限制譜系 的英文怎麼說

中文拼音 [xiànzhì]
限制譜系 英文
restricted lineage
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 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
  • 限制 : place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制...
  1. 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區域表現出較高的保守性, 4種型內切酶的酶切圖沒有顯示出多態性;增加內切酶種類及供試菌株數量,有可能獲得具有多態性的性內切酶酶切圖; 9本實驗中, its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異,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性評價耳極有可能是毛木耳種的一個變種; 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,兩者的關是相輔相成,互為驗證
  2. With dispersion, xpm can induce intensity fluctuations and timing jitter of the pulses in the receiver. it can also cause the spectral spreading of the channel so that crosstalk is introduced. all these effects put a tight limit on the capacity of the systems

    它與色散共同作用,會導致接收端光脈沖的變形(強度起伏) 、光脈沖的時間抖動以及通道的頻擴展,這些後果都會統的性能。
  3. This paper introduces the research and application of the wearing fault diagnosis for vehicular power transmission systems with its focus on the introduction of the threshold value defining method and its application effect, which has been developed by the authors with the oil spectroscopic analyzer

    本文介紹了車輛動力傳動統磨損類故障診斷的應用研究,重點介紹了作者研究的油液光分析界定的方法和應用效果。
  4. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內,在不同原料氣組成(即不同的氫氣分壓)條件下,對所備的鋯表面改性膜進行了滲氫性能實驗,考核了膜對氫的唯一選擇滲透性,結果表明:在四極質的檢測下內,只有氫氣存在,而無雜質氣體通過;在593k 773k溫度范圍內,鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫流量和滲氫數;其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大,並且呈線性關;壓力對膜的滲氫數幾乎無影響;膜的滲氫數隨著溫度的升高而下降,井巨呈指數關:根據對實驗數據所作滲氫數與溫度關曲線的擬合,在溫度593k 773k范圍內,壓差p 、 0二0
  5. In the paper, by fractional - dimension space model, the relationships between system dimensions and wells width in zno / mgzno quantum well will be studied and the exciton dynamics such as wave functions, radial intensity and bohr radius in zno / mgzno with different well width are studied firstly. secondly, the system dimension, exciton wave functions and absorption spectrum in hexagonal microtube zno film were calculated and simulated, and the confinement of microtube is discussed. then the hexagonal microtube zno films are investigated by capacitance - voltage ( c - v ) measurements and the structure of zno / si were analyzed and modeled

    本文利用分數維空間模型,首先研究了zno / mgzno量子阱中統維度、激子波函數、徑向密度和波爾半徑隨阱寬的變化,從中反映了zno / mgzno量子阱中量子尺寸效應對激子態的影響;其次計算和模擬得到六棱微管zno薄膜的統維度、激子波函數及吸收,討論了微管壁厚對激子的情況。
  6. By reinspecting these materials and analyzing their sequence in calendar, this paper proves that they can be put into one calendar, and the calendar of this period is basically fixed by constraints among the different materials

    重新研究這些材料,分析它們在歷法上的自洽性,證明它們可以屬于同一部歷法,並通過各條材料之間的,基本確定了由這批材料所決定的這段時間的歷
  7. Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively

    其次,由於一直以來藍光oled器件的研究處于相對落後的狀態,其發光亮度、效率、穩定性和色純度都無法綠光器件相比,所以本論文在以下幾個方面對藍光器件的性能進行了統的研究: 1 )研究了雙異質型藍光oled器件,由於本研究引入了空穴阻擋層,使得載流子的復合和激子的擴散被定在發光層內,器件的發光效率達到了1 . 90lm / w ,最大亮度達到了10000cd / m2 ,比傳統結構器件的效率和亮度提高了約一個數量級; 2 )備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件,研究發現,當改變各有機層厚度時,器件的電致發光光發生了從綠光到藍光的移動。
  8. The relationship between the composites " matrix and dopant component, structure and optical properties is studied. a series of important conclusions and creative achievements are obtained. using pore structure measurement technique, the changes of pore structure of silica gel glass matrix under different sol - gel processing conditions are studied

