1)  2D histogram
2D直方图
2)  2D
2D
1.
Enlightened by the animated cartoon, and through the step-by-step perfection of 2D and 3D, people finally created a new stage of arts.
人们从卡通动画中受到启发,经过2D,3D等一步步的完善,最终创建了艺术的新境界。
3)  2D NOESY
2D NOESY
1.
The aggregation behavior of gemini surfactants 14-s-14 micelles in heavy water solutions was studied using 1H NMR relaxation and two-dimensional nuclear Overhauser enhancement spectroscopy(2D NOESY).
用1H NMR弛豫、2D NOESY研究了双子表面活性剂14-s-14胶束在重水溶液中的聚集行为。
2.
Micellization of a series of newly synthesized dialkyl benzene sulfonates was studied using proton chemical shift changes,spin-lattice,and spin-spin relaxation NMR spectroscopy,and two-dimensional nuclear Overhauser enhancement spectroscopy(2D NOESY) .
利用核磁共振化学位移变化,自旋-自旋弛豫和2D NOESY(two-dimensional nuclear Overhauser enhancementspectroscopy)研究了一系列新合成的双取代烷基苯磺酸盐的胶束化。
3.
~1H NMR spectroscopy with two-dimensional nuclear Overhauser enhancement (2D NOESY) measurements was used to study the aggregation behavior of a novel hydrophobically associating copolymer composed mainly of acrylamide (AM) and a small amount of 2-phenoxyethyl acrylate (POEA).
~1H NMR谱和二维核Overhauser效应谱(2D NOESY)研究结果表明新型疏水缔合丙烯酰胺/2-苯氧乙基丙烯酸酯无规共聚物(PAM/POEA)在水溶液中的自聚集主要发生在酚基间以及酚基与主链的相互作用上,在PAM/POEA自聚集体中酚基主要位于丙烯酰胺主链骨架附近。
4)  Geometric average (GA) method
2D EXSY
5)  MRA
2D PC
6)  2D valve
2D阀
1.
Data acquisition and real-time analysis system of the electro-hydraulic vibrator based on 2D valve;
2D阀电液激振器数据采集及实时分析系统
参考词条
补充资料:直方图
分子式:
CAS号:

性质:是一种直观地表示数据统计分布特性的图示方法。将一组依数值大小顺序排列的测量数据,按一定组距细分为若干组,以出现在各分组的频数和频率为纵坐标,以分组的组界值为横坐标画成的矩形分布图,便是频数和频率直方图。直方图各矩形的频数之和等于测量值的总数,直方图各矩形的频率之和等于l。用直线连接频数和频率直方图各矩形上方的中点得到的曲线,相应得到频数和频率曲线。当测量值的数目足够的多,分组的组距非常小,频数和频率曲线变成平滑的曲线,所得到的平滑曲线,相应称为频数分布曲线和频率分布曲线。

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