誘變發生 的英文怎麼說

中文拼音 [yòubiànfāshēng]
誘變發生 英文
mutagenesis
  • 誘 : 動詞1. （誘導） guide; lead; induce 2. （使用手段引人隨從自己的意願） lure; seduce; entice
  • 發 : 名詞（頭發） hair
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  1. Niger with phytase activity about 2250 u / ml which selected by protoplast - uv mutation was used as original, prepared it into fungu - suspend - liquid, through uv mutation, daub on the filter - substract. pre - primary - selection was according to the lucency - circle, primary - selection was one fungus inoculate one flask to ferment, secondary - selection was using several high phytase activity fungus through one fungus inoculate 2 - 3 flasks to ferment. then one or two high phytase activity fungus of the secondary selection were used in the next mutation cycle

    首先用粗略制備的原生質體經紫外誘變篩選到一株酶活為2250u ml的實驗出發菌；制備成菌懸液，紫外燈下照射誘變，紅光下塗抹篩選平板，恆溫培養2 3d ；按透明圈大小進行預初篩，挑選徑圈比大的菌落接斜面，恆溫培養3d ；按一株一瓶的方式進行初篩；從中選取酶活較大的3 5株，按一株2 3瓶的方式進行復篩；挑取酶活大且穩定的1 2株進入下一代誘變篩選。
  2. Some blastspores even can expanded, germinated as time went on. the cockroach restrained the blastospores by phagocytosing and nodulation, and many of them melanized 5d postinfection

    注射誘導后血淋巴蛋白質最明顯的變化是一些原有蛋白質濃度發生改變，如88k蛋白質顯著增加，而42k蛋白質含量減少等。
  3. Environmental mutagens can also induce mutations at undamaged sites and result in the so - called nontargeted mutation

    環境誘變劑引起的突變也可發生在非dna損傷部位，我們稱之為非定標性突變（ nontargetedmutagenesis ） 。
  4. However, environmental mutagens can also induce mutations at undamaged sites and result in the so - called nontargeted mutagenesis

    但是環境誘變劑引起的突變也可發生在非dna損傷部位，它被稱之為非定標性突變（ nontargetedmutagenesis ） 。
  5. 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。
  6. The bell - shaped time course of the information entropy indicates that a forward mutation of " - resistant " hosts takes place, since no loss of cellular viability occurs for the second growth phase of reinduced ( i. e. recovered ) cells

    從誘導過程之鐘形訊息亂度之時間趨勢表示正向反應變異為-阻抗能力之宿主菌確實已發生，因為再誘導菌相細胞之第二生長期並未發生因感染而失去細胞存活之現象。
  7. Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis

    單功能烷化劑n -甲基- n -硝基- n -亞硝基胍（ mnng ）是一種在環境中廣泛存在的化學誘變劑和致癌劑，它能和dna及蛋白質等生物大分子形成加合物（ adduct ） ，其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤，這種損傷與腫瘤尤其是胃癌的發生密切相關。
  8. Apoplexy may lead to disability or beath, is known to be verydangerecus for hyman health. inclinical data, apoplexy is shown to be preventable or curable. the thesis presents the mechansm and the method to avoid the internal infury leading impairment or to the death. morbidity and internal cauce are shown to be the major factors, responsible for the deseace. apoplexy is happening and changing are shown to relate to the age, blood pressuce, mentalith, climate, feeling etc, among which, high blood pressure is shown to the culpril inducing apoplexy

    卒中是可以預防或推延發病的，唯需「未病先防，既病防變」 ，始可收效.其病因機制是「內傷積損頹敗」 ，強調內因是主要的，有時是綜合因素致病.其發生和變化與年齡、血壓、代謝、氣候、情緒、飲食等有密切的關系.尤其高血壓是誘發卒中的元凶，預防卒中的關鍵在高血壓、小中風、高血脂癥等的防治
  9. Methods to be applied include extracellular ca2 + influx treatment and intracellular ca2 + measure by transgenical expression of ca2 + fluorescence indicator during fertilization. the former is first to obtain protoplasts of female germination unit in different development stages, then ca2 + lonophore treatment ; the latter is to express transgenically the ca2 + - sensing cameleon protein in torenia fournieri, which allows long term measuring stimulus - induced cytoplasmic ca2 + changes

