concentration of vessel 中文意思是什麼

concentration of vessel 解釋
船舶密度
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • of : OF ＝Old French 古法語。
  • vessel : n. 1. 容器，器皿〈桶、缽、碗等〉。2. 船，艦；飛船。3. 〈喻、謔〉人。4. 【解剖學；動物學】管，脈管，血管；【植物；植物學】導管。
  1. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 （含2既的小牛血清，常規量雙抗）為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式（例如，從0一一6 ，凍存速度為一0 . 05 / min ，再以一0 . 5 / min的速度從一6一一40 ） ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養，解凍后成活率為30 %以上細胞培養數天後均有少數細胞貼壁，但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。
  2. 5 layer number of cortical cells in stem was n ' t changed evidently, however the ratio between cortical thickness and stem increased as well as the ratio between vascular cylinder and stem, up the gradient of nacl concentration. 6 stem dm of suaeda salsa remarkably decreased with increasing nacl concentration, so did the vessel dm of xylem in the stem

    （ 5 ）隨鹽濃度的增加，莖皮層細胞層數未發生明顯的變化，但皮層厚度所佔莖的比重增加，維管組織占莖的比重同皮層厚度與莖半徑的比值表現出相同的趨勢。
  3. 2. mouse lung vessel endothelial cell was used for examining ha, hb and hpd ' s ic50 concentration under saturated light dose and ic50 light dose in saturated concentration irradiated by copper vapor laser of 510. 6nm and 578. 2nm separately

    應用體外培養的小鼠肺血管內皮細胞系（ 1h11 ）測定在飽和光劑量的條件下，實驗光敏劑對血管內皮細胞的殺傷作用，得出其半數殺傷濃度。
  4. Our results provided direct evidence that pf40 gene play a role in the tissue development, with knockout this gene the lateral buds were not visible. the plant hormones auxin and cytokinin appear to play a major role in controlling this process, therefore, the concertrition of auxin and cytokinin was measured, however, the concentration of the two hormone was variation a little in transgenic plants, but the ratio of the two was more than 5 fold in the pf40 gained function plant than that in wild type. furthermore the pf40 gene effected differentiation of the vascular bundles in different transgenic plants, results showed the pf40 could change both xylary fibers and vessel

    進一步的實驗發現pf40基因會影響植物側芽發育的早期，即pf40基因作用在側芽形成與發育的早期。對轉基因穀子的組織切片的分析還表明pf40基因引起不同形式的轉基因穀子的維管組織的發育的差異，轉化正義載體穀子的木質部變多，維管系統增多，而反義或干擾的轉基因穀子的木質部數量變少，木質部分化異常。從轉基因的結果可見pf40基因可以減弱植物的頂端優勢，這種作用是通過改變植物體內激素的含量實現的。
  5. 7 within the range of 0 - 200mm nacl concentration, the ratio between cortical thickness and root got lower ; the growth of stele was stimulated ; vessel dm decreased evidently. in stele, conducting tissue was reduced while the growth of pith was stimulated

    隨鹽濃度升高，在0億00inmnaci范圍內根皮層半徑的比重降低，維管束在根中的比重逐漸增加，但輸導組織的比重呈下降趨勢，具貯存功能的髓的發育得到促進，導管口徑變小。
  6. The results show that the heaviest stress concentration is found at the interval nozzle - vessel junction of the longitudinal symmetry plane, while the stress concentration around the external junction is decrease because of the welded joint

    計算結果表明，縱向對稱面筒體與接管的內相貫處是應力集中最嚴重的部位，外相貫處由於有焊接接頭而使應力集中大大緩解。
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