od value 中文意思是什麼

od value 解釋
value]光密度值
  • od : n. 假想的自然力〈德國化學家 Reichenbach 等為說明磁力、化學作用等而假定自然界存在的一種力〉。
  • value : n 1 價值；重要性；益處。2 估價，評價。3 價格，所值；交換力。4 （郵票的）面值。5 等值；值得花的代...
  1. 2 mtt assay was used to examine od value of terasaki wells. od value was measured once a day for 8 days and mapped growing curve of cells to determine the activation of proliferation in primary cells

    2採用mtt比色法測定細胞的光密度值（ 0d值） ，每24h測定1次，從細胞接種到神經球形成連續測定sd ，繪制細胞增殖活性曲線。
  2. 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） 。
  3. Studies on transformation of indica rice with bt - toxin gene mediated by agrobacterium tumefaciens precultured immature embryo and callus derived from young panicle, immature embryo and mature embryo were used as acceptor for genetic transformation mediated by agrobacterium tumefaciens, the transformation rate of the above acceptor was investigated respectively. the results showed that immature embryo after precultured for 4 ~ 6d was the best. in respect to the concentration of agrobacterium tumefaciens when calli were cotransformated in medium yeb, to agrobacterium tumefaciens eha 105, od value of 0. 8 was the best

    採用農桿菌介導法將bt毒蛋白基因導入水稻同樣以上述兩種秈稻為主要研究材料，比較了分別以預培養的幼胚和幼穗、幼胚、成熟胚來源的愈傷組織作為轉化受體的愈傷組織轉化頻率，結果表明預培養4 6天的幼胚最適宜作為農桿菌介導轉化的受體；其次是來源於幼胚和成熟胚的生長狀態良好的胚性愈傷組織。
  4. Optimal route choice algorithm is one of the key ingredients of dynamic traffic distribution theory. its major goals is to find the optimal route to destination from road net as soon as possible with lowest computing error, according to the road structure, road weight and od value

    它是根據交通控制系統提供的路網結構、路段權值和出行的od對值，在路網中找出從出發點到目的地的最優路徑，其要求是能夠盡可能快速和準確地實現誘導路徑的計算功能，滿足動態交通流誘導的全局尋優和實時性等方面的要求。
  5. The screening of supernatants was carried out with using indirect elisa. after subcloning by limiting dilution and selection. five clones of cells with high od value were acquired and named mvi

    過陽性雜交瘤細胞的篩選和有限稀釋法的克隆化步驟，獲得了5株od值高的單克隆細胞株，編號為mv1 ， mv2 ， mv3 ， mv4 ， mv5 。
  6. Od value of terasaki wells declined slightly on the third day. od value of terasaki wells increase

    4神經幹細胞可表達gm一csfmrna ，與神經幹細胞的分化調節有關。
  7. The experimental group were muscularyly injected with il - 2 at intervals. the results were as follows : ( 1 ) the results of cellular imnune assay ( mtt ) the sixth week after the vaccination, peripheral blood lymphocytes isolated were tested by iftt. the result showed that the nonspecific od value and the specific ( x ) value of guinea pigs of il - 2 group was significantly higher than those of bcg and sham injection group

    結果發現： （ 1 ）免疫第二周后， bcg + il - 2組特異性和非特異性淋巴細胞轉化實驗所測ltt - od值與bcg組和空白組無明顯差異（ p 0 . 05 ） ，第四周時檢測數值開始出現升高，第六周時ltt檢測結果顯示il - 2 + bcg組的特異性和非特異性的ltt - od值極顯著高於bcg組和空白對照組（ p 0 . 01 ） 。
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