1) density of control point in mapping
图根点密度
2) pole and contour plots diagram
极点等密度图
1.
Aimed at slope stability for open-pit mines,the orientations of structural plane were used for statistical analysis by rose diagram and pole and contour plots diagram.
针对露天边坡的稳定性问题,首先利用玫瑰花图和极点等密度图对结构面产状进行统计分析,然后结合边坡的地形地貌、地层岩性以及结构面发育程度等多方面因素得出对边坡稳定性起控制作用的优势结构面,并采用赤平极射投影对边坡的稳定性进行定性分析。
3) mapping control point
图根点
1.
The theoretical analysis and practical tests are made for mapping control points planning and meanwhile the control survey is flexible for using centering plumbing rod instead of tripod since the precise slope distance can be measured and the sighting is not need to be exact, so that a certain sig.
介绍了具有代表性的全站仪厂家、仪器及型号,并结合全站仪的特点,阐述了用全站仪进行测距、控制测量的简易方法,主要包括不用精确瞄准也能得到准确距离(斜距)、利用对中杆代替三脚架进行控制测量与灵活布设,给出了灵活布设图根点的理论分析和实践测试比较,得出了一些有意义的结论,以便今后更好地发挥全站仪的作用。
2.
The author introduces the setting up non-binding GPS net and the construction survey of GPS RTK mapping control point,explores data precision,compares the achievements of dynamic state drawing surveying with that of static state surveying,and also makes analysis on precision.
阐述了无约束平差GPS网的建立及GPS RTK图根点的施测方法。
4) graphic mapping control point
图解图根点
5) Root density
根系密度
1.
Distribution characteristics of effective root density in the planted Robinia pseudoacacia and Platycladus orientalis forest site;
刺槐和侧柏人工林有效根系密度分布规律研究
2.
In this paper,the spatial distribution of root density of the 20-year forests of Robinia pseudoacacia L.
通过分层挖掘法,对20龄刺槐、油松林根系密度的空间分布进行了研究。
6) root length density
根长密度
1.
Root-Water-Uptake Rate and Root Length Density Distributions of Winter Wheat at Seedling Stage under Subirrigation;
浸润灌溉条件下苗期冬小麦根系吸水速率与根长密度分布
2.
At harvest,root length density and treflan concentration at different soil layer were evaluated using soil auger method.
冬小麦收获后,采用土钻法在滴头附近沿垂直方向分层取样,测定各土层的根长密度和氟乐灵含量,并统计各小区的产量。
3.
euphratica root length density presented a parabola curve.
结果表明:在水平方向上,胡杨根长密度分布呈抛物线型,吸水根根量主要集中在0~350cm,此范围的吸水根根量占0~500cm总量的91·88%,350cm以外的吸水根量只占总量的8·12%;在垂直方向上,胡杨根长密度分布呈典型的负指数型,吸水根根量主要集中在0~80cm土层内,占0~140cm土层内总量的96·8%。
补充资料：交联点密度
分子式：
CAS号：
性质：又称交联点密度。交联聚合物中交联链的结构单元数Nc占总结构单元数N的分数，通常用q表示。Q=Nc/N。
CAS号：
性质：又称交联点密度。交联聚合物中交联链的结构单元数Nc占总结构单元数N的分数，通常用q表示。Q=Nc/N。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条