Hypokeymenon

Architektura

primární struktura

Hlavní konstrukce nebo obálková konstrukce budovy.

Biologie

bazální tělo

Také známý jakoskinetosom.

Thematiceis​​themicrotubuleorganizationcenterofciliaandflagella.Ithasa9(3)+0structure,butthematiceonlycontainsonecentriolesinsteadofapairofcentrioles(whichisresponsibleforcellmitosis).Thematiceis​​alsocalledthekinetosome,whichisresponsibleforthesynthesisofflagellaandcilia.

Theswellingpartofthebasalendofflagellaandciliaofprotists.Ithasacylindricalshape,anditsstructureisbasicallysimilartoflagellaorciliaitself,butitisbasicallynotcoveredbycellmembranesandhasnocentraltwomicrotubules.ThebasalbodiesofflagellatessuchasEuglenaareoftenconnectedtothenucleusbyrootfilaments,whichshowsthattheactivityofflagellaiscontrolledbythenucleus.Insomespecies,thematiceactsasacentralbodyduringnuclearfission.Thematiceofciliatesisoftencalledthemovingbody.Eachbazální těloemitsacilia.Underthesurfacemembrane,thebasalbodiesareneatlyarrangedinrows,andtheyareconnectedwitheachotherbythefibrilsformedbytheoriginalspecialization,whichconductsimpulsesandcoordinatestheactivitiesofthecilia.Someothermulticellularanimalsalsohavethisstructure.

Materiály

matice

Itisoneofthemaincomponentsinthecompositematerialtobondthereinforcementbodyintoawholeandtransfertheloadtothereinforcementbody.

Matrice jsou v zásadě klasifikovány podle typů surovin, jmenovitě na bázi polymeru (pryskyřice), na bázi kovu, na bázi keramiky, na bázi skla a sklokeramiky, na bázi uhlíku (včetně grafitové báze) a na bázi cementu.

Thepolymer(resin)basecanbedividedintothermosettingpolymerbase(suchasepoxyresin,unsaturatedpolyesterandpolyimide,etc.)andthermoplasticpolymerbase(suchasvariousGeneral-purposeplasticsandhigh-performancevarietiessuchaspolyetherphenol,polyphenylenesulfide,andpolyetheretherketone).Polymer(resin)maticeis​​widelyusedincompositematerials,anditstechnologyismature,especiallythermosettingpolymershavealonghistoryofuse,butgenerallytheycanonlybeusedbelow300°C.CommonlyusedmetalsubstratesareAl,Mg,Ti,etc.,andhigh-temperaturealloysandrefractorymetalsarealsoontrial.Theirusetemperaturerangeis400～1100℃,buttheprocessisnotyetmature.Theglassandceramicsubstratesarestillintheexperimentalstage,andthetechnologyisveryimmature,butbecausethetemperaturerangeis600～1400℃,itisveryattractive.Theoperatingtemperatureofthecarbon(graphite)maticecanexceed2000°Cundertheconditionofanti-oxidationmeasures.Cementmaticehasashorthistoryincompositematerials,butitisexpectedtobecomeamaterialwithalargeamount.Byestablishingthequantitativerelationshipbetweenthematiceandthesensingfiberstrain,thestraintransmissionerrorcanbeeliminatedandthetestaccuracycanbeimproved.

Analýza

matice

InX-rayfluorescenceanalysis,thematiceis​​theentiresampleexceptfortheanalysiselements.Therefore,inamulti-elementsystem,thematiceofthesamesampleisdifferentforeachanalysiselementinthesample.Moreover,therelativeerrorofthematicematchingmethodinthedeterminationofaluminumincastzincalloysislessthan0.4%.

Geologie

Matrix(maticepalaeosome,palaeosome)isalsocalledpaleosome(palaeosome)andmesosome(mesosome).Intherockwithaweakdegreeofmigmatization,itcanusuallybedividedintotwoparts:the"matice"oftheoriginalmetamorphicrockandthenewlyformed"vein".Thematicepartbasicallyrepresentsthecompositionoftheoriginalmetamorphicrock.Generally,therearemanydarkminerals.Sometimesduetotheinfluenceofmetasomatism,theremaybeacertaindegreeofchange,suchascoarseningofgrainsize,increaseoffelsic,andbiotizationofhornblende,etc..Asthedegreeofmixedpetrificationincreases,theboundarybetweenthematiceandveinsgraduallydisappears.