针对火电厂汽轮机组调节阀组流量特性测试工作中,试验数据人工处理步骤繁琐、耗时长且计算结果不精确的问题,以C#为编程语言,在Visual Studio 2017编程软件环境下,开发了汽轮机组调节阀组流量特性测试和优化系统。通过构建机组调节阀组...针对火电厂汽轮机组调节阀组流量特性测试工作中,试验数据人工处理步骤繁琐、耗时长且计算结果不精确的问题,以C#为编程语言,在Visual Studio 2017编程软件环境下,开发了汽轮机组调节阀组流量特性测试和优化系统。通过构建机组调节阀组流量特性仿真计算模型,将弗里格尔简化公式作为数学模型计算机组主蒸汽流量,通过参数配置模块得到计算所需的额定参数;结合反向跟踪和最小二乘法原理处理试验数据,分别优化机组调节阀组的单阀流量特性和顺序阀流量特性;建立了人机交互界面,图形化显示测试与优化结果。现场实际应用效果表明,该系统操作简单、处理数据快速准确、优化效果良好。展开更多
[Objective]In order to increase anther culture efficiency of pepper.[Method]MS culture media and Bolajiaohong were used in this experiment to study the influences of carbon sources and concentrations on anther callus ...[Objective]In order to increase anther culture efficiency of pepper.[Method]MS culture media and Bolajiaohong were used in this experiment to study the influences of carbon sources and concentrations on anther callus induction of pepper.Jiayu was taken as a material to study influences of plant growth regulators and concentrations on anther callus induction of pepper according to L16（4^5） orthogonal design.[Result]The average callus and embryoid induction rates of maltose at all concentrations were higher than these of sucrose but the difference was not significant.Taking maltose or sucrose as a carbon source,3% to 6% concentration was good for increasing induction frequencies of calli and embryoids.However,If the concentration was over 6%,the induction rates were declined dramatically with the increase of sugar concentration.The influences of growth regulators on induction rate of calli were listed as 2,4-D﹥ZT﹥NAA﹥KT﹥6-BA;the influences on induction rates of embryoids were listed as 2,4-D﹥NAA﹥ZT﹥KT﹥6-BA.The 2,4-D,ZT,NAA and KT had signficant or extremely significant influences on induction rates of calli and embryoids.2,4-D,ZT at 1.0 mg/L and NNA,KT at 0.5 mg/L had the best effects.The influences of ZT on calli and embryoids were better than those of KT and 6-BA.1.0 mg/L 2,4-D ＋1.0 mg/L ZT ＋0.5 mg/L KT ＋0.5 mg/L 6-BA was the best regulator combination for induction culture of Jiayu anther.[Conclusion]The experiment provided research basis for anther culture of pepper.展开更多
文摘针对火电厂汽轮机组调节阀组流量特性测试工作中,试验数据人工处理步骤繁琐、耗时长且计算结果不精确的问题,以C#为编程语言,在Visual Studio 2017编程软件环境下,开发了汽轮机组调节阀组流量特性测试和优化系统。通过构建机组调节阀组流量特性仿真计算模型,将弗里格尔简化公式作为数学模型计算机组主蒸汽流量,通过参数配置模块得到计算所需的额定参数;结合反向跟踪和最小二乘法原理处理试验数据,分别优化机组调节阀组的单阀流量特性和顺序阀流量特性;建立了人机交互界面,图形化显示测试与优化结果。现场实际应用效果表明,该系统操作简单、处理数据快速准确、优化效果良好。
文摘[Objective]In order to increase anther culture efficiency of pepper.[Method]MS culture media and Bolajiaohong were used in this experiment to study the influences of carbon sources and concentrations on anther callus induction of pepper.Jiayu was taken as a material to study influences of plant growth regulators and concentrations on anther callus induction of pepper according to L16（4^5） orthogonal design.[Result]The average callus and embryoid induction rates of maltose at all concentrations were higher than these of sucrose but the difference was not significant.Taking maltose or sucrose as a carbon source,3% to 6% concentration was good for increasing induction frequencies of calli and embryoids.However,If the concentration was over 6%,the induction rates were declined dramatically with the increase of sugar concentration.The influences of growth regulators on induction rate of calli were listed as 2,4-D﹥ZT﹥NAA﹥KT﹥6-BA;the influences on induction rates of embryoids were listed as 2,4-D﹥NAA﹥ZT﹥KT﹥6-BA.The 2,4-D,ZT,NAA and KT had signficant or extremely significant influences on induction rates of calli and embryoids.2,4-D,ZT at 1.0 mg/L and NNA,KT at 0.5 mg/L had the best effects.The influences of ZT on calli and embryoids were better than those of KT and 6-BA.1.0 mg/L 2,4-D ＋1.0 mg/L ZT ＋0.5 mg/L KT ＋0.5 mg/L 6-BA was the best regulator combination for induction culture of Jiayu anther.[Conclusion]The experiment provided research basis for anther culture of pepper.
