表型變異性 的英文怎麼說

中文拼音 [biǎoxíngbiànxìng]
表型變異性 英文
phenotypic variability
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : 形容詞1 (有分別; 不相同) different 2 (奇異; 特別) strange; unusual; extraordinary 3 (另外的;...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特規律,進一步明確了掌握地物光譜特徵和規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度化引起的反射率曲線整體平移的「同物譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模,並分析了模的適用
  2. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區域現出較高的保守, 4種限制內切酶的酶切圖譜沒有顯示出多態;增加內切酶種類及供試菌株數量,有可能獲得具有多態的限制內切酶酶切圖譜; 9本實驗中, its區域的真菌特引物與真核生物通用引物對于擴增效果無較大差,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣評價耳極有可能是毛木耳種的一個種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證
  3. If the wavelet transform is directly implemented in pitch detection, comparing the glottal closure singularity of speech signal with image grey break, we will not obtain the anticipative result

    將聲門閉合在語音信號中現出相應的奇,與圖像邊緣的灰階突進行等價對比,直接將小波換用於聲門閉合奇的檢測,並不會得到預期效果。
  4. Hemagglutinins inhibition ( hi ) testes showed that there were obvious variations among the isolates from different geographical areas. this result explained why the protection rates of current vaccine were different around the country. dna sequence analysis of h9 hemagglutinin genes showed that these viruses were closely related and possibly came from one source

    且在同一地域內,不同的體之間的差較小,隨著時間的推移,其並不明顯;但在不同的區域內分離的毒株之間較為突出,這明中國大陸h9n2亞禽流感病毒不同分離株抗原是與地域的改而發生較為明顯的
  5. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模.理論上推導出微分干涉角具體達式,通過計算定地討論了微分干涉角隨著碰撞參數、速率等的化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  6. Varieties of flowering colors present cline. specially, variations of flowering colors within puer population are many and varied. longs and widths of perianths as well as longs of stamens are continuous variation of quantitative characters

    結果明:居群內各種形態狀都具有豐富的多態,居群間具有明顯的多;花色呈梯度,特別是普洱居群花色式樣最豐富;花被片的長與寬和雄蕊的長度是數量狀的連續
  7. We compared the pollination characteristics of c. praecox and that of c. nitens. the results are as follows : ( 1 ) the main variation of c. praecox exists in the floral morphological characteristics, including the variation of the color of the interior perianth segments, the color and shape of the middle perianth segments, the number of pistils and stamens, the length of pistils and degradation of stamens, the floral shape and size, etc. c. praecox ' s florescence is from november to next march, mainly from december to next february

    實驗結果明: ( 1 )蠟梅主要存在於花部狀,這些狀包括內被片顏色、中被片顏色和形狀、雌雄蕊數目、雌雄蕊、花、花徑等,在南京地區,蠟梅的花期從11月到翌年3月,主要集中在12月到翌年2月之間,早花期品種和晚花品種較少。
  8. The feature model includes two characters : the braided unit ' s braiding distance and braiding angle. processing the climaxes information can get the two characters. this paper uses mathematical statistic technology to realize the braiding homogeneity measuring

    最後採用數理統計中的系數這一統計量對預製件面圖像中的每個編織單元進行分析,分別對特徵模中的花節長度量和編織角量進行均勻統計,進而完成復合材料預製件面編織均勻的測量。
  9. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質狀的品種(系)配製完全雙列雜交組合20個,通過親本和f1的2年隨機區組試驗發現產量狀的鈴重和衣分與環境的互作效應小,不存在母體效應,並以加遺傳效應為主,分別占方差的51 . 2 %和65 . 4 % ;顯遺傳效應所佔的比率也較高,分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大,分別為13 . 3 %和3 . 5 % ,達到了極顯著;鈴重的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負值( - 2 . 1 % ) .遺傳分析與雜種優勢結果一致.具體現在產量狀上,親本相當配製的組合雜合顯較高,其超親優勢正向顯著,而極值親本(差較大)所配組合沒有超過高親的.這明親本差小、親源關系較近的親本中仍然存在足夠的遺傳或某種機制以創造使育種取得更大的進展.相關分析明了仍然存在嚴重的品質與產量的負相關,遺傳改良的難度較大
  10. Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment. on the basis of digital basin, the digital approach to describing hydrological processes within a catchment is investigated. digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information. the case study on the shiguanhe catchment in the huaihe river basin, intensified observation field of gewex asian monsoon experiment project, has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site, but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ), if compared with traditional hydrological models. that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data

    文摘:考慮流域下墊面空間,基於數字高程模構建了數字流域,並在此基礎上對描述流域水文物理過程的數字方法進行了探討.文章認為,數字水文模是一種有物理基礎的包含大容量信息的現代模擬技術.史灌河流域實例研究明,數字水文模可以十分方便地輸出水文要素和狀態量的空間分佈與時間序列,這對充分利用現有觀測信息進行水文信息的深層挖掘創造了條件
  11. 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 、限制酶切和電泳分等方法,分別對90例原發高血壓患者和109例正常人血管緊張素原基因多態位點agt174進行了檢測,結果明,高血壓組中三種基因的分佈與對照組顯著不同,提高該位點與原發高血壓的發生相關。
  12. Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified

