相位的突變 的英文怎麼說
中文拼音 [xiāngwèidetūbiàn]
相位的突變
英文
sudden phase anomalies- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 的 : 4次方是 The fourth power of 2 is direction
- 突 : Ⅰ動詞1 (猛沖) dash forward; shoot out 2 (高於周圍) protrude; bulgeⅡ副詞(突然) abruptly; sud...
- 相位 : phase position; phase
- 突變 : 1 (突然急劇的變化) sudden change; change suddenly; transilience; accident; saltation; revulsion...
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The sequence analysis revealed that the as1 gene encodes a myb protein, which is a candidate transcription factor. in as1 and as2 mutants, the polarity formation in leaves is defective. cell differentiation along abaxial - adaxial, proximal - distal and media - lateral axes all shows an insufficient fashion
通過掃描電鏡、干涉相差顯微鏡、組織切片、過量表達等手段研究了as1和as2的功能,包括觀察觀察突變體的組織、細胞結構及早期發育狀況,同時採用gus表達、 rt - pcr 、原位雜交、 northern等手段分析基因的表達情況。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。In theory, distance education takes constructivist theory as its theory basis. to realize the individualization of students, the theory emphasis that the students should be the core in the whole learning activities and put themselves into the learning process positively. therefore, distance education has its own characteristics
建構式學習理論強調學生的主體地位,主張學生在學習過程中的積極參與,以實現學生的個性化發展,因而遠程教育具有其獨特的學習特點,在本文中,筆者提出遠程教育的學習特點在於遠程教育學習行為和學習者特徵的相互作用和影響,任何一方的改變都不能突出遠程教育自身特點的論點。Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions
細胞色素b基因序列變異分析表明: 1 )雁形目鳥類細胞色素b基因全序列長度一致,無插入和缺失:對照雞線粒體密碼子系統全序列能全部翻譯成氨基酸序列,無無義突變,全序列內部無終止密碼子; 2 )序列比對后1143加,含416個核著酸變異位點, 306個簡約信息位點,其中處於密碼子第三位的變異最大,第一位和第二位堿基的變異相對較小。The application of the b - spline wavelet analysis method to series of climate and external forcing factors is introduced. using lag - correlation analysis method, interpretative variances analysis method, phrase comparing method to the wavelet analysis result, we not only gained the variation at different scales of the global temperature and el nino signals, the location of the jump points and latent scale of these series, but also indicated the magnitude, extent of the effect of external forcing factors on them
利用小波分析方法,輔之以滯后相關分析解釋方差分析及位相對應比較方法,得到了氣溫變化及enso活動在各尺度層次上的變化,突變點位置及特徵尺度,並確定了太陽活動火山活動和溫室效應等外強迫因子對氣溫及enso的影響尺度幅度及響應時間。After the algorithms of phase unwrapping is studied, a new phase unwrapping method with flexible marking points is proposed. thus, the effects of noise, height mutation and also shadow can be avoided
研究了相位展開演算法,提出了基於邊緣檢測的柔性多標記點解相方法,克服了傳統解相方法在遇到噪聲時的不足之處,初步解決了高度突變、陰影對相位展開的影響。Pubmed abstract : long - term potentiation of synaptic transmission in the hippocampus is the leading experimental model for the synaptic changes that may underlie learning and memory
《公共醫學圖書館摘要》 :腦部海馬回突觸的長期電位化是與學習和記憶相關的神經突觸變化中相當重要的一個模型。So the likelihood function of the differential phase peaks can be formed as means to identify m - ary psk
於是可利用相位突變峰值的似然函數來識別信號為哪一種進制的psk信號。In chapter two we study the transport properties of a curved quantum wire, such as the mixture of transverse modes, suppress of conductance, local density, abrupt change of transmission phase and so on. these properties is compared to those of a perfect quantum wire
第二章分析了弧形量子線的模式混合,電導抑制,局域態密度,透射相位突變等性質,並將這些性質與理想直量子線進行了對比。In the second of this article i listed the five causes about why the issue of quebec has been existing so long time : the most important cause of the issue of quebec is the intense desire of keeping and persisting the speciality of the france origins in the british origins dominating society ; the culture conflict based on language is imbued with the whole process of quebec issue ; the issue of quebec interweaving with constitution crisis is a important stimulative factor ; the defect in the system of the canada federation affords chance for the rapid development of the issue of quebec ; the change of economic status accelerate the quebec separate trend
