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厉害了!我国“人造太阳”核心部件首获国际认证

来源: 南方日报网络版     时间: 2019年11月20日 00:38:12
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(核)(工)(业)(西)(南)(物)(理)(研)(究)(院)(副)(院)(长)(段)(旭)(如)(:现)(在)((金)(属)()钨)(,可)(以)(耐)(三)(千)(多)(度)(,但)(是)(我)(们)(讲)(的)(上)(亿)(度)(的)(高)(温)(,是)(我)(们)(的)(聚)(变)(装)(置)(的)(芯)(部)(,它)(可)(以)(达)(到)(上)(亿)(度)(。它)(的)(主)(要)(作)(用)(一)(个)(是)(要)(保)(护)(它)(外)(部)(的)(一)(些)(部)(件)(和)(设)(施)(,另)(外)(把)(这)(个)(有)(些)(能)(量)(通)(过)(它)(吸)(收)(以)(后)(,把)(它)(带)(走)(。
在)(整)(个)(国)(际)(热)(核)(聚)(变)(实)(验)(堆)(计)(划)(中)(,有)(多)(个)(国)(家)(在)(研)(制)(这)(样)(的)(高)(温)(核)(心)(材)(料)(,而)(中)(国)(科)(学)(家)(承)(担)(研)(制)(的)(这)(种)(材)(料)(,处)(于)(反)(应)(堆)(最)(核)(心)(位)(置)(,直)(接)(面)(对)(高)(温)(聚)(变)(物)(质)(,因)(而)(被)(成)(为)(反)(应)(堆)(的)(“第)(一)(壁)(”。ITER的)(设)(计)(方)(案)(要)(求)(,第)(一)(壁)(要)(承)(受)(每)(平)(米)(4.7兆)(瓦)(的)(热)(量)(,这)(几)(乎)(可)(以)(瞬)(间)(将)(一)(公)(斤)(的)(钢)(铁)(融)(化)(。
核)(工)(业)(西)(南)(物)(理)(研)(究)(院)(聚)(变)(堆)(与)(材)(料)(研)(究)(室)(主)(任)(谌)(继)(明)(:实)(际)(上)(ITER的)(专)(家)(,心)(里)(头)(也)(没)(底)(,到)(底)(这)(个)(能)(不)(能)(耐)(得)(住)(这)(个)(4.7兆)(瓦)(每)(平)(方)(米)(的)(热)(度)(。通)(过)(我)(们)(自)(主)(研)(发)(的)(部)(件)(,我)(们)(成)(了)(世)(界)(上)(第)(一)(家)(通)(过)(高)(热)(负)(荷)(实)(验)(认)(证)(,也)(可)(以)(说)(我)(们)(率)(先)(拿)(到)(了)(生)(产)(许)(可)(证)(。所)(以)(这)(对)(ITER来)(说)(是)(个)(很)(大)(的)(贡)(献)(。
核)(聚)(变)(:人)(类)(未)(来)(能)(源)(问)(题)(的)(希)(望)(
说)(到)(核)(能)(,大)(家)(都)(会)(想)(到)(核)(电)(站)(。目)(前)(核)(电)(站)(主)(要)(是)(把)(比)(较)(重)(的)(原)(子)(,分)(裂)(成)(较)(轻)(的)(原)(子)(而)(释)(放)(能)(量)(,这)(个)(反)(应)(过)(程)(被)(称)(为)(核)(裂)(变)(。核)(聚)(变)(的)(反)(应)(过)(程)(则)(正)(好)(与)(此)(相)(反)(,那)(么)(,为)(什)(么)(核)(聚)(变)(会)(被)(看)(做)(是)(人)(类)(未)(来)(能)(源)(的)(希)(望)(所)(在)(呢)(?
