核分裂中子 的英文怎麼說

中文拼音 [héfēnlièzhōngzi]
核分裂中子 英文
fission neutrons
  • 核 : 核構詞成分。
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  1. There are two main types of nuclear division : mitosis, which results in daughter cells identical to their parents ; and meiosis ( reduction division ), which produces daughter cells which have half the number of chromosomes of their parent cells, and in which the genetic material has been recombined

    核分裂有兩種主要的類型：一種為有絲分裂，即子代細胞與親本相同，另一種為減數分裂，其產生的子細胞所含的染色體數為親本染色體數的一半，基因在分裂過程中發生了重組。
  2. Generative nuclei the two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms

    雄原核：在被子植物花粉管中的生殖細胞（應為雄原核譯者注）分裂成兩個配子的核。
  3. In dandelion ( taraxacum ), for example, the chromosomes of the megaspore mother cell remain in one cell after the first meiotic division, forming a restitution nucleus

    例如在蒲公英中，在第一次減數分裂后，大孢子母細胞的染色體仍在一個細胞中，形成一個再組核。
  4. The karyotype of nelumbo nucifera during meiosis zygotene was established in this study, which would help the studies of meiosis and molecular cytogenetics in lotus

    摘要本研究建立了中國蓮偶線期染色體的核型，為研究蓮的減數分裂過程及分子細胞遺傳學研究提供基礎。
  5. In analyzing the neutron active detection, the neutron multiplication in the nuclear warheads induced by outer neutron source with different neutron energys is studied with numeral simulation, and the feasibility of through counting neutrons to determine the presence of high enrichment uranium ( heu ) in nuclear warhead has been proved. the method of detecting the warhead which contains heu pit by counting the released neut rons whose energy is higher than that of source neutron is studied. the feasibility of this method has been studied

    對幾種主動探測核彈頭方法進行的研究中，首先對不同能量各向同性外源中子照射核彈頭的中子增殖行為進行了數值模擬，檢驗了用外源中子照射核彈頭后，通過測量瞬發中子在核彈頭中的增殖量，來證明核彈頭中高濃鈾存在的可行性；研究了用能量低於1mev的外中子源照射核彈頭，用測量核彈頭中裂變產生的高於源中子能量中子數的方法探測核彈頭，通過數值模擬分析了可行性。
  6. Many of the heaviest nuclei can be induced to break up into two fragments of intermediate size, a process called nuclear fission.

    許多最重要的原子核能被誘發分裂為兩塊大小適中的碎片，這一過程稱為核裂變。
  7. However, kit protein doesn " t exist in oogenesis after birth. there are also c - myc positive protein granules in the spermatomeres from metaphase i to telophase ii, in the spermatozoa and in the secretory cells of the spermatheca. c - myc protein expresses not in the normal follicles, but in the follicular cells of the apoptotic ones

    Myc在處于減數分裂的中期至末期的精母細胞的細胞質或細胞核內呈陽性表達，在減數分裂后形成的精細胞和受精囊囊壁的上皮細胞的細胞質內也有陽性表達：但在出生后的卵子正常發生過程中無陽性表達，然而在凋亡卵泡的濾泡細胞的細胞質內有陽性表達。
  8. The mice showed also ageing - associated decline in oocyte quality, as indicated by increased frequency of premature chromatid separation, spindle disruption and / or chromosome misalignments in mii oocytes of aged mice. the gv oocytes from aged mice normally matured in vitro. the percentages of pronuclear - stage embryos, 2 - cell embryos and blastocyst derived from mii oocytes of aged mice by in vitro fertilization ( ivf ) were comparable with ones of young mice, but pronuclei formed 1 h later in aged mice than in young mice

    老齡小鼠gv期卵母細胞能正常體外成熟；老齡小鼠m期卵母細胞經體外受精后形成原核期胚、 2 -細胞期胚和囊胚的比率與年輕小鼠比較無顯著差異，但原核形成時間延遲1小時；在老齡小鼠卵母細胞，注射牛精子抽提物或sr ~ （ 2 + ）處理時所誘發的ca ~ （ 2 + ）振蕩以及在減數分裂成熟及早期胚胎中的pkc分佈未發生改變。
  9. After the treatment was removed for 6 min, the nucleus began to reform in those eggs that the spindle did not recover. after 9 min, new nuclei had been reformed completely. the activated eggs entered the prophase of the next cleavage cycle in about 14 min, the metaphase in 19min ; the anaphase in 24min and the telophase in 29min

    未恢復紡錘體的激活卵在解除休克后6min ，卵內染色體開始核化， 9min時形成新的二倍體細胞核， 14min時處入再次分裂的前期， 19min時進入分裂中期， 24min進入分裂後期， 29min時處于分裂末期，且可以看到子核的形成。
  10. When a pollen grain germinates, a pollen tube pushes its way out through an aperture in the pollen grain wall, and the nuclei migrate into the tube

