light ratio 中文意思是什麼

light ratio 解釋
光比
  • light : n 1 光,光線;光明,亮光 (opp darkness) Hang the picture in a good light 把那幅畫掛在能看清楚的...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. The light power of the composite system is equal to the ratio of the two single light power's.

    組合系統的光力則為兩個單個光力之比。
  2. Both reduced irradiance and defoliation caused decreased slm ( specific leaf mass ). ( 4 ) generally, chlorophyll content and chlorophyll concentration increased with reduced light levels, the ratio of chlorophyll a to chlorophyll b of defoliated plants was higher than those of controlled plants, while in latter period, the results were contrary to that of the former period

    ( 4 )葉綠素含量和濃度總體上都隨光照水平的降低而升高,葉綠素a / b在高光條件下顯著大於低光水平下的植株,葉損失植株的葉綠素a / b值處理初期小於未受損植株,處理後期則大於未受損植株。
  3. The molecular extinction coefficient is equal to the ratio of the log of the intensity of the incident and emergent light.

    分子的消光系數等於入射光和透射光強度對數的比。
  4. Recombination gene was cut - down and introduced into the nuclei of oocytes or the cytoplasm of goldfish at one - cell stage via microinjection. the results as follows : ( 1 ) fluorescence was observed from embryo under suitable uv light after microinjection 36 hours. the fluorescent ratio of gastrula embryo period was up to 25 %

    採用顯微注射法將這種重組基因轉化1細胞期的金魚受精卵,實驗結果如下: ( 1 )顯微注射后,根據胚胎發育分期,胚胎在顯微注射后36小時開始能在紫外燈下觀察到熒光,原腸期發熒光的胚胎比例為25 ,後期發育熒光率逐漸下降,肌肉效應期后又相對穩定。
  5. Effect of base to dressing ratio of nitrogen fertilizer on wheat yield and quality in light - loamy chao soil

    輕壤質潮土氮肥基追比對小麥產量與品質的影響
  6. The catena product is in the light of iso international criterion to design and make iso2858, pumpbody adopt metalline crust pad fluorine plastics inside, impeller and pump - cover all adopt metal embed part wrap fluorine plastics alloy outside to press. to make it possess superduper resist impact and eximious resist causticity, axis - envelop choose advanced outer - install form moire - pipe machine - airproof, airproof of oppositely abrade have silicon nitride chinaware f4 horniness alloy to choose. it has ratio of very high capability and price

    本系列產品按國際標準設計製造iso2858 ,泵體採用金屬外殼內襯氟塑料,葉輪及泵蓋均採用金屬嵌件外包氟塑料合金模壓成型,使其具有超強的抗沖擊能力又有卓越的耐腐蝕性能,軸封選用先進的外裝式波紋管機械密封,對磨的密封面有:碳化硅陶瓷四氟硬質合金可供選擇。
  7. It is in the light of iso international criterion to design and make, pumpbody adopt metalline crust pad fluorine plastics inside, impeller and pump - cover all adopt metal embed part wrap fluorine plastics alloy outside to press. it has ratio of very high capability and price. its the most diffusely apply of resisting causticity centrifugal pumps at chemical engineering profession at present

    按國際標準設計製造,泵體採用金屬外殼內襯氟塑料f46 ,葉輪及泵蓋均採用金屬嵌件外包氟塑料合金模壓成型,具有很高的性能價格比,是目前化工行業應用最為廣泛的防腐離心泵。
  8. In cultivated salvia miltiorrhiza roots, light - colored periderm contained less layers of cells and low ratio of phloem to xylem, compared with those in wild salvia rniltiorrhiza roots

    栽培丹參根的周皮細胞層數少、色淡,韌皮部與木質部比值小,而野生丹參根的周皮細胞層數多、顏色重,韌皮部與木質部比值大。
  9. Hydraulic system have been used widely, with light structure, large transmission ratio and running placidity, in weapons and equipments in the second artillery troop

