照明對比度 的英文怎麼說
中文拼音 [zhàomíngduìbǐdù]
照明對比度
英文
lighting contrast ratio- 照 : Ⅰ動詞1 (照射) illuminate; light up; shine 2 (反映) reflect; mirror 3 (拍攝) take a picture ...
- 明 : Ⅰ形容詞1 (明亮) bright; brilliant; light 2 (明白;清楚) clear; distinct 3 (公開;顯露在外;不隱...
- 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
- 照明 : lighting; illumination; clearing luminary; enlighten; throw light on; emblaze
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Special features for copying inputting originals auto paper select, auto scaling select, vertical horizontal independent anemographic magnification, final scale adjustment, copy density adjustment 7 degrees, scan start position adjustment, and copy position adjustment, top bottom bottom margin setting, mirror image, trimming, negative positive inversion, header, reference input, rotate image, sharpness, contrast, additional copy, scanning speed change
自動用紙選擇,自動倍率選擇,縱向或橫向獨立縮放,倍率微調,復印濃度調整,掃描起始位置選擇,復印位置選擇,前後端空白選擇,消除框線,鏡像,正負片反轉,頁眉,參照列印,畫面偏轉,明兩度,對比度,追加復印,掃描速度選擇,電子分頁可選配置When compared to the reference group, treated with cream base, a clear shortening of the mean thrombus length was seen after the administration of hirudoid
而與用軟膏基質的對照組相比,應用喜療妥后平均血栓長度明顯縮短。According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition
作為工程實現前的實驗研究,對三類具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗,發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像(傳輸距離從4 . 5米到100米之間) ,較原始模擬視頻圖像在幾何位置信息上沒有衰變,而在亮度、對比度、邊緣清晰度這些方面有明顯的優勢;但是按dvcam壓縮格式(常見于sony公司的系列產品,是5 : 1的dct幀內壓縮)壓縮的數字視頻圖像,較原始模擬參照圖像有明顯的幾何畸變。Abstract : refering to different rules on temperature gradient in five specifications, the paper calculates transverse stresses of temperature c hange for concrete box girders of three bridge types, as well as makes an analysi s of temperature sensitivity. the results indicate that temperature effect is one of important reasons causing the bridge deck crack
文摘:參照4個國家5種規范關于溫度梯度的不同規定,對3種不同橋型的砼箱梁的溫變橫向應力作了計算和比較,並對溫度敏感性作了分析,結論表明溫度效應是橋面開裂的重要原因之一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。The result indicated that straw mulching could increase soil porosity by 2. 88 % - 5. 76 %, reduce soil bulk density by 1. 86 % - 3. 73 % and the content of soil water with straw mulching was higher than that with no straw mulching treatment ( ck1 ) at different growth stage, improve water - stable aggregate ; and increase soil organic matter, available n, available p, available k, improve soil perviousness and soil retention of water and fertilizer
研究結果表明,與對照ck1 ,相比,秸稈覆蓋可使土壤總孔隙度增加2 . 88 % ~ 5 . 76 % ,土壤容重降低1 . 86 % ~ 3 . 73 % ,並且各生育期覆蓋處理的土城含水量均比對照高,並且秸稈覆蓋還田對促進土壤團粒結構形成具有較大作用,改善了土坡通透性和保水保肥性;同時秸稈覆蓋還田使土壤有機質、全氮、速效氮、速效磷、速效鉀得到明顯提高,從而培肥地力。On the basic of a great of literature reading and research on safety of side impact of the car, according to requirement of ece r95, applied madymo6. 2. 1 software, established simulation model of side impact of the car, researched the relationship between side rigidity of the car and passenger injury in side impact, which showed that during first impact the bigger side rigidity was, the more advantaged protection for the car and passenger in a definite range, and which drew a conclusion that the most serious part of passenger injury was pelvis during first impact. then detailed the substructure model by defining bodies, joints, contact types and contact characteristic, researched some improvement approach for side safety of the car, and then analyses a particular case, that was to say to fix vehicle door bar fender on between inner and outer plate of the vehicle door, analyzed the influence of passenger injury when the bar fender was fixed on different position, the result showed that the passenger injury was less when the bar fender was fixed on the height of vehicle door decorate bar. finally, a set of tests were performed, contrasting the simulation result with the test, analyzed the influence of the side rigidity of the car to passenger injury, which showed the test
