Symptom presentation and evolution in the first 48 hours after injury are associated with return to play after concussion in elite Rugby Union

Background:Return to play(RTP)in elite rugby is managed using a 6-stage graduated RTP protocol,which can result in clearance to play within 1 week of injury.We aimed to explore how symptom,cognitive,and balance presentation and evolution during concussion screens 2 h(head injury assessment(HIA2)and 48 h(HIA3)after injury were associated with time to RTP)to identify whether a more conservative graduated RTP may be appropriate.Methods:A retrospective cohort study was conducted in 380 concussed rugby players from elite men’s rugby over 3 consecutive seasons.Players were classified as shorter or longer returns,depending on whether RTP occurred within 7 days(allowing them to be considered to play the match 1 week after injury)or longer than 8 days,respectively.Symptom,cognitive,and balance performance during screens was assessed relative to baseline(normal or abnormal)and to the preceding screen(improving or worsening).Associations between sub-test abnormalities and RTP time were explored using odds ratios(OR,longer vs.shorter).Median day absence was compared between players with abnormal or worsening results and those whose results were normal or improving.Results:Abnormal symptom results during screens 2 h and 48 h after concussion were associated with longer return time(HIA2:OR=2.21,95%confidence interval(95%CI):1.39-3.50;HIA3:OR=3.30,95%CI:1.89-5.75).Worsening symptom number or severity from the time of injury to 2 h and 48 h post-injury was associated with longer return(HIA2:OR=2.49,95%CI:1.36-4.58;HIA3:OR=3.34,95%CI:1.10-10.15).Median days absence was greater in players with abnormal symptom results at both HIA2 and HIA3.Cognitive and balance performance were not associated with longer return and did not affect median days absence.Conclusion:Symptom presentation and evolution within 48 h of concussion were associated with longer RTP times.This may guide a more conservative approach to RTP,while still adhering to individualized concussion management principles.

Apex成了黑客play的一环

设想一下,当你正在热血沸腾地观看一场电竞大赛,耳边不断传来激烈的枪声和急促的话语,紧张刺激的氛围几乎让你窒息。在这最扣人心弦的时刻,画面中的一个选手突然静止不动,双手高举,仿佛正在投降。然而,他的鼠标还在操作,并且子弹无限,透视全开。

Multiple-stacked Hybrid Plays of lacustrine source rock intervals：Case studies from lacustrine basins in China

Hydrocarbon-producing lacustrine basins are widely developed in the world, and China has a large number of lacustrine basins that have developed since the early Permian. The organic-rich shale-dominated heterogeneous source rock intervals in Chinese lacustrine basins generally contain frequent thin interbeds of stratigraphically associated sandstone, siltstone, marl, dolomite, and limestone. The concept of ‘‘Hybrid Plays＇ ＇ as put forth in this article recognizes this pattern of alternating organicrich shale and organic-lean interbeds and existence of mixed unconventional and conventional plays. Hybrid Plays in lacustrine source rock intervals present a unique closed petroleum system hosting continuous hydrocarbons.The interbedded organic-lean siliciclastic and/or carbonateplays are efficiently charged with hydrocarbons via short migration pathways from the adjacent organic-rich shale that is often also a self-sourced play. We assert ‘‘Hybrid Plays＇ ＇ provide the most realistic exploration model for targeting multiple-stacked and genetically related very tight shale, tight and conventional plays together in the entire source rock interval rather than individual plays only. The Hybrid Play model has been proven and works for a wide variety of lacustrine rift, sag and foreland basins in China.

Defining stratigraphic oil and gas plays by modifying structural plays:A case study from the Xihu Sag,east China Sea Shelf Basin

The study focuses on an area of relatively mature oil and gas exploration located in the western slope of the Xihu Sag,East China Sea Shelf Basin.Three stratigraphic oil and gas plays are introduced to replenish the shrinking prospect inventory in the area.The reservoirs of these plays are traditional pay intervals of the Eocene Pinghu Formation and Baoshi Formation composed of tide-dominated delta front,tidal flat and delta front sand bar facies.By investigating conventional seismic data,seismic inversion volumes,and well log data,multiple tidal-influenced delta front channels,beach sand packages have been mapped out in different reservoir sand intervals of the Pinghu Formation and Baoshi Formation.We recognize four types of stratigraphic terminations:channel flank pinch-outs,axial pinch-outs of sand-fills,channel mouth sand bar pinch-outs,and onlap pinch-outs for the Baoshi Formation.Both the depositional facies and relatively low sand-shale ratio of the reservoir formations favor the occurrence of stratigraphic terminations.The closure mechanism of all these plays are similar to the traditional structure plays in the area:fault blocks or fault-bounded rollover anticlines,except that one or more closing faults are replaced by these stratigraphic terminations.Several small-sized closures should exist but the relatively large ones are centered around a major intra-slope rise,raising the exploration potential in this maturely explored area.The new exploration drilling campaign has so far tested the play of delta front channel facies,with three out of four wells commercially successful.These play concepts open up a novel approach to identify new traps in the study area and many other rift basins with similar settings in eastern China.

