Lead ndirondicho chikamu chikuru chemutobvu, mutobvu isimbi inorema zvakanyanya, ine hunhu hwakawanda, chinonyanya kukosha ndechekuti density yayo yakakura, kuomarara uye mabasa akasiyana-siyana ekurwisa ngura uye anti-kupfeka akawedzera. Iine huremu hwakakura uye density, inonyanya kushandiswa mukugadzira mabhatiri emutobvu, indasitiri yeasidhi uye indasitiri yesimbi ine mutobvu ndiro, pombi inotungamira semidziyo yekugadzirisa machira, indasitiri yemagetsi se lead cable sheath uye fuse. Lead alloys ane tini neantimony anoshandiswa pakudhinda mhando, lead tin alloys anoshandiswa kugadzira fusible lead maelectrode, uye maplate emutobvu nemarata ane lead plated anoshandiswa muindasitiri yekuvaka. Mutobvu une kunyura kwakanaka kweX-ray uye gamma rays uye unoshandiswa zvakanyanya sedata rekugadzirisa kumashini eX-ray nemidziyo yesimba reatomu. Lead yakave kana kuti ichatsiviwa nerumwe ruzivo mune mamwe minda nekuda kwezvikonzero zvehupfu uye zvehupfumi. Imwe yeanonyanya kukosha inoshandiswa mumunda wekudzivirira radiation. Heano maitiro anoita ndiro inotungamira mukudzivirira radiation:
α particle kupinda haina simba, chidimbu chepepa chinogona kuvhara; Inodzivirira lead plate inogona kuvharira zvachose, inodzivirira alpha radiation inotarisa usadye, yakasvibiswa ganda. Imwe ndeye beta ray, iyo ine pakati pekupinda. Iyo general inodzivirira inotungamira ndiro inogona kuvharira mwaranzi yakawanda, asi beta ray inowanzo chengetedzwa nechivharo cheyakaderera nhamba yeatomu, kuitira kuti isaburitse bremsstrahlung. Pakupedzisira, gamma ray inogadzirwa ne α uye β, nekupinda kwakasimba, humwe hutete hwechivharo chekudzivirira chinodzivirira hunogona kuvhara chimwe chikamu chekusimba kwe gamma ray, radioactive intensity nehupamhi hwekudzivirira kweplate yekudzivirira maererano ne exponential law attenuation, theoretically haigoni kuvharwa zvachose. Asi hapana chikonzero chemhinganidzo yakakwana. Muchokwadi, radioactivity iri kwese kwese, uye kune radiation munzvimbo yakatenderedza, chero yakachengetwa mukati memiganhu inonzwisisika.
Nguva yekutumira: Jul-04-2022