    摘要從301份大豆品種中按根系類選取黃淮海和長江中下游地區代材料59份,在苗期乾旱脅迫和非脅迫條件下對地上部和地下部狀進行2年重復鑒定,發現材料間狀隸屬函數值具有豐富遺傳,以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標,從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱( 1級)材料和臨河大粉青、寧海晚黃豆等乾旱敏感( 5級)材料。
  13. Studies on karyotypes wihin clones indicated that all the karyotypes belonged to stebbins ' 3b type. there are different karyotype formulas, polymorphsim of satellite chromosome, variations of chromosomal structure and b - chromosome in clones. chromosomal mutation is important factor of chromosomal structure variations within clones

    系內核研究明:各無系的核都屬于st吮七us的m、核公式不完全川同、隨體染色體具多忐,染色體存在結構,研究認為造成無系內核的重要原因是染色體突
  14. From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3

    在二維非均勻介質逆散射邊界識別的數學模(包括一般的非均勻介質,正交各向介質,阻抗介質,各種可能的混合阻抗邊界問題)下,由內透射問題和外透射問題以及輻射條件,推導了上述介質的邊界識別的積分方程和指示函數方法,由於積分方程的核充分徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界。
  15. The study on the characteristics of development and seed setting of different spikelet and floret positions was important for the realization of big - spike - cultural - goal with more spikelets and grains. with both the winter type ( wv ) and spring type ( sv ) varieties sown at different dates, it was found that the greater seed setting capacity of spikelets resulted in more grain number of spike. the trend of differences in grain weight per spikelet between the different sowing dates and varieties was similar to that of grain number. the correlation between the average grain weight of middle spikelets and lower spikelets and the grain weight per spike was highly significant. the environmental changes resulted from different sowing dates mainly effected the middle spikelets development, even though the differences between wv and sv were represented in every spikelet positions. the grain weight on the second floret position was most sensitive to the development status of wheat plant and environmental changes, and could represent the yielid potential of the whole spikelet. the results showed that the enhancement of seed setting of the middle spikelets ( from 5th to 15th ) and the grain development from the first to third floret positions was a key to realize big - spike and grain

    確定小麥不同小穗位和小花位發育與結實特是實現大穗多粒的重要前提.本文通過對冬、春小麥品種分期播種試驗得出,較高的小穗結實力是增加穗粒數的重要因素.不同播期、品種之間,小穗粒重和粒數呈現相同的化趨勢.中部以及基部小穗粒重與穗粒重之間呈高度正相關.體現環境差的播期效應以對中部小穗發育的影響為主,而冬、春品種的基因可反映在各個小穗位上.第2小花位的子粒發育狀況反映整個小穗的生產能力.結果明,促進中部優勢小穗(第5 15小穗)結實和第1 3小花位子粒發育是提高小花結實率和穗粒重的關鍵
  16. Analysis of variance for all the traits shows that there are significant differences between populations and between individuals within populations

    方差分析明:蠟梅狀在群體間和群體內均存在極其豐富的, 10個狀在群體間的差均達顯著或極顯著水平。
  17. The hydrology system have some characters of complicated open macro system to a certain extent, the complexity and indeterminacy of the hydrology system becomes more and more standing out with the hydrology scale changing from the microscopical to the midscopical, even to the macroscopical, which present spatial variability, differ between the unit and the system, the model re - parameterization and the different scale model coupling

    水文系統在某種程度上具有開放的復雜巨系統的特徵,隨著水文尺度由微觀到中觀、宏觀,水文系統的復雜和不確定就愈突出,現有空間、單元與系統的不一致、模的再參數化及不同尺度模耦合等問題。
  18. Karst areas have a most typical frail ecological environment and complex human - land system. its frailty is displayed in such distinct features as the strong sense of environmental mutation, low environmental capacity, limited ability of standing disasters, poor stability, sharp ecological competition and small quantity of living things

    喀斯特地區具有一類最典的脆弱生態環境和復雜的人地系統,其脆弱現出環境敏感度高、環境容量低、承災能力低、穩定差、生態系統競爭程度高、生物量小等鮮明特徵。
  19. In this paper, 4 types of vegetation ( broad - leaved, masson pine, chinese fir and phyllostachy pubescens ), which are widely distributed in subtropical area of southern china, were selected to investigate cotent and spatia - temporal, characteristic of wsoc. two kinds of bamboo { phyllostachy pubescens and phyllostachys praecox ) were used to test the effects of intensive management on soil loc

    本文採用野外調研和定位試驗相結合的方法,比較研究了亞熱帶具代的常綠闊葉林、馬尾松林、杉木林和毛竹林四種森林類土壤活有機碳的含量、空間、年動態化規律及其與土壤其他肥力指標的關系。
  20. Many investigations show that randomicity of structures ? parameter will bring large value of stochastic dynamic response of structures. randomicity of structures ? mechanics parameter may be dominant factors. therefore, introduction of randomicity into system model of structure and using random system model are more reasonable than that of determinate system model

    眾多的研究工作明,結構參數的隨機可以引起結構隨機動力響應的大幅度漲落,結構力學參數的隨機還可能成為主導因素,在結構系統模中引入隨機的概念,採用隨機結構系統模是較確定結構系統模更為合理的一種選擇。
分享友人