背光性 的英文怎麼說

中文拼音 [bēiguāngxìng]
背光性 英文
apheliotropism
  • 背 : 背動詞1. （用脊背馱） carry on the back 2. （擔負） bear; shoulder
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 背光 : be in a poor light; do sth with one s back to the light; stand in one s own light背光性 [生物學] ...
  1. 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。
  2. Section two the evaluation of biocompatibility of the acellular dermal matrix by the method of cell culture. the new born rat ' s epdermic cells were cultured with the acellular dermal matrix together as experiment group, while the epdermic cell were cultured simply as control. 24 hours later, under the invert microscope, the epidermic cells anchored well and transparent flat cells were observed in both groups. 7 days later, both cultured cells were taked out and fixed in 95 % ethanol, stained with hematoxylin and were observed under light microscope. many cleaved cells were observed in both groups. during cell culture, no pathogenic microganism was observed. so we considered the acellular dermal matrix was aseptic and had good biocompatibility. section three subdermal implantation of the acellular dermal matrix. 24 rats were used in the experiments. a piece of acellular dermal matrix ( 1. 5 x 1. 5cm2 ) was implanted beneath the dorsum skin flaps of each rat, 1 week, 2 weeks, 3 weeks and 4 weeks after implantation, 6 pieces of acellular dermal matrix were harvested and the size of implanted acellular dermal matrix were measured, the sections were used for he staining and observed under light microscope. the result were as folio wing : 1 - 2 weeks after implantation, the acellular dermal matrix began to adhere to the tissue around and turned red gradually ; 3 - 4weeks after implantation, the acellular dermal matrix adhered closely to the tissue around and could be recognized easily, 1 - 3 weeks after implantation, the size of implanted acellular dermal matrix had no statistical difference ( p > 0. 05 ). 4 weeks after implantation implanted acellular dermal matrix contracted ( p < 0. 05 ). under light microscope, l - 2weeks after implantation, the fibroblast cells infiltrated the acellular dermal matrix and a small amount endothelial cells of vessel and lympho - histiocytic cells infiltrated the acellular dermal matrix. 3 - 4 weeks after implantation, infiltrating blood vessels were evident. so we think that the acellular dermal matrix had low immunological reactions and could induce the infiltration of fibroblast macrophage cell and the endothelial cells of vessel

    結果如下：皮下包埋卜周者，無細胞真皮基質漸與周圍組織粘附，顏色由蒼白轉紅；皮下包埋3周者，無細胞真皮基質與周圍組織緊密枯附，盾晰葉辯；術后卜周，包埋的基質面積變化較包埋前無統計學差異o川0引，術后4周包埋的無細胞真皮基質面積較包埋前縮小j刃刀5 ） 。光鏡下術后卜周，宿主的淋巳組織細胞、成纖維細胞浸入生長，釉附在膠原纖維上，少量血管內皮細胞浸入基質；術后34周，無細胞真皮基質內較多的血管形成，故可認為無細胞真皮基質免疫原性低，能誘導宿主的成纖維細胞、巨噬細胞浸入生長，為一種新型的真皮替代物。第四部分無細胞真皮基質與自體斷層皮片復合移棺的研究， sd大鼠10隻，在其背部卜方造成全厚皮膚缺損的創面
  3. The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well

    從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。
  4. This moment of mystic glory had an unquiet background.

    這個神秘性的光榮時刻卻有了一個令人不安的背景。
  5. E was reclining upon soft downy cushions, covered with blue satin spotted with silver ; her head, supported by one of her exquisitely moulded arms, rested on the divan immediately behind her, while the other was employed in adjusting to her lips the coral tube of a rich narghile, through whose flexible pipe she drew the smoke fragrant by its passage through perfumed water. her attitude, though perfectly natural for an eastern woman would, in a european, have been deemed too full of coquettish straining after effect