本文在對汽車的側面碰撞安全性進行大量文獻閱讀和研究的基礎上,按照歐洲ecer95側面碰撞乘員保護法規的要求,應用多剛體動力學軟體madymo6 . 2 . 1 ,建立了汽車的側面碰撞模擬模型,研究了汽車的側面剛性對乘員損傷的影響,結果表明在「一次碰撞」中,在一定范圍內汽車側面剛性越大,越有利於汽車和乘員的保護,同時得出結論,即在「一次碰撞」過程中人體損傷最嚴重的部位是骨盆;然後通過定義各剛體、鉸鏈、接觸類型以及接觸特性,對該模型進行子結構細化工作,研究了加強汽車側面安全性的若干改進措施,並進行了一個特例分析,即在此模型的車門內外板之間安裝了車門防撞桿,分析了當車門防撞桿安裝在不同位置時對乘員損傷的影響,結果表明防撞桿位於車門裝飾條的高度時,對乘員的損傷較小;最後進行了一組側面碰撞試驗,通過試驗和模擬結果的對比,分析汽車的側面剛性對乘員損傷的影響,表明試驗和模擬結果是一致的,從而證明了模擬模型的有效性以及模擬結果的正確性。5. the luminescence enhancement of eu3 + was also observed after ultraviolet irradiation but was weaker than the zns : mn2 + and the branch ratio of 5d0 - 7f0 increased after irradiation. it indicates probably the contribution from the centers in the surface of nanoparticles increased
在紫外光的輻照下首次觀察到eu3 +離子發光的熒光增強現象,輻照后5d0 < wp = 5 > 7f0發射強度分支比增加,表明對稱性較低的發光中心對發光的貢獻增加,可能是處于顆粒表面的eu3 +離子對發光的貢獻增加。The compare of the calculate outcome shows the huge economical effect of this method. the compare of the analysis outcome and actual fire experiment also proves the calculative precision of the method of structure analysis commended by this paper
計算結果的對比顯示了本文提出的結構分析法的巨大的經濟性,其力學分析結果與實際火災實驗資料的對照分析同樣證明本文提出的結構分析法的計算精度。The study on it is not deep enough, the creative difficulty on it is great and etc. 6. the practical testing shows : there are obvious differences in the interest in wushu between the two group - one is carrying out the " course standard of physical culture and health ", the other follows the traditional teaching material and method ( p < 0. 001 ) the purpose of this study is to improve the teaching level of wushu, our nation ' s traditional physical culture, to reinforce its popularity and education, to propagate our nation ' s traditional culture and to enhance the sense of national pride
教法方面,體育課武術教法研究存在教法的系統性不足、教法研究的深度不夠、教法的創新難度大等問題; 6 、實證研究表明:貫徹新《體育與健康課程標準》的實驗組對武術的興趣和課后練習的次數與沿襲傳統教材、教法對照組相比更高,且具有顯著差異( p 0 . 001 ) ;本研究旨在提高民族傳統體育武術項目的教學水平,加強中小學武術課的普及教育,以弘揚祖國傳統文化,增強民族自豪感。Because the bubbles and water are both colorless and transparent in aerated water flows, the contrast of the captured images is low, and uneven illumination exists. two bubbles extraction methods are proposed to eliminate the un - balance of illumination and higher accuracy bubble extraction is obtained
由於摻氣水流中的氣泡的和水都是無色透明的,這使得拍攝到的氣泡圖像存在對比度低,並且存在光照不均的影響,為了解決光照對分割結果的影響,達到高精度提取氣泡的目的,本文提出了兩種圖像分割方法。The level of 5 - metylcytosine in dna of germinating seeds and seedlings deceased 28. 46 % and 16. 66 % respectively, compared to control after cold treatment. in seeds treated with 5 - azac in various concentration the level of 5 - metylcytosine in dna decreased about 45 % but there is no difference among the treatments
萌動種子和幼苗低溫處理后甲基化水平分別比對照降低了28 . 46和16 . 66 ;種子5 - azac處理后,各種處理濃度的甲基化水平均較對照明顯下降,但處理間差別不明顯,下降了45左右。The genomics dna of the transformants was extracted and assayed by pcr with nptii primer camv35 / cp primer and the results indicated that the chloroplast shsp gene has been integrated into the genomics of the tomato. then the transgenic tomato were exposed to low temperature ( in winter, on natural condition, the top temperature was 15 ? and the lowest temperature was 5 and a set of physiology parameters were measured after 6 weeks. the results were shown as follows : 1 ) effect on growth height of the transgenic tomato and the control plants after 6 weeks at low temperature showed that the transformants had been grown faster than the control. in addition, the leaves of the control plants appeared to be much reder than the transgenic tomato, and the change were obvious followed by far from the treated time at low temperature, which suggested that the constituently expression of the chloroplast shsp had some protective fountions to the tomato at low temperature
