1)  k connected graph
k-连通图
2)  locally k-connected graph
局部k-连通图
3)  k-regular k-connected graphs
k正则k连通图
4)  minimally k-connected graph
极小k-连通图
5)  contraction-critical 6-connected graph
收缩临界k-连通图
6)  K~+
K+
1.
Objective:A method for determination of dissociative K~++,Na~+,Ca~(2+)and Mg~(2+) in soil by Solid Phase Extraction-Ion Chromatography was established.
目的:建立用固相萃取-离子色谱法测定土壤中游离态的K+、Na+、Ca2+、Mg2+含量。
2.
To study the biochemisry change in blood and the significance for forensic medicine to measure the consisteney of K~++ and Cl~-in venous blood and analysis of the gases in blood by hung.
研究缢死的血液生化学变化,探讨血气分析和K+、Cl-的检验对鉴定缢死的法医学意义。
3.
Objective To determine whether the effect of nicotinamide adenine dinucleotide(NADH) on activation of the RyR1 are Na~+ and K~++ concentration dependent.
目的探讨Na+、K+浓度对骨骼肌肌质网囊泡氧化还原系统的调控作用及对Ca2+释放通道的影响。
参考词条
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。