點群平均點 的英文怎麼說

中文拼音 [diǎnqúnpíngjūndiǎn]
點群平均點 英文
mean point of group
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : Ⅰ名詞(聚在一起的人或物) crowd; group Ⅱ量詞(用於成群的人或物) group; herd; flock
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  1. According to the phylogenetic tree, the thirteen strains were grouped into four distinct pcr - rflp clusters, namely, coriaria group, myrica group, myrica - casuarina - alnus group and casuarinarmyrica group

    結果顯示弗蘭克氏菌種內的遺傳多樣性較高,種分化較大, 13株供試frankia菌株每個位的多樣性指數為0 . 4498 。
  2. 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 ) ,體內和體間的遺傳變異比例分別為69 %和31 % ;體間的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個體可被分為3個地理系,從分子水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個地理系的觀
  3. The results show that the genetic diversity of filial generations is higher than self - bred progeny ’ s , the hybrid vigor has manifested at metabolization level 。 the proportion of polymorphic loci ( p. 99 ) in f1 generations was 30. 77 - 36. 36 % , the mean observed heterozygosity ( ho ) of jmcf ( japanese male chinese female ) was the highest with 0. 1727, the rest populations were : jfcm ( japanese female chinese male ) 0. 1536 、 cp 0. 1273 and jp 0. 1055 , the mean effective number of allels per locus in f1 generations : cp ’ s was the highest with 1. 7318 , jp ’ s was the lowest with 1. 6718 , the filial generations ’ values were in the midle of the cp ’ s and jp ’ s and between them there was no brightly difference, with 1. 6955 ( jfp ) and 1. 6927 ( jmp )

    各組的雜合度預期值也表現出該趨勢,即:日自交組最低,為0 . 1786 ,日雄中雌雜交組的雜合度最高,為0 . 1964 ,日雌中雄雜交組和中自交組分別是0 . 1891和0 . 1865 。 hardy - weinberg衡下遺傳偏離指數也是雜交組的小於自交組的,每個位的等位基因有效數目中自交組最高為1 . 7318 ,日自交組最低為1 . 6718 ,兩雜交組體的這一指數相差不多,分別是1 . 6955和1 . 6927 ,位於兩親本的中間水
  4. 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 )環區變異位較莖區多,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,石爬?屬和?屬構成姐妹, ?屬和原?屬構成姐妹; ( 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;可能的原因是所得到的16srrna基因片段信息位太少; ( 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。
  5. Compared with the 5. 8s complete sequence of the snail arion rufus, its1 and its2 regions were recognized and combined for analysis. from sequence observation, it showed that the zhejiang sample has more inserted sites and fragments while the sequences of other three are nearly all the same. the average g % + c % of the four individuals was 46. 8 % while the zhejiang sample ' s was 48. 3 % and the other three ' s were all about 46. 2 % ; ts / tv and genetic distance mainly lies between the zhejiang sample and the other three individuals, which were 0. 8 and 0. 07 respectively

    用於比較的序列長約350bp ,觀測一級結構,加拿大、墨西哥灣扇貝和美國二代個體的its1和its2序列幾乎完全相同,而浙江個體則具有較多的插入位與片段; 4個個體g + c含量46 . 8 % ,其中浙江個體為48 . 3 % ,其它3個個體為46 . 2 %左右;轉換顛換比與遺傳距離主要存在於浙江個體與其它3個個體之間,分別為0 . 8和0 . 07左右;以櫛孔扇貝作外構建的分子系統樹表明:浙江體已產生了一定的分化。
  6. The main results are shown as below : 1. 80 individuals from 4 populations ( 20 from each population ) of argopecten irradians were analyzed by using 20 random rapd primers. 132 rapd bands ranging from 230 to 2800bp were recorded with an average of 6. 6 bands gained by per primer

    採用20條隨機引物對4個體80個個體(每個體20個個體)進行了rapd體遺傳多樣性分析,共擴增出132個位,片段大小在230 - 2800bp之間,每條引物的擴增帶數是6 . 6條。
  7. Therefore we should choose length, width, height and interval of frames according to water height and demand of velocity. the results can be used for reference to the design of bank protection works

