背景因子 的英文怎麼說

中文拼音 [bēijǐngyīnzi]
背景因子 英文
background gactor
  • : 背動詞1. (用脊背馱) carry on the back 2. (擔負) bear; shoulder
  • : Ⅰ名詞1 (風景; 景物) view; scenery; scene 2 (情形; 情況) situation; condition 3 (戲劇、電影的...
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 背景 : (布景; 襯托主體事物的景物; 對人物、事件起作用的歷史條件或現實環境) background; backdrop; setting
  1. Two parts are included in this study : part one : study evolve in domestic and overseas the general introduction were given about the class, property and composing of asphalt and the development background, study evolve in domestic and overseas and class of modified asphalt. the comparative detailed introductions were given about performance and influencing factors, appraisable means of some important polymer modified asphalt

    本文的研究工作包括兩個部分:第一部分:國內外研究進展對瀝青的分類、性質以及組成和改性瀝青的發展、國內外的研究進展以及分類作了比較全面的介紹,並對幾種重要的高分改性瀝青的性能及其影響素、評價方法等作了較詳細的介紹。
  2. 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的定量反演模型,並分析了模型的適用性。
  3. Summary background data : soluble receptor proteins derived from the macrophage - monocyte lineage potentiate the inflammatory cytokine response early in ap

    資料:從單核巨噬細胞系來源的可溶性受體蛋白可能是急性胰腺炎早期的炎癥細胞
  4. Background : the aim of this study was to identify risk factors associated with survival after pneumonectomy for non - small cell lung cancer

    :該研究的目的是鑒別非小細胞肺癌患者全肺切除術治療后與生存率相關的危險
  5. It still remains a question whether the rearrangements of igh come from h / rs cell or the background lymphocytes. in this study, we have detected the igh clonal correlation between the h / rs cells and the background cells, from a new aspect to study the clonality of h / rs cell and its relation with the background cells. the expression of b - cell - specific activator protein ( bsap ) was detected in hl. igh gene rearrangements were analysed by the methods including gene analysis in neoplasms tissue and micropicked cells from paraffin - embedded sections, sequencing to test the pcr product, and in situ pcr

    本研究將在以往研究的基礎上,在國內率先把b細胞核反式作用? b細胞特異性激活蛋白( b - cell - specificactivatorprotein , bsap )應用於hl的研究,檢測hl的bsap表達,並採用石蠟刮片組織和微切割單細胞的基分析、測序分析和間接原位pcr等方法,同步觀察分析h rs和淋巴細胞的igh基克隆相關性,從又一個新視角探究chl的腫瘤性h rs細胞克隆性及與淋巴細胞的關系。
  6. The reasults are summed up as following : 1 the study on chromosomes and mitoses of bmn cells the cell line, bmn, is a silkworm cell line widely used in silkworm molecular genetics, cell engineering, gene engineering and baculovirus expression system but whose genetics and cytobiology studies are nearly untouched. the chromosomes and mitoses of the bmn cells are researched by the air - drying method and culturing cells on cover glasses

    同時,還通過原代培養實驗對新的家蠶胚胎細胞系的建立進行了探索和嘗試,並對家蠶胚胎原代培養過程中出現的細胞和組織類型進行了觀察、探討與研究。 1bmn細胞有絲分裂及染色體研究bmn細胞是家蠶分遺傳學,細胞工程、基工程和桿狀病毒表達系統中廣泛應用的家蠶細胞,但其遺傳學和細胞生物學知之甚少。
  7. Since the images of a human face lie in a complex subset of the image space that is unlikely to be modeled by a single linear subspace, we use a mixture of linear subspaces to model the distribution efface and non - face patterns. in the other words, we used fisher linear discriminator to project samples from a height dimensional image space to a lower dimensional feature space

    對于復雜的人臉圖象的檢測,使用單個線性線性空間很難準確地區分出人臉和非人臉模式,此,本文使用混合線性空間對人臉和非人臉樣本的分佈進行建模,在利用自組織映射神經網路標識人臉和非人臉樣本的基礎上構建一個fisher人臉檢測器。
  8. Background : members of homeobox gene family largely encode transcription factors that are required in key developmental events