基于Conceptual Play Spaces理论的初中语文教育游戏设计

在真实的情境中教学可以促进学生的理解,对于初中生来说,他们需要一些具体形象的支撑,3D体验游戏可以将抽象的事物具体化,让学生感受到真实的世界。本文以Conceptual Play Spaces理论为基础,根据初中生的学习特征,设计教育游戏桃花源记,激发学习者的学习兴趣,使学生沉浸在教育游戏情境中,提高学习者核心素养。

Beneficial roles silicon plays in agriculture

Silicon（Si）,asecondmostabundantelementinsoil,is nonessential but beneficial for higher plants.Silicon addition can result in improved plant growth, yield and quality.Indeed, application of Si fertilizer is a rather common agricultural practice in many countries and regions, especially in Southeast Asian countries.

Play therapy in children with autism:Its role,implications,and limitations

Play is a pleasurable physical or mental activity that enhances the child’s skills involving negotiation abilities,problem-solving,manual dexterity,sharing,decision-making,and working in a group.Play affects all the brain's areas,structures,and functions.Children with autism have adaptive behavior,adaptive response,and social interaction limitations.This review explores the different applications of play therapy in helping children with autism disorder.Play is usually significantly impaired in children with autism.Play therapy is mainly intended to help children to honor their unique mental abilities and developmental levels.The main aim of play therapy is to prevent or solve psychosocial difficulties and achieve optimal child-healthy growth and development.Play therapy helps children with autism to engage in play activities of their interest and choice to express themselves in the most comfortable ways.It changes their way of self-expression from unwanted behaviors to more non-injurious expressive behavior using toys or activities of their choice as their words.Play therapy also helps those children to experience feeling out various interaction styles.Every child with autism is unique and responds differently.Therefore,different types of intervention,like play therapy,could fit the differences in children with autism.Proper evaluation of the child is mandatory to evaluate which type fits the child more than the others.This narrative review revised the different types of play therapy that could fit children with autism in an evidence-based way.Despite weak evidence,play therapy still has potential benefits for patients and their families.

基于SAE模型和Play算子的矢量磁滞模型研究

构建精确的矢量磁滞模型对电工装备电磁场数值分析是必要的。本文基于深度堆叠自编码器(SAE)模型结合磁滞算子空间理论提出了一种矢量磁滞模型。在模型结构中利用多个Play磁滞算子构建算子空间,样本中的磁场强度数据输入算子空间生成高维磁化状态矢量数据。该数据作为SAE模型的输入,利用SAE模型表征磁化状态矢量数据与模型输出磁感应强度的复杂非线性关系。通过训练样本生成的数据构建训练集和训练模型,获得SAE模型的参数。对测试数据的拟合结果表明:构建的模型可以有效地描述铁磁材料在旋转磁化情况下的非线性特性和各向异性。同时,对模型施加螺旋励磁,输出表明构建的模型可以有效地体现材料的矢量磁化特性。

GhDET2,a Steroid 5alpha-reductase,Plays an Important Role in Cotton Fiber Cell Initiation and Elongation

Cotton(Gossypium hirsutum L.) fibers,one of the most important natural raw materials for the textile industry,are highly elongated trichomes from epidermal cells of cotton ovules.Among the longest plant cells ever characterized,cotton fiber is an ideal system for studying plant cell elongation.

哈罗德·阿克顿与L.C.阿灵顿之他者戏剧审美言说在Famous Chinese Plays中的体现

Famous Chinese Plays是英国汉学家哈罗德·阿克顿与美国戏剧学家L.C.阿灵顿于20世纪30年代合作翻译编撰的中国京剧经典曲目汇集。这部译作不仅融汇了两位译者作为汉学家对中国传统戏剧艺术形式——京剧的关注,也倾注了两人对中国戏剧文化的个性化审美体认。这种基于西方文化而又寻求突破传统的异质审美取向的审美模子,在译介中撷取中国传统戏剧文化养分的同时,也不自觉地融入了西方文化浓厚的受体因子的评介体系,既旨在向西方介绍中国传统艺术形式,也兼顾了西方文化体系对中国传统审美理念的个性化维度思考。

From Cultural Utilization to Cultural Understanding:Two Phases of the English-Speaking World’s Reception of Traditional Chinese Plays

