1) kurtosis
峰谷特性
1.
In this work,the histogram function of the volume data is built and the volume data is smoothed to extend its kurtosis,then the zero on the differential curve is computed based on the histogram and the classes of the volume data is obtained c.
文中提出一种实现体数据自动分类的方法,该方法在增强峰谷特性后的体数据灰度分布图上计算差分曲线的过零点,初步判定体数据的类别,再引入独立峰判断准则和缓坡再划分准则,通过类别合并和类别细分确定多个阈值,从而划分体数据类别。
2) peak to valley
峰谷
1.
Owing to great peak to valley value of power grid,the four peaking N125 units in Huangpu Power Plant experienced frequent breakage in the superheater tubes and superstandard vibration in the fore bearing.
黄埔发电厂 4台N12 5机组参加电网调峰运行 ,但因省网峰谷差大 ,常出现炉管拉裂泄漏及前轴承振动超过容许值等问题 ,原调峰方式已无法满足系统要求 ,严重影响机组的经济效益和社会效益 ,为此 ,尝试采用机组两班制启、停调峰运行的新方式 ,因此 ,介绍这种新运行方式的技术措施及操作时应注意的事项。
3) peak valley
峰谷
4) roll
峰谷值
1.
The research is based on rolling fundamentals, and analyses the regions of the effective metal volume which constitute the peak value or the gorge value of the surface's smooth finish, then bring pressure and produces the effective plastic deformation, so it produces a microvolume plastic deforming mashing region of the outside surface.
以塑性加工原理为基础,在构成表面粗糙度的峰谷值有效金属体积区域内施加压力,并使之发生有效的塑性变形,产生外表面的微观体积塑性变形区,获得Ra0。
5) peak-valley price
峰谷电价
1.
As for its operational actuality on the basis of the peak-valley price, the optimization of the daily operation scheme is presented.
东北原油长输管网是中国规模最大的地区性原油运输系统 ,就该管网基于峰谷电价体制下的运行现状 ,建立了线性规划数学模型 ,提出了日输油计划优化问题 ,并以铁秦线为例进行分析 ;初步揭示了峰谷电价体制下日输油计划方式的一些基本规律 ,表明在该体制下东北管网具有一定的节能降耗潜力。
6) peak-valley electricity quantity
峰谷电量
1.
On the basis of analyzing the relation between peak-valley prices and peak-valley electricity quantity at generation side, the necessary conditions of keeping the average pool purchase price unchanged and maintaining the income increment of generating units on a certain level are respectively proposed while the peak-valley time-of-use (TOU) price is implemented at the generation side.
在分析发电侧峰谷电价与峰谷电量关系的基础上,分别提出了在实行发电侧峰谷分时电价情况下,保持平均上网电价不变和保证发电机组收入增量处于某一水平的必要条件。
参考词条
补充资料：峰谷
分子式：
CAS号：
性质： 吸收光谱中两个极大吸收峰间的最小吸收波长。物质在此区间对光的吸收较小，一般不能作为定量的波长。
CAS号：
性质： 吸收光谱中两个极大吸收峰间的最小吸收波长。物质在此区间对光的吸收较小，一般不能作为定量的波长。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。