    :同源異型框基家族成員多編碼轉錄,控制發育的關鍵事件。
  9. At the same length, the insertion loss of different sub - channels also undergoes changes. this effect, along with the intrinsic background noise, impulse noise and the receiving sensitivity of modem on the adsl, will limit the maximum transmission distance on one single subscriber line

    首先,銅線的插入損耗將隨著線路距離的增加而成比例地增加,並且在同一距離下各通道的插入損耗也發生變化,這個素和線路固有的噪聲、脈沖噪聲、數據機的接收靈敏度一起將限制在單用戶線上adsl所能夠傳輸的最大距離。
  10. Set against the backdrop of the chaos and civil war that enveloped 1990s sierra leone, " blood diamond " is the story of danny archer leonardo dicaprio, an ex - mercenary from zimbabwe, and solomon vandy djimon hounsou, a mende fisherman. both men are african, but their histories and their circumstances are as different as any can be until their fates become joined in a common quest to recover a rare pink diamond, the kind of stone that can transform a lifeor end it

    血鉆故事發生在九十年代非洲獅山,內戰令到政治動蕩,民不聊生,兩個主角是前辛巴威共和國雇傭兵丹尼狄卡比奧飾,及來自曼迪mende的漁民所羅門狄哲文侯蘇飾,兩人有別,經歷回異,但驚心動魄的命運,卻同時一顆世上罕見的寶石,發生巨變。
  11. The calculated mean diameter, mean square - root diameter, mean cube - root diameter and liquid water content are all well matched with the observational results ; in the paper two examples have been analyzed by using the seeding region data and the possible affecting region data in leeward region. it is found that f - 100, 2dc, and 2dp ' s particle concentrations increase in leeward region, but rising extent is different, which is likely to be due to difference of seeding effect time

    擬合值和觀測值吻合的較好,計算出的平均直徑、均方根直徑、均立方根直徑和粒濃度與觀測值也比較吻合;本文對兩組個例的催化影響區域及可能採集到相應值的下風方區域進行了分析,催化下風向影響區的f - 100 、 2dc 、 2dp的粒濃度比值都有所增加,但是增加的幅度不同,應該是催化響應時間的原
  12. Finally, the distribution discipline of the cyclic changing temperature damage factor under the conditions of low temperature through the equivalent assumption and energy equivalent model based on damage mechanics theory. the fatigue life of the 4cm depth sawed cracking road is obtained under the conditions of - 15 based on the shenyang - dalian highway. in this paper, the inhomogeniety of asphalt concrete resulting from temperature change is considered, when the influence of the temperature change on the semi - rigid asphalt pavement concrete is analyzed

    最後,基於損傷力學理論,通過等效應變假設原理和能量等價模型,得到低溫下循環變溫損傷的分佈規律,以沈陽?大連高速公路的預鋸縫為工浙江大學博士學位論文廣義荷載作用下道路與軟基共同作用研究王金昌2003年5月程,預測了4cm深的鋸縫在一巧路表變溫作用下的疲勞壽命。
  13. Basic data are analyzed by means of t - test or anova

    在對各不同變項以t檢定或單變異數分析進行分析。
  14. This paper has adopted several scientifically studying analysing and reasoning methods to illustrate the features, back ground, purposes, restrcting and founding conditions, and the reforms of the electronicalized government. the challenges and responsibilities of the government in the network economy have also been emphasized. how to plan the network construction, and how to improve computer administration are all included in this paper, aiming at offering valuable proposals and suggestions for the government to meet the future demands and to show a completely new government image to the public