    著重研究了無機基復合金屬酞菁材料的備技術及其成分、結構與光學性能的關聯、影響和控規律,並以光幅性能為應用背景拓展研究,取得了一列重要結論和創新性成果,為備新型高效有機無機復合光幅材料提供了理論依據和物質基礎。
  9. It shows that a disadvantag ekists when a crsi is used to measure a step structure in a wavefront, but it is useful to adjust a crsi system with lcslm. 4. according to the didriction effect of an aperture, the spatial resolution of our crsi was analyzed and the transform function of our crsi was calibrated by using the psd method of a step wavefront. and some factors which are associated with the accuracy of our crsi were analyzed too

    四、從光學統衍射效應的角度分析了本文建立的環路徑向剪切干涉儀的空間解析度,並利用波前功率密度的概念對該干涉儀的空間頻率響應特性進行了標定,分析了該干涉儀測量精度的主要因素以及徑向剪切比與測量精度的關,並指出了該干涉儀的測量范圍,結果顯示該干涉儀基本上可用於準確測量中低頻段的波前畸變。
  10. Investigation using remote sensing ( rs ) technology can breakthrough the limits of traditional methods, make full use of its capability of integration, visualization, rapidity and vast - dimensions analysis, and get better results the paper takes the up - to - date landsat - 7 etm + data, which is the most widely used, and quickbird data, which has the highest resolution nowadays, and according the features of the data and landslides, processes the quickbird data with 1 : 10 000 dem orthophoto correction and the landsat - 7 etm + data as follows : ( 1 ) selecting optimal spectrum band : selects 753 bands as the optimal bands ; ( 2 ) image intensifying : selects the principle components processing method on the basis of comparing several image intensifying methods ; ( 3 ) rigour geometric direction : corrects the geometric distortion of the map ; ( 4 ) image fusion : mainly takes his space transform fusion and resolution fusion method, and acquires maps with higher spectrum resolution as well as space resolution. after that, the visual effect of the image has been enhanced, and the interpretation precision

    採用遙感技術,可以突破傳統調查方法的,發揮其宏觀、綜合、直觀、快速的特點,取得更好的效果。論文選取目前應用最廣的陸地衛星最新列landsat - 7etm +數據和空間解析度最高的商業衛星quickbird數據作為主要的數據源,根據數據的特點及滑坡災害應用特徵,對quickbird遙感數據則基於1 : 10000dem進行了正射校正,對etm +遙感數據進行了波段優選,選取了753作為最佳組合波段;圖像增強,通過各種增強處理方法的效果對比,選擇主成分分析法對圖像進行增強;幾何精校正,糾正圖像的幾何變形;影像融合,主要選取了效果較好的his空間變換融合和解析度融合,得到的圖像既具有較高的光解析度,同時也具有較高的空間解析度。經過上述數字處理,較好地改善了圖像的視覺效果,提高了圖像解譯的精度。
  11. 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水平地震作用下,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;水平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。
  12. The iboc technology, as proposed by the us - based ibiquity digital corporation, is also known as hd radio. it is designed to operate in the existing am and fm bands by attaching digital data to the sideband of analogue signals. the attached segment can either be a separate radio channel or other data

    Iboc是美國ibiquity digital corporation所推廣的式,又命名為hd radio ,它被設計成可以在現行的am和fm頻帶內運行,在模擬訊號的邊旁加上數碼訊號,它可以是電臺聲音廣播或是其它的數據,但由於頻寬的,最大約是200kbps統設計雖然善用有的頻,但技術上較為覆雜,目前正發展第二代產品。
  13. Embryonic stem ( es ) cells are pluripotent cells derived from the inner cell mass ( icm ) of early blastrocyts, which possess the ability of unlimitted proliferation and maintain normal dipoid keptypes under differentiation - inhibited culture in vitro, they will differentiate into multiple lineage cell types or occur commentent and differentiation without differentiation - inhibited factors or hi presence of certain induced - factors.

