譜系水平 的英文怎麼說

中文拼音 [shuǐpíng]
譜系水平 英文
hierarchical level
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 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...
  • 水平 : 1. (跟水面平行的) horizontal;level2. (達到的高度) standard; level
  1. And l. mollis hemsl, a random amplified polymorphic dna ( rapd ) analysis was performed for the first time. the screening of 40 decamer oligonucleotides allowed the selection of 11 primers used for the analysis, the dna fingerprints of 10 samples were constituted and the genetics evidence was furnished. to study on the contents and chemical constituents of essential oil from leaves and fruits of different species of litsea lam, the chemical compositions were separated and identified by gc / ms

    為了評價山雞椒和毛葉木姜子的不同品種和品,採用rapd技術,從40個引物中篩選出11個特徵引物,首次獲得山雞椒和毛葉木姜子以及它們的栽培品的dna分子指紋圖,從分子上較全面地評價了各樣品間的親緣關,從而為栽培品種的劃分提供了一定的遺傳學上的證據。
  2. The types of the detection equipments and apparatus are over 100, such as x - ray detector, r - ray detector, digital ultrasonic flaw detector, eddy current flaw detector, eddy current flaw detector, magnetic memory metal diagnostic instrument, acoustic emission testing an analyzing system, three - dimensional ultrasonic testing system, microcomuterhydraulic pressureniversal testing machine, metalloscope, portable direct - read spectrograph, have achieved the national advanced technology

    擁有各種檢測設備100多套,如射線探傷機、數字式超聲波探傷儀、渦流探傷儀、磁記憶金屬診斷儀、聲發射檢測及分析統、三維超聲波檢測統、便攜式直讀光儀、微機式液壓萬能試驗機、金相顯微鏡等,達到國內先進
  3. 4 a block diagram of phased array radar used which is used to measuring the distance, velocity and azimuth of the object in the horizontal plan and the highness in the vertical plane

    4給出了方向採用二維估計技術測距離、速度和方位,垂直方向採用波束掃描測高的小型車載相控陣雷達統框圖。
  4. The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude

    在回歸出中小地震的衰減關后,本文對峰值加速度(向與垂向) 、加速度反應(阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 )的衰減特性進行了分析,影響因素主要考慮了震級與距離這兩個方面。
  5. Isozymes in different tissues of three stains of crucian carp were studied comparatively. the results indicated that pengze crucian carp is different from silver crucian carp in biochemical level, they probably came from different region. the electrophoretogram of pengze crucian carp and silver crucian carp all included the basal patterns of wild crucian carp

    通過對三種鯽魚品不同組織同工酶的電泳圖的比較研究,揭示了彭澤鯽和銀鯽至少在生化上已有明顯的分化,很可能起源於不同的地區,獨立演化而形成。
  6. Environmental radiation levels from the automatic gamma spectrometry system at ping chau in mirs bay

    大鵬灣洲的自動伽馬統所得的環境輻射
  7. The karyotypes often of them were analysed. the rapd fingerprints and systematics of thirty wild species including the fourteen wild species mentioned and two cultivars in the family were studied. these were intended to provide theoretical reference at the cytological and molecular lever for species identification, systematics study and breeding work of these plants

    本文對海南境內的14個野生種菊科植物進行了染色體計數,並對其中的10個種進行了核型分析,同時對包括上述14個種在內的30個野生種菊科植物和2個栽培種菊科植物進行了rapd指紋圖統學研究,旨在為這些植物的物種鑒定、統學研究和育種工作提供細胞學、分子的理論依據。
  8. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個能見度狀況下擬合函數的數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外輻射中散射輻射與大氣質量、大氣總光學厚度的定性關和定量表達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,表明反演結果基本合理。
  9. All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser

    激光二極體端面泵浦的固體激光器具有效率高、線窄、壽命長、結構簡單、使用方便等優點,特別是採用環行諧振腔內加光學單向器構成的單頻激光器,由於頻率穩定,使其成為許多高量子光學實驗的主要光源。本論文圍繞全固態單頻藍,綠,紅外激光器進行了一列實驗研究工作。
  10. Thermocycled pcr samples were resolved electrophoretically on 1. 5 % agarose gels and taken photos using a polaroid camera. the statistical results were analyzed by the spss software, and the cluster figures were obtained. conclusions could be drawn from the study as following : 1 ) the molecular systematics of 57 species of crickets, which belong to 26 genera 7 family in grylloidea, had been studied by the approach of rapd