    工作之一首先是檢測受精過程中雌性生殖單位中發生的顯著的細胞學變化，以此作為受精與否的標志；然後經過外源導入鈣（ a23187誘導）研究[ ca ~ （ 2 + ） ] _ （ cyt ）在受精過程中的這一細胞學事件發生中所起的作用。
  10. Through screening a lot of mutants with the method of transparent zones and culture filtrate, the best four were obtained with high - yield of stable phb depolymerase, named as 02, 04, 09 and 14

    以青黴（ penicillium . sp ） ds9701為出發菌株，通過紫外線誘變分生孢子，採用透明圈初篩和搖瓶培養復篩的方法，獲得4個能穩定遺傳的phb解聚酶高產菌株。
  11. The dark decay of the spectral change was also studied. two recovery time constants were obtained by fitting. one is 2. 5 hours and the other is longer

    研究表明這種紫外光誘導的電荷遷移帶變化是由於eu ~ （ 3 + ）離子周圍局域環境發生的變化引起的。
  12. Studies suggest that it probably interacts directly with the viral polymerase, and we want to confirm that by mutagenesis and by enzymatic activity assays, " said tao

    有研究表明，核蛋白可能會和病毒的聚合酶直接發生相互作用，我們將通過人工誘變技術及酶活性測定等技術來核實這一說法。 」
  13. Advantages, disadvantages and limits of arm are thoroughly examined using signal processing methods. based on the above, incoherent and coherent two - point - source decoy methods and modified coherent two - point - source decoy methods to deflect arm are brought forward. arm ’ s homing heads are generally of mono - pulse structure, so coherent two - point - source ’ s interference resembles that to mono - pulse radar except that interference to radar belongs to far field scope, but interference to arm varies from far field to near field because relative distance drastically changes between the homing head and the two - point - source with missile ’ s homing head continually approaching the target

    Arm的導引頭一般為單脈沖體制，因此，相干兩點源對導引頭的干擾類同於對單脈沖雷達的干擾，不同的是:對雷達的干擾都是遠場，而導引頭隨著導彈不斷接近目標，兩點源與導引頭的相對位置發生劇烈變化，由遠場變化到近場;導引頭天線口面上的合成場也發生了大的變化，相位波前的畸變產生干擾，這就是相干兩點源誘偏的基本思想。
  14. The effect of the strain gradient on the onset of adiabatic shear instability in gradient - dependent particle reinforced metal matrix composites is investigated by using of linear perturbation analysis in this paper. the analytical results demonstrate that high strain gradient produced by the reinforcing particle will provide a strong a deriving force for the onset of adiabatic shear instability in mmcp

    結果表明：增強顆粒的加入，改變了基體材料的微結構，並在基體中誘導了高的應變梯度，而這種高的應變梯度為mmcp的失穩提供了強大的驅動力，使其更易發生絕熱剪切變形局部化失穩。
  15. Therefore, it is important to study the profiles of gene expression, which will help understand the global cellular stress responses to chemical carcinogens, and further elucidate the mechanisms of nontargeted mutagenesis

    所以，從整體上研究烷化劑作用后細胞基因表達譜改變，對于了解化學致癌物誘發的哺乳動物細胞應激反應的全貌和揭示非定標性突變的發生機制具有非常重要的意義。
  16. Chromosomal instability is associated with a primary event or a subsequent event during cancer development. therefore, to understand how arsenic induces chromosome instability may be of fundamental importance to further characterize mechanisms of carcinogenesis

