简介:Bytheendofthislesson,studentswillbeableto:1.learnaboutdifferentbodylanguagestogreetpeoplefromdifferentcultures.2.beawareoftheimportanceofexpressingoneselfusingbodylanguage.
简介:“Bodyclocks”arebiologicalmethodsofcontrolingbodyactivities.Everylivingthinghasone.Inhumans,abodyclockcontrolsnormalperiodsofsleepingandwaking.Itcontrolsthetimeswhenyouaremostlikelytofeelpain.Eating,sleepingandexercisingataboutthesametimeeachdaywillhelpkeepbodyactivitiesnormal.Butchangesinyourlife,anewjob,forexample,destroythebalanceandthuscausehealthproblems.
简介:Whereasconservativetherapiesaimtostalltheadvanceofdisease,regenerativemedicinestrivestoreverseit.Thecapacityofmosttissuestoregeneratederivesfromstemcells,butthereareanumberofbarrierswhichhavetobecircumventedbeforeitwillbepossibletousestem-cell-basedtherapies.Suchtherapies,however,areexpectedtoimprovehumanhealthenormously,andknowledgegainedfromstudyingstemcellsincultureandinmodelorganismsisnowlayingthegroundworkforaneweraofregenerativemedicine.Oneofthemostprominentmethodstostudystemcelldifferentiationistoletthemtoformembryoidbodies.Underfavourableconditionsanystemcelllinewillformembryoidbodies.However,themechanismoftheformationofembryoidbodiesisnotverywellunderstood,andtoproducetheminthelaboratoryisinnowaytrivial-animportanttechnicalbarrierinstemcellresearch.Recently,theembryoidbodycultivationstephasbeensuccessfullycircumventedforthederivationofosteogenicculturesofembryonicstemcells.Herewereportonasimpleandreusablesystemtocultivateembryoidbodiesinextremelyshorttimes.Themethodisinspiredbytheprinciplesthatleadtotheestablishmentofthebiomimetictriangle.
简介:Forthedynamicsofarigidbodywithafixedpointbasedonthequaternionandthecorrespondinggeneralizedmomenta,adisplacement-basedsymplecticintegrationschemefordifferential-algebraicequationsisproposedandappliedtotheLagrange’sequa-tionsbasedondependentgeneralizedmomenta.Numericalexperimentsshowthatthealgorithmpossessessuchcharactersashighprecisionandpreservingsysteminvariants.Moreimportantly,thegeneralizedmomentabasedLagrange’sequationsshowuniquead-vantagesoverthetraditionalLagrange’sequationsinsymplecticintegrations.
简介:the use of body language in English teaching is necessary and practical. In the English teaching in middle schools,and the teachers should make full use of body language to develop the students' ability of reading aloud.When reading the sentences,the students' interest is motivated and the effect of teaching is greatly improved.II. The necessity and importance of using body language in English teaching English teaching is a key part of the school education. With the English teaching methods reform
简介:Speckleinterferometryisanefficientmethodtoanalyzeavibration.Incetrainconditions,thistechniquehassomeoutsandingadvantage,andneednotstrictshock-proofcondition,comparedwiththeholographicmethodformeasuringvibration,Therefors,itissuitabletoanayyzeavibrationwithalogaramplitude.Real-timeinterferometryisarapidandsimplemethodformeasuringvibrationofabody,givesspecklepatterncontainingamplitudedistributionofbody-surface.Bymeansoftime-averagedmethod.thespecklepatternisrecordedinFouriertransformplane.orvibra-tionlinesareseendirectlywitheyes,soastoanalyzeefficientlyampitude.phase,andmod-elofavibration.Thispaperdeducestheintensitydistributionfunctionwithreal-timemethod,andgivesexpermentaldemonstrationofvibrationbody-thevibrationlineswithdifferentfrequencies.