每)(天)(照)(耀)(地)(球)(的)(太)(阳)(,它)(的)(光)(和)(热)(就)(来)(自)(于)(自)(身)(内)(部)(缓)(慢)(持)(久)(的)(核)(聚)(变)(。因)(此)(,在)(人)(工)(控)(制)(下)(实)(现)(稳)(定)(的)(核)(聚)(变)(的)(设)(施)(,也)(就)(自)(然)(地)(被)(成)(为)(“人)(造)(太)(阳)(”。和)(普)(通)(能)(源)(相)(比)(,核)(聚)(变)(的)(优)(势)(明)(显)(,首)(先)(,燃)(料)(的)(来)(源)(非)(常)(丰)(富)(。
核)(工)(业)(西)(南)(物)(理)(研)(究)(院)(副)(院)(长)(段)(旭)(如)(:因)(为)(核)(聚)(变)(它)(的)(能)(源)(呢)(,主)(要)(是)(氢)(的)(同)(位)(素)(,氘)(和)(氚)(它)(们)(剧)(烈)(反)(应)(,像)(氘)(在)(海)(水)(里)(面)(是)(很)(丰)(富)(的)(像)(一)(升)(海)(水)(里)(面)(的)(氘)(,如)(果)(它)(全)(部)(聚)(变)(反)(应)(的)(话)(,产)(生)(的)(能)(量)(,它)(相)(当)(于)(燃)(烧)(三)(百)(升)(汽)(油)(产)(生)(的)(能)(量)(。这)(是)(一)(个)(方)(面)(,另)(一)(个)(方)(面)(,它)(的)(环)(境)(可)(接)(受)(性)(比)(较)(好)(,因)(为)(聚)(变)(反)(应)(,产)(生)(的)(产)(物)(是)(氦)(,氦)(本)(身)(不)(具)(有)(放)(射)(性)(。
能)(量)(巨)(大)(又)(安)(全)(环)(保)(,核)(聚)(变)(一)(直)(以)(来)(被)(人)(们)(视)(为)(解)(决)(未)(来)(能)(源)(问)(题)(的)(希)(望)(。早)(在)(1952年)(,人)(类)(就)(实)(现)(了)(人)(工)(核)(聚)(变)(,只)(不)(过)(使)(用)(的)(是)(这)(样)(的)(方)(式)(。
氢)(弹)(的)(巨)(大)(能)(量)(正)(是)(来)(自)(核)(材)(料)(剧)(烈)(的)(聚)(变)(反)(应)(,但)(这)(样)(的)(瞬)(间)(释)(放)(只)(能)(带)(来)(毁)(灭)(性)(的)(效)(果)(,如)(何)(让)(这)(样)(的)(能)(量)(在)(人)(的)(控)(制)(下)(缓)(慢)(有)(序)(地)(释)(放)(出)(来)(,这)(是)(在)(第)(一)(枚)(氢)(弹)(爆)(炸)(后)(的)(64年)(里)(人)(类)(一)(直)(在)(试)(图)(攻)(克)(的)(课)(题)(。
核)(工)(业)(西)(南)(物)(理)(研)(究)(院)(副)(院)(长)(段)(旭)(如)(:但)(是)(实)(际)(上)(在)(这)(个)(研)(究)(过)(程)(中)(发)(现)(挑)(战)(,有)(很)(多)(挑)(战)(,还)(没)(有)(解)(决)(靠)(一)(个)(国)(家)(的)(实)(力)(来)(攻)(克)(,现)(在)(还)(有)(难)(度)(。
为)(了)(解)(决)(这)(一)(难)(题)(,中)(国)(、美)(国)(、俄)(罗)(斯)(、欧)(盟)(、日)(本)(、韩)(国)(、印)(度)(,七)(方)(投)(资)(超)(百)(亿)(美)(元)(,建)(设)(了)(这)(个)(国)(际)(热)(核)(聚)(变)(实)(验)(堆)(。按)(照)(计)(划)(,它)(将)(在)(2019年)(建)(成)(,2035年)(实)(现)(点)(火)(运)(行)(,成)(为)(未)(来)(商)(用)(核)(聚)(变)(反)(应)(堆)(设)(计)(制)(造)(的)(样)(板)(。
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