    液壓傳動系統具有結構輕小,傳動比大、運行平穩等優點,在二炮武器裝備中得到了廣泛應用。
  10. The existing of poypropylene can raise the liquid fraction ratio, especially the light oil ratio, so it can fortify the effect of the cracking reaction of polyene to light oil

    摘要在廢舊聚烯烴的裂解反應中,聚丙烯的存在,可以提高輕油餾份的收率,增強反應的油化效果,本文稱之為聚烯烴裂解反應的增強效應。
  11. The most important feather in this design is that the number of motors have controlled only in two and de - scend the motors on the base. ( one motor used for turn motion of the base, whereby maked the manipulator motion in throughout space. another motor used to drive the manus ) excepted for adopped synchronization bell which have light weight and accu - rate gear ratio to reliefed relatively the weight of manipulator ' s device

    在本設計中除了採用材質輕而又傳動比準確的同步帶傳動可以相對減輕手臂傳動機構的重量之外,最主要的特點足將電機數量控制在兩臺(一臺用於底座的回轉運動,從而實現機械手在整個空間的運動;另一臺用於驅動手臂的運動)並將電機下置於底座。
  12. This normally black display mode exhibits an excellent contrast ratio, achromatic light transmission, high brightness, low operation voltage and wide viewing angle on the director of parallel and vertical

    研究發現該常黑型顯示模式具有很高的對比度、幾乎無色散、高亮度、較低工作電壓和在水平和垂直方向具有寬視角等特點。
  13. Based on the reseaching of lycoris leaf micro - morphology characters by sem scanning, light microscope viewing and using paraffin method in the article, we try to provide the proofs of experiment and the efffective characer indexes to discuss the system and evolution of the lycoris. we find these microscope characers through reseach are as follows : the arrangement type, density and the length of stoma ; the shape and length of the epidermal cells ; the ridge of epidermis ; the transverse shape of leaf ; the number of the vascular bundle ; the style of vessel arrangement of vascular bundle in the middle vein ; the layers of palisade tissue ; the ratio of the thicken of palisade tissue to that of spongy tissue ; the angle number of the middle leaf ; the type of ventilating cavity etc. these characters are different from those of species in lycoris, meanwhile these characters are similar to those of some species in lycoris. so these characters can be used as the character indexes for differentiating species and reseaching systematic evolution of lycoris ; we can divide lycoris into two subgenus by these characteristic indexes : the species of one subgenus are l. aurea ( l " her. ) herb, chinensis traub, l. caldweuii traub, l. anhuiensis y. hsu et q. j. fan, l. longituba y. hsu et q. j. fan ; the species of another subgenu s are l. houdyshelii traub, l. albiflora koidz.,

    研究結果表明:葉表皮的氣孔排列方式、長度、長寬比,脊的明顯與否,葉表皮上的顆粒紋飾的多少、大小,葉表皮細胞長度、長寬比、垂周壁形狀,上部葉柵欄組織細胞層數、葉的維管束數、葉中脈導管組成數目,氣腔類型,葉的脊部遠軸面的角數,葉緣的形狀等這些特徵在種間存在差異,同時,在有些種之間又有相似性;因此,這些特徵既可以作為區分種的證據,又是研究石蒜屬植物系統演化的性狀指標,根據這些性狀指標,可以將石蒜屬植物大致分為兩個亞屬:一是忽地笑、中國石蒜、短蕊石蒜、安徽石蒜、長筒石蒜,二是江蘇石蒜、乳白石蒜、石蒜、玫瑰石蒜、稻草石蒜;在兩個亞屬中其中有些種如忽地笑、長筒石蒜、中國石蒜的親緣關系則更近些。
  14. In light of market risk, there are sensitivity measurement method and volatility measurement method as well as the concepts about risk measurement, such as variance, duration, 3 - coefficient, 5 - coefficient and value at risk. and in light of credit risk, there are accounting - based ratio measurement method and volatility - based measurement method, as well as the related concepts, such as credit rating, z - score, transition matrix, expected default frequency

