The main factors of effecting phenylglycine yield are studied by orthogonal experiment. The results of visual and variance analysis show that the amount of sodium hydroxide and chloroform are main influence factors. 采用正交实验方法分析研究了影响苯甘氨酸收率的主要因素,经直观分析和方差分析发现氢氧化钠用量和氯仿用量是影响反应的主要因素。
The variance of SCA of yield of single plant and ASI was larger than the variance of GCA. 单株产量和ASI的SCA方差大于GCA方差。
The analyses of combining ability variances indicated that GCA variances were predominant in controlling the inheritance of parthenocarpic yield. Additive effect is major in the genetic effects. Additive variance is 96. 78% of total variance. 配合力方差分析表明:黄瓜单性结实产量是一般配合力起主要作用,遗传以加性效应为主,其加性方差占总方差的96.78%;
The results showed that there were significant variances among sesame cultivars in available capsule number, seed yield and P accumulation, and the variance of P1 treatment was higher than that of P2 treatment. 结果表明:芝麻有效蒴果数、籽粒产量及磷积累量,供试品种间差异很大,其中,P1处理上述指标的变异高于P2处理。
The results show that the speed of growth is slow, there are small and stable absolute yield in all tree and larger variance of growth curve among the species and individuals. 它们具有生长缓慢、绝对生长量小但生长量稳定、波动较小以及种间、个体间生长过程变异较大的特点。
Transgenic lines with stable characters were obtained after introducing AGP gene into Japonica rice Hexi 42.The comparative experiment of different lines from transgenic Hexi 42 showed that B-4& one of the lines had the higher yield than control and remarkable variance. 粳稻品种合系42号经AGP基因导入后,得到性状稳定的转基因株系,经品比试验,有1个株系的产量高于对照且有显著差异。
The model of crop yields prediction with periodic component was built by using the method of stepwise regression and the model of crop yield prediction was built by using the method of variance analysis in time serise. 本文由作物产量序列提取出显著周期分量,建立带有周期分量的逐步回归预报模型;运用时间序列的方差分析方法,建立作物产量的预报模型。
There were no significant differences in hybrids with different combining types for per plant yield and the type with the best performance, the greatest genetic variance and genetic variant coefficients between crosses seemed to showa tendency of single> three-way> double crosses hybrids. 不同组配方式杂交种的平均羊株产量无显著差异,其它性状表现的相对优越性有所变化,组合间总方差、遗传方差、遗传变异系数一般表现为单交>三交>双交种;
In this paper the midium and short periodic fluctuations of meteorological components related to crop yield in China are discussed by means of spectrum analysis, periodogram and variance analysis. 本文应用功率谱、周期图和方差分析等方法探讨了全国及部分代表省(区)粮食单产中气象分量的中短周期波动。
In order to enhance the analysis precision of yield experiment, the analysis method based on spatial effect model was discussed, and the performance of this method was studied through practical data analysis and stochastic simulation in comparison with the traditional variance analysis. 为了提高田间试验分析的准确性,讨论了利用空间效应模型分析田间试验的方法,并通过实例分析和随机模拟分析对该方法的分析效果与传统方差分析法进行了比较。
The effects of contents of catalyst, and their interaction of catalyst and the irradiation time and the microwave power varying capacity on the yield were investigated by variance analysis. 通过方差分析,探讨了催化剂用量、微波功率和辐射时间以及它们之间的交互作用对合成丙烯酸十六酯产率的影响。
Variety difference for plant height, ear length and yield of sweet corn according to random block design and trial precision and the variety stability in different sites were studied by variance analysis and additive main effects and multiplicative interaction ( AMMI) model. 采用方差分析和AMMI模型分析,对不同地点随机区组试验中甜玉米株高、穗长和产量的品种差异显著性、试验精确度和品种稳定性进行研究。
Yield of maize variety in national region trail in 2001 ( Southwestern China Group) was analyzed comprehensively by means of joint analysis of variance, analysis of variety stability and cluster analysis. 利用联合方差分析、品种稳定性分析、聚类分析对2001年国家玉米品种区域试验西南组的产量结果进行综合分析发现:区组、品种、试点、品种与试点互作间的差异均达极显著水平;
Methods To determine leaf yield and seed yield of various seedtime, and do variance analysis. 方法测定不同播种期的叶片及种子产量,并进行方差分析。
Effects of nitrogen, phosphorus and potassium on yield effect of order n is greater than p greater than k by Intuitive analysis, Analysis of variance obtained that N, P fertilizers were highly significant factors and significant levels, K fertilizer elements is not significant. 直观分析氮磷钾肥料对产量影响的效应顺序为N大于P大于K,方差分析可知氮、磷肥料因素分别达到极显著水平和显著水平,K肥料元素表现不显著。
Through the reward abnormal significant test, mean value of yield and the average of homogeneity of variance test, market model, and with virtual variables GARCH model, and regression model to quantify butterfly warrants on the underlying security influences. 通过异常报酬率显著性检验,收益率均值与方差齐性检验,市场模型,以及含虚拟变量的GARCH模型,和回归模型量化蝶式权证对标的股票的影响。
Starch content, starch yield, starch viscosity, and gelatinization point were statistically analyzed by using the methods of combined analysis of variance and stability analysis ( AMMI model). 对淀粉含量、淀粉产量、淀粉粘度和糊化温度等性状进行多点联合方差分析及稳定性分析(AMMI模型),对生态和环境因子与淀粉含量等指标进行了相关分析。
Difference significance of yield and nitrogen use efficiency of all plots is compared in the method of analysis of variance and regression analysis. The profile observation results of soil moisture are analysis results. 1. 用方差分析、回归分析方法比较各处理间黄瓜生长指标和生理指标、黄瓜产量、氮肥利用率及磷钾养分效率的差异显著性,用土壤含水量剖面观测结果分析了产生这一差异的原因。
Factorial experiment design was carried on by dint of Design-Expert software for studying the yield stress and apparent viscosity. By variance analysis finding the remarkably influential factors, thereout the equations of the yield stress and the apparent viscosity were obtained. 借助Design-Expert试验设计软件对屈服应力和表观粘度进行正交试验,通过方差分析寻找显著影响因素,并得到了屈服应力和表观粘度的公式。