時間變異 的英文怎麼說

中文拼音 [shíjiānbiàn]
時間變異 英文
time-variance
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 形容詞1 (有分別; 不相同) different 2 (奇異; 特別) strange; unusual; extraordinary 3 (另外的;...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. 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e株,通過泄殖腔、鼻腔和尿囊腔接種雛雞和雞胚后不同法氏囊的組織形態學化。
  2. The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment. during the past two decade, the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants, provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants. three new plant based epochs have been recognized. on the other hand, molecular sequence studies have provided insights into the phylogeny and early branches of land plants. a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences. this paper summarizes recent advances and new knowledges, comments on the phylogenetic studies based on the cladistic analysis

    陸生植物的起源和演化是地球生命中的重大事件,它影響到地球上所有的其他生命和全球環境。在過去的20年中,從中奧陶世歷經整個志留紀至早泥盆世的巖層中,化石植物微化石和大化石的新發現改了人們對陸生植物起源的認識,並且為陸生植物和維管植物早期演化分提供了基部類群分化的框架。據此人們識別出地史中的3個陸生植物的代:始胚植物代始維管植物代和真維管植物代。
  3. The time - scale amplitude plot and phase plot based on hermitian wavelet transform are presented to singularity detection of signal. the corresponding relation relation between singularity and amplitude plot or phase plot is created. as successful application, fault of axletree damnify is found by means of this method

    提出了基於hermitian小波換的?尺度幅圖和相圖來識別信號奇性的方法,建立了信號奇點與幅圖和相圖的對應關系,在軸承損傷故障診斷中取得了成功的應用。
  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,不同的體之的差較小,隨著的推移,其並不明顯;但在不同的區域內分離的毒株之較為突出,這表明中國大陸h9n2亞型禽流感病毒不同分離株抗原性是與地域的改而發生較為明顯的
  5. 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表現出保守和的雙重特性,種內極小而種較大: ( 3 ) 5個隨機引物擴增出種特的ra衛d帶,可作為種分子鑒定標記; ( 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。
  6. The direct seeding experiments of different pteris vittata genotypes showed that there was significant difference in germination and emergence traits among pteris vittata genotypes collected from different areas in china, with germinating time ranging from 12 - 40 days, duration from germination to emergence varying between 13 - 46 days. as the seeds of pteris vittata are very small, with little stored nutrition, the genotypes, which are quick in germination and emergence, are suitable for direct seeding in the field

    不同基因型的蜈蚣草的直接播種試驗研究表明,來自我國不同地區的蜈蚣草基因型在萌發特性有顯著差,萌發動在12 - 40d之,萌發到成苗化在13 - 46d 。因為蜈蚣草種子小,貯藏的營養物質少,故具有快速萌發和成苗特性的基因型易於田直接育苗。
  7. 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:考慮流域下墊面空性,基於數字高程模型構建了數字流域,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,數字水文模型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表明,數字水文模型可以十分方便地輸出水文要素和狀態量的空分佈與序列,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
  8. Based on the two postulates that the speed of light is constant and the laws of physics apply equally to all inertial reference frames, the theory predicts strange effects such as time dilation, length contraction and simultaneity of events varies according to viewers

    基於兩個論點,即光速不及物理定律可應用於任何慣性系統,狹義相對論預測了慢長度收縮及同事件是因觀察者而等奇怪現象。
  9. Effects of tillage practices on temporal variations of soil surface properties

    夏玉米耕作方式對耕層土壤特性時間變異性的影響
  10. Because these factors make change more often, soil time space variability is more bigger. the relationship of single factor between soil water infiltration capacities and certain influencing factor could be established quantitatively by means of soil water infiltration tests in indoor, there is negative correlation relation between soil water infiltration capacities and soil structure. there is negative correlation relation in high grit content and low physical clay content soil, and second - degree polynomial relation in high physical clay content junk structural soil between soil water infiltration capacities and soil moisture