The article analyzes the translations,performances and the reception of traditional Chinese plays in the English-speaking world from the mid-and-late eighteenth century to the early twentieth century.We found that the reception underwent two phases featuring self-centered and multicultural respectively.In the first phase,the English-speaking world acknowledged the moral values of traditional Chinese plays but it did not accept their aesthetic values while in the second phase,aesthetic values became the focus and were received through translations,studies and performances.The two phases differed significantly.The first phase was characterized by the initial contacts and exchanges between the plays and the English culture as well as obvious cultural misunderstandings.During the second phase,moral and aesthetic values were gradually accepted.Text translations,theatrical studies and performances were flourishing while cultural misunderstandings decreased remarkably.The two stages demonstrate the general result of the Chinese culture’s historical process of“going global”.The reception of Chinese culture by other cultures often started with cultural utilization,accompanied by obvious cultural misunderstandings.With the deepening of contacts and exchanges between the two cultures,however,the host culture began to gain a better understanding of the intrinsic values of Chinese culture and therefore cultural misunderstandings decreased.Cultural misunderstandings are an inevitable historical process that the Chinese culture would experience during its“going global”.With continuing and expanded exposures,the intrinsic values of Chinese culture will continue to manifest themselves.

Standardization Plays an Indispensable Role in Solving Energy Problems

On June 27th, the China Construction Ministry (CCM) announced that China will intensify efforts to implement the supervision of construction standards with the goal of promoting energy saving practices. By 2010, urban construction projects are expected to achieve energy savings of 50%, and by 2020 to save 351 million tons of coal.……

让PlayStation3九龙舞天 下一代游戏平台cell处理器

在计算机诞生的初期,还没有现在类似Windows的多任务操作系统,人们关注的重点在于单任务程序的执行性能,当时人们评价处理器性能时主要参照办公软件、字处理软件、电子表格软件这样的单任务执行速度。而如今,3D游戏、三维创作、多媒体文件处理这样的应用占据了大部分使用者处理器的多数时间,对于这些应用,注重单线程性能的传统架构已经显得不合时宜。05年年初,Intel、AMD的一系列动作清楚地表明,处理器产业已经找到了新的大幅度提高处理器性能的方式--那就是“多核心处理器”,未来的处理器性能设计将会把焦点从原来追求ILP性能向多核心处理器所能释放出来的多线程并行能力转移,即TLP性能。目前对于Intel和AMD的多核心处理器技术方案已经在产品上实施,而本文所要讲述的“CELL”处理器则是完全不同的另一种呈现,下面我们就一起来揭开“CELL”的神秘技术面纱。

China Plays Hardball with A US Desperate to Forge Policy Consensus

As President Barack Obama’s trip to Beijing demonstrated, the days when US leaders could get anywhere lecturing China on economic policy are long gone.

索尼PlayStation 3

索尼 PlayStation3CECH-2001A是专为在2009年美国市场发布而重新设计的新版本，它可以提供一系列额外功能，包括120GB2．5英寸串行ATA硬盘驱动器，预装3．00版系统升级软件。该新系统具有BRAVIA Sync功能，能清除安装的其他操作系统。并且提供一个单独销售的垂直支架可以将PS3书里放置。

Obama Plays Catch Up in Africa

WITH the world economic re- covery under way, Africa is work- ing to revive strong growth, aid- ed by booming cooperation with emerging economies that is boosting the continent＇s eco- nomic development. This growth is shown in the IMF figures,

PlayStafion认证——索尼爱立信Xperia PLAY Zli智能手机

Xperia PLAY Z1最大的亮点是为广大手机用户打造出一个引入人胜的移动游戏世界，用户只需轻轻推开侧滑键盘．智能手机立刻变身游戏手柄，现实生活瞬间转变为虚拟世界，Xperia PLAY Zli的游戏手柄上包括四个方向键、两个模拟触摸板、双侧肩的L、R按键．“选择”和“开始”键，

国内外智能玩具研究及其在游戏化学习支架中的应用综述

目的对国内外智能玩具研究现状、智能玩具在游戏化学习支架的研究异同进行比较分析。方法梳理总结智能玩具的研究脉络、定义与特点。以2000一2023年,国内外智能玩具文献(中文257篇,英文235篇)为研究对象,采用文献计量法结合CiteSpace软件,对智能玩具研究进行可视化对比分析,明晰国内外智能玩具的研究现状和热点趋势。运用内容分析法分析归类研究案例,探讨国内外在研究智能玩具作为学习支架工具时研究重点、研究方法等方面的异同。结论国外智能玩具研究相比国内更集中,但两者都没有形成核心作者群。国内外关注的研究方向存在相似性但具体的研究侧重点有较大差异,国内研究关注儿童玩具智能化的交互形式和体验,国外则更重视技术创新在有形玩具载体中的多元应用。在智能玩具应用于支架式学习的研究中,国内外的项目研究也呈现出较大差别,国外注重智能玩具与实际教学场景的整合应用,关注技术创新、特殊群体需求,以及对学习成效的定量评估。国内研究则更强调智能玩具在非正式场景下对学龄前儿童的学习促进和发展、智能玩具与儿童交互的方式和策略,以及对本土文化的融入。