提取轉基因番茄基因組dna ,分別以npt和35s cp引物對其進行pcr分析,結果表明葉綠體shsp基因已整合進番茄基因組中;對轉基因番茄進行低溫處理(冬季,自然條件下(無加熱的溫室) ,白天最高溫度15 ,夜間最低溫度5 ) ,生長6周后,檢測轉基因番茄的系列生理指標,主要結果如下: 1 )生長勢:測量轉基因番茄與對照(未轉基因番茄)的株高,結果顯示轉基因植株生長明顯快于對照,且從外觀上看到對照葉片發紅程度遠大於轉基因植株,隨著低溫時間延長,對比更加明顯,說明葉綠體shsp的組成性表達在低溫下對番茄具有一定的保護作用。In this paper, firstly, the main methods of irnaging underwater and underwatr optical imaging development history are being introduced. coilsboction, principle and working circumstance of swg - l are noted. the optical properties of sea water are described, the effect to underwater imaging is analyzed. there are two parameters in evalvating tmderwater driaging quality : underwater contrast and optical tranfe fimction. underwater light source shoud be pay more attention. estimate and measurement of underwater light value are given at the sea depth where the system working
然後對水的光學特性及其對水下成像的影響進行了理論分析,介紹了水下圖象質量評價的兩個參數即水中對比度和光學傳遞函數;對預期拍攝深度的海中照度進行了理論估算與實際測量;討論了水下目標輔助照明時應注意的問題。Abstract : it is a difficult problem to arrange a lot of deformed bars in a narrow section. in foreign codes, it is solved with abreast - arranging deformed bars, but there not be definite answer about influence that the abreast - arranging deformed barsto bearing capacity. in our country, the research about abreast - arranged deformed bars began from the first 1980s. some achievements have been gained from studies about anchor performance. but study about beams bearing capacity and rigidity is not enough. the experiments of 10 beams using abreast - arranged deformed bars and 3 contrast ones are done. the influence that the abreast - arranging deformed bars to bearing capacity of beams is analyzed. three points of division loading have been adopted. the results prove that the bearing capacity of beams decrease by using abreast - arranged deformed bars at a degree from 10 % to 15 %. through statistical analysis, format on bearing capacity of abreast - arranged beams is recommended and reliability of format is analyzed
文摘:在較小截面內單根排列鋼筋比較困難,國外規范大都採用並筋解決,但對並筋后對承載力的影響未作明確規定,我國並筋梁的承載力和剛度研究較少.通過對10根並筋梁和3根對照梁的受彎承載力的試驗,分析並筋對梁的受彎承載力的影響,試驗採用三分點加載,結果表明,與對照梁相比,並筋梁的受彎承載力有所降低,降幅在10 % 15 %之間,通過統計分析,給出了並筋梁受彎承載力的建議公式,並對建議公式進行了可靠度分析It is a difficult problem to arrange a lot of deformed bars in a narrow section. in foreign codes, it is solved with abreast - arranging deformed bars, but there not be definite answer about influence that the abreast - arranging deformed barsto bearing capacity. in our country, the research about abreast - arranged deformed bars began from the first 1980s. some achievements have been gained from studies about anchor performance. but study about beams bearing capacity and rigidity is not enough. the experiments of 10 beams using abreast - arranged deformed bars and 3 contrast ones are done. the influence that the abreast - arranging deformed bars to bearing capacity of beams is analyzed. three points of division loading have been adopted. the results prove that the bearing capacity of beams decrease by using abreast - arranged deformed bars at a degree from 10 % to 15 %. through statistical analysis, format on bearing capacity of abreast - arranged beams is recommended and reliability of format is analyzed
在較小截面內單根排列鋼筋比較困難,國外規范大都採用並筋解決,但對並筋后對承載力的影響未作明確規定,我國並筋梁的承載力和剛度研究較少.通過對10根並筋梁和3根對照梁的受彎承載力的試驗,分析並筋對梁的受彎承載力的影響,試驗採用三分點加載,結果表明,與對照梁相比,並筋梁的受彎承載力有所降低,降幅在10 % 15 %之間,通過統計分析,給出了並筋梁受彎承載力的建議公式,並對建議公式進行了可靠度分析Experiments show that the method will give observer a clearer global image with enough local contrast details in processing a low illumination image
實驗表明該方法在對低照度圖像處理時可以達到局部細節對比度增強和全局清晰的效果。Subjects visual function was measured by multiple tests, including visual acuity, contrast sensitivity, and visual field at up to three levels of illumination at baseline and every 6 weeks in the lab
受試者的視功能綜合測試,包括視覺靈敏度、對比靈敏度、視野,在三級照明環境和每6周在實驗室測試。In order to gain a high accuracy, all types of error sources in digital image processing system and their influences are discussed in detail. further more, a special auxiliary light, software means and the correction of the system errors are used to improve the accuracy of digital image processing system
此外,還詳細分析了數字圖像測量系統誤差產生的根源,並且從輔助照明、軟體演算法和系統誤差修正等多方面入手進一步提高數字圖像測量系統的測試精度,經過比較論證,提出了一套針對三軸試驗變形測量的合理高效的定標和誤差修正方案。分享友人