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- The removal of a neutron from the system is indicated by the head of an arrow. 用箭頭表示一個(gè)中子從這個(gè)系統中的移動(dòng)。
- On the average, in weapons of this type, roughly equal amounts of explosive energy result from fission and from fusion. 平均說(shuō)來(lái),在這類(lèi)武器中,由裂變和由驟變所產(chǎn)生的爆炸能量大致相等。
- Indirect ionization by neutrons can also result from fission of plutonium or uranium isotopes. 通過(guò)使钚或鈾同位素裂變,中于也能產(chǎn)生間接的電離作用。
- The fuel is abundant, the process safe and the waste, though radioactive, is far less noxious than the stuff left over from fission. 燃料儲量豐富,過(guò)程安全,廢料盡管有放射性,但同裂變產(chǎn)生的廢料相比,有害程度要小得多。
- The eyes of rabbit received 0.0125 GY single exposure dose of fast neutron from Amc-Be neutron source. Am-Be中子源;0.;0125Gy快中子照射北京灰兔雙眼及全身;照射時(shí)間為150分鐘。
- Was there anything that was comparable to life and historic progress of social evolution figurative from “fission”? 還有什么能比得上用“裂變”所比喻的人生與社會(huì )演變的歷史過(guò)程的嗎?
- The technique for detecting the delayed neutrons from neutron-induce fission in depleted uranium system was studied by using an active method. 摘要用有源(主動(dòng))的方法研究了貧化鈾及其組合系統的中子誘發(fā)裂變緩發(fā)中子的探測技術(shù)。
- The attenuation of neutrons from a nuclear explosion involves several different phenomena. 核爆炸中子的減弱包括幾種不同的現象。
- The sutdy on technique of measuring fission, delayed neutrons from uranium materials and the method of distinguished nuclear from non nuclear materials with the active method are described. 用主動(dòng)方法研究了核材料鈾的裂變緩發(fā)中子測量技術(shù)和區分核與非核材料的方法。
- Hence a series of measurements were made both in air and in water phantom in attempting to estimate the dose level outside the primary beam of 14 Mev neutron from a D-T neutron generator. 為了估計來(lái)自氘-氚中子發(fā)生器的14百萬(wàn)電子伏中子主要射柱外的劑量水平,我們在空氣及水假體中做了一序列的測量。
- Under the conditions of different shielding and combination, the distributions of delayed fission neutrons from depleted uranium systems were measured and the reliability of the systems was studied. 在不同屏蔽和組合等條件下測量和比較了貧化鈾系統的緩發(fā)裂變中子分布,進(jìn)一步研究了實(shí)驗系統的可核查性。
- He beckoned to me from across the street. 他在馬路對面向我招手致意。
- Don't buy a used car from that rogue. 別從那無(wú)賴(lài)手里買(mǎi)舊車(chē)。
- He is sprung from noble ancestors. 他出身名門(mén)。
- He sometimes lapses from good behavior. 他有時(shí)候會(huì )行為失檢。
- The bank is a ten minutes' run from the hotel. 從旅館到銀行跑步需十分鐘。
- The judge enjoined him from selling alcohol. 法官禁止他賣(mài)酒。
- He got a lot of dope from the secretary. 他從秘書(shū)那里獲得許多內部消息。
- The news comes from a reliable source. 這消息來(lái)自可靠的來(lái)源。
- She read me a few extracts from her own new novel. 她把她自己的新小說(shuō)念了幾段給我聽(tīng)。