自發突變 的英文怎麼說

中文拼音 [zìfātūbiàn]
自發突變 英文
spontaneous mutation
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 發 : 名詞（頭發） hair
  • 突 : Ⅰ動詞1 （猛沖） dash forward; shoot out 2 （高於周圍） protrude; bulgeⅡ副詞（突然） abruptly; sud...
  • 自發 : spontaneous
  • 突變 : 1 （突然急劇的變化） sudden change; change suddenly; transilience; accident; saltation; revulsion...
  1. Spontaneous and induced mutation occur with animals viruses.

    動物病毒的突變有自發突變和誘發突變。
  2. Phenanthrene is one of three - aromatic pahs and distributes in environments widely, which causes diseases of human respiration system and skin, and induces mutation, aberrance and carcinogen of fish and other animals

    菲為一種廣泛分佈於自然環境的三環芳烴，能導致人類呼吸系統和皮膚的病變，可誘發魚類和其它生物的突變、畸變與癌變。
  3. After traditional computer network theory and technique has come through a few years of development and change, it has been more and more unconformable to today and future network application development. when face the problem of high outburst and self - similarity of the network flow, complexity and controllability of the cosmically network system, dependability of the network, it has been more and more disability

    傳統的計算機網路理論和技術在經歷了幾十年的發展變化之後，已經越來越不能適應今天和未來網路應用發展的要求，在面臨網路流量的高突發性和自相似性、大規模網路系統的復雜性和可控性、網路可信性等問題面前顯得越來越無力。
  4. Mutant, a powerful tool of analyzing genetic process, has already been extensively used for research in plant growth, metabolism and signal transduction infrared imaging techniques utilize every part of difference of infrared radiation of objects to obtain the details of the thermal images

    而突變體作為剖析復雜生物學過程強有力的工具，已被廣泛用於植物發育、代謝途徑及細胞信號轉導的研究。遠紅外成像技術是利用物體自身各部分對紅外熱輻射的差異把紅外輻射圖像轉換為可視圖像的技術。
  5. In our laboratory, a unique mutation detection system using a shuttle vector plasmid has been established to demonstrate that a low concentration of mnng ( 0. 2 m ) can induce nontargeted mutation in mammalian cells : the mammalian cells were exposed to 0. 2m mnng for 2. 5h, then a shuttle plasmid pz189 carrying supf trna gene was transfected into cells after 24h culture. we found a 5 - fold higher mutation frequency of the plasmid replicated in pretreated cells than the spontaneous mutation frequency of the plasmid replicated in control cells. this kind of mutation did not occur immediately after mnng exposure

    我們實驗室曾用一特殊的突變檢測系統，直接證明dna損傷劑可在哺乳動物細胞誘發非定標性突變：首先用低濃度（ 0 . 2 m ）的短壽烷化劑mnng （半壽期為1 . 1hr ）處理細胞2 . 5h后，繼續培養24h ，將重組有用作突變檢測的靶基因supftrna基因的穿梭質粒pz189轉入細胞復制，發現在未受致癌物直接攻擊的穿梭質粒中有較自發突變率高5倍以上的靶基因突變。
  6. A few mutants were found on the plate containing nitrobenzene selective medium. their colony appearances have some difference from the wild strain. some evidences show that their growth characteristics on the selective medium are related to the plasmids harbored in their cells

    對菌株的自發突變株的研究表明，這些菌株在硝基苯選擇培養基上的生長特性是與它們細胞中所含質粒的特性相關的。
  7. With economy development, the contradiction of expansion qf cities and reduction of rural land. existence and development of peasant, and modernization and peasant small production are apparent obvious, countryside land using rights have gradually changed : peasant are deprived of land using rights by the nation levying land and by the collective collecting land, and the voluntary circulation among peasants because of manpower shifting make land collected with small scale etc. the circulation of land using rights is the necessary tendency, but how to ifiake the circulation in the order, protect peasants interests and national profits mostly are always concerning the subject about which many scholars and country worker are concerned

    而農民唯一的生活保障「土地」 ，在經濟發展中成了「唐僧肉」 ，農民土地使用權肆意剝奪、無序流轉非常嚴重。的確，隨著經濟發展，城市擴張與農村土地減少的矛盾、農民生存與發展的矛盾、農業現代化與農戶小生產的矛盾突顯，農村土地使用權不斷的發生變化：國家通過征地使農民永遠失去土地使用權，集體返租倒包集中土地使農民失去土地使用權，農戶之間由於勞動力轉移自願流轉使土地小規模集中，等等，土地使用權流轉是我國經濟發展的必然趨向。
  8. Most founder mutations are recessive : only a person with two copies of the affected gene, one from each parent, will suffer from the disease

