照相對比度 的英文怎麼說
中文拼音 [zhàoxiāngduìbǐdù]
照相對比度
英文
photographic contrast- 照 : Ⅰ動詞1 (照射) illuminate; light up; shine 2 (反映) reflect; mirror 3 (拍攝) take a picture ...
- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 照相 : 1 (拍照) take a picture; take pictures; take photographs; take photos; photographing base; phot...
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Root elongation in hydroponic solutions showed that the transgenic plant have increased al tolerance. the transgenic plants have higher relative root elongation under 20umol / l al stress than untransformed control
根相對生長量實驗證明轉基因植株具有一定的鋁耐受性,在20 mol l的al ~ ( 3 + )濃度下比對照具有更高的根相對生長量。The author mainly anticipates the task including the simulation of eye fundus imaging and image mosaic. on the base of the dr principle and ophthalmic phototropism study, the author analyze and contrast new fundus camera system with traditional fundus camera. the author will establish the eyeball model with 3ds max technology, imitate the simple eyeball dioptre system and simulate the narrow - angle imaging to ensure the rationality and authenticity of fundus image, which solves the object origin of later image process, then fast mosaics the nine piece of fundus images with the help of the image registration theory and acquire a piece of wide - view fundus image containing more information, thereby provides doctor with enough diagnostic detail, which solves the problem of narrow view
作者在熟悉糖尿病性視網膜病變原理和眼科屈光學的基礎上,進一步研究分析了新型免散瞳眼底照相系統和傳統眼底照相機原理和區別,擬採用3dsmax建立三維眼球模型,模擬眼球屈光系統,模擬眼底照相系統的小角度拍攝,使獲取的眼底圖像合理真實,解決後期系統圖像分析處理的對象來源問題;然後運用醫學圖像配準理論對模擬獲取到的九幅小角度眼底圖像進行快速拼接,拼成一幅大角度的眼底圖像,解決小瞳孔拍攝圖像視角太小的問題;最後通過對眼底圖像配準演算法在相似性測度和搜索演算法的比較,找到一種適合眼底照相系統的眼底圖像拼接的快速演算法。If we can find a way to artificially enhance the adsorption of activated carbon, its benefits on economy and environment will be considerable. it is the aim of this work to investigate electrosorption of chloroform in water on granular activated carbon. the potentials on working electrode are controlled by potentiostat and the concentration of chloroform is measured by headspace gas chromatography
實驗用恆電位儀作控制電源,調節工作電極電位(相對于參比電極電位)來控制加在活性炭上的電場,用頂空進樣法測定水中氯仿的剩餘濃度,參照方法與依據都是國家標準方法或國外先進方法。8. after fumigation for 3h in diverse concentration so2, the cat activity of resistant plant and sensitive plant is obviously less than the check group, and the rate of cat decrease rises with the rise of so2 concentration. the cat activity of resistant plant is comparatively stronger than sensitive plant ' s
8 .不同濃度的50 :熏氣3h后,抗性和敏感植物體內的cat活性均明顯低於對照,而且隨50 :濃度的增大cat降低的比率也隨之增大,濃度越大,差別越顯著,而且抗性植物體內的cat酶活性相對高於敏感植物。Although they are just sprats compared with the four large state - owned commercial banks, they have specific advantages, including that they have established the corporate governance with flexible operation, clarified their orientation in markets, set up a relatively effective stimulative system, and built up the innovative spirits
相對四大國家銀行,這些股份制商業銀行明顯處于比較弱小的位置,但又有自己的獨特優勢:基本上按照現代企業制度建立了比較完善的法人治理結構,有比較明確的市場定位,經營比較靈活,各自有一套比較有效的激勵機制,具有一定的創新活力。Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions
細胞色素b基因序列變異分析表明: 1 )雁形目鳥類細胞色素b基因全序列長度一致,無插入和缺失:對照雞線粒體密碼子系統全序列能全部翻譯成氨基酸序列,無無義突變,全序列內部無終止密碼子; 2 )序列比對后1143加,含416個核著酸變異位點, 306個簡約信息位點,其中處於密碼子第三位的變異最大,第一位和第二位堿基的變異相對較小。According to relative criteria, the performance of ash - jd such as ratio of water - reducing, ratio of compressive strength, effect of enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and impermeability to water etc are all equal to the traditional aminosulfonic - based superplasticizers, and the ratio of performance to price is better than naphthalene series superplasticizers
