Pit (nuclear weapon) (original) (raw)

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الحفرة، كالنواة الصلبة في الثمار مثل الخوخ والمشمش، هي نواة السلاح النووي الانفجاري –المواد الانشطارية وأي عاكس نيوتروني أو مدك مرتبط بها. استخدمت بعض الأسلحة المُختبرة خلال خمسينيات القرن العشرين حُفرًا مصنوعة من اليورانيوم 235 منفردًا، أو من مركب البلوتونيوم، إلا أن جميع حُفر البلوتونيوم هي الأصغر قطرًا وكانت المعيار منذ أوائل ستينيات القرن العشرين.

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dbo:abstract الحفرة، كالنواة الصلبة في الثمار مثل الخوخ والمشمش، هي نواة السلاح النووي الانفجاري –المواد الانشطارية وأي عاكس نيوتروني أو مدك مرتبط بها. استخدمت بعض الأسلحة المُختبرة خلال خمسينيات القرن العشرين حُفرًا مصنوعة من اليورانيوم 235 منفردًا، أو من مركب البلوتونيوم، إلا أن جميع حُفر البلوتونيوم هي الأصغر قطرًا وكانت المعيار منذ أوائل ستينيات القرن العشرين. (ar) The pit, named after the hard core found in fruits such as peaches and apricots, is the core of an implosion nuclear weapon – the fissile material and any neutron reflector or tamper bonded to it. Some weapons tested during the 1950s used pits made with U-235 alone, or in composite with plutonium, but all-plutonium pits are the smallest in diameter and have been the standard since the early 1960s. (en) Dalam senjata nuklir, biji adalah inti senjata nuklir bertipe "implosi", yang terdiri dari dan serta moderator neutron yang diikat pada bahan tersebut. Nama "biji" (Inggris: pit) diambil dari kemiripannya dengan biji keras buah seperti persik dan aprikot. Sebagian senjata nuklir tahun 1950an pernah dibuat menggunakan uranium-235 saja maupun komposit uranium-plutonium, tetapi sejak tahun 1960an, biji seluruhnya yang terbuat dari plutonium telah menjadi standar karena membutuhkan diameter paling kecil. (in) Il nocciolo, così chiamato proprio perché ricorda il nocciolo di frutti quali le pesche o le albicocche, è la parte centrale, ossia il nucleo, di un'arma nucleare a implosione, costituita dal materiale fissile. Talvolta nell'indicare il nocciolo si comprende anche il riflettore neutronico, in gergo chiamato "tamper", posto attorno al materiale fissile e che può essere, in alcuni casi, composto anch'esso da materiale fissile o fissionabile. Alcuni ordigni sperimentati durante gli anni 1950 utilizzavano noccioli realizzati in solo uranio-235 (235U) o in composito di 235U e plutonio legato, ma lo standard, sin dall'inizio degli anni 1960, è rappresentato da noccioli in solo plutonio legato (in cui la maggior parte dell'elemento è costituita dall'isotopo 239Pu), piccoli e compatti. (it) ピットは爆縮型核兵器において核分裂性物質およびそれに取り付けられた中性子反射体またはタンパーからなるコアのことで、桃やアンズの固い種にちなんで名付けられた。1950年代に実験に供された核兵器のピットはウラン235のみ、あるいはウラン235とプルトニウムの複合材で作られていたが、プルトニウムのみとする方が小型化できるため1960年代初めにはプルトニウムのみで作られるようになった。 (ja) Poço ou fosso é o núcleo de uma arma nuclear de fissão de design de implosão e o refletor de nêutrons ligado a ele. Alguns poços foram feitos de U-235 e outros de uma mistura Urânio-plutônio para testes durante a década de 1950. Os poços de plutônio tem sido os padrões desde a década de 1960. (pt) 弹芯是内爆式核武器的核心,由可裂变物质和与它相结合的中子反射体或者填塞物构成。20世纪50年代的核武器弹芯多用纯鈾-235,或者与钚复合,但是纯钚弹芯的直径最小,并且20世纪60年代初以来被视为标准。 (zh)