    大部份創始者突變都是隱性基因，也就是說只有當個體中來自父母的兩份基因都有缺陷時才會發病。
  9. He reasoned that harmful mutations which have their effect before the menopause ( or, in the more sophisticated version, before the last child has fled the nest ) will be eliminated by natural selection

    他推理說，自然選擇可以消除那些在婦女絕經期到來前（或者，在更為復雜的理論中，在最小的孩子離家之前）發生作用的有害突變。
  10. There is an evident decrease of the spring greenland sea - ice extent since the 1970s, especially from the 1980s to the 1990s. with the method of mann - kendall, we find that the spring greenland sea - ice extent clearly takes place a catastrophe around 1972

    自二十世紀70年代以來，春季格陵蘭海海冰面積有一明顯的減少趨勢，其中80年代至90年代這種減少趨勢是十分顯著的，由mann - kendall方法確定出春季格陵蘭海冰面積在1972年發生突變。
  11. He ' s calling on the cdc to use laboratory techniques similar to the ones he and his cold spring harbor collaborators have developed to assess the prevalence of autism - related mutations in the u. s. population

    他請求疾管局使用他在冷泉港所設計的設備與技術來評估美國自閉癥的盛行率，也就是評估有關自發性突變的比例。
  12. Architecture department of southeast university during 1960s - 1970s, the birth of series theories on self - organizing systems development, such as dissipative structure theory, synergetics, hypercycle, catastrophe, chaotic theory and fractal theory etc, has enriched our understanding of the nature, society and even the universe

    = 20世紀60 - 70年代相繼誕生的耗散結構理論、協同學、超循環理論、突變論、混沌學和分形理論等一系列系統自組織理論，以系統的發生、發展為重點，探討了系統的自組織演化問題。
  13. In addition to all of the other challenges dr. hall faces, he s also going against the flow as humanity races south to warmer climes, and he s nearly the only one going north.

    同時間他又發現本來炙熱難耐的紐約市，一天內急速降溫，突變冰天雪地，最難過是知道自己的十七歲兒子森姆因出席學界比賽被困於當地。
  14. A team of researchers from the united states and iran has identified a genetic mutation that causes early onset coronary artery disease in members of a large iranian family

    一個來自伊朗和美國的研究小組證實一個遺傳突變導致一個伊朗大家族成員早發冠心病。
  15. In the design and debugging process we found that two different caps with parallel connection may make the amplifier instability. with the analyses of the nonideal cap molding we found that the response curve of two different caps with parallel connection has a saltation whose impedance is infinity and at this pot the amplifier is easy to oscillate. than some suggestion of the use of cap in amplifier design is presented

    在放大器的設計、調試過程中發現兩個不同容值的電容並聯會帶來電路的潛在不穩定，對實際電容，即帶有寄生電感和寄生電阻的電容，建模、分析后發現，不同容值的電容直接並聯其響應曲線會有一個阻抗值為無窮大的突變點，該突變點可能會引起電路的自激。
  16. Natural properties of mutation, growth, and symmetry are drawn parallel to global social issues of cultural hybridization and development

    把自然性的基因突變，發展和保持平衡與文化雜交和發展的全球性社會問題作一個比較。
  17. Founder mutations, which get passed down intact over the generations, are quite distinct from spontaneous hot - spot mutations

    而代代遺傳下去的創始者突變，則和自然發生的熱點突變不同。
  18. The investigation revealed the variants were most prevalent among people with autism

    結果發現帶突變種的在自閉癥患者之間比較高些。
  19. How do we know that these nanobots won ' t mutate and that some of these mutants won ' t achieve the ability, like cancer cells, to disregard any signals that would otherwise trigger self - destruction

    我們怎能確定這些奈米機器人不會突變，而且這些突變體不會像癌癥細胞一樣，有能力忽略任何會觸發自我毀滅的訊號？
  20. Making full use of mutant mice as research models requires correct characterization of the phenotypes that result from induced or spontaneous genetic mutations

    要充分利用突變小鼠作為研究模式，則需要誘發突變或自發基因突變之正確基因表現型特徵。
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