1) connectivity area abstraction
连通域提取
1.
A method to recognize mark area by connectivity area abstraction of the binary image which includes marks,is presented.
通过对包含人工标志的图像进行二值化,采用连通域提取的算法实现了标志区域识别。
2) Connected regions labeling
连通区域提取
3) region extraction
区域提取
1.
Firstly, a TF region extraction method based on energy threshold is designed to identify the clustered energy of the signaland to extract the regions in TF plane occupied by clustered energy; Secondly, linear TF filters are designed to extract thecomp.
首先,设计了一种基于能量阈值的时频区域提取方法,识别出信号在时频面上的能量峰,并提取出能量峰所占据的时频区域;利用线性时频滤波器获取信号中的分量,将这些分量的时频分布叠加得到改善的时频分布。
6) sequential extraction
连续提取
1.
The rice roots were separated into nodal roots and lateral roots,which were extracted individually using a three-step sequential extraction procedure to measure the sorbed,strongly sorbed and interior adsorbed fractions.
将水稻根分为节根和侧根2部分,并采用连续提取方法将根系中的多环芳烃分为3种形态:根表弱吸着态、根表强吸着态和根内吸收态。
2.
005(mol·L~(-1)) DTPA) were evaluated by using a short three-step sequential extraction procedure.
L-1DTPA作为提取剂,用简化的3步连续提取法对贵州省赫章县土法炼锌污染土壤中Zn、Cd的形态进行了分析。
3.
The fractionations of Cu,Cr,Ni,Pb and Mn in soil collected from contaminated paddy soils and non-contaminated paddy soils near an electroplating plant were investigated using the five-stage sequential extraction procedure.
通过连续提取法对电镀废水污染区和对照区水稻田土壤中重金属元素Cu、Cr、Ni、Pb和Mn的形态进行了分析研究。
补充资料：单连通和多（复）连通超导体（simplyandmultiplyconnectedsuperconductors）
单连通和多（复）连通超导体（simplyandmultiplyconnectedsuperconductors）
单连通超导体一般指的是不包含有非超导绝缘物质或空腔贯通的整块同质超导体，若有非超导绝缘物质或空腔贯通的超导体则称为多（复）连通超导体。从几何学上讲，在超导体外表面所包围的体积内任取一曲线回路，这回路在超导物质内可收缩到零（或点），且所取的任意回路均可收缩到零而无例外，则称单连通超导体。若有例外，即不能收缩到零，则称多连通超导体。例如空心超导圆柱体，则在围绕柱空腔周围取一回路就不能收缩为零。多连通超导体可有磁通量子化现象（见“磁通量子化”）。
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