    隨著l h 、 b h 、 a h的增加,框架后對應垂線流速的減速率也逐漸增加,保護區長度、寬度也不斷增加,因此,應根據不同的水深和減速率要求拋投相應長度、寬度、高度、間距的框架
  8. Part ii of " on the beat " was launched in october to disseminate the twin messages " evil will not prevail over the good " and " justice has a long arm ". both part i and part ii of " on the beat " enjoyed favourable ratings

    《執法英》在十月播出,重宣揚邪不能勝正和法網難逃的信息。 《執法英》第一及第二輯深受市民歡迎,每一集的收看人數(四歲及以上)高達一百五十萬。
  9. A total of 145 rapd loci were obtained, of which 132 loci ( 91. 03 % ) were polymorphic. genetic diversity quantified by shannon index varied from 1. 50 to 2. 44 with an average of 1. 93 ; partition of genetic variability indicated that 69 % was distributed within, and 31 % among stocks

    從40個1obp引物中選取20個用於體遺傳多樣性分析,共檢測出145個位,其中132個( 91 . 03 % )顯多態性;用shannon多樣性指數量化的遺傳多態度為1
  10. The tidal current in the radial sandbanks area apparently has directional to - and - fro movement, which can be observed not only from tidal ellipses, but also from water particle traces. the calculated distribution of tidal velocity in this area shows that the average velocity is around 0. 6 to 1. 0 m / s

    面潮流橢圓、水質跡線、潮流流速特徵研究表明,輻射狀沙脊海域潮流具有明顯的定嚮往復流形式,潮流流速一般為0 . 6 1 . 0m s ,滿足形成潮流沙脊的水動力條件。
  11. As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir

    本文調查了千島湖流域的自然資源和農業生產情況,研究了典型坡地降雨徑流中的氮、磷污染物的輸出規律,利用annagnps模型估算流域農業非源污染物輸入負荷,並在千島湖內設采樣,對水質理化指標和浮游植物落進行系統的研究,得出以下結論: 1989 2001年間的水環境常規監測資料統計分析表明,有毒物質和重金屬濃度長期在監測下限內, no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年濃度符合類標準,但湖泊水庫特定項目tn和tp濃度分別為超類和類,呈嚴重超標狀況,湖區主要污染因子是將導致富營養化的物質tn和tp 。
  12. The female framework map consisted of 130 markers ( 119 aflp and 11 microsatellite markers ) in 11 linkage groups, spanning 1057. 9 cm with an average interval of 8. 9 cm per marker

    最後的雌性連鎖圖譜的框架圖有130個遺傳標記組成,分佈於11個連鎖,其中aflp標記119個,微衛星位11個,圖譜總長度為1057 . 9cm ,標記間隔為8 . 9cm 。
  13. The genetic diversity level ofreaumuria soongorica had the negative correlation with the content of soil total p and cl " significantly ( p < 0. 05 ), on the contrary, it had the positive correlation with co32 - significantly ( po. 05 ) but there was no significant correlation between the genetic diversity and the other salt factors in soil, which showed that the distribution of the individuals of reawnuria soongorica correlated with some certain soluble salt

    研究結果表明:無葉假木賊種的多態位比率( ppb )為94 . 56 ,角果藜種的多態位比率則為98 ,顯示出分佈於過渡帶的無葉假木賊和角果藜種存在較高的遺傳多樣性,而角果藜種遺傳多樣性水高於無葉假木賊種
  14. In the dissertation, a " fast shamir algorithm represented by five - element joint sparse form " is presented. and it is demonstrated that comparing with other similar algorithms, the total numbers of the computation of our algorithm can be saved about 10 %, in the case of 192bit key. ( 5 ) in the implementation of elliptic curve cryptosystem, one of the key steps is to design and implement the base - point choice algorithm of elliptic curve finite group

