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1)  base level
基准面
1.
Application of sedimentary base level in the study of seismic sequence stratigraphy;
基准面变化在地震层序地层研究中的应用
2.
Applications of the identification techniques of base levels to palaeogeographic research: an example from the Mesozoic strata in the Qaidam Basin, Qinghai;
基准面识别技术在古地理分析中的应用——以柴达木盆地中生代地层为例
2)  base-level
基准面
1.
Jurassic stratigraphic base-level cycle and subtle oil reservoir in Baijiahai-Wucaiwan,Junggar Basin,NW China;
准噶尔盆地白家海-五彩湾地区侏罗系基准面旋回划分及隐蔽油气藏
2.
Discussion on the changing patterns of base-levels in faulted lacustrine basins;
断陷湖盆基准面变化模式探讨
3.
Through research for the base-level cycle and capability of the reservoir in Qiudong sag in Tuha basin, it is thought that the short base-level elevating obviously controls the capability of reservoir.
通过对吐哈盆地台北凹陷丘东洼陷中侏罗统层序基准面旋回与储层储集性能的对比分析认为,丘东洼陷短期基准面的升降对储集性能具有明显的控制作用。
3)  datum plane
基准面
1.
Analyzed the disadvantage of traditional space angles solution in the2D design method,the author discusses the method of solving space angle problems in 3D space,by proposing using the basic definition of space angle,and applying the 3D modeling theories of geometrical restriction 、datum plane、the function of measurement and so on.
分析了二维设计方法中传统空间角度求解方法的弊端,尝试利用三维造型软件中的几何约束、基准面等基本理论和测量功能,并结合空间角度的定义方法,讨论了在三维空间中求解空间角度问题的方法。
2.
By this means,we can not only determine the errors of the curved surface shape,but also figure out the real place of curved surface in the space,accordingly reduce the requirement to measuring location of datum plane.
该方法不仅可以确定曲面面型误差 ,同时还可以计算出曲面在空间的真实位置 ,从而降低了对测量定位基准面的要求 ,因此本方法对三坐标测量曲面有重要意
3.
A novel approach of wave equation datum plane correction based on the single square-root operator is proposed: the seismic data on rugged acquisition topography is continued up to the datum plane above topography starting from some depth below near surface,by filling an additional layer between datum plane and topography with the velocity close to that of the first arrival .
基于单平方根算子的波动方程基准面静校正方法,将起伏地表的叠前数据通过波场外推到高于地形线的某一基准面上,在基准面与地形线之间填充一套新地层,填充层的速度选为接近于直达波;从地形线以下的某深度出发,在共炮点集中,根据菲涅尔原理以及检波点的空间位置,以检波点接收的地震数据为二次震源,通过上行波正向外推将检波点延拓到基准面上;再根据炮点、检波点互易原理,通过下行波反向外推将炮点延拓到基准面上。
4)  datum [英]['deɪtəm]  [美]['detəm]
基准面
1.
The datum probleum of time-depth conversion and depth migration in complicated-surface area;
复杂地表区时深转换和深度偏移中的基准面问题
2.
Study on migration datum in complicated terrain area;
复杂地表区偏移基准面问题研究
3.
Application of wave equation datum to deep layer exploration;
波动方程基准面在深层勘探中的应用
5)  reference surface
基准面
1.
This method is based on virtual eversion methodology along electric field lines, and featured with a reference surface optimization using non-rigid registration.
该方法以沿电场线虚拟外翻理论为基础,重新设计了构造外翻的重要参考曲面——外翻基准面的算法,引入了非刚性配准思想对外翻基准面进行优化。
2.
A virtual eversion method for human blood vessels is proposed in this paper,based on the virtual eversion methodology along electric field lines,and featured with a reference surface optimization using non-rigid registration.
该方法以沿电场线虚拟外翻理论为基础,以非刚性配准方法优化外翻基准面为特点,具有视野开阔、观察便捷、能保持与周围器官解剖对照关系等优点。
3.
It gives the method to construct the reference surface,the definition of 3D parameters and the numerical algorithms.
给出了基准面的构造方法 ,三维评定参数的定义及算法 ;最后对实测零件数据分别进行二维和三维评定 ,对评定结果加以比对 ,反映出三维评定的整体特性。
6)  datum level
基准面
1.
Relationships among depth datum levels in the Yangtze Estuary;
长江口海图深度基准面换算关系研究
补充资料:泵基准面
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CAS号:

性质:计算泵排出、吸入压头时,确定位置压头基准的水平面。基准面的选择主要考虑计算的方便和计算的结果有利于泵平稳可靠运行,后者对化工用泵尤为重要。例如:单级单吸卧式离心泵一般以通过叶轮轴中心线的水平面为基准面,而大型卧式离心泵则以与叶轮入口内圆最上点相切的水平面为基准面;立式离心泵一般以叶轮吸入口的内圆柱面与叶片入口前缘相交处的水平面为基准面,而化工用立式多级离心泵则以泵安装于基础的支撑面为基准面;转子泵当吸、排液管水平布置时以通过管中心线的水平面为基准面;往复泵以通过泵入口轴线的水平面为基准面。

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