按照相關標準,對產品進行了測試,所開發的低成本改性氨基磺酸鹽高效減水劑ash - jd的各項性能如減水率、抗壓強度比、增強效果、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等相當于傳統氨基磺酸鹽高效減水劑,性能價格比優于萘系高效減水劑。3. amino acid assay found that besides the release of glu, preincubation with synaptosomes at 370c for 30 min enabled - agtx to reduce kcl induced asp, gly, gaba release from synaptosomes by 90 3 %, 94. 5 2 % and 95 1. 5 %, however ionomycin evoked release of these transmitters is not significantly affected. it is indicated - agtx has a common inhibitory effect on the release of these transmitters by a resemble mechanism
氨基酸測定發現,與突觸體370c下共保溫30分鐘,除glu外, 18nm - agtx還可以有效抑制50mmkcl誘發的asp , gly和gaba神經遞質的突觸前釋放,與鈣對照相比,抑製程度分別為90 3 % , 94 . 5 2 %和95 1 . 5 % ,但對ionimycin激發的遞質釋放沒有明顯抑制作用,顯示- agtx對這些神經遞質的釋放可能存在一個相同的作用機制。After spraying the herbicide, the results with time show that no obvious quantitative difference occurred in benthic species composition, biomass, inhabit density and the coherent variation trend between experimental zone and controlled zone
藥物噴灑后不同時段調查結果表明:試驗區與對照區的底棲生物種類組成、生物量、棲息密度同步對比數量相差不明顯,其隨時間變化的趨勢亦呈現總體一致。The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large
本文主要包括以下內容:從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式,並將有限元方法應用於剛架拱橋結構溫度應力的計算中,對橋梁結構進行整體溫度應力分析;討論了年溫差和日照溫差引起的橋梁結構的溫度效應,表明年溫差引起的溫度效應較小,而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈;分析比較了橋梁結構各個部位的溫度效應的大小,可知截面越小溫度拉應力越大,受力越不利;並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討,發現在頂板下緣也會出現相當大的溫度拉應力,並且梗腋的存在反而增加了頂板底部的溫度拉應力;還對幾種相近的剛構式橋型的溫度效應進行了分析對比,總結了這些橋型針對溫度效應的優劣,並提出相應的針對性措施。According to the high precision and rotation stability requirement of negative scan unit of cylinder photography typesetting machine, the three levels of cylindrical gears transmission separately, the two - stage cylindrical gears - worm drive, and the worm drive was chosen through calculating its velocity ratio, the checking transmission precision, carrying on the movement precision analysis to the sweep unit, and computing overall transmission error
摘要針對圓筒型照相排版機底片掃描裝置要求傳動精度高,轉動平穩的特點,分別選擇三級圓柱齒輪傳動,雙級圓柱齒輪蝸桿傳動,蝸桿傳動3種常見的傳動方式,計算其傳動比,驗算傳動精度,對掃描裝置進行運動精度分析,計算總體傳動誤差。If authentic evidence makes clear ( wait according to contract or consultative agreement ) the advertisement fee that the company pays actually, its corresponding concerned advertisement service will be in future is obtained inside a few financial year, criterion this period the advertisement fee that pays actually should regard imprest zhang as the paragraph, inside each financial year that accepts advertisement service, agree according to bilateral contract or agreement each period the scale that accepts advertisement service in installment plan enter increase and decrease
假如有確鑿證據表明(按照合同或協議約定等)企業實際支付的廣告費,其相對應的有關廣告服務將在未來幾個會計年度內獲得,則本期實際支付的廣告費應作為預付賬款,在接受廣告服務的各會計年度內,按照雙方合同或協議約定的各期接受廣告服務的比例分期計入損益。Objectie. the purpose was to ealuate the influence of pain distribution on ertical grf of patients with low back problems during 2 walking speed conditions : preferred and fastest speeds
研究設計:通過對只有背部疼痛組,背部疼痛並牽扯到腿部組,及正常對照組3個性別年齡相匹配組進行兩種步行速度的對比,來橫向分析垂直地面反應力。Through choosing different diameter of sand granule, using fecl3 and pac as the coagulants, doing paralleled test through standard filtration column compared with referenced filtration columns ( the coarser and the finer sand granule used as filtration media separately ), the thesis investigates the correlation between the filtration behavior and the depth of the deep bed l, the diameter of the sand granule d