    生殖細胞核分裂，形成兩個僅由細胞核和細胞質構成的精子，其中一個將與卵受精，另一個則與極核融合形成胚乳核。
  11. By measuring high - fold prompt - ray coincidence events following the spontaneous fission of 252cf, the high spin states in very neutron - rich 113ru nucleus have been studied. furthermore, some isomers in neutron - rich odd - a nuclei 107 ， 109 ， 111 ， 113ru have been analyzed

    通過對252cf自發裂變產生的瞬發譜的測量，對極端豐中子核113ru的高自旋態進行了研究，並對豐中子奇a核107 ， 109 ， 111 ， 113ru的低激發態同質異能態進行了分析。
  12. In addition, considering the essential characteristics of the fusion - fission hybrid reactor, the preliminary analysis and research of the mhd pressure drop of liquid metal that flow through the fuel packed pebble bed - based blanket are given

    另外，基於聚變中子源驅動的次臨界清潔核能系統，針對聚變?裂變嬗變混合堆的本質特點，對液態金屬球床包層進行初步地探討和研究，進行了球床液態金屬溢流的磁流體動力學流動的建模分析和計算。
  13. The liquid metal pb - 17li flow through a packed pebble bed - based blanket is considered to be one of the blanket candidates. the mhd pressure drop of liquid metal flow through the packed pebble bed has been calculated and analyzed under various conditions including ( a ) the size of the packed pebbles ; ( b ) the ratio of occupied room by the packed pebbles to that of liquid metal ; and ( c ) whether the pebbles surface is insulated or not

    在聚變中子源驅動的次臨界清潔核能系統的科學可行性和技術現實性基礎上，對聚變?裂變嬗變混合堆的多種概念性包層進行探討，對影響液態金屬在球床包層中的mhd壓降的相關因素（包括燃料小球的大小、液態金屬與燃料小球的占空比和燃料小球表面是否絕緣）進行分析研究。
  14. In addition to splitting the nucleus into two halves, the process releases two or more neutrons and a large amount of energy in the form of heat. the released neutrons in turn hit more uranium nuclei and release more neutrons to produce a chain reaction

    核裂變過程除了把原子核分裂成兩份外，亦會釋放大量的熱能及同時放出兩個或以上中子，以撞擊更多鈾原子核，再釋放更多中子，產生鏈式裂變反應。
  15. The results show that coincidence detection method has obvious benefit in detecting nuclear warheads. for the same type warhead, the coincidence counts rates of the model of warhead of heu pit is 10 times as big as that of fake warhead of natural uranium pit. if we know the nuclear warheads configuration by other methods, the method of coincidence neutron detection could be used to distinguis h the fake nuclear warheads from the reals

    計算表明用探測符合中子的方法探測核彈頭對區分真假核彈頭有明顯的優點，對于同一核彈頭模型，裂變彈芯是高濃鈾和用天然鈾替代高濃鈾時，符合中子計數相差1個量級，如通過其他途徑了解核彈頭的大致結構，符合測量的方法就可以有較高的置信度分辨真假核彈頭。
  16. Cortical granule ( cg ) is an unique type organelle of mammalian oocyte. during the maturation of oocyte, cgs shows a specific change in distribution. the generally accepted indicator of final cytoplasmic maturation is the line underneath oocyte membrane constituted by cgs

    卵母細胞在成熟和受精過程中，細胞骨架發生一系列明顯的變化，微管是一種重要的細胞骨架成分，對于哺乳動物卵母細胞減數分裂的完成、精子的運動、雌雄原核的結合是必不可少的。
  17. Kuroda ' s first condition was that the size of the uranium deposit should exceed the average length that fission - inducing neutrons travel, about two thirds of a meter

    黑田和夫推測出的第一個條件是，鈾礦床的大小，必須超過核分裂所產生的中子所移動的平均長度，約為2 / 3公尺。
  18. Now and then, there exists the phenomenon that a few sperms penetrate into egg, while polyspermy is few

    70min ，合子核進入第一次有絲分裂中期。 80min ，染色體處于有絲分裂後期。
  19. In this process the nucleus breaks up into two intermediate-sized nuclei.

    在這種過程中，那個原子核分裂成兩個中等大小的核。
  20. Then, as more water returned to the reaction zone, neutrons became properly moderated and fission once again resumed, allowing the cycle of heating and cooling to repeat

    然後，隨著更多的水回到反應區，中子受到適當的緩沖，核分裂再度展開，使得上述加熱和冷卻的循環重復。
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