    那是一間類似婦女休息室的房間，圓形的，天花板由玫瑰色的玻璃嵌成，燈光由天花板上下來，她這時正斜靠在帶銀點兒的藍綢椅墊上，頭枕著身後的椅背，一隻手托著頭，另外那隻優美的手臂則扶著一支含在嘴裏的長煙筒，這支長煙筒極其名貴，煙管是珊瑚做的，從這支富於彈性的煙管里，升起了一片充滿最美妙的花香的煙霧。
  6. In chapter 2, the pcss are manufactured and two technics are introduced. the practical flow is given. meanwhile the linear operational mode and nonlinear operational mode of pcss are analyzed in chapter 3, after simulating time - space distribution of electron and hole in photoconductor, the relations of laser energy, laser character and photoconduction are analyzed and the fundamental principles of nonlinear phenomenon is introduced

    在第一章中，介紹了本論文的研究背景，簡要回顧了超寬帶光導脈沖源的發展歷史，同時概括了本論文的主要工作。在第二章中，介紹了光導開關的製作及工作原理，詳細闡述了實際的加工流程，並分析了其線性和非線性兩種工作模式。
  7. On a frigid winter morning at india ' s tal chappar animal sanctuary, punjabi came upon two male blackbucks battling for dominance against a glowing backdrop of dust and light

    塔拉恰帕動物避難所的一個嚴寒的早晨，彭加比碰到兩只在光影背景中正在爭奪領地的雄性印度羚。
  8. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下，利用金屬波導和單軸晶體的一些特性，結合麥克斯韋方程組和波導的邊界條件，從三種不同的情況研究了光在對稱平面單軸晶體金屬波導（波導層是單軸晶體，兩個波導界面均為金屬）內的傳輸特性，其主要貢獻為，首次解析地得到了這種波導結構下模式場的精確解，並發現了一些有用的特性： （ 1 ）模式場的性質因單軸晶體的性質不同而異； （ 2 ）當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時，波導中傳輸te波和tm波，只不過其主模因單軸晶體的性質不同而異，當波導層介質為負單軸晶體時，波導主模是te波主模，而波導層介質為正單軸晶體時波導主模是tm波主模。 （ 3 ）當單軸晶體光軸位於波導面內時，對于正單軸晶體，波導的主模是橫電波te _ 0模，任何頻率的光波均可激勵該模式；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階模式，高階模即匪te波，也匪tm波，而是兩者耦合而成的混合模。
  9. Adopting high bright apheliotropic design, achieve excellent optics display performance, can watch very exquisite image in the sun

    採用高亮背光式設計，達到優異的光學顯示性能，能在陽光下可視特別細膩的圖像
  10. The efficient sppc had been performed with 1 - hz - repetition - rate 532nm nanosecond pulses, in which phase conjugate reflectivity as high as 21. 5 % was obtained. when sppc were operated in ce : batio3 with 532nm, 632. 8nm and 790nm cw lasers, the maximum sppc reflectivity of 54. 1 %, 88. 2 % and 80. 5 % were obtained, respectively. unlike the results reported before that four - wave mixing by stimulated photorefractive backscattering ( spb - fwm ) only exists at short wavelengths while four - wave mixing by total internal reflection ( tir - fwm ) only exists at long wavelengths, both of these two mechanisms coexist at all wavelengths from 532nm to 790nm in our experiments

    通過大量的實驗全面研究了ce ： batio _ 3自泵浦位相共軛特性：在低重復頻率（ 1hz ） 、 532nm調q激光泵浦時最高獲得了21 . 5的位相共軛反射率，而此前報道過的建立位相共軛脈沖光最低重復頻率是10hz ；實驗中發現在532nm 790nm波長范圍內，在不同的波長激光泵浦時，同時存在兩種自泵浦位相共軛機制：全內反射?四波混頻（ tir - fwm ）和受激背向散射?四波混頻（ spb - fwm ） ；在連續激光泵浦時，對532nm 、 632 . 8nm和790nm三種波長，最高分別獲得了54 . 1 、 88 . 2和80 . 5的位相共軛反射率；同時還研究了自泵浦位相共軛光的時間穩定性。
  11. . from the direct mutant of spirulina platensis ( sp - d ), we got high purity and activity phycobiliprotein which could grow crystals. the algae fluorescent probe prepared by coupling the above polyclonal antibody to phycobilipotein not only keeps the property of stronger anti - fluorescence quenching but also has the lower fluorescent background when it was used for labeling stoma cells of pea tendril

