简介：AsoilpotcultureexperimentwithfoursuppliedPlevels(i.e.P30,P50,P100,P200,representingsupplementalP30,50,100,200mg/kg,respectively)wasconductedtoinvestigateuptakeanduseabilitytoPandZninthericegenotypeswithdifferentP-efficiency,ofwhichricegenotypes508,99011,580,99112werelow-Ptolerantand99056,99012werelow-Psensitive.Low-Ptolerantrice580and99011absorbedmorePthantheothers,andricegenotype580hadstrongeruptakeabilityespeciallyatlow-PlevelsuchasP50andP30.508couldabsorbconsiderableP,andhadthelowestPpercentageofshoot,indicatingithadgoodperformanceinP-useefficiency.ThesethreericegenotypeshadlargerbiomassandlessresponsetochangedPlevelthanricegenotype99112,99056and99012.Ricegenotype99112showedLow-Ptolerancemainlybysacrificingbiomasstomaintainhighrelativegrainyield.TheleastamountofPabsorbedby99056showedithadthelowestPuptakeefficiency,andthehighestPpercentageinshootof99012meantithadthelowestPuseefficiency.Sotheytwoshowedlow-Psensitivity.ZncontentsinshootunderP200,P100andP50weresimilar,butP30increasedZncontentinshootsignificantly.TheZncontentsinshootof99112,99056and99012werehigherthanthoseof508,99011and580,especiallyattilleringstageandbootingstage.AsfortotalZncontentinshoot,Low-Ptolerantricegenotype580hadthelargestamountandfollowedby99011and508,low-Ptolerantricegenotype99012hadthesmallestamountatthethreesamplingstageandfollowedby99056.Furthermore,P/Zninshootof99012wasthehighest,andthatof99056wasthesmallestatthesamePlevel.

简介：Theformaldehyde(HCHO)detectingatroomtemperatureisofgreatsignificance.DifferentratiosofP3HT/ZnOcompositefilms(3:1,1:1,and1:3)weredepositedontheorganicthinfilmtransistor(OTFT)byspray-depositiontechnology,andtheelectricalpropertiesandHCHO-sensingpropertiesofallthepreparedOTFTdevicesweremeasuredbyKeithley4200-SCSsourcemeasurementunit.TheresultsshowthattheOTFTsensorbasedontheP3HT/ZnOfilmswiththeratioof1:1exhibitedthebestoutputandtransfercurves.DifferentchangingtendencywereobservedwiththeincreaseofZnOproportionwhenexposedtoHCHOatroomtemperature,andthedevicewiththeratioof1:1behavedagoodresponseandrecoverycharacteristics.

简介：

简介：假期是我们学生所盼望的轻松时刻。但现实是大多数中国学生的假期就意味着穿梭在不同的补习班并且埋头于数不清的假期作业中。国外学生的假期活动或许能为我们带来一些启示。读完本文之后，我们可以设计一个属于自己的形式多样、内容丰富、意义深远、心情舒畅的假期生活。

简介：In2011,HuAngangandHuLianheproposedtheirsecond-generationethnicpolicyasalternativeoptionofcurrentChineseethnicpolicywhichhasbeensupposedtocauseunrestamongethnicminorityareasinChina.Intheirpaper,theynarrateaperfectracialpoliticsbasedonracialintegrationintheUnitedStates.

简介：英国人热爱他们的女王伊丽莎白二世。威廉王子和哈利王子是她的孙子。

简介：

简介：

简介：

简介：一成不变或许是安全的，但当你换个角度看问题或试着做些不同的事情的时候，你会发现，世界原本可以变得更加与众不同……

简介：发音Tips发/w/时,双唇收圆并向前突出,声带震动;而发/j/时,双唇向两旁伸展成扁平形,声带震动。/w/work工作winter冬天sweater毛衣way道路Wear穿WendyworksonSunday.Itisacoldwinterday.Wendybuysasweateronherwaytowearoncoldwinterdays.

简介：发／ts／与／dz／时，舌尖微抬起。抵住上齿龈，然后突然下降抵住下齿，形成先破后擦的发音。

简介：A、B、C、D四幅图片均与左上角所给图片有2处不同，你能找出这10处不同吗？

简介：它们有点像发/tr/和/dr/音时，舌尖贴在齿龈后部，堵住气流，在发出短促的／t／或／d／音后，立即发／r／的音。

简介：

简介：Thegrowth,biochemicalcontentandbioaccumulationquantityof2,2’,4,4’-tetrabromodiphenylether(BDE-47)inSkeletonemacostatumwerestudiedunderdifferentN:Pratios(1,4,16,64and128).AllcellularbiochemicalcontentsofS.costatumpresenteddecreasingtrendovercultivationtime.Atearlystageofcultivation,thecellularprotein,carbohydrateandlipidinS.costatumpresentedhighervaluesintreatmentsofN:P=4and16.However,theywerelowerinthesetreatmentsatthelatestage,buthigherintreatmentsN:P=1and128.Similarly,BDE-47levelspercellofS.costatumwerehigherintreatmentsofN:P=4and16atearlystageofcultivation,whichwere3.8and3.7ng(106cells)-1,respectively.Atthemiddlestageofcultivation,theBDE-47levelperS.costatumcelllowered;anditfurtherreducedinthetreatmentsofN:P=4and16atthelatestagewiththevalues0.6and0.5ng(106cells)-1,respectively.However,itroseinN:P=128,reachingupto2.3ng(106cells)-1.ComparedwithBDE-47percell,BDE-47peralgalvolumeunderdifferentN:Pratiosdidnotpresentobviousdifference.ThequantityBDE-47accumulatedpercellofS.costatumwaspositivelycorrelatedwithprotein,carbohydrateandlipidpercell;meanwhile,theBDE-47pervolumehadapositivecorrelationwithbiochemicalcontentpervolume.ThevariationofbioaccumulationabilityofBDE-47inS.costatumcanbeexplainedbybiochemicalchangesduetoN:Pratios.

简介：

简介：NUK儿童安全牙膏德国品质无氟温和配方,有效保护宝宝牙龈与牙齿本品为婴幼儿专用配方,不含氟、刺激性SLS、麸质、糖和人工甜昧剂,温和无刺激。保护宝宝萌出的第一颗小乳牙,温和清洁宝宝口腔。含木糖醇和维生素E,有效营养牙龈并预防蛀牙,清新的苹果香蕉味,让宝宝不抗拒刷牙。德国制造,原装进口,符合欧盟与国标标准。经典升级非同以往植村秀全新如胶似漆眼线笔2013年.植村秀推出第一款具有划时代意义的笔状眼线胶.并以其柔滑如胶、浓郁似漆的特点在眼线市场上拔得头筹。2017年。如胶似漆

简介：新一代宽口奶瓶——NUK纤巧宽口奶瓶全新上市!倍受全球各地妈妈和宝宝喜爱的德国知名母婴品牌NUK即将推出全新一代宽口奶瓶——纤巧宽口奶瓶系列。这款奶瓶采用独创的设计理念,小身材、大口径,兼具标口奶瓶轻便易携带与宽口奶瓶方便调奶及清洗的优点,并且适用于所有NUK宽口奶嘴系列。与传统的标口奶瓶相比,它解决了不匹配宽口奶嘴的问题,同时它又比传统的宽口奶瓶瓶身更加纤细修长,因此握持更稳固、

简介：以前看苹果电脑．总觉得它们是美丽的花瓶、可远观而不可亵玩焉的荷花．与自己不搭边．看看还行．用就谈不上了。所以每每看见使用苹果电脑的人．就会肃然起敬．谓为另类大师!