企业级基础设施十大趋势

未来五年,非结构化数据将大幅度增加,总数据量将增长800％,非结构化数据将占80％,如此大量的数据内容将会给企业级基础架构带来怎样的挑战呢？     

沃尔玛的数据游戏

在很高的层面来看,零售本身就是简单的把产品与顾客联系在一起,沃尔玛正在为做得更好而努力。     

西尔斯百货如何利用大数据制定价格策略

“我们公司正在向实时的数字化企业转变。”西尔斯百货公司首席技术官（CTO）菲尔·雪莱（PhilShelley）近日在Hadoop峰会中这样评价。为了实现这个目的,西尔斯公司采用了开源软件Had00P,因为这个软件可以在低成本的跨平台服务器运行、并以多种不同数据格式存储。     

音乐全天候

音乐早就没那么遥不可及了,就算你整天和它泡在一起也不是什么不可能的事儿,无论是工作、出行、甚至窝在被窝里。音乐像水,可以毫无缝隙地融入到你的生活。别再抱怨枯燥、单调与难过了,你只需要一台合适的音响,动一动手指,让音乐冲去生活中所有的乏味。当音乐把你的心情调到愉快的频道,并将你与形形色色、匆匆忙忙的人群分割开来,你会发现“郁闷”这个词在你面前是那么软弱无力。如果你并非音乐从业人士,那么也不需要去补习多么高深的专业知识,因为这样会显得太过矫情,教你一句话——用耳朵收获。     

商用人士的超极本啥样？惠普商用超极本Folio 13

凭借技术优势和长达9．5小时的超长续航能力,惠普率先针对商务领域的超极本需求做出快速响应．重磅推出了惠普Folio 13。这款机身轻薄、续航时间长久、性能值得称道的笔记本电脑为商旅精英、SOHO一族等商务人士提供了不错的移动商务体验。     

你的专属导演 佳能LEGRIA HF M40双闪存高清DV

很多DV用户都在苦恼自己拍摄的视频只是简单的记录,没有美感．其实归根结底还是因为大家没有受过专业的培训．但是佳能LEGRIA HF M40倒是给我们这些普通用户提供了很多方便的拍摄体验．一起来感受—下吧!     

IN-SITU OBSERVATION OF CRACK TIP DEFORMATION IN A DUPLEX STAINLESS STEEL

The development of dislocation structures in the plastic zone ahead of a crack tip has been in-vestigated in a duplex stainless steel during in-situ deformation experiments in a scanningtransmission electron microscope.It was found that the dislocation distribution wassignificantly different in the ferrite and in the austenite.In the ferrite grains,the dislocationsemitted by the crack tip may cross-slip out of the original slip planes and form a broad plasticzone.However,in the austenite,the dislocation free zone is small and the dislocations emittedby the crack pile up in its slip plane.The selection of slip systems at the crack tip depends onthe crack tip Schmid factors in both phases.But after large deformation,the selection of thesecond slip systems at the craek tip in austenite does not depend on the Schmid factors.     

LOCALIZED CORROSION OF MICROCRYSTALS OF 1Crl8Ni9Ti STAINLESS STEEL

The resistances against localized corrosion of 1Cr18Ni9Ti microcrystals with normal grainsize and bcc structure obtained hy magnetron sputtering have been compared.The two kindsof microcrystals with (110) and (211) textures respectively were obtained under differentsputtering conditions.Both microcrystals were found to have better resistance against local-ized corrosion than the crystal with normal grain.The microcrystal with (110) preferredorientation has larger resistance to localized corrosion than that with (211) preferredorientation.     

TEMPERATURE DEPENDENCE UPON VISCOSITY OF Ni-P ALLOY ON AMORPHOUS FORMATION

The viscous flow of amorphous alloys near T_gis closely related to the viscosity of liquid alloys.On the basis of the measured surface tension and density for Ni-P binary alloys,the correla-tion between the viscosity of the melt and viscous flow process of the amorphous alloy is inves-tigated.The relationship between viscosity and temperature for Ni-P alloys going from liquidto amorphous solid may be described by the following formula:     

工艺冷却器的螺旋线自动清洗节能

含结晶性料液在工艺冷却器降温过程中,存在一个冷却面上快速结晶的问题,造成冷却器的冷却效率急剧下降,同时料液的流动阻力快速上升,造成能耗很高和被迫周期性的频繁停车.螺旋线的自转要求最低流速(约0.4m/s)远低于工艺设计流速(1.5m/s),能够很可靠地连续自转,清洗能力强,传热强化幅度高,阻力不高,4台工艺设备串联的总阻力0.16 MPa,只有现有工艺泵扬程32m的一半.预计工艺冷却器全部采用螺旋线技术以后,盐矿冷却器的不仅每年节电在200万度以上,而且设备产能增大50%以上.