Хипокеименон

Архитектура

първична структура

Основната конструкция или обвивката на сградата.

Биология

базално тяло

Също известен като скинетозома.

Theматрицаis​​themicrotubuleorganizationcenterofciliaandflagella.Ithasa9(3)+0structure,buttheматрицаonlycontainsonecentriolesinsteadofapairofcentrioles(whichisresponsibleforcellmitosis).Theматрицаis​​alsocalledthekinetosome,whichisresponsibleforthesynthesisofflagellaandcilia.

Theswellingpartofthebasalendofflagellaandciliaofprotists.Ithasacylindricalshape,anditsstructureisbasicallysimilartoflagellaorciliaitself,butitisbasicallynotcoveredbycellmembranesandhasnocentraltwomicrotubules.ThebasalbodiesofflagellatessuchasEuglenaareoftenconnectedtothenucleusbyrootfilaments,whichshowsthattheactivityofflagellaiscontrolledbythenucleus.Insomespecies,theматрицаactsasacentralbodyduringnuclearfission.Theматрицаofciliatesisoftencalledthemovingbody.Eachбазално тялоemitsacilia.Underthesurfacemembrane,thebasalbodiesareneatlyarrangedinrows,andtheyareconnectedwitheachotherbythefibrilsformedbytheoriginalspecialization,whichconductsimpulsesandcoordinatestheactivitiesofthecilia.Someothermulticellularanimalsalsohavethisstructure.

Материали

матрица

Itisoneofthemaincomponentsinthecompositematerialtobondthereinforcementbodyintoawholeandtransfertheloadtothereinforcementbody.

Матриците се класифицират основно според вида на суровините, а именно полимерна (смола) основа, метална основа, керамична основа, стъкло и стъклокерамична основа, въглеродна основа (включително графитна основа) и циментова основа.

Thepolymer(resin)basecanbedividedintothermosettingpolymerbase(suchasepoxyresin,unsaturatedpolyesterandpolyimide,etc.)andthermoplasticpolymerbase(suchasvariousGeneral-purposeplasticsandhigh-performancevarietiessuchaspolyetherphenol,polyphenylenesulfide,andpolyetheretherketone).Polymer(resin)матрицаis​​widelyusedincompositematerials,anditstechnologyismature,especiallythermosettingpolymershavealonghistoryofuse,butgenerallytheycanonlybeusedbelow300°C.CommonlyusedmetalsubstratesareAl,Mg,Ti,etc.,andhigh-temperaturealloysandrefractorymetalsarealsoontrial.Theirusetemperaturerangeis400～1100℃,buttheprocessisnotyetmature.Theglassandceramicsubstratesarestillintheexperimentalstage,andthetechnologyisveryimmature,butbecausethetemperaturerangeis600～1400℃,itisveryattractive.Theoperatingtemperatureofthecarbon(graphite)матрицаcanexceed2000°Cundertheconditionofanti-oxidationmeasures.Cementматрицаhasashorthistoryincompositematerials,butitisexpectedtobecomeamaterialwithalargeamount.Byestablishingthequantitativerelationshipbetweentheматрицаandthesensingfiberstrain,thestraintransmissionerrorcanbeeliminatedandthetestaccuracycanbeimproved.

Анализ

матрица

InX-rayfluorescenceanalysis,theматрицаis​​theentiresampleexceptfortheanalysiselements.Therefore,inamulti-elementsystem,theматрицаofthesamesampleisdifferentforeachanalysiselementinthesample.Moreover,therelativeerroroftheматрицаmatchingmethodinthedeterminationofaluminumincastzincalloysislessthan0.4%.

Геология

Matrix(матрицаpalaeosome,palaeosome)isalsocalledpaleosome(palaeosome)andmesosome(mesosome).Intherockwithaweakdegreeofmigmatization,itcanusuallybedividedintotwoparts:the"матрица"oftheoriginalmetamorphicrockandthenewlyformed"vein".Theматрицаpartbasicallyrepresentsthecompositionoftheoriginalmetamorphicrock.Generally,therearemanydarkminerals.Sometimesduetotheinfluenceofmetasomatism,theremaybeacertaindegreeofchange,suchascoarseningofgrainsize,increaseoffelsic,andbiotizationofhornblende,etc..Asthedegreeofmixedpetrificationincreases,theboundarybetweentheматрицаandveinsgraduallydisappears.