    以原核表達的peac1為抗原制備了免疫活性較好的抗豌豆肌動蛋白的多克隆抗體，從螺旋藻中純化了高純度、高活性、能結晶的藻膽蛋白，將兩者偶聯制備的藻熒光探針，不僅保持了藻膽蛋白很強的抗熒光淬滅能力，而且用於豌豆卷須氣孔細胞熒光標記時有更低的熒光背景。
  12. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離，給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究，分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響，給出了相應的改進措施。
  13. In this paper we put fonvard the method of introducing the light and middling lanthanon into the tb - fe - co magneto - optical materials by taking advantage of the higher saturation magnetization intensity, higher anisotropy and higher magneto - optical effect of light and middling rare - earth. moreover the law and mechanism of how the addition affect the magneto - optical property of the films were discussed

    本文是在比較、總結現有關于tbfeco磁光薄膜的理論和背景研究的基礎上，利用輕、中稀土元素的高飽和磁化強度、高磁晶各向異性、高磁光效應的優點，提出在傳統的tbfeco磁光材料中摻入輕、中稀土元素的方法。
  14. We provided a new method that tried to transform the whole image to featured space and facilitated identification and self - elimination of disturbance according to the hue and luminosity features of eyes of human being. we gave the definition and description of the transformed space. a wavelet - texture filter was designed to distill space - transform - based feature of the image itself was executed

    根據人眼對顏色、亮度等不同的敏感性以及圖像本身的性質，仿人眼變換域分析圖像形成光學濾色鏡效果，減少復雜背景顏色和相似形狀的多重干擾，並以此定義和表徵變換域特徵空間，給出變換域小波紋理車牌特徵，成功提取車牌字元區域； 2
  15. The judge, whose eyes had gone in the general direction, recalled them, leaned back in his seat, and looked steadily at the man whose life was in his hand, as mr. attorney - general rose to spin the rope, grind the axe, and hammer the nails into the scaffold

    法官收回了適才散射的目光，向椅背上一靠，目不轉睛地望著那青年-那人的性命就摸在他手心裏。此時，檢察長先生站起身來，絞起了絞索，磨起了斧頭，把釘子釘進了斷頭墩。
  16. Moreover, little limitation from intellectual property right, compete - prohibited clause and occupational moral cost the participators little to expropriate. not only can the new enterprises cheaply use knowledge and other critical sources the old enterprises accumulated, but also can be more efficient in accumulating new complementary impersonal knowledge because of its clearer property right structure. all those provide irresistible lure for the participators who have higher ability in accumulating knowledge

    再加上整個社會的制度環境對于產權保護的不力，沒有競業條款和職業道德對企業參與者的約束，使得參與者背叛的成本很低，而新成立的企業在產權上更為清晰，它不光可以廉價地從老企業轉移知識積累和其他核心資源，更可以高效率地繼續積累互補性客觀知識，這無疑是對那些具有較高知識積累能力的企業參與者非常重大的誘惑。
  17. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁（光子）晶體貼片天線，用fdtd方法並結合pml吸收邊界條件對該天線進行了研究，結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善，與普通天線相比，基底中的表面波受到很大抑制，天線的帶寬增加，遠場方向圖上天線的旁瓣和背瓣被明顯削弱，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。
  18. The main features are that the back surface weiding seams are even, smooth and weld edge tidy, excellent in performances of welding technology and welding seam dynamics

    主要特點是背面焊縫勻稱、光滑，焊趾整齊，焊接工藝性能及焊縫力學性能優良。
  19. The shoestring budget never impedes upon law s exhilarating images, as she travels 12, 000km along with dr. kerbi s family across the barren outback to one such refugee camps. spare, lyrical and deeply personal

    羅卓瑤敏銳的視覺感性，通過方令正對自然光的敏感捕捉及高反差的數碼攝影表露無遺，堪與同以澳洲荒漠為背景的前作遇上1967的女神互相輝映。
  20. The company owns the team of optical design, mold design and rpoduct development engineers, offering applicable, advanced, high - level design and services of backlight shows and light guide for customers, on the base of professional, concentrate, focused professional models

    公司擁有由光學設計、模具設計、產品研發工程師組成的研發設計團隊，以專業、專心、專注的職業風范，為客戶在背光顯示，導光板提供適用、先進、高水平的個性化設計與服務。
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