組間變異 的英文怎麼說
中文拼音 [zǔjiānbiànyì]
組間變異
英文
between groups variation-
The chickens and chicken embryos were inoculated with variant serotype isolate e of infectious bursal disease virus using cloacal, nosal routes or via the allantoic cavity route, and the histopathological features of the bursa of fabricius of the ibdv _ infected chickens at various intervals of time were systematically investigated
本試驗全面而系統地觀察了傳染性法氏囊病病毒變異e株，通過泄殖腔、鼻腔和尿囊腔接種雛雞和雞胚后不同時間法氏囊的組織形態學變化。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性及變異規律，進一步明確了掌握地物光譜特徵和變異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變化引起的反射率曲線整體平移的「同物異譜」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；研究還表明在植被「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型，並分析了模型的適用性。For this reason, any study focusing on the social and cultural aspects of western sichuan province in the past 100 years should not neglect the role of teahouses. moreover, rather than equating teahouses as dining places, we should view them as public spaces for public lives, making out their relationship to and deviation from traditional public spaces such as ancestral halls, temples, guild hall, secret society such as paoge. what happens in teahouse belongs to the category of what habermas terms " associating activities "
研究川西地方社會和文化百年來的進程，茶館是無論如何不能被忽視的；不僅不能忽視，而且還要突破以往把川西茶館拘囿於民俗和飲食文化研究的窠臼，將其納入地方公共生活和公共空間的范疇，由此發現川西茶館與傳統公共空間如宗祠、寺廟、會館以及袍哥組織的聯系，釐清其間的繼承和變異關系。The genetic differences between humans and chimpanzees ? two distinct species ? are tiny compared with the differences among h. pylori strains : 99 percent of the nucleotide sequences in the human and chimp genomes are identical
人類和黑猩猩是兩個不同的物種，然而兩者的遺傳差異和幽門螺旋菌菌株間的變異相比，卻是小巫見大巫：人類和黑猩猩的基因組，有99 %的序列是一模一樣的！By applying the theory and method of geological anomaly, it is focused on the analysis of the characters of major geological anomalies and their effect of mineralization in daye - jiurui region. the analysis result shows that the basement fault anomalies control a few major large hidden batholiths and their associated orefields ; that the anomalies of cover structure confine most cu - au deposits and fe - cu deposits within their scope ; that the geochemical anomalies and lithofacies - paleogeographical anomalies are major geological factors leading to trataboundness of some cu - au deposits ; that the anomalies of rock operties provide the favorable chemical and physical conditions for the ore - forming process, including the seepage, circulation, convergence and deposit of ore - bearing hydrothermal solution ; that the anomalous ctive stage of mesozoic magmatite is almost consistent with the major mineralization epoch of the fe, cu deposits, and the structure of multi - levels, and the zoning in magmatic system determine the spatial distribution of the mineralization system. then, based on the above analysis, a comprehensive variate, geological combination entropy, is brought forward for reflecting the complex degree of the combination of geological ore - controlling factors. after circumscribing the anomalies of geological combination entropy, the relations between the anomalies and ore deposits are determined
從地質異常的角度，重點分析了大冶九瑞地區主要地質異常的特徵及其對成礦的影響.由分析可知：基底斷裂異常控制了本區若干重要規模較大的隱伏巖基及伴生礦田，而蓋層構造異常控制銅金礦床和鐵銅礦床的空間位置；地層的地球化學異常和巖相古地理異常是造成一些銅金礦床層控性的主要地質因素；蓋層的巖性異常為含礦熱液的滲流、循環、聚集和礦質沉澱等一系列成礦作用提供了有利的物理和化學條件；中生代巖漿巖的異常活動期也是本區主要的鐵銅成礦期，巖漿巖系統的多層分枝和分帶性結構控制了本區成礦系統的三維空間分佈.在上述分析的基礎上，構置了地質組合熵作為反映控礦地質因素組合系統結構復雜程度的綜合變量，並圈定出組合熵異常，由此確定了綜合地質異常與礦床的關系First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )
本文首先從理論上介紹了若干種不等概率抽樣方法，它們的估計量、估計量的方差及其估計，其中包括有放回ppz及pps抽樣，不放回不等概率抽樣中的brewer 、 durbin 、 sampford 、 desraj ， murthy 、 rao - hartley - cochran等人的方法；其次，在rao和bayless兩人就樣本單元數n = 2的情形對上述抽樣方法進行比較的基礎上，將總體隨機地分成兩個子總體，視每個子總體取自不同的線性超總體，在文中，我們利用計算機實現隨機分組，並通過畫圖比較各方法估計量的穩定性，結果表明，對變異系數c . v . （ x ）較大的總體而言，兩個超總體之間的微小差異將對估計量的穩定性產生很大的影響，從而說明rao和bayless的比較結果還不夠完善。This research investigated the variability and the quantitative relationships among soil nutrients ( soil ph, total n, organic matter, available p ), growth status ( spad, lai and spad lai ) and yield of rice. all data were analyzed by both classical statistics and geostatistics based on gis. by further integrating gis, gps and crop management knowledge model, a decision support system for precision farming ( dsspf ) was developed, which laid a technical foundation for the practical application of precision farming system
本研究基於gis技術，以經典統計和地統計學為分析手段，確立了田區土壤養分（土壤ph 、全氮、有機質、速效磷、速效鉀） 、水稻作物長勢（ spad 、 lai 、 spad * lai ）和產量的空間變異特徵及定量關系；進一步以作物管理知識模型為智能決策支撐，提出了gis與模型及gis與gps的組件化集成技術，構建和實現了基於田區作物產量、土壤養分和苗情監測差異的精確農作決策支持系統（ dsspf ） ，為精確農作系統的應用奠定了技術基礎。It sets up a evaluated system by analyzing groundwater chemical components, through studying pertinence in water chemical component and soil strength, it also puts forward that water chemical change can map soil strength variation under water - soil interaction. from the theory of the water - soil interaction on, the interrelation of city construction, the variation of groundwater condition and the soil structure strength is analyzed and that the measure of soil structure and the significance which is by the water - soil interaction is studied in this paper. at the same time, in the paper : the recourse of the soil structure strength is summarized ; the physical meaning of soil mini - scale structure is defined ; the measure of soil structure is classified ; the four basis forms of the water - soil interaction is induced ; the chemistry mechanism of the water - soil interaction is discussed
通過水化學組份與土強度間的相關性分析，提出水化學組份的變異可以映射水土作用下土強度的變異；從水土作用的理論出發，分析了域市建設、地下水環境變異與土結構強度間的相互關系，研究了土的結構尺度及其在水土作用中的意義：總結了土的結構強度的來源、定義了土細觀結構的物理涵義井劃分了土的結構尺度及層次、歸納了水土作用的四個基本形式、討論了水土作用的化學作用機理。( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o
本文研究結果為弱卸荷與弱風化大致對應、強卸荷與強風化大致對應； （ 6 ）巖體是由組成它的巖石與缺陷賦存於一定環境場中的地質體，據此本文將巖體風化細劃為巖石風化與結構面風化，並進而將表徵巖體風化的指標相應地歸結為三個方面來加以研究並應用於工程實踐，這就是：對于巖石風化，主要為礦物的變異程度與風化巖石的物理力學性能研究：雖已認識到風化作用破壞了巖體完整性，但將該理論應用於巖體風化分帶卻不多見，本文即從淺表部位硬性結構面間距、條數、跡長、塊度等隨遠離臨空面的變化規律來研究巖體風化分帶：不同風化、卸荷程度的巖體實際處于不同環境場中，彈性波速變化與特定環境場相對應，因而是反映巖體風化、卸荷的綜合因素。Discussion in practice of the forensic material evidence, one that is chemical disposal special material to examine, for example material treated by formalin fixation and paraffin wax is needed to distinguish the source to identificate. because the formalin influence dna to be drawn directly, fixation time is the important variation factor among them
討論在法醫物證實踐中，經過化學處理的特殊檢材，例如福爾馬林固定后的石蠟包埋組織塊和切片的個人識別和來源鑒別，因為福爾馬林介導的甲基化直接影響dna提取的效率，其中固定時間是一個重要的變異因素。We analyzed the regular pattern of daily medicine cost change of operation inpatients during hospitalization in every group. the results indicated that the median line of daily medicine cost had similar regular pattern in operations on the nervous system, the musculoskeletal system, the nose, mouth, and pharynx system and the female genital organs system : the top of daily medicine cost median emerged on the day of operations ; the median of daily medicine cost was low in the period after operation, and the lowest in the period before operation. the median line of daily medicine cost of operations on the digestive system and the integumentary system keeped at a high level in the period of 1 - 6 days after operations
手術病人日藥費隨住院時間的變化規律按icd - 9 - cm類目表的15個系統大類（解剖學分類）將住院手術病人分為15組，分析了各系統手術病人住院期間日藥品費用的變化規律，結果顯示：神經系統、肌肉骨骼系統、鼻口咽系統和女性生殖系統手術的日藥費中位數線圖具有相似的變化規律：手術病人住院期間的日藥費碩士學位論文中位數的峰值位於手術當日，且手術當日的日藥費變異最大；術后住院日的日藥費中位數明顯降低；術前住院日的日藥費中位數很低；消化系統和體被系統手術在手術當日及術后1 6天內的日藥費中位數維持在較高的水平。Members of the hong kong hapmap group specialising in bioinformatics and statistics also participated in the data analysis group of the hapmap project by developing software for selecting variable sites for genetic studies and for measuring the genetic relatedness between pairs of individuals. professor tsui provided some comments on this project
