Unsymmetric相关论文
以4-羧基邻苯二甲酸酐、尿素和金属盐为主要原料,采用固相合成法合成了四羧基取代的系列金属酞菁;4-羧基邻苯二甲酸酐、邻苯二甲酸......
Synthesis, properties and application of novel 5,6,5,6-tetracyclic pyrazine/pyrrole-fused unsymmetri
Novel 5,6,5,6-tetracyclic pyrazine/pyrrole-fused unsymmetric bis(BF2) fluorescent dyes (BOPYPYs) were obtained by reacti......
Unsymmetric Side Chains of Indacenodithiophene Copolymers Lead to Improved Packing and Device Perfor
Two conjugated polymers (PulDTBD and PulDTQ) with unsymmetric side chains have been prepared for polymer solar cells usi......
为实现直驱式风力发电系统的高电压穿越,提出一种在电网电压不平衡骤升工况下,基于网侧变流器的双重控制策 略.当电网电压骤升超过......
针对非对称负载下矩阵变换器( MC)重复控制与PI控制的不足,提出改进的复合控制策略,有效改善输出电压质量。通过建立d-q坐标系下的MC数......
Many applications require the solution of large un-symmetric linear systems with multiple right-hand sides.Instead of ap......
用填充强酸性离子交换纤维的电去离子(EDI)装置,处理实验室模拟的火箭发射场偏二甲肼废水。考察了电流、出水pH值与电压的关系以及......
为了在 Lanzhou 重庆旅客上为 Muzhailing 隧道在地质的床上用品阶层学习不对称的负担效果,在中国奉献了线,我们调查了包围岩石的变......
以4-硝基邻苯二甲腈、亚氨基二乙酸、8-羟基喹啉等化合物为原料,合成了一种不对称羧基锌酞菁,2-(8-氧基喹啉)-9,16,23-(N,N-二乙酸......
An unsymmetric 2,6-bis(imino)pyridine iron(Ⅱ) complex 1' was synthesized. The relationship between catalyst structu......
本文通过一条对称片体船和一条非对称片体双体船的对比试验,探讨了双体船片体间距比对阻力的影响,得出了最佳片体间距比。在此基础上......
ABLOCKVARIANTOFTHEGMRESMETHODFORUNSYMMETRICLINEARSYSTEMSGUANGYELI;CRAYRESEARCH,INC.(55FLONEOAKDRIVEEAGAN,MN55121,USAFAX:612-6.........
The Incomplete Orthogonalization Method (IOM(q) ) , a truncated version of the Full Orthogonalization Method (FOM) propo......
采用气相色谱/质谱法分析液体推进剂偏二甲肼所含组分,研究组分的色谱保留性质,质谱裂解规律,并分析了各组分对推进剂比推力的影响......
本文采用三角级数,推广伽辽金方法求得了底边固定的等腰三角形板在不对称分布荷载作用下的弯曲平衡解。......
本文考虑系数阵的特征值正负成对出现的非对称线性方程组,对这类线性方程组,本文提出了一种基于特殊子空间的极小化残量法,它在理......