Numerous experiments have indicated that anthocyanin biosynthesis in higher plants is regulated by light and blue light is one of the most effective factors to stimulate anthocyanin accumulation in seedlings 高等植物花色素苷积累和chs基因表达受光调控,蓝光是最有效光谱之一。
Through over - all stability analysis , the influence of height - span ratio , rafter slope to the stability and the effective factors of gable portal frames are also presented in this paper 通过对门式刚架的整体稳定分析,研究了刚架的高跨比、斜梁坡度对结构的稳定和计算长度系数的影响。
The investigation of the effective factors on strength of fluidized - bed spray granules is very meaningful because the granule ' s strength is an important factor of evaluating product quality 摘要颗粒强度作为流化床喷雾造粒产品的重要评价指标,对其影响因素的实验研究具有重要的现实意义。
( 4 ) by this programme the deflection upwards of several bridges on the wuhan outer circumferential highway are calculated , through which to find out the main effective factor ( 4 )利用电算程序对武汉外环高速公路上的多座预应力混凝土t梁进行计算,从中找出影响预应力混凝土桥梁起拱度的主要因素。
The intra - and inter - phase diffusion effects were analyzed . it was pointed out that the rate determining step will change with the temperature . the effective factor was calculated to evaluate the level of the inner diffusion 对反应中的内、外扩散行为作了分析,指出了速控步骤随温度的改变,并计算了衡量内扩散程度的有效因子。