本文第二部分概括出魁北克問題長期存在的五方面原因:在英裔佔主導地位的社會中,使法裔的種族特性得以保持和延續的強烈願望是魁北克問題的主要原因;以語言為載體的文化沖突貫穿于整個過程;魁北克問題與加拿大憲法危機相互交織是重要刺激因素;加拿大聯邦制自身的結構缺陷為魁北克問題愈演愈烈提供了可乘之機;魁北克經濟地位的變遷加劇了其分離的傾向。The phylogenic relation and similarity of the gene is full length of lfy - like gene, which is 99 % similar both in nucleic acid sequence and amino acid sequences with that of ginlfy f rom the female. compared with the ginlfy of female, the gene from the male tree is deficient in 3 bp, and mutantion sites exists on the varied region of lfy - like
該基因與文獻報道的銀杏雌株leafy基因相比,核苷酸序列同源性高達99 ,蛋白質序列同源浙江大學博士學位論文摘要性達99 ,缺少了3個核昔酸,突變均在植物leaf 』 y基因的非保守區內。In order to break through the choke point of the traditional design of a telephoto lens, how to eliminate aberrance by means of hybrid refraction - diffraction was studied from the view of the phase polynomial of diffractive surface and phase transformation polynomial of general lens
摘要為了突破長焦物鏡傳統設計中的局限性,從衍射面的相位多項式出發,結合一般透鏡的相位變換式,對折衍混合消像差理論進行了探討。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益These alleles showed wing and cuticle phenotypes related to both wg and hh signaling pathways ( notch and vein defect et al. )
具該類突變體等位基因的果蠅呈現出與wg和hh信號傳導途徑相關的翅和表皮形態。A sister initiate from chicago, who has been an initiate for several years without having the opportunity to meet master even once, had countless fantasies about her first meeting with her. in reality, what she saw was a sporty white convertible car suddenly stop in front of her
一位從芝加哥來的師姊,印心多年未曾見過師父,腦中有無數與師父相見的構想,卻只見一位駕白色敞篷小跑車,身著白色上衣及黑白條紋背帶褲,戴變色太陽眼鏡的摩登仕女突然將車停在她面前。The transmission phase has a abrupt tt change when corresponding transmission amplitude tends zero
當透射矩陣矩陣元為0時,對應的透射相位存在幅度為的突變。The comparative analysis of sequences indicated that the sequences of meq in different pathotypes are relatively conserved and the homology of the amino acid sequences is very high. the significant differences include two mutations in both mdv - 1 vaccine strains cvi988 / rispens and 814 strain : the deletion of a proline ( no. l93aa ), and this mutation is just exactly located in a 15 - amino - acid ( eelcaqlcstppppi ) repeat sequence within the c - terminal transactivation domain of meq protein ; and a point mutation with a shift from alanine ( a ) of all virulent strains to serine ( s ) was occurred on the no. 71 aa
結果發現, mdv不同致病型的meq基因序列相對比較保守,它們相互間核苷酸和氨基酸序列的同源性均很高;但是,與所有七個致瘤性的mdv毒株相比,二個型弱毒疫苗cv1988 rispens株和814株均出現了兩個特徵性的突變:即第194位的p缺失性突變和第71位氨基酸由a變成了s的位點突變;缺失性突變恰恰位於meq基因中轉錄激活域內的一個多脯氨酸的重復序列( pppp )之中。We sequence the inserted gene fragment of the indentified recombinant clone. the result is : angiostatin gene orf ( open reading frame ) links with the orf in expression vector correctly. but the first base of the codon aaa coding for lys414 in plg kringle 4 domain mutates from a to g which leads lys change to glu
隨后取通過上述鑒定的重組克隆菌,對重組子插入片段測序,結果為: as基因開放讀碼框與表達載體的讀碼框正確匹配相連,但在其kringle4區相當于編碼plg的lys ~ ( 414 )密碼子aaa的第一位堿基由a突變為g ,導致相應的氨基酸殘基突變為glu 。On the contrary, biology has catalogued many traits produced by point mutations ( changes at precise positions in an organism ' s dna ) ? bacterial resistance to antibiotics, for example
實情恰恰相反。在生物的dna上,某個特定位址發生的變化叫作點突變。生物學家已經發現許多點突變製造的性狀,例如細菌對抗生素的耐受本領。This study focused on three groups of mutant alleles from mutant alleles of unknown genes. all these three groups of alleles related to either wingless ( wg ) signaling pathway or hedgehog ( hh ) signaling pathway ( each group composed of 3 - 4 mutant alleles )
從該f1遺傳篩選中分離出了很多已知基因的突變體等位基因,其中包括了那些與wingless ( wg )信號傳導途徑和hedgehog ( hh )信號傳導途徑相關的突變體等位基因。分享友人