點變異 的英文怎麼說
中文拼音 [diǎnbiànyì]
點變異
英文
point variogram-
The different locus outcrossing rate of adiantum reniforme l. var sinese y. x. lin has great change in the same population, and the outcrossing rate difference of the same enzyme locus is also high in the different population
荷葉鐵線蕨不同位點的異交率在同一居群內的變化很大，而不同居群間的同一酶位點的異交率差異也是較大的。Those whom nature had depicted as merely quaint became grotesque.
本來只可以說有一點奇異的東西，現在都變得光怪陸離。Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters. results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p. polyactis in the yellow sea and the east china sea, which supported the previous conclusion by morphological and ecological methods. part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea
50一2 . 44 ） ，群體內和群體間的遺傳變異比例分別為69 %和31 % ;群體間的平均遺傳相似度和遺傳距離分別為0 . 9139和o . q861 ;用非加權配對算數平均法（ unweightedpair - groupmethodofari山m七tiome即s ， upgma ）聚類分析的結果表明，所分析的5個群體可被分為3個地理群系，從分子水平上支持了過去有關學者把黃海和東海的小黃魚劃分為北中南3個地理群系的觀點。As analyzed, ( 1 ) the rapd technique is highly sensitive to investigating genetic diversity in t. lepturus and e. muticus. t. lepturus exhibits lower polymorphism and genetic diversity than e. muticus ; ( 2 ) according to the analysis of the partial mitochondrial 16s rrna gene sequences, a very low intraspecific variation and considerably high divergence among species were found, which reveals a dual nature of conservatism and variability in mitochondrial 16s rrna gene ; ( 3 ) five primers generate the species - speeific rapd sites and these sites can be served as the molecular markers for species identification and ( 4 ) it can be proved at dna variation level that t. lepturus and e. muticus are of two species respectively pertainiag to different genera, which supported the nelson taxonomic conclusion
分析結果表明: （ 1 ） rapd技術研究黃海帶魚和小帶魚的遺傳多樣性具有較高的靈敏度和檢出率，帶魚的多態比例和遺傳多態度均較小帶魚的低; （ 2 ）線粒體165出兇a基因序列在分析兩物種遺傳變異時表現出保守和變異的雙重特性，種內變異極小而種間較大: （ 3 ） 5個隨機引物擴增出種特異的ra衛d帶，可作為種間分子鑒定標記; （ 4 ）研究證實帶魚和小帶魚是不同屬的兩個種，從而在分子水平上支持了nelson分類系統的觀點。And amino acids of strain mrv between antigenic site and glycosylation site is different. to some extent, it will decide and change the antigen of mrv
Mrv的抗原部位和糖基化位點氨基酸均有變異，這種變異可能在不同程度上會改變毒株的抗原性。In more northern plantations the total range of variation is less.
在北部的試驗栽植點則總的變異幅度較小。The results show that ( 1 ) loops are in general more variable than stems, and in loops a strong adenine bias are observed : ( 2 ) there does not exist a saturation effect in stems, loops or all positions of the 16s rrna gene fragments : ( 3 ) in the molecular cladogram, bagarius forms a sister group with glyptothorax, and euchiloganis forms a sister group with pareuchiloglanis, and exostoma forms a sister group with glyptosternum : ( 4 ) the phlogenetic positions of pseudecheneis, exostoma and glyptosternum are not recognized ; the glyptosternoid fishes are not monophyly although they are defined by 13 osteological apomorphies ; the incongruence of cladograms between molecular and morphological sets may be caused by less informative sites of the 550 homologous sites ; ( 5 ) e. davidi and e. kishinouyei could be the same species according to the genetic distances ; p. sinensis and p. anteanalis could be too
結果表明： （ 1 ）環區平均變異位點較莖區多，有很強的a偏好性； （ 2 ）沒有替代飽和現象； （ 3 ）分子系統樹上?屬和紋胸?屬構成姐妹群，石爬?屬和?屬構成姐妹群， ?屬和原?屬構成姐妹群； （ 4 ） ?屬、原?屬和褶?屬的系統發育位置不定， ? ?魚類並未形成一個單系類群；可能的原因是所得到的16srrna基因片段信息位點太少； （ 5 ）青石爬?和黃石爬?可能是同一物種，中華?和前臀?可能是同一物種。Total of 1030 aligned sites were obtained, including 346 variable and 259 parsimony informative sites
序列比對后約1030bp ，含346個核苷酸變異位點， 259個簡約信息位點。A little taste of the alloy, the eradication of this city all the biological variability
有點合金的味道，消滅這座城市所有的生物變異人！Introduction : a little taste of the alloy, the eradication of this city all the biological variability
有點合金的味道，消滅這座城市所有的生物變異人！The case study shows that the compounding and distribution of the cave animals has changed under the interference of human activities in the studied area, in detail, the change of the amount of such animals as mosquito and fly, the reduction of the amount of bat, the aberrance of the amount and body size of oreolalaxrhohostig metu stadpole, the death of bat, the shape change of diestrammena marmorata, the change of population and community, the change of bio - relation, the weakening of eco - function, and some special adaptive form
案例研究顯示，定點調查地區的洞穴動物在人類活動的干擾下：種類組成與分佈發生變化，蚊蠅類動物的數量發生變化，蝙蝠數量趨減與位移或遷移和紅點髭蟾蝌蚪的數量與個體大小發生變異，蝙蝠致死與斑灶馬形態發生變異，動物群落類型發生變化，生物關系發生變異，蝙蝠的生態功能削弱，動物產生特殊的適應形式。The paper introduces the progress in protoplast research of compositae plants with emphasis on protoplast isolation and culture, factors affecting protoplast regeneration, variances of protoplast - regenerated plants, protoplast utilization, and points out currently - existing problems and future research priorties
