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- dipolar aprotication 两极惰性
- Keywords Cefuroxime Axetil;dipolar aprotic solvent;esterification reaction; 头孢呋新酯;偶极非质子性溶剂;酯化反应;
- dipolar aprotic solvent 偶极非质子溶剂
- dipolar aprotic polymer 偶极非质子聚合物
- Method:Observe and test the heart functions of normal domestic cats before and after the medicine ASU-DIC colorful dipolar ultrasonic diagnosis Set. 方法:用ASU-DIC型彩色多普勒超声诊断仪观察测定给药前后家猫心功能。
- This strategy was run in the isotopically enriched polymer blends using dipolar filter under fast magic angle spinning. 在以往研究的基础上，发展了一套在分子尺度上表征玻璃态高分子链互穿的方法。
- The dipolar layer is consisted of the latent electrostatic image and toner attracted on it. 这偶极层是由静电潜像的电荷和由静电力吸附在上面的色粉构成的。
- Examples include: self gravitating systems，plasmas, dipolar magnets and wave-particle interactions. 包括了：引力系统，等离子体系统，偶极磁铁系统等。
- Then, combined with grids search in small area, the accurate dipolar source localization was performed. 然后，再在小范围内进行小网格的搜索，进一步实现精确的定位。
- Experimental results show that this method can localize multiple dipolar sources easily. 实验结果表明，此方法在保证定位精度的前提下，大大加快了定位速度。
- Intermolecular forces can be divided into three categories: dipolar forces, London forces, and hydrogen bonds. 分子间力可分为三类:偶极力，色散力及氢键。
- And the result shows that the less particle size is good for improving characters of dipolar plate made by PF resin. 结果表明粒径的减小有利于改性酚醛树脂制成的双极板整体性能的提高，层状石墨改性酚醛树脂，有利于提高双极板的导电性。
- Dipolar charges are a type of intermolecular force that has attraction between polar molecules. 偶极力是存在于极性分子间的一种分子间力。
- On the contrary, the reversal modes are only determined by the dipolar interaction strength. 发现偶极作用能对系统的磁化强度翻转模式有决定性的作用。
- In summertime this dipolar pattern weakens to great extent and limits in the bound of troposphere. 而夏季这种形态明显减弱，并只限于对流层中。
- We use Monte Carlo method to get the relationship between dipolar interaction and magnetoresistance effect. 利用蒙特卡罗数值模拟方法分析了该体系中偶极相互作用对系统磁电阻效应的影响。
- Results： After seven days of culture, the melanocytes were 70% confluence.They were dendritic cells with dipolar, tripolar or multipolar. 结果：经过7天的培养，黑素细胞达到70%25汇合，细胞呈双极、三极或多极的树突状。
- In corresponding with AO zonal symmetric mode, zonal mean zonal wind exhibits dipolar pattern in winter which extends upward into stratosphere. 与北极涛动纬向对称型相联系的纬向平均纬向风在冬季表现为明显的偶极型，向上延伸到平流层；
- It turns out that the peaks of those protons adjaecnt to the molecular dipolar center shifi to high field on both salt forming and H-D exchanging. 成盐效应和D_2O交换均使距分子偶级矩较近的质子化学位移向高场移动.
- Nowadays multiple signal classification (MUSIC) algorithm and recursive MUSIC algorithm are widely used to localize dipolar sources from the MEG data. 快速准确地利用脑磁图技术对三维空间中的脑神经活动源进行定位，对于脑功能研究和医学临床应用都具有重要的应用价值。
