The natural periods of vibration of 53 multistory RC frame buildings have been measured by the station of Engineering-Seismometer Services (ESS). These 53 buildings have different number of stories, different dimensions in.plan (with different plan length to width ratios) and effected on different...
___InSeptember2013theCaliforniaStateBoardofEducation(SBE)unanimouslyapprovedtheNextGenerationScienceStandards(NGSS)asCalifornia’snewK-12sciencestandards.InNovember2013,theSBEapprovedanintegratedmodelofthesestandards,developedbytheCaliforniaScienceExpertPanel(SEP),asthepreferredmodelforCaliforniamiddlegradessixthrougheight...
The people named the softw.are maker Microsoft as the best company.One of the main reasons is the company's chairman, Bill Gates. The Bill and Melinda Gates Foundation has given billions ofdollars to organizations around the world to support health care and education.And that's the VOA ...