Shade plant a plant that can tolerate and thrive in low light intensity . some shade plants are sensitive to very bright light and cannot live in open habitats 荫生植物:可以耐受或偏好低光密度环境的植物。有些荫生植物对极强光很敏感,以致不能在户外生长。
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采用mtt比色法测定细胞的光密度值( 0d值) ,每24h测定1次,从细胞接种到神经球形成连续测定sd ,绘制细胞增殖活性曲线。
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 在实验室中测定棕囊藻细胞密度及光密度( od值)并进行直线回归分析,同时采用光密度值来估算棕囊藻的生物量。
Dssc uses a wider range of the light spectrum than conventional solar cells , giving it the ability to generate power from all visible light sources , not just sunlight , even at relatively low levels of light intensity 染料敏化太阳能电池比传统太阳能电池利用更宽的波长,使它能够将所有可见光转化为电能,这并不局限于太阳光,甚至也可以在相对较低的光密度的条件下工作。
The expression product was induced with iptg . sds - page analysis showed an induced expression product band about 28ku , which correspond to the sizes of gst - gnrh / trs , reported in the literature . the amount of the goal protein was evaluated by densitometric scanning Iptg诱导后成功表达出与预期大小相符的约28ku的融合蛋白,光密度扫描对表达产物进行初步定量,表达产物约占菌体总蛋白的33 . 3 。
( 4 ) after reduced noise by the hardware circuit , ccd signal enter dsp where the signal is converted from analog to digital . then its noise is reduced again by median filtering . and then the location of test line is identified by wavelet of haar ( 4 ) ccd信号经硬件电路降噪处理后,进入dsp进行a / d转换、中值滤波二次降噪、 haar小波变换提取测试线位置等处理后,最终得到测试信号的o . d . (光密度)值。
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 对感兴趣区域内的目标自动测量参数,如:面积、周长、综合光密度、平均直径、形状因子、三叉点、端点等。与其它类似系统相比,本系统具有性能稳定,开发成本低,技术性能价格比高的优点,成为国内医务人员易于掌握与使用的医学应用系统。
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 并在此基础上继续研究了glass ito wo _ 3 linbo _ 3 nio _ x au结构的全固态智能窗器件模型,对于各薄膜层厚度对于器件电致变色性能的影响做了初步的研究,测试了器件可见光范围内的着色褪色透射光谱,光密度变化量在0 . 2 0 . 5范围内,表明器件具有良好的电致变色性能。
The effects of glp - 1 ( 7 - 36 ) nh2 on insulin secretion glp - 1 ( 7 - 36 ) nh2 with the concentration of 2 . 5nmol / l , 5 . . 0nmol / l , l0 . 0nmol / l , 20 . 0nmol / l , 40 . 0nmol / l respectively were added to the medium as different experimental groups , 24 hours later , insulin amount are 68 . 76 ? 1 . 71 72 . 30 ? 3 . 13 104 . 16 ? 5 . 57 110 . 98 ? . 29 111 . 58 ? 0 . 65miu / l respectively , and the insulin account is 55 . 53 ? . 63miu / lin the control group . there was no significant difference between the groups with 2 . 5nmol / land 5 . 0nmol / l glp - 1 ( 7 - 36 ) nh2 respectively ; and there was not significant difference among the groups with lo . onmol / l , 20 . 0nmol / l and 40 . 0nmol / l glp - 1 ( 7 - 36 ) nh2 respectively . but the difference is significant between experimental groups and control group ( p < 0 . 05 ) . the data show that with the rising concentration of glp - 1 ( 7 - 36 ) nh2 , there is an increasing amount of insulin 对照组培养液中不含g廿一1 ( 7一36 ) nhz ,实验组培养液中含有20nmol / lglp一1 ( 7一36 ) nhz ,培养24h后,用0 . 25 %胰蛋白酶消化胰岛分散细胞,涂片后利用针对胰岛素mrna的寡核甘酸探针进行细胞原位杂交, dab显色,高清晰度病理图文分析系统( highpathologiealimageanalysissystem , hp认s )对细胞着色的平均光密度( mean即tiealdensity , mod )量化分析,观察实验组和对照组胰岛素mrna的表达情况。
6 hours later , the amount of the expression yield of cp accounting for the total protein of the cells was 28 . 9 % ( about 2mg / ml cp ) . after sds - page , the recovery of cp added the same volume of incomp lete freund adjuvant emulsified completely , injected rabbits by subcutaneous injection . every rabbit was injected 2ml emulsified antigen ( 300ug cp ) once a week 重组表达载体导入宿主菌e . colibl21 ( de3 ) ,用终浓度为1mmol / liptg诱导, 37培养6小时后, cp基因的表达量达到最高,每毫升菌液含目的蛋白的量约为2mg ; uvi光密度扫描分析表明cp基因的表达量占细菌总蛋白的28 . 9 。