    已經證明,用本文提出的「五元聯合稀疏形式表示的shamir演算法」計算標量乘法對,在192bit的密碼體制中,其計算量比同類演算法減少了10兒( 5 )實現橢圓曲線密碼體制還有一個關鍵的步驟,就是橢圓曲線有限選取演算法的設計與實現。
  15. ( 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 )本文提出了二維勻分塊交叉、 「擴大種」的進化機制,引入多變異,保證了ga種適應度值的有效進化和體的多樣性,實現了拓撲結構的遺傳進化。
  16. The results showed that : 115 polymorphic loci from yuzong 5 and gold queen maize population were amplified by 40 ssr primers ; the genotypic number accumulated by 40 primer amplification were 196 for yuzong 5 and 194 for gold queen ; the mean genetic distances were 0. 3834 for yuzong 5 and 0. 3397 for gold queen ; the mean observed heterozygosity was 0. 3826 for yuzong 5 and 0. 3292 for gold queen, while their mean anticipant heterozygosity was 0. 4747 and 0. 4143, respectively

    結果表明: 40對引物在兩體中都擴增出115個多態位;累加40對引物擴增的基因型種類,豫綜5號196種,金皇后194種;豫綜5號的遺傳距離為0 . 3834 ,金皇后綜合種為0 . 3397 ;豫綜5號的觀察雜合度是0 . 3826 ,期望雜合度是0 . 4747 ;金皇后綜合種的觀察雜合度是0 . 3292 ,期望雜合度是0 . 4143 。
  17. At first, we tested and optimized the conditions of the issr technique. 15 issr primers were used to investigate 24 individuals from 3 natural populations. every primer amplified different number of loci that ranged from 11 to 44

    首先對issr技術的實驗條件進行了優化;採用15個issr引物對中國對蝦3個野生體共24個個體進行分析,共檢測到323個位,每個引物檢測出的位數11 44個不等,為21 . 5個。
  18. Zinc oxide ( zno ) is a wide band gap ( 3. 4ev ) semiconductor with the hexagonal crystal structure ( wurtzite type ). zno thin films with the c - axis orientation perpendicular to the substrate show excellent piezo - electrical properties and are widely used in piezo - electrical filed. and the dense anjd uniform surface of the films is required when zno thin films are used as integrated functional films

    Zno屬於六方晶系6mm,晶體在c軸垂直面上的電性和彈性都是對稱的,因而c軸擇優取向的多晶薄膜能夠具有單晶那樣的壓電性和光電性質,而具有勻的表面形貌則是zno薄膜作為一種集成功能薄膜應用性能的保證。
  19. The average number of alleles per locus ( a ), percentage polymorphic loci ( p ), observed heterozygosity ( ho ) and wright ' s fixation index ( f ) is 2. 2, 77. 9, 0. 433, - 0. 138, respectively. the species also had higher variation than that of the other woody angiosperms widespread. moreover, e. mollis has higher population genetic variation than that of 26 long - lived woody endemics with narrow geographic distributions

    Biosys - 2軟體計算得知,在翅果油樹種中,每個位等位基因的數a = 2 . 2 ,多態位百分率p = 77 . 9 ,遺傳多樣性he = 0 . 375 ,遺傳多樣性水明顯高於蜂媒植物,而且也比其它的廣布木本被子植物的遺傳多樣性水為高。
  20. Similarity coefficient and genetic distances between two arbitrary individuals were caculated according to the data of experiments, the pedigree was constructed by two means ( they were upgma and parsimony ), and genetic diversity was discussedbased on selecting the best conditions of pcr with opg and opa primers from operon company, we obtained 163 bands using 24 random primers. in other words, 163 sites in crested ibis " genome were detected. the bands from 23 primers showed polymorphism. minimurn of polymorphic ratio was 0, maximum was 85. 71 %, and average was 48. 99 %. in the population which was composed by 37 individuals, most of genetic distances between two arbitrary individuals were less than 0. 1. the results showed that the degree of similarity among crested ibises was high while genetic diversity in the population was low accordingly

    我們在對operon公司opg系列和opa系列引物進行優化篩選的基礎上,用24條隨機引物共擴增出163條譜帶,即檢測了朱?基因組中的163個位,其中23條引物的擴增結果具有多態性;譜帶的多態比率最小為0 ,最大為85 . 71 ,為48 . 99 ;在由37隻朱?組成的種中,任意兩個個體之間的遺傳距離絕大多數在0 . 1以下。這些結果表明,目前朱?個體間的相似程度很高,種的遺傳多樣性水較低。
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