Botenya ba boron-polyethylene boto ke 2cm-30cm.Sebaka sa eona sa tekheniki ke ts'ebeliso ea theknoloji ea nyutlelie ea ts'ireletso ea mahlaseli a ionizing.Boron-polyethylene boto e sebelisoa bakeng sa ho sireletsa li-neutron tse potlakileng tsa tšimo ea mahlaseli a nyutrone, li-neutron le Y tse tsoakiloeng sebakeng sa mahlaseli a mahlaseli a kotsi, ho thibela kotsi ea mahlaseli le tšenyo e bakoang ke mahlaseli a nyutrone ho basebetsi ba mosebetsi le sechaba.
E le ho ntlafatsa phello ea tšireletso ea boron polyethylene ho neutron e potlakileng le ho rarolla bothata boo ho leng thata ho hlahisa boron polyethylene boto khoebong Chaena, boro e nang le boron polyethylene e nang le boron content ea 8% e ile ea ntlafatsoa.Ho ea ka molao-motheo oa ho sireletsa li-neutron tse potlakileng, kaha boima bo setseng ba li-neutron ke 1.0086649U, ha liathomo tsa haedrojene (ke hore liprothone) ke 1.007825 U [1], boima ba athomo ba li-neutron bo haufi le ba liathomo tsa hydrogen.Ka hona, ha neutron e potlakileng e thulana le li-nuclei tsa hydrogen 'meleng o sireletsang, Ho bonolo ka ho fetisisa ho lahleheloa ke matla ka ho e fetisetsa khubung ea athomo ea hydrogen, ho fokotsa lebelo la li-neutron ho fokotsa li-neutron le li-neutron tse chesang.Ha 'mele o sireletsang o na le haedrojene e ngata, matla a ho lekanyetsa a tla ba matla.Har'a lihlahisoa tsa haedrojene tse sebelisoang hangata ho sireletsa li-neutron, lihlahisoa tsa hydrogen tsa polyethylene ke tsona tse phahameng ka ho fetisisa, ho fihlela ho 7.92x IO22 liathomo / cm3 khase.Ka hona, polyethylene ke mohlahlobi ea molemo ka ho fetisisa oa ho sireletsa li-neutron tse potlakileng.Ka mor'a hore li-neutron tse potlakileng li theoleloe ho li-neutron tse futhumatsang, lisebelisoa tse sireletsang tse nang le karolo e kholo ea mocheso oa li-neutron tse kenang ntle le mahlaseli a matla a Y a hlokahala ho monya li-neutron tse chesang, e le ho finyella sepheo sa ho sireletsa li-neutron tse potlakileng ka ho feletseng.Ka lebaka la ho monya ha neutron e phahameng ea mocheso (3840 lL) X10_24cm2[3], 'me bongata ba kiB boron ea tlhaho ke 18.98% [3], eo ho leng bonolo ho e fumana, lisebelisoa tse nang le boron li monya hantle bakeng sa ho sireletsa mocheso. li-neutron.
Tšireletso ea mahlaseli a nyutrone lifemeng tsa matla a nyutlelie, li-accelerator tsa matla tse mahareng (tse holimo), li-athomo, likepe tse tsamaeang ka tlas'a metsi tsa nyutlelie, li-accelerator tsa bongaka, lisebelisoa tsa phekolo ea nyutrone le libaka tse ling.
Nako ea poso: May-31-2022
