简介：Background:ConcernshavebeenexpressedaboutpotentialtoxicityofthesmokeproducedbytheburningofmoxaintraditionalChinesemedicine.Withtheadventofstrictanti-smokinglegislationintheUK,itwasdecidedtotestthevolatilesproducedbymoxibustionandcomparethemwithcurrentagreedsafeexposurelevels.

简介：Recrystallizationtextureofsteelplateisaffectedbysubstitutionsolidsolutionandinterstitialsolidsolution.Thisarticlefinishedtexturetestandstampingtestaboutlowcarbonaluminiumkilledsteel,IFsteel,phosphorusstrengthensteel,Si-Mn-Pstrengthensteel.Itcanbefoundthatallkindsofsteelhassimilarintensity{111}textureinpermanentφ=45°aboutlevel10.Interstitialsolidsolutionsteelhad{101}textureandsubstitutionsolidsolutionsteelhad{112}texture.Basedonrecysstallizationprincipleandstampingtest,theeffectofsolutiononrecrystallizationtextureisdiscussed.Itpointoutthatinterstitialsolidsolutionimpediment{111}textureformingandcausedto{101}textureremainedinsteel.Thephenomenonstrengthenanisotropicpropertyandreductionstampingproperty.Similartosubstitutionsolidsolution,itwouldimpediment{111}texturetoo,but{101}texturechangedto{112}texture.

简介：Ecologyisnotavery'old'science,withaboutonehundredyearsofhistory.Intheearlyperiod,thegeneralattitudewasthatthestudyofundisturbedecologicalsystemswillprovideuswithcluesofhowtheworldisorganised.Tounderstandthisworld,weshouldstudythe