    由於這些因素在刻發生化,使得土壤的性較大,只能用室內土壤水分入滲試驗來定量確定土壤水分入滲能力與某些影響因素之的單因子相關關系,土壤水分入滲能力與土壤結構之呈負相關關系,土壤水分入滲能力與土壤含水量之在土壤砂粒含量高,物理性粘粒含量低的無結構土壤中呈負相關關系,在物理性粘粒含量高的團粒結構土壤中呈二次多項式關系。
  11. The objectives of this study are : ( 1 ) collect the basis data about soil physical properties, soil moisture, infiltration and evapotranspiration in the catchment scale for developing a catchment hydrological model, based on the dtm, ( 2 ) provide the hydrological information in the catchment scale for developing agricultural production, vegetation rehabilitation, and reasonable land using in this region. the main conclusions drawn from this study are : ( 1 ) the soil physical properties, including bulk density, saturated soil moisture, field capacity, and wilting moisture, were measured at 56 plots across the catchment

    為此,本文以黃土高原溝壑區典型小流域?王東溝為研究對象,通過大量的野外測定和室內分析,系統研究了流域土壤容重、土壤飽和含水量、田持水量、萎蔫濕度、土壤入滲性能、土壤含水量和蒸散量的空性,以期為該區農業生產、植被恢復和土地合理利用等提供科學的依據,同為建立基於數字高程模型( dtm )為基礎的流域水文模型積累基礎資料。
  12. 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、性能隨效溫度和化的規律。
  13. Secondly, a real - time forecast model of irrigation schedule is obtained at irrigation district scale, taking into account the spatial variability

    ( 2 )構建了考慮空性的灌區尺度的實灌溉預報模型。
  14. It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed

    電磁法( transientelectromagneticmethod )是一種域的電磁勘探方法,利用階躍波或其它脈沖電流場源激勵,在大地產生過渡過程場,斷電瞬在大地中形成渦旋交電磁場,測量這種由地下介質產生的二次感應電磁場隨化的衰減特性,從測量得到的常分析出地下不均勻體的導電性能和位置,從而達到解決地質問題的目的。
  15. In the dissertation, the problems of the current irrigation forecasting models and methods are put forward. considering spatial variation in soils, a real - time forecast model of irrigation schedule at irrigated area scale is studied, so as to provide an approach for the more suitable decision support system of irrigation forecast and water management system

    本文針對國內外現有的灌溉預報方法和模型存在的問題,考慮灌區土壤墑情空特性,對灌區尺度的實灌溉預報模型進行了研究,旨在提出適合我國灌區情況的灌溉預報決策支持系統和現代化灌區用水管理系統的實灌溉預報方法。
  16. Compared with former study, because the spatial and the temporal resolution of the data sets are different and the different bulk formulas are used to calculate the fluxes, the values of fluxes are different. but the seasonal variation processes of heat flux are similar as well as the space pattern in those studies

    與前人相關研究工作相比,由於不同資料集的,空解析度不同,所採取的經驗公式不同,在量值上有明顯的差,但在化過程及空分佈上相似。
  17. Analysis of time variability for hydrological series

    水文序列的時間變異性分析
  18. We present a methodology for computing daily pollutant concentration fields that reduces exposure uncertainty and bias by taking account of spatial variation in air quality

    我們呈現一個方法來計算每天污染物的濃度,以減少在考慮空氣品質的空,對于暴露的不確定性及偏差。
  19. Such a transcendence, therefore, is very important to the creation of artistic conceptions in poetry

    因此,詩歌意境的營造與縱向的跨越、橫向的空,以及縱橫交織的空錯位密切相關。
  20. The results from research on the spatial - temporal variability of soil water content, spatial variability of soil water content of different layers and soil water - storage in sloping field can be showed. 1

    本文對丘陵區坡地土壤水分含量的、坡面各層土壤水分特性及容重的空和坡面土壤水庫貯量的空分佈進行研究,得出了以下結果: 1
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