摘要介紹了目前菊科植物原生質體研究進展，重點對菊科植物原生質體分離、培養、影響原生質體再生的因素、原生質體再生植株的變異、原生質體的應用等方面的研究工作進行了總結，提出了存在的問題和今後的工作重點。In thl1 gene, there are some famililar enzyme digest sites including bamh i, hind, sac i and sal i. the sequence of thl1l from brassica oleracea l. shows 99 % identity to the sequence of thll from brassica napus l. there are some phosphorylation sites and an active site of thoiredoxin h members consisting of cppc in thll protein
甘藍和油菜thl1基因序列有5個堿基的差異，而氨基酸僅有2個氨基酸的變異，同源性達99 。在thl1蛋白的氨基酸序列中發現了一個硫氧還蛋白家族的活性位點（ cppc ）和多個磷酸化位點。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。On the basis of examination of more than 2000 specimens ( including types ) from 15 herbaria worldwide, the characters features of species, phonological phase, ecoloigical habit and the relation to close species were analyzed, recorded and described, the disputed species were compared, measured and counted in detail, the quantitative analysis to different characters was done through dot - map, the variation pattern of major morphology characters was analyzed and their significance for a better delimitation of the species was evaluated
查閱或借閱國內外17個標本館近2000份標本（包括模式標本） ，描述了每個種的性狀特徵、物候期、生態習性及其與近緣種的關系，確定性狀的極性，對有爭議種的形態性狀進行詳細的測量和比較，用散點圖對個別性狀作定量研究，分析了主要外部形態學性狀的變異式樣、變異幅度及其對劃定物種范圍的價值。The percentage of polymorphic sites, degree of genetic polymorphism and genetic distance were compared and the phylogenetic tree was constructed by neighbor - joining method. the partial mitochondrial 16s rrna gene was amplified by polymerase chain reaction ( pcr ) and the pcr products were directly sequenced after purified. these sequences, together with the homologous sequences of another trichiuridae species lepidopus caudatus obtained from genbank were used to analyze nucleotide difference and to establish a upgma phylogenetic tree by means of biological informatics
汝us價ay1830 ）各12個個體進行rapd分析，對比多態位點比例、遺傳多態度以及遺傳距離，並構建neighbor - join噸系統樹;通過pcr擴增出線粒體165rrna基因，純化后直接測序，利用生物信息學方法進行序列分析和核昔酸變異比較，結合ge紅bar止中大西洋叉尾帶魚（ lepid （護腳caud玫tuseuphrasen1788 ）同源序列構建u甲cm叭系統樹。Abstract : the polymorphism of angiotensinogen gene at position 174 was studied in 90 cases of essential hypertension patients and 109 controls by pcr, restriction enzyme analysis and electrophoresis methods. the results showed the distribution of genetypes in hypertension group was significantly different from that of controls group. this suggested there is a correlation between the variant of agt174 and hypertension
摘要本文採用pcr 、限制性酶切和電泳分型等方法，分別對90例原發性高血壓患者和109例正常人血管緊張素原基因多態位點agt174進行了檢測，結果表明，高血壓組中三種基因型的分佈與對照組顯著不同，提高該位點變異與原發性高血壓的發生相關。The best bet at the moment is probably that the phage integrase method can be used by getting a better hold of how its site - specificity works and therefore being able to design changes to it rather than using the very weak technique of in vitro evolution - - but this will need a lot of hard work
目前大可一賭的是：嗜菌體整合酶方法也許可以利用：較好地拿捏位點特異性使之起作用，而因此能設計改變嗜菌體整合酶，而不是利用體外進化的很不可靠的技術?但這需要做大量艱苦的工作。Therefore, based on the key project ? esearch on some basic problems on quality control and source tracing in modern manufacture ? ( no. 59735120 ) sponsored by national natural science foundation, a deep research is made in this dissertation its branch subject ? the theory and technology of zero - waste control. the main work and achievements are as follows : 1. on the basis of the introduction of common quality control methods, some key problems about statistical quality control are elaborately discussed ; a method to decide the quality control line is developed ; a mathematical model based on the sampling plan of multi - variation of product quality is set up ; the process manufacturing condition of quality control chart is discriminated using the theory of fuzzy diagnosis
為此，本文基於國家自然科學基金重點資助項目「現代製造質量控制、溯源若干基礎問題的研究」 （項目編號： 59375254 ） ，重點對其中的子課題? ?零廢品控制理論和技術進行了深入的研究。論文的主要工作和取得的成果如下： 1在介紹了常用質量控制方法的基礎上，對統計質量控制的幾個關鍵問題進行了詳盡的討論，提出了質量控制界限的確定方法，建立了基於產品質量多變異的抽樣方案的數學模型，利用模糊識別理論對質量控制圖工序加工狀況進行了判別。( 5 ) ga ' s operators are improved to reach better evolution effects, such as choosing proper fitness function, using 2d equal - block crossover and multi - bit mutation, expending the population size to reach better evolution effects. the structural results are effectively made better
（ 5 ）本文提出了二維均勻分塊交叉、 「擴大種群」的進化機制，引入多點變異，保證了ga種群適應度平均值的有效進化和群體的多樣性，實現了拓撲結構的遺傳進化。分享友人