简介：MicrostructureandsubmicrostructureofLeydigcellandSertolicellinthetestisofgonadalprecocityandimmaturationinculturedlargeyellowcroaker,Pseudosciaenacrocea,arestudiedusinghistologyandelectronmicroscopictechnique.Theresultsindicatethatthefinestructureofthetwokindsofcellsindifferentdevelopmentstagespresentsanobviousdifference.ThesmoothendoplasmicreticularandtubularmitochondriaofLeydigcellandSertolicellarewelldevelopedinthetestisofgonadalprecocity,butpoorlydevelopedinthetestisofimmaturation.WesuggestthatthereasonforgonadalprecocityinthelargeyellowcroakermayberelatedtotheearlierdevelopmentandmaturationofLeydigcellandSertolicell.

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简介：ByimplementingtheARGOprogram,alargenumberofT-Sprofilescanbeobservedintheworldocean.However,itisverydifficulttoexaminechangesofthesensitivityofthesensorsequippedattheARGOfloats,becauseitisdifficulttounderstandtheirconditionintheseaandthereliabilityofthedata.Qualitycontrolmustbedoneinordertoavoidthewrongconclusiondeducedfromthewrongdata.OneoftherealisticmethodsforqualitycontroloftheARGOdataisthecomparisonwiththelocalclimatology.HighqualityclimatologicalT-SmodelsinnorthwestPacifichavebeenbuiltbasedontheNansenbottledataandCTDdataforthequalitycontrolinNMDIS.ThemodelsareusedtochecktheARGOdatainthisareaandhavegotgoodresult.