pennsylvania）是美国一所成立于1871年的公立教学型综合大学,规模中型,其校园位于宾夕法尼亚州西切斯特市,覆盖面积2 458亩（1亩≈667 m^2）左右。该大学师资力量雄厚,并致力于不断开发...; 关键词：切斯特大学师资教学试验 Chester 学习过程综合分析能力教学型 PENNSYLVANIA 程序性知识自主学习

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