    由於染色體不穩定性與癌癥發生的早期事件和晚期變異均有密切的關連，因此探討砷化物誘引染色體不穩定性的機制，將可應用於了解癌癥發生的機制。
  17. This change will not take place without the opportunities of gaining profit from certain disorder of institution

    要發生誘致性制度變遷必須要有某些來自製度不均衡的獲利機會。
  18. The paper adopted the common breeding way by series of mutagen treating to the yeast ' s cell and spheroplast. finally, the excellent mutant 75l 3555 was obtained. its nature of the production was determined and it can product ethanol on the condition of 40 and have high fermentative speed and stable production. on the other hand, the test was made that the best fermentative condition was found. in the malt juice, adding 0. 02 % k + or 0. 03 % a13 + can increase the production strikingly and adding some degree concentration trahalose can increase the production too and cut short the time of taming. in the study of using molasses producting ethanol, we can obtain high productivity contained the following composition : nitrogen source 1. 5 % maize and 0. 075 % ( nh4 ) 2so4

    本實驗以常規的育種方法，通過對酵母細胞懸液和原生質體進行一系列誘變，經過大量的篩選，最終選育出一株耐高溫高產菌株75l _ （ 3566 ） ，並對其進行了生產性能的測定。 75l _ （ 3566 ）在40條件下，濃度為20 bx的麥芽汁發酵液中，產酒率高達11 . 5 ，而且發酵速度快，發酵周期可縮短12h ，其生產性能穩定，可以適應大部分以澱粉質為原料的生產廠家的需要。同時本實驗對75l _ （ 3566 ）進行了發酵條件優化的初步研究。
  19. This writing notes that sustainable development, as the ethics and paradigm, has played a decisive role in the production of scientific knowledge, the appraisal to the scientific achievement, and the motivation to the scientist. besides, the writer wants to explain what effects the sustainable development has brought into play to the market and society, its influence and induce to the formal scientific institutions, as well as its positive interaction with the whole society

    這一調整將從非正式制度安排的角度，指出可持續發展作為範式和科學家的精神氣質在科學知識生產中、科學成果評價和對科學家的激勵過程所起的有決定意義的作用，論述它在社會和市場所發揮的效應，揭示它對正式科技制度所產生的影響和誘變，以及和整個社會發生的有益互動。
  20. Part i this paper has minutely studied the interaction between ag ( i ) and serum albumin. the binding of ag ( i ) to human serum albumin ( hsa ) or bovine serum albumin ( bsa ) has been studied by equilibrium dialysis at ph ( 5. 4 ). the scatchard analysis indicates that there exists several strong binding sites of ag ( i ) in both hsa and bsa. a notable hysteretic effect has been observed in the interaction of ag ( i ) with hsa or bsa using uv - visible spectrometry at ph ( 5. 4 ), which shows that the binding between ag ( i ) with hsa or bsa may induce a slow transition of hsa or bsa from the conformation of weaker affinity for ag ( i ) to one of stronger affinity ( a - b transition ). the rate constants and activation parameters of this transition parameters of this tansition were measured and discussed. the binding equilibrium has been also studied by resonance light - scattering spectrum ( rls ) and flurescence quenching

    第一部分：等離子點ph （ 5 . 4 ）條件下，用平衡透析法和紫外光譜，熒光光譜，共振散射光譜研究了ag （ ）與人血清白蛋白（ humanserumalbumin ，簡稱hsa ）或牛血清白蛋白（ bovineserumalbumin ，簡稱bsa ）的結合。 scatchard圖分析表明， ag （ ）在hsa或bsa中有強弱兩類結合部位，通過計算機擬合獲得結合的逐級穩定常數值。紫外掃描發現ag （ ）與hsa或bsa的結合存在滯後效應，表明ag （ ）與hsa或bsa的結合可能誘導蛋白質構象發生緩慢變化（ a - b ） ，測得並討論了這一構象變化的速度常數和活化參數。
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