    胚胎幹細胞( es細胞) ,是存在於早期胚胎內細胞團( icm )的一種多潛能細胞。在體外抑分化培養時, es細胞可無增殖並保持正常的二倍體核型,一旦撤除分化抑因素,或添加適當誘導劑, es細胞可發生分化或定向分化。
  14. The so made silica gel glass has quasi - inkbottle shape and median pore size distribution of 5 - 8nm which is suitable for the doping and protection of mpc molecules. mpc molecules in matrix always have a strong tendency to dimerization that can badly affect the linear absorption spectrum, causing quench of dye fluorescence and change the yield of photochemical processes. it is a vital problem that worth more attention

    鑒于酞普的二聚化是影響其非線性性能和光幅效應的重要因素,應用紫外一可見吸收光( uv / vis )測試技術,跟蹤研究了復合體在溶膠一凝膠轉變過程中酞蓄二聚化的產生機理、主要影響因素和變化規律,提出了可能有效抑二聚的技術途徑。
  15. For the receiver which uses the intermediate frequency real signal output manner, a good frequency plan should guarantee the transition band of the “ spectrum blocks ” which produced by the sampling as wide as possible, so as to ease the burden of the base - band signal processing to the minimum level. it has not been particularly analyzed in the former references about receiver design, and the main

    在以往有關接收機設計的文獻中很少對此進行過詳細的分析,其主要原因是大多數接收機統的信號帶寬較窄(通常在2 、 3mhz以下) , fif和fs受到的較少,可以很輕易的保證采樣之後各「塊」有足夠的過渡帶寬。
  16. Because traditional radio monitoring system is composed of a spectrum analyzer and a single or a multi channel receiver, system performance and automation has been restricted greatly

    傳統的監測統採用單通道或多通道數字監測接收機和頻分析儀構成,統性能和自動化程度受到較大
  17. The company establishes the special bee product examination center and the laboratory, and to develop comprehensive laboratory management system, formulating laboratory standard operating procedure room, purchase including highly effective liquid phase color spectrometer, gas phase color spectrometer, ultraviolet obviously spectrophotometer, elisa analysis, and other food security projects necessary testing equipment. employment has the higher school record and the chemical analysis specialty inspector, the establishment from the sample, receives the type, the examination, the primary data analysis, the result reported arranges integrity test routine which the difference analysis, the recording files away, establishing corporate self ? inspection system products

    高原羚蜂業有公司建立專門的蜂產品檢測中心和實驗室,並定完善的實驗室管理度,定實驗室標準操作規程,購置包括高效液相色儀、氣相色儀、紫外可見分光光度計、酶聯免疫分析儀等食品安全項目必要的檢測設備,聘用具有較高學歷和化學分析專長的檢驗員,建立從取樣、收樣、檢測、原始數據分析、結果報告到偏差分析、記錄歸檔的完整檢驗程序,從而確立產品的企業自檢體
  18. The characteristic value of the so - called inverse algebraic eigenvalue problem is that under certain restrict conditions against the question, elements of matrix are determined according to eigenvalue or eigenvector. the practical inverse alebraic eigenvalue problem arose in phisical chemistry in the study of molecular structures. it arises in various areas of application in a lot of filelds, such as dispersed system of physical mathematic, design of vibration system of the structure, correct and control, particle nuclear spectroscopy, linear variable control system and so on

    所謂代數特徵值反問題就是在一定的條件下,根據給定的特徵值或特徵向量決定矩陣的元素,它是在研究物理化學中研究分子結構時發現的。矩陣特徵值反問題在數學物理反問題的離散統、結構振動統的設計、校正與控、粒子物理的核光學、線性多變量控統的極點配置等許多領域都具有重要的應用。
分享友人