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黑暗条件的英文

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"黑暗条件"怎么读用"黑暗条件"造句

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  • dark condition

例句与用法

  • The production of alkaloids at 27th day in the dark was much higher than that in the light
    最终,黑暗条件下生物碱的产量比光照时的高。
  • Etioplast a modified chloroplast formed from proplastids in leaves grown in total darkness
    白色体:叶在生长过程中完全置于黑暗条件下,由前质体形成的变化了的叶绿体。
  • The results show that these three genes represent circadian rhythms in different regimes in scn , while they only show markedly circadian rhythms in constant dark in lymphocytes
    结果发现, scn中三个基因的表达在不同光制下都存在昼夜节律,外周只有全黑暗条件下有明确的昼夜节律。
  • By the analysis of mutant growth we can conclude that the photoreceptors of phya , phyb and cryl are responsible for the cotyledon enlargement under fr , rl and bl , respectively
    Kt促进离体和连体子叶的扩大,黑暗条件下促进作用弱。在白光、红光、蓝光下kt对子叶的扩大效应明显。
  • Light , as the unnecessary factor for tobacco cell suspension culture , have some effects on the stress induced - aba accumulation . under dark condition , stress induced - aba accumulation decreases by 50 percent
    光对细胞响应渗透胁迫信号有一定的影响,黑暗条件下渗透胁迫诱导aba积累水平只有对照的50左右。
  • 3 in the light and dark , the contents of soluble protein , the activities of peroxidase ( pod ) , superoxide dismutase ( sod ) and esterase ( est ) were studied , and they all showed their changes respectively . 4 the alkaloids were accumulated primarily in the stationary phase
    4 、培养细胞中次生代谢物质的积累:光照和黑暗条件下生物碱的含量变化不尽相同,但第12d均出现一个峰值,并且从第18d起生物碱的含量呈上升趋势。
  • 1 . characteristic properties of the plasma membrane h + - atpase 3 - d - old seedlings of etiolated mung bean ( vigna radiata l ) were harvested and the hypocotyls ( 1 - 2 cm in length ) under hook were used to prepare the plasma membrane vesicles by means of aqueous two - phase partition
    绿豆下胚轴质膜h ~ + - atpase基本特性的研究黑暗条件下生长三天龄的绿豆黄化幼苗,取弯钩下1 - 2cm长的下胚轴,机械法破碎组织,两相分配法分离、提取和纯化质膜。
  • The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae , soil ph value , soil organic matter soil available phosphorus and soil nitrogen . and then , the author put fertile soil , which included micro - algae , proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ) . the above indices were measured in 0 , 30 , 60 and 90days respectively , the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value , soil organic matter , soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae . under dark condition , the micro - algae ' s number declined gradually and went to zero in the end , while under illumination condition , on the 90th day , the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning
    本文首先对肥沃土壤与经高温焚烧后的贫瘠土壤中的微藻数量、土壤ph值、有机质含量、有效磷含量和全氮量进行比较研究,然后将包含微藻的绿化苗圃地肥土按不同比例接种进入贫瘠土样中,分别在光照条件和黑暗条件下进行培养,在0天、 30天、 60天和90天分别检测以上指标,比较有光条件和无光条件下,即有藻条件和无藻条件下贫瘠土样所发生的变化,并分别对微藻数量的变化与土壤ph值、有机质含量、有效磷含量和全氮量的变化之间做相关性分析,以评估肥沃土壤中的微藻接种进入贫瘠土壤后的生长情况以及对贫瘠土壤的改良作用。研究结果表明: ( 1 )土壤微藻对环境有较强的适应能力,且光照对其分布起了决定性的作用。
  • The transformed hairy roots were detected for agropine to make sure the transformation was successful . a conclusion was reached as follows : agrobacterium rhizogenes r1601 was an ideal strain for hairy roots transformation from trichosanthes bracteata voigt which exhibited extraordinary transformation rate ( 60 % ) . od600 = 0 . 7 was the optimum infection concentration for the tested transforming agent , with temperature at 25 , ph at 6 . 0 , 20min of infection and 48h of co - culture and phytohormone at 1 . 0mg / l being the most favourable hairy root - inducting pattern
    通过实验和对结果的数据分析,得出下面的结论:发根农杆菌r1601是较好的大苞栝楼发根的诱导菌株,它对预培养24h的大苞栝楼子叶外植体具有最好的转化效率和发根诱导率( 60 ) ,最适的菌株感染浓度od _ ( 600 )为0 . 7 ,温度27 、 ph值为6 . 0 、 20min的感染时间和48h的共培养,以及黑暗条件和1 . 0mg / l的激素最有利于发根诱导的环境条件。
  • ( 2 ) through consuming co2 and secreting alkaline matters from their cellls to soil , micro - algae can improve soil ph value , and transform the weak acid soil into weak base soil . ( 3 ) through photosysthesis transforming co2 into organic matters , micro - algae can increase the content of soil organic matter
    肥沃土壤中的微藻接种进入贫瘠土壤后,在黑暗条件下逐渐死亡,有光条件下的微藻经过一段时间的适应后,到第90天时,每克土中的微藻数量增长到接种量的7 - 8倍。
  • 更多例句:  1  2
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