突變態 的英文怎麼說

中文拼音 [tūbiàntài]
突變態 英文
cataclysmic metamorphosis
  • 突 : Ⅰ動詞1 （猛沖） dash forward; shoot out 2 （高於周圍） protrude; bulgeⅡ副詞（突然） abruptly; sud...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  1. The materials in this study were arabidopsis thaliana. ( wt ) and its mutants including ethylene over producer mutant ( eto1 - 1 ), ethylene insensitive root mutant ( eir1 - 1 ) and ethylene insensitive mutant ( etr1 - 3 ). from the phenotypes of 12 - d - old seedlings of arabidopsis wt and mutants, the root gravitropism was obviously enhanced in etol - 1, but diminished in eir1 - 1 and etr1 - 3, compared with wt. the shoot negative gravitropism was also diminished in etiolated seedlings of etr1 - 3

    以擬南芥的eth過量產生型突變體（ etol - 1 ） ，根對eth不敏感型突變體（ eirl - 1 ，地上部對eth響應） ， eth不敏感型突變體（ etrl - 3 ，地上部和根均對eth不敏感）及其野生型（ wt ， columbia生態型）為實驗材料，利用根的向重力性反應為模式，分析了其中eth對auxin效應的調控及其原因。
  2. An initial discussion of application of catastrophe theory in analyzing and assessing frangibility of mountain eco - environment

    突變理論在山地生態環境脆弱性分析評價中的應用初探
  3. A conflict or a frustration is not necessarily pathogenic.

    一個沖突或者阻撓不一定會產生心理變態。
  4. Dwarfism stunted growth. this may be due to genetic mutation, causing gibberellin deficiency

    矮態：植物生長受到限制形成的植株形態矮小，可能是由於基因突變造成的赤霉素缺乏引起。
  5. There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines

    發生斷線故障以後，線路中會出現負序電流的突變，可以作為故障啟動判斷的標志，並且通過分析得出了故障時負序基波電流的相位特點。在故障暫態過程中，故障電流中含有大量豐富的諧波成分，各次諧波在故障期間有突變，並且衰減很快。
  6. In this paper, features of decadal variability and the possible mechanism of sea - air system in the pacific are investigated by using upper - ocean temperature, heat storage and wind stress data, the main results are as follows : the most pronounce decadal sign exists at about 160 meter in depth in the western pacific. there are significant decadal abrupt changes in temperature from surface to deep in the subsurface at about 1980. with different depth in the subsurface, there exist 4 types of abrupt change modes, their generation is closely related to the decadal sign which originates from the east of north pacific and propagates along the south - west subduct ion route

    研究表明，太平洋次表層海溫最強的年代際信號在熱帶西太平洋約160m深處，此信號在1980年前後從上至下，先後經歷了一次顯著的年代際突變過程，而且隨深度的不同存在著四種不同的空間突變模態，這四種模態的形成與北太平洋海溫異常的西南潛沉路徑有著密切的聯系。
  7. Extrinsic asthma : there is typically an association with atopy ( allergies ) mediated by type 1 hypersensitivity, and asthmatic attacks are precipitated by contact with inhaled allergens

    外源性哮喘:它與型超敏反應（變態反應）有明顯聯系，哮喘突然發作與吸入變應原有關。
  8. In recent years, nonlinear methods have attracted more and more attention and there have been some successful cases, such as median filter, mathematical morphology, etc. as a preferred way to inverstigate nonlinear numerical problems, the continued fractions method can effectively express the gradually changing data or abrupt data, so it is meaningful to study image processing by means of the continued fractions theory and algorithms

    近年來在圖像處理領域，利用非線性方法進行圖像處理取得較好效果的有中值濾波、數學形態學等，非線性方法已引起越來越多研究者的重視。作為研究非線性數值問題的首選方法?連分式方法，不僅能反映數據的漸變性，也能反映數據的突變性。鑒于這些原因，本文將連分式插值和逼近引入到數字圖像處理領域，開展了圖像插值、圖像重建等方面的研究。
  9. Four out of 150 random primers could detect dna polymorphism between the two mutants and the wild type arabidopsis thaliana, which provided a strong evidence for the truth of the mutants. only one primer gave a specific dna fragment about 1200bp which two mutants own but the parent do n ' t. we drew a preliminary conclusion that the fragment might be related to the salt - tolerance gene

    擬南芥抗鹽突變體的rapd分析結果表明， 150條引物中有四條引物在突變體和野生型擬南芥之間擴增出多態性，證明了dna水平突變的發生，其中1條引物在突變體的擴增產物比在野生型的擴增產物多出一個大小約為1200bp的片段，初步認為該片段可能與植物的抗鹽性有關。
  10. The morphological, physiological, biochemical and genetic diversities between bacillus thuringiensis wild - type strain ybt - 1463 and its plasmid - free mutant bmb171 was comparatively studied. it showed that the plasmid - free mutant strain bmb171 lost the ability to form the parasporal crystal, but there was on obvious diversities were observed on the sensitivity to 10 antibiotics, the utilization of 19 carbon sources and 12 nitrogen sources, as well as the growth properties between ybt - 1463 and bmb171, whereas the electro - transformation frequencies of bmb171 were much higher than those of ybt - 1463, respectively with 5 exogenous plasmids as the donor dnas

    對出發菌株ybt - 1463和其無質粒突變株bmb171的部分形態、生理生化和遺傳學特性進行的比較研究的結果表明，突變株bmb171不形成伴胞晶體，但在個體形態與菌落特徵、對紅黴素等10種抗生素的敏感性、對葡萄糖等19種碳源和谷氨酸等12種氮源的利用能力及生長性能與出發菌株ybt - 1463無明顯差異。
  11. But to take advantage of these mutations, our ancestors needed a high - quality diet and a lifestyle sufficiently sedentary to permit fat deposition, he asserted