    本篇論文採用唯物辯證法、實證分析法、邏輯推理法、理論聯系實際方法、調查研究法、數字分析法、對比分析法等研究方法,通過對電化政府的含義、特徵、產生、意義及中國實施中的「政府網上工程」 ,電化政府與政府改革,電化政府的制約素及建立條件以及面對網路化經濟政府所遇到的機遇和挑戰等作具體詳盡的分析論述,旨在提出網路時代政府的網上責任以及今後政府在規劃網路建設,實現政府網路化的主要對策,即如何推行電政務,目的是為政府今後的建設和發展出謀劃策,使政府能適時調整自身的職能,盡快向新型管理服務職能轉變,以順應社會的呼喚,滿足公眾的需求。
  15. The results show that a warm high ridge at the middle level and transformed surface cold high over the plain provide a good background condition ; a cooling process produced by net surface radiation fluxes is the trigger and strengthening mechanism for the fog event ; the subsidence flow at the middle and low tropospheric levels is favorable for the setting - up and maintenance of stable stratification at the boundary layer and weak wind condition at the ground layer over the fog region ; the transportation of weak warm advection at lower levels and weak lift motion at the boundary layer play a very important role to the long maintenance of the fog event ; the intrusion of north wind accompanied by cold advection is a main dynamic factor of the fog dissipation

    結果表明:在中高層暖性高壓脊及地面變性冷高壓穩定維持的大尺度條件下,地表凈輻射引起的近地層冷卻是大霧過程的觸發和加強機制;中低空下沉氣流的存在有助於近地層的弱風條件和穩定層結的建立;低層暖平流的輸入和邊界層的淺層抬升是大霧長時間持續的原;伴隨冷空氣南下的偏北大風是驅使大霧消散的動力
  16. Baced on the general circulation background, synoptic - climatological cause and external forcing predictor of rainfall of yunnan in may, the composite model of the long - term weather process of yunnan in may for rainfall and the optimum subset regression model of rank statistics applied for dryness and wetness forecasting are presented

    摘要根據影響雲南5月旱澇的大氣環流、天氣氣候成以及外界強迫,提出了雲南5月雨量的長期天氣過程的物理概念模式和用於旱澇預測的秩序統計量最佳集回歸模式。
  17. In this paper, based on the acquaintance of the reason and background of turbine ' s differential expansion, focus on the thermal - expansion performance of steam turbine

    本文在熟悉了解汽輪機脹差產生原的前提下,著重研究了汽輪機轉的熱膨脹特性。
  18. 2 heterogeneity and evolution of 5s rdna pattern of intragenomic and interspecific variation of 5s rdna hi five pines ( including subgenus strobus and pinus ) were studied through cloning and sequencing multiple 5s rdna copies the length of 5s rdna unit is 658 - 728 bp hi diploxylon pines while 499 - 521 bp hi the haploxylon p. bungeana

    Ssif7 : na的序列變異與分進化利用分克隆和dna測序分析了油松、雲南松、馬尾松、白皮松和不同遺傳的高山松居群的ssilna基序列變異及基進化規律,得到以下主要結果: ( 1 ) ssrdna的結構特徵。
  19. By analyzing reserve forming conditions of high evolution marine strata, including types of hydrocarbon source, the structural evolution, the condition of preservation and so on, it is considered that under the background of intensive structural movements, the " second " compensatory capabilities of the hydrocarbon source in the middle and lower yangtze region and regional preservation conditions would be the major factors to control the enriched oil and gas collection in this region

    從分析高演化海相地層的烴源類型、構造演化以及整體封存等成藏條件,認為中、下揚地區在強烈的構造運動下,烴源巖的「再次」補給能力和區域保存條件將成為控制中、下揚地區油氣富集的主要素。
  20. Theory therefore indicates that the dark ages were defined by three distinct temperatures : the spin temperature ( a measure of the relative abundance of atoms with different spin states ) ; the ordinary, kinetic temperature ( a measure of the motions of the atoms ) ; and the radiation temperature ( a measure of the energy of the background photons )

    此理論上,黑暗年代是由三種截然不同的溫度來定義:自旋溫度(不同自旋狀態原相對數目的度量) 、一般的動力溫度(原運動的度量)與輻射溫度(能量的度量) 。
分享友人