香港hapmap研究小組的成員在所有樣本上一共成功測試了超過三萬個基因標記，小組中的生物資訊及統計研究員同時亦參與hapmap計劃數據分析組的工作，開發軟體用以篩選變異點進行基因研究及計算人與人之間的基因關系。In view of the external form of the roof construction, it was decided that the variant steel arched girder should be composed of a higher straddle and a lower straddle, with a stump welded between the two straddles. the straddles are two arc - shaped roofs of different curve rates, and each of the straddles is made up of segments of various curve rates
根據實際工程屋蓋建築的外形，確定變異鋼拱架分高跨和低跨部分，中間採用短柱焊接成一整體，高跨和低跨由兩個不同曲率的弧組成，且每一跨又有多個曲率。With respect to genetic similarity, genetic distance and cluster analysis among samples of f1 generation, it showed that the most genetic identity is between jfp and jmp, ( i = 0. 9934, dnei = 0. 0066 ), the next was between jp and jmp ( i = 0. 9873, dnei = 0. 0128 ), the third was jp and jfp, with i = 0. 9681, dnei = 0. 0325 ; the fourth was jp and cp, with i = 0. 9035, dnei = 0. 1015 ; the fifth was cp and jmp, with i = 0. 8862, dnei = 0. 1208, and the furthest was between cp and jfp, with i = 0. 8648, dnei = 0. 1452
由此可以看出在此四組中，雜交組的遺傳變異明顯高於自交組的，雜種優勢已初步顯示出來。而在兩雜交組中，日雄中雌雜交組又優于日雌中雄組中自交組。群體間遺傳相似系數和遺傳距離及聚類分析結果表明：兩雜交組間的遺傳相似系數最大，遺傳距離最小，僅為0 . 0066 ，而中自交組群體與日雌中雄雜交組群體的遺傳距離最大為0 . 1452 ，兩自交組群體間的遺傳相似系數為0 . 9035 ，遺傳距離為0 . 1015 。( 3 ) the span analysis of the genetic operators. 8 schemes were provided to analyze the relation of the genetic operators such as population size, cross probability, mutation probability. at last, a optimum group of genetic operators was selected
提出8種方案來分析遺傳操作運算元（種群規模、交叉概率和變異概率）之間的聯系，並根據精度最高原則最終確定一組合適的遺傳操作運算元。However, similar improvements in immunoglobulin and t - lymphocyte subsets of both groups were observed
兩組間免疫球蛋白和t細胞亞群變化無明顯差異。With the background of studying copper alloy bar for asynchronism traction electromotor, a kind of copper bar and its preparation techniques are developed, and its hardness, tensile properties, electrical properties and microstructure are studied. furthermore, the rule of structure and properties changing with heat - treatment is especially illustrated. the results show : the first, there is obvious aging strengthening effect in cu - 10zn - 0. 8 ( cr, zr ) alloy
論文以城市輕軌列車異步牽引電機用銅合金導條為研究背景，研究開發了cu - 10zn - 0 . 8 （ cr ， zr ）合命導條的制備工藝，測試了導條的硬度、拉伸力學性能和導電性能，觀察了導條的金相組織和電鏡顯微組織，重點研究了時效處理對導條組織、力學性能和導電性能的影響，得出了導條組織、性能隨時效溫度和時效時間變化的規律。There was no difference in the percentage of patients dropping out because of adverse events, and there were no clinically relevant changes in pulse rate or in systolic or diastolic blood pressure at any visit
在病人因不良反應而中途退出的比例方面，兩組間無明顯差異，每次訪視均發現病人脈搏或收縮壓或舒張壓的變化都不會引起與臨床相關方面的變化。The best qualitative results indicated that rvpcs model with md grouping scheme reached a discrimination rate of 100 % with 1 % accuracy in the randomly assigned background constituents of the same prescription, and rvpcs model with rs grouping scheme gave a discrimination rate of 86 % ~ 96 % with 2 % accuracy in the randomly assigned background constituents of 4 mixed prescriptions
四種處方之不同背景混合處方分析中，以主成份空間之殘差變異定性模式搭配隨機分組方式，可達到86 % ~ 96 %之辨識成功率，並具有2 %之微量檢測精度。Magnolia subgenus yulania, a deciduous tree found in temperate zones, is an important taxonomic group of magnoliaceae. there are in subgenus yulania twenty species, of which one grows in southeast america, three in japan, and most, however, in china widely cultivated in gardens and used as chinese medicine for about 2, 500 years
本文利用rapd分子標記技術和人工雜交手段對玉蘭亞屬植物的系統關系和分類地位進行了研究，闡明了玉蘭亞屬15個種、 11個變異類型和4個品種、 1個人工雜交後代的種間親緣關系；探討了玉蘭亞屬與含笑屬和木蘭亞屬間的系統關系；發現一個新種，建立2個新組。分享友人