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rdfs:comment الحفرة، كالنواة الصلبة في الثمار مثل الخوخ والمشمش، هي نواة السلاح النووي الانفجاري –المواد الانشطارية وأي عاكس نيوتروني أو مدك مرتبط بها. استخدمت بعض الأسلحة المُختبرة خلال خمسينيات القرن العشرين حُفرًا مصنوعة من اليورانيوم 235 منفردًا، أو من مركب البلوتونيوم، إلا أن جميع حُفر البلوتونيوم هي الأصغر قطرًا وكانت المعيار منذ أوائل ستينيات القرن العشرين. (ar) The pit, named after the hard core found in fruits such as peaches and apricots, is the core of an implosion nuclear weapon – the fissile material and any neutron reflector or tamper bonded to it. Some weapons tested during the 1950s used pits made with U-235 alone, or in composite with plutonium, but all-plutonium pits are the smallest in diameter and have been the standard since the early 1960s. (en) Dalam senjata nuklir, biji adalah inti senjata nuklir bertipe "implosi", yang terdiri dari dan serta moderator neutron yang diikat pada bahan tersebut. Nama "biji" (Inggris: pit) diambil dari kemiripannya dengan biji keras buah seperti persik dan aprikot. Sebagian senjata nuklir tahun 1950an pernah dibuat menggunakan uranium-235 saja maupun komposit uranium-plutonium, tetapi sejak tahun 1960an, biji seluruhnya yang terbuat dari plutonium telah menjadi standar karena membutuhkan diameter paling kecil. (in) Il nocciolo, così chiamato proprio perché ricorda il nocciolo di frutti quali le pesche o le albicocche, è la parte centrale, ossia il nucleo, di un'arma nucleare a implosione, costituita dal materiale fissile. Talvolta nell'indicare il nocciolo si comprende anche il riflettore neutronico, in gergo chiamato "tamper", posto attorno al materiale fissile e che può essere, in alcuni casi, composto anch'esso da materiale fissile o fissionabile. Alcuni ordigni sperimentati durante gli anni 1950 utilizzavano noccioli realizzati in solo uranio-235 (235U) o in composito di 235U e plutonio legato, ma lo standard, sin dall'inizio degli anni 1960, è rappresentato da noccioli in solo plutonio legato (in cui la maggior parte dell'elemento è costituita dall'isotopo 239Pu), piccoli e compatti. (it) ピットは爆縮型核兵器において核分裂性物質およびそれに取り付けられた中性子反射体またはタンパーからなるコアのことで、桃やアンズの固い種にちなんで名付けられた。1950年代に実験に供された核兵器のピットはウラン235のみ、あるいはウラン235とプルトニウムの複合材で作られていたが、プルトニウムのみとする方が小型化できるため1960年代初めにはプルトニウムのみで作られるようになった。 (ja) Poço ou fosso é o núcleo de uma arma nuclear de fissão de design de implosão e o refletor de nêutrons ligado a ele. Alguns poços foram feitos de U-235 e outros de uma mistura Urânio-plutônio para testes durante a década de 1950. Os poços de plutônio tem sido os padrões desde a década de 1960. (pt) 弹芯是内爆式核武器的核心,由可裂变物质和与它相结合的中子反射体或者填塞物构成。20世纪50年代的核武器弹芯多用纯鈾-235,或者与钚复合,但是纯钚弹芯的直径最小,并且20世纪60年代初以来被视为标准。 (zh)
rdfs:label حفرة (سلاح نووي) (ar) Biji (senjata nuklir) (in) Nocciolo (arma nucleare) (it) ピット (核兵器) (ja) Pit (nuclear weapon) (en) Fosso (arma nuclear) (pt) 弹芯 (zh)
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