    他斷言，我們的祖先為了利用這些突變，需要高品質的食物，也必須採取比較靜態的生活形態，使脂肪能夠在體內堆積。
  12. Combined with the graph correlating the first resonance frequency with driving point location, the method localizes the crack by monitoring a jump in the graph

    結合裂紋梁第一階諧振頻率與驅動點位置關系曲線，利用曲線上出現的突變點，準確地識別了梁的損傷狀態和裂紋損傷位置。
  13. In the genetic process of reproduction, crossover and mutation of the chromosomes in this method, these operators pr, pc and pm are produced randomly within some space, the scale of population and all kinds of genetic probability are also adjusted randomly so that the diversity individuals of population is ensured. the ga of dynamic population scale passes more information of paternal chromosomes to the offspring, which is beneficial to search the global optimization or quasi - global optimization

    該方法在染色體進行繁殖、交叉、突變的遺傳過程中，在某一范圍內隨機選取p _ r ， p _ c ， p _ m ，動態調整種群規模，保證了種群個體的多樣性；選擇同父本分別進行三種遺傳過程使得父本染色體中有更多的信息傳遞給子代，這有利於搜索全域最優解或準最優解。
  14. By using single strand conformation polymorphism analysis of polymerase chain reaction ( pcr - sscp ), the frequency of codon 54 mutant allele of mbl structural gene in the population of hans was investigated. 3. the molecular beacon ( mb ) hybridization technique with visual monitoring was established

    建立聚合酶鏈反應單鏈構象多態性分析inglestrandconforma tlonpolymorphlsmanalysisofpol仰erasechainreactionproduction ， pcr sscp ）方法，初步調查漢族人群mbl基因ggc54gac突變情況。
  15. A rare mutation has left the eight - day - old duckling with two nearly full - sized legs behind the two thathe runs on

    這是一隻剛出生態平8天的基因突變的鴨子，在走路時後面跟著兩條幾乎同樣大小的腿。
  16. Anthropogenic activities ( e. g. development, over - grazing, timber harvest ) can disrupt the structural integrity of oasis - desert landscapes and is expected to impede diversity communities across the landscape and make it fragmented. with human dimension and activities enhancing, the patchiness grain, edge density and landscape contrast become large, landscape diversity and patch fractal dimension decreased

    隨著人類活動的增強，斑塊粒度、邊緣密度、分散度、對比度變大，而景觀多樣性下降，斑塊分維數變小，人類生產經營活動導致了綠洲-荒漠景觀破碎化，綠洲和荒漠生態系統界面上的突變性、對比度和異質性增強。
  17. The future characterization and genetic analysis for candidate mutant were carried out and find that some candidate mutant ( such as roi30 doil - 1 doi0311131 ) have good phenotype by drought h2o2 aba - stressed treatment. at the same time we also observe the development of candidate mutant at different growth stages carefully. many modal difference between mutant an d wild type at the same period were found, such as more rosette layering fatty and big in leaves, advancment or delay for the flower period, rosettes living in the main stem, shorten in figure, the amount of seed little, sterilization etc. these physiological and modal changes may reflect with maladjustment in expressions of some gene and confusion on their inner control, . we will futher study concrete and detailed function mechanism

    我們對這些擬南芥侯選突變體進行進一步的鑒定和遺傳學分析，發現ro口口、 doil 、 doi口jlll3i等潛在突變株對aba 、過氧化氫及早脅迫有明顯表型，同時對潛在突變體的生長發育進行了詳細的觀察，發現多數潛在突變株與同條件下野生型比出現了許多明顯的形態改變，如:蓮座基葉增多、分層、肥大，花期提前或延遲，主莖生輪座，株型矮化，產籽量少，不育，敗育等，這些生理和形態上的差異很可能反映了它們內部某些基因的表達受到了影響、代謝調控發生了紊亂，具體和詳細的作用機制還需要進一步的研究。
  18. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論，在非線性磁場計算中：採用迭代法的情況下，在各迭代循環之間進行磁導率修正時，一個欠鬆弛迭代過程是必需的；對永磁體中的等效電流修正時可以不作欠鬆弛迭代；在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值，會使得插值求出的磁導率在該磁飽和值附近有一突變，這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中，由於微波管磁路比較復雜，作者認為磁體的工作點並不能很好地反映磁體的工作狀態，而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況；要表示磁系統設計好壞的程度，則用磁能利用的效率為標準更好。
  19. After we apply the design scheme of this paper to a three - phase asynchronous motor, the simulating experiment result indicates that the digital control system realizes the motor ' s stable running and fast response during the start - up and unexpected change in load ; moreover, it realizes the good dynamical performance

    將本文的設計方案應用到一臺實驗用三相異步電動機上，模擬實驗結果表明本文所設計的基於tms320f240dsp晶元的數字控制系統能夠控制電機穩定運行，啟動及負載突變時反應迅速，被試電機動態性能良好。
  20. Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load

    作為本文的一個創新點，針對普通的直接轉矩控制在給定轉矩躍變時反應較慢的缺點，提出了一種模糊控制器，把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入變量，應用模糊邏輯來確定逆變器的開關狀態，該模糊控制器根據一套基於專家經驗和知識的模糊規則來選擇開關狀態，從而有效地提高了系統在啟動和負載突變時的響應速度。
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