    本項研究在依據外部形態分類鑒定及前人工作的基礎上,採用rapd技術,通過對蟋蟀總科7科26屬57種蟋蟀基因組dna的rapd圖的比較研究,在分子上探討這些類群的分類地位和親緣關,為豐富蟋蟀總科的分子統學研究,並為進一步完善蟋蟀總科的分類統,揭示其統發育及演化提供分子的依據。
  11. 754 horizontal - component digital broad - band records in western north america are processed. the acceleration response spectra are calculated and used as part of the database. the response spectrum values are estimated by the earthquake magnitude definition and are used as another part of the database

    將美國西部地區作為參考地區,對美國南加州地區的數字寬頻帶記錄進行了搜集與處理後作為觀測資料,共754條向記錄,與利用震級定義所估計的反應值一起,用統計回歸的方法建立美國西部長周期加速度反應衰減關
  12. In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods

    本文基於對大量歐洲強震記錄的研究,分析了地震動豎向與向分量在峰值加速度、反應值、頻周期等參數方面的差異,以及這些參數與場地、震源機制、震級和震中距的關,得到了以下有意義的結果和結論:在本文分析的地震記錄中大約1 / 3的記錄加速度峰值比大於2 / 3 ,豎向地震動分量的作用不可低估;在短周期,豎向地震動影響數的最大值僅取為向地震動影響數最大值的65 %是偏於不安全的,可以考慮按周期分段採用不同的折減數;我國現行抗震規范中設計反應特徵周期的取值偏低,可能是偏於不安全的;豎向與向地震動分量卓越周期的比值在0 . 7 - 0 . 9之間,豎向設計反應的特徵周期應有單獨規定。
  13. This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization

    摘要研究了確定設計地震動參數中涉及的若干問題,其中包括基巖加速度反應衰減關的選擇、震源深度對基巖加速度峰值及基巖反應曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應的標定等問題。
  14. “ it is not clear yet whether the protectie effect of the mediterranean diet for chronic respiratory disease is due solely to its high content of antioxidants which are known to reduce the risk of tissue inflammation, or whether the lower leels of sugars and nitrates in such a diet also contribute

    「仍不是十分清楚,地中海食對慢性呼吸統疾病的有效保護作用是否僅僅因為含有豐富的抗氧化劑,眾所周知,它是減少炎性反應的物質,還是得益於他們的食物中含較低的糖和硝酸鹽類物質。 」
  15. But while it is unlikely that people have a mental, smell - based map of their partners in the way that voles do, there are strong hints that the hormone pair have something to reveal about the nature of human love : among those of man ' s fellow primates that have been studied, monogamous marmosets have higher levels of vasopressin bound in the reward centres of their brains than do non - monogamous rhesus macaques

    盡管與田鼠不一樣,人類不太可能有一張基於嗅覺的神經統伴侶圖,但若干線索已有力說明,這兩種荷爾蒙能揭示一些人類戀愛的本質在已被研究過的人類靈長目同伴之中,一夫一妻制小長尾猴的大腦獎賞中樞統中,抗利尿激素較非一夫一妻制的恆河短尾猿高。
  16. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體,通過改變結構參數,運用空間有限元方法,進行地震作用計算。統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  17. The goal of this paper is to develop the long period attenuation relationships for horizontal acceleration response spectrum of rock site in china

    本文建立了我國向基巖長周期加速度反應衰減關
  18. Then the transform method and the digital broad - band data from china is applied to obtain the wide period attenuation relationships for horizontal acceleration response spectra of eastern china and western china in rock sites ( c, = 5 % )

    最後用常規的轉換方法,並加入我國158條向寬頻帶數字記錄,建立了中國東部和西部地區的向基巖寬周期( t = 0 . 04 - 20s , = 5 )加速度反應衰減關
  19. The long period attenuation relationship of acceleration response spectrum is developed using this database. the short - period attenuation equation is developed by using the analog strong motion records of western north america. by connecting the short period and the long period attenuation relationships together, the wide period ( 7 " = 0. 04 - 20sec ) attenuation relationships for horizontal acceleration response spectrum of western north america are obtained

    與用模擬式強震儀記錄所得出的美國西部地區短周期( t = 0 . 04s - 4s )加速度反應衰減關結合,得出了美國西部地區向基巖寬周期( t = 0 . 04 - 20s )加速度反應衰減關
  20. The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction

    進行了帶縫空心剪力墻結構六層樓房的1 3模型的擬動力試驗,研究了結構在地震作用下的受力特點、變形特徵、破壞形態等力學性能;得到了結構在不同受力階段的頻率、阻尼、反應等動力特性變化規律;討論了結構各樓層的位移、層間位移、地震力、加速度放大數及構件應力分佈規律等結構地震反應特徵;指出了結構的抗震類型、薄弱層及薄弱部位;提出了多層帶縫空心剪力墻結構的第一階段設計方法和相應構造措施。
分享友人