当前位置:考试网  > 试卷库  > 技能鉴定  > 特种作业  >  频率下降应采取哪些措施?
试题预览

频率下降应采取哪些措施?

查看答案
收藏
纠错
正确答案:

主要措施有(1)投入旋转备用容量。(2)迅速启动备用机组。(3)切除或限制部分负荷。

答案解析:

暂无解析

你可能感兴趣的试题

某板坯连铸机拉坯速度为2.0m/min,出结晶器的安全坯壳厚度为12mm,结晶器冷凝系数为20mm/min,求该铸机的结晶器长度。

所谓固相矫直是指铸坯进入矫直区业已全部凝固时进行的矫直()

生产球团矿可以比烧结矿减少排入大气的灰尘量,对改善环境有利

最新近的结晶器振动形式为()

铁口深度是根据铁口区炉衬厚度规定的,铁口深度应稍()铁口区炉衬厚度

热门试题 更多>
Howshopscanexploitpeople'sherdmentalitytoincreasesales 1.ATRIPtothesupermarketmaynotseemlikeanexerciseinpsychologicalwarfare—butitis.Shopkeepersknowthatfillingastorewiththearomaoffreshlybakedbreadmakespeoplefeelhungryandpersuadesthemtobuymorefoodthantheyhadintended.Stockingthemostexpensiveproductsateyelevelmakesthemsellfasterthancheaperbutlessvisiblecompetitors.Nowresearchersareinvestigatinghow“swarmintelligence”(thatis,howants,beesoranysocialanimal,includinghumans,behaveinacrowd)canbeusedtoinfluencewhatpeoplebuy. 2.AtarecentconferenceonthesimulationofadaptivebehaviourinRome,Zeeshan-ul-hassanUsmani,acomputerscientistfromtheFloridaInstituteofTechnology,describedanewwaytoincreaseimpulsebuyingusingthisphenomenon.Supermarketsalreadyencourageshopperstobuythingstheydidnotrealisetheywanted:forinstance,byplacingeverydayitemssuchasmilkandeggsatthebackofthestore,forcingshopperstowalkpastothertemptinggoodstoreachthem.MrUsmaniandRonaldoMenezes,alsooftheFloridaInstituteofTechnology,setouttoenhancethistendencytobuymorebyplayingontheherdinstinct.Theideaisthat,ifacertainproductisseentobepopular,shoppersarelikelytochooseittoo.Thechallengeistokeepcustomersinformedaboutwhatothersarebuying. 3.Entersmart-carttechnology.InMrUsmani'ssupermarketeveryproducthasaradiofrequencyidentificationtag,asortofbarcodethatusesradiowavestotransmitinformation,andeverytrolleyhasascannerthatreadsthisinformationandrelaysittoacentralcomputer.Asacustomerwalkspastashelfofgoods,ascreenontheshelftellshimhowmanypeoplecurrentlyintheshophavechosenthatparticularproduct.Ifthenumberishigh,heismorelikelytoselectittoo. 4.MrUsmani's“swarm-moves”modelappealstosupermarketsbecauseitincreasessaleswithouttheneedtogivepeoplediscounts.Anditgivesshoppersthesatisfactionofknowingthattheyboughtthe“right”product—thatis,theoneeveryoneelsebought.Themodelhasnotyetbeentestedwidelyintherealworld,mainlybecauseradiofrequencyidentificationtechnologyisnewandhasonlybeeninstalledexperimentallyinsomesupermarkets.ButMrUsmanisaysthatbothWal-MartinAmericaandTescoinBritainareinterestedinhiswork,andtestingwillgetunderwayinthespring. 5.Anotherrecentstudyonthepowerofsocialinfluenceindicatesthatsalescould,indeed,beboostedinthisway.MatthewSalganikofColumbiaUniversityinNewYorkandhiscolleagueshavedescribedcreatinganartificialmusicmarketinwhichsome14,000peopledownloadedpreviouslyunknownsongs.Theresearchersfoundthatwhenpeoplecouldseethesongsrankedbyhowmanytimestheyhadbeendownloaded,theyfollowedthecrowd.Whenthesongswerenotorderedbyrank,butthenumberoftimestheyhadbeendownloadedwasdisplayed,theeffectofsocialinfluencewasstilltherebutwaslesspronounced.Peoplethusfollowtheherdwhenitiseasyforthemtodoso. 6.InJapanachainofconvenienceshopscalledRanKingRanQueenhasbeenorderingitsproductsaccordingtosalesdatafromdepartmentstoresandresearchcompanies.Theshopssellonlythemostpopularitemsineachproductcategory,andtherankingsareupdatedweekly.Icosystem,acompanyinCambridge,Massachusetts,alsoaimstoexploitknowledgeofsocialnetworkingtoimprovesales. 7.Andthepsychologythatworksinphysicalstoresisjustaspotentontheinternet.OnlineretailerssuchasAmazonareadeptattellingshopperswhichproductsarepopularwithlike-mindedconsumers.Evenintheprivacyofyourhome,youcanstillbepartoftheswarm. Questions1-6 Completethesentencesbelowwithwordstakenfromthereadingpassage.UseNOMORETHANTHREEWORDSforeachanswer. 1.Shopownersrealizethatthesmellof_______________canincreasesalesoffoodproducts. 2.Inshops,productsshelvedatamorevisiblelevelsellbettereveniftheyaremore_______________. 3.AccordingtoMr.Usmani,withtheuseof“swarmintelligence”phenomenon,anewmethodcanbeappliedtoencourage_______________. 4.Onthewaytoeverydayitemsatthebackofthestore,shoppersmightbetemptedtobuy_______________. 5.Ifthenumberofbuyersshownonthe_______________ishigh,othercustomerstendtofollowthem. 6.Usingthe“swarm-moves”model,shopownersdonothavetogivecustomers_______________toincreasesales.
试题分类: 阅读
练习次数:1次
试题分类: 外贸跟单基础理论
练习次数:3次
试题分类: 安全保护服务人员
练习次数:0次
扫一扫,手机做题