    其中,針對市場風險度量的方法包括靈敏度測量風險方法和波動性測量風險方法,與之相關的風險度量概念有方差、持續期、系數、類系數和在險價值;針對信用風險度量的方法包括基於財務比率的風險測量方法和基於波動性的風險測量方法,與之相關的風險度量概念有信用評級、 z分數、轉換矩陣、違約頻率。
  15. Culture of mg7 hybridoma cells and detection of antigen - binding affinity of mg7 mab by elisa 2. construction and identification of mg7 recombinant phage antibody library mrna was isolated from cultured mg7 hybridoma cells and converted into cdna ; the variable fragments of heavy and light chain were separately amplified and assembled into scfvs with a specially constructed dna linker by pcr. the scfvs dma was ligated into the phagmid vector pcantabse and the ligated sample was transfered into competent e. co / / tg1 to generate a bacterial form of mg7recombinant phage antibody library ; volume and recombinant ratio of the library were evaluated by means of bacterial colony counts and restriction analysis ( ecor i and hind iii )

    Mg _ 7重組噬菌體抗體庫的構建及鑒定從培養的mg _ 7雜交瘤細胞中提取並分離mrna ,反轉錄成cdna ;利用pcr分別擴增mg _ 7單抗的重鏈及輕鏈可變區基因,並通過? dna連接子將二者連接起來形成mg _ 7單鏈抗體基因;將mg _ 7單鏈抗體基因插入pcantab5e ;將連接產物轉化感受態tg1大腸桿菌,制備細菌形式的mg _ 7重組噬菌體抗體庫;通過菌落計數和限制性酶切分析( ecor和hind )評估mg _ 7重組噬菌體抗體庫的容量和重組率。
  16. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀,分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量,分別探求了外力約束對膨脹土強度的影響,不同飽和度膨脹土的總應力強度特性,干濕循環對非飽和膨脹土總應力強度的影響,飽和度與壓縮模量以及孔隙比的關系,干濕循環對飽和膨脹土有效應力強度指標的影響,廣義吸力與飽和度的關系,建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。
  17. A separated - parameter method is proposed to calibrate the structure parameter. a vanishing line method is proposed to calibrate the normal vector of light plane and invariability of cross - ratio is proposed to calibrate the baseline length

    並提出一種參數分離的方法對傳感器進行了標定,採用消隱線法標定激光平面的法矢量,利用交比不變原理標定激光平面的基線長度。
  18. Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession

    對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明,川灰木利用資源的能力最強、分佈廣,為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化,分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展,導致環境的改變不適于其幼齡個體的生長,群落演替到針闊葉混交林階段,最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力,是種群分佈與群落演替的內在原因,光因子和營養元素(如n )是群落演替的主要外部動力
  19. The experiment show that cr : sbn crystal has super characteristic of four - wave mixing to produce the phase - conjugate wave. we study the dependence of the phase - conjugate reflectivity of 1000ppm cr : sbn crystal on the parameters of incidence light such as light intensity ratio and the angle of incidence

    研究了摻雜量為500ppm的cr : sbn晶體的四波混頻相位共軛特性,發現該晶體的四波混頻特性不如摻雜量為1000ppm的cr : sbn晶體。
  20. Abstract : a improved method using simple instrument to expand gaussian distribution light field and get large - range homogeneous ideal light field was presented. an optical setup used to expand gaussian distribution light field was designed to improve the utilization ratio of light energy and satisfactory experimental results ware obtained

    文摘:提出採用簡單器件,將高斯分佈光場經再擴展,獲得大范圍均勻的理想光場的方法;設計了對高斯分佈光場再擴展光路,並提高散射光場光能的利用率,取得良好的實驗效果。
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