本文採用不同粒徑的石英砂濾料,以fecl _ 3 、 pac作為混凝劑,通過進行標準濾池與參照濾池(分別裝填細濾料、粗濾料)的平行對比試驗,研究濾料粒徑改變后,濾池過濾特性與濾池深度l 、濾料粒徑d的相關關系。In this paper, the stresses of concrete watertight walls with different elasticity modules are calculated, according to deformation compatibility and boundary conditions of watertight walls and soil layers around, and some factors such as durability of walls are considered, the optimal wall intensity and the corresponding elasticity module are determined, thereby the mixing ratio of wall material can be ascertained by test
文章通過對不同彈模的砼防滲墻的應力計算,按照防滲墻與周圍土層的變形協調性能和邊界條件,並考慮墻體的耐久性等因素,確定最優的墻體強度及相對應的彈性模量,進而通過試驗確定墻體材料的配合比。The third kind of channels is the asset prices channels, in particular the equity ( stock and bond ) price channels, which include the investment - related tobin ' s q channel and the consumption - related wealth channel. the fourth kind of channels is the exchange rate channel. each channel is related to an implicit financial structure and the financial structure impacts on the scope and relative strength of the concerned kind of monetary transmission channels
第3章根據資金流量帳戶,從金融工具的發展速度和順序、金融總體相關比率和相對比率、金融機構和金融市場的結構和滲透程度、非金融部門(居民、企業和政府)的金融資產負債結構共四大方面,系統地考察了中國金融結構的變遷軌跡,以及以美國為參照系的演變前景。We took atrazine and metsulfuron - methyl as examples to evaluate their dynamics of degradation in soils and the responses of microbial biomass after application of organic matters and fertilizers. the objectives are to find out the relationship among of organic matters / fertilizers added, microbial biomass and herbicides degradation, and for remediation of soils contaminated by herbicides. the main results were summarized as follows : effect of organic matters and fertilizers on microbial biomass in soils contaminated by atrazine / metsulfuron - niethyl herbicides ( l ) the contents of soil microbial biomass c, n and p significantly decreased after application of atrazine at the rate of 22
與空白對照相比,在淡塗泥田中微生物生物量碳、氮、磷分別平均降低了12 . 37 、 11 . 79和11 . 94 ;在青紫泥田中分別平均降低了10 . 70 、 8 . 43和13 . 66 ;在黃筋泥田中分別平均降低了8 . 55 、 11 . 95 (因其酸度較低,微生物生物量磷的測定方法與前兩種土壤的不同,所以未測定其中的微生物生物量磷的含量) 。Non - destructive testing. industrial radiology. determination of the sensitivity and average contrast of image receiver systems based on radiographic film and consisting of one or two fluorometallic intensifier screens used in the energy range from 50 kev to 1, 5 mev
無損檢驗.工業放射學.能量范圍從50kev至1 . 5mev用射線照相術底片和帶有一個或兩個熒光金屬放大器屏的圖象接收系統感光度和對比度平均值的測定Abstract aiming at the darkness and low contrast of low illumination image, a low illumination image enhancement method, combining improved histogram equalization and improved local contrast enhancement, was designed, which satisfied the needs of adjusting dynamic range and enhancing local contrast
摘要針對低照度圖像暗且對比度低的特點,提出了一種將改進的直方圖均衡化方法與改進的局部對比度增強方法相結合的低照度圖像處理方法,滿足了圖像增強的兩種要求:調節動態范圍,增強局部對比度。For the problem of navigation planning, the selection of the navigation signpost, asteroids and the planning of the photoing sequence are important matter. this dissertation proposes criterions, including visible magnitude, distance, relative velocity, angle of sight lines, on selection of asteroids, based on the trajectory scheme of exploring ivar
對于導航小行星篩選問題,提出了基於小行星可見星等、距離、相對速度、視線夾角的篩選準則,並利用綜合評估的方式進行導航小行星的篩選;對于小行星拍照序列規劃問題,分別採用反復最鄰近法和改進的遺傳演算法進行求解,並對兩種方法進行了比較分析。分享友人