optical density 中文意思是什麼
optical density
解釋
不透明度-
We have made benefic trials on the research of optical limiting materials with abroad protective wavelength, high optical density and high transmission
對于多波段，高光密度，高透過率的光限幅材料的研製，本論文做出了有益的嘗試。 -
Test charts for micrography ; din - test chart b for optical density and for determination of scale of reproduction
縮微照相用檢驗樣品.第4部分:檢驗光密度和測定復制比 -
Under the applied voltage of 2v, the duration of colored process and bleaching process of the semisolid - state smart window was 2s and 1. 5s respectively, which denoted rapid response velocities. researches on the glass / ito / wo3 / linbo3 / niox / au all solid - state smart window were referred to the effect of each film ' s thickness on the device ' s electrochromic properties. through the test of the visible light transmittance of the colored state and bleaching state of the device, it proved good electrochromic capabilities with the dynamic optical density changed between 0. 2 - 0. 5
並在此基礎上繼續研究了glass ito wo _ 3 linbo _ 3 nio _ x au結構的全固態智能窗器件模型，對于各薄膜層厚度對于器件電致變色性能的影響做了初步的研究，測試了器件可見光范圍內的著色褪色透射光譜，光密度變化量在0 . 2 0 . 5范圍內，表明器件具有良好的電致變色性能。 -
This increased optical density caused by a disassociation or melting of the dna is called hyperchromicity.
這種由於DNA離解或融解引起的光密度增加，稱之為增色效應。 -
This increased optical density caused by a disassociation or melting of the dna is called hyperchromicity
這種由於dna離解或融解引起的光密度增加，稱之為增色效應。 -
Micrographics - test target of optical density measurement for microfilming negative
縮微攝影技術縮微攝影時檢驗負像光學密度用測試標板 -
In this thesis, a strain of associative nitrogen fixing bacteria with high nitrogenase activity was selected and the further studies for it were conducted, the results obtained are as follows : selection and identification of associative nitrogen fixing bacteria with high nitrogenase activity. the nitrogenase activities detected by means of the acetylene reduction method and growth rates tested by optical density of germ suspension under the x 400nm ( od4oo ) of all the strains tested except for the strain w12 reduced gradually due to frequent subculture during a year. however, the strain w12 has been showing high and stable nitrogenase activity and growth rate since it was isolated five years ago
固氮菌株的篩選與鑒定：測定從不同來源分離、收集和保藏的12個固氮菌株或分離物在不同保存時期的固氮酶活性和生長能力，發現多數菌株在初分離得到時固氮酶活性較高，但隨著轉接次數的增多卻逐漸喪失固氮酶活性，生長也隨之減弱，只有w12在五年前從埃及分離得到至今一直保持旺盛生長勢和較高的固氮酶活性， 48h內乙烯生成量可達1800nmol乙烯ml菌液以上，遠遠高於其它菌株，其生長量（ od _ （ 400 ）值）也遠遠高於其它菌株。 -
To find the parameters of preparation and annealing process associated with the best electrochromic properties of these films, following researches and experiments were carried out : to compare the visible light transmittance of the colored state with bleaching state of the electrochromic films which were annealed at different temperatures and for different duration, to count the dynamic optical density change, and to test the i - v relations of these films " electrochromic cycles and their colored / bleaching response time
對經過不同熱處理溫度和不同熱處理持續時間得到的薄膜樣品的著色褪色可見光范圍內透射光譜的比較，計算薄膜動態光密度變化量的大小，測試薄膜著色褪色循環伏-安關系以及薄膜著色褪色響應時間的快慢，尋求到薄膜呈現最佳電致變色性能時所對應的制備參數與熱處理參數。 -
107 + 2. 819x ( serotype l ), log [ et reciprocal ] = 1. 019 + 2. 935x ( serotype 2 ), ( 3 ) log [ et reciprocal ] = 0. 99 + 2. 709x ( serotype 4 ) and log [ et reciprocal ] = 1. 052 + 2. 953x ( serotype 5 ). the derived regression lines ( equations ) were used to transfer the optical density value ( od ) obtained from a single 1 : 100 dilution of any unknown serum sample of duck into elisa titer. the indirect elisa technique were used to monitor the variety of the mean antibodies titers of vaccinated ducks with the oil - emusified formalin - inactived r. a
間接elisa方法的靈敏度是微量凝集試驗的50 - 100倍（血清1型鴨疫里默氏桿菌） ， 25 - 100倍（血清2型鴨疫里默氏桿菌） ， 12 - 100倍（血清4型鴨疫里默氏桿菌） ， 25 - 200倍（血清5型鴨疫里默氏桿菌） 。 -
Plastics - smoke generation - guidance on optical - density testing
塑料.起煙.光密度測定指南 -
Photographic sensitometry, determination of optical density ; geometric conditions for transmission density
照相膠片感光度測定.光密度測定.透射密度的幾何條件 -
To investigate the relationship between optical density ( od ) and the biomass of phaeocystis globosa. p. globosa was used under laboratory conditions to study the relationship between the cell density and its related od
在實驗室中測定棕囊藻細胞密度及光密度（ od值）並進行直線回歸分析，同時採用光密度值來估算棕囊藻的生物量。 -
Fig. 6 quantitative analysis of the change in the optical density along a straight line within the dense - core of the ldcv in the nerve terminal of rat spinal cord
圖7定量分析猴脊髓后角內神經終末中大緻密芯泡泡芯內沿直線的光密度變化。 -
Fig. 7 quantitative analysis of the change in the optical density along a straight line within the dense - core of the ldcv in the nerve terminal of monkey spinal cord
圖7定量分析猴脊髓后角內神經終末中大緻密芯泡泡芯內沿直線的光密度變化。 -
An optical density method for determination of microalgal biomass
光密度法測定微藻生物量 -
The fragments digested with restriction endonucleases ecor i and hind iii were subsequently cloned into the vector pkk223. 3. e. coli jm 109 transformed with the expression plasmid was grown in m9 media to an optical density of 0. 7
把重組質粒轉化入大腸桿菌jm109中，挑取轉化成功的單克隆菌，接種到含amp的lb培養基中，於37振搖過夜。 -
Verification regulation of working standard equipment for optical density
光楔密度工作基準裝置檢定規程 -
Based on the processed images, we can do the further computerized quantitative measure of parameters including area, perimeter, integrated optical density, average diameter, shape factor, number of bifurcation and end points, etc. our self - developed and localized system has a reliable property and a high ratio of performance and cost proved by our experiment
對感興趣區域內的目標自動測量參數，如：面積、周長、綜合光密度、平均直徑、形狀因子、三叉點、端點等。與其它類似系統相比，本系統具有性能穩定，開發成本低，技術性能價格比高的優點，成為國內醫務人員易於掌握與使用的醫學應用系統。 -
Od optical density difference
吸光度差 -
Study and application of optical density curve model for recordable disc
可寫光盤光密度曲線模型的研究及應用
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