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- The activities of palladium catalysed cross coupling reactions of substituted bromobenzenes were studied. 分析了温度、化剂、同取代基团对取代溴苯发生钯催化偶联反应活性的影响。
- No cross coupling between inductors due to low magnetic shield and high reliability. 漏磁小,不产生耦合,可靠性高。
- For having missile of two sets of the same side directions autopilot,there is cross coupling between two control channels. 对于具有两套相同侧向自动驾驶仪的导弹,两个控制通道之间存在交叉耦合。
- Six liquid crystals intermediates were synthesized by palladium catalysed cross coupling reactions with six substituted bromobenzenes and2 methyl3 butyne2 ol. 以4氟溴苯、,4二氟溴苯、,4,5三氟溴苯、碘溴苯、甲氧基溴苯、丙基溴苯为原料,分别与2甲基3丁炔2醇发生钯催化偶联反应,合成了6个苯基炔醇液晶用中间体。
- Stepped Impedance Resonators(SIR) taken as basic resonator unit of coaxial filters,a kind of generalized Chebyshev coaxial-cavity filter through cross coupling is designed. 利用阶跃阻抗谐振器SIR作为同轴腔滤波器的基本谐振单元,设计了一个利用交叉耦合来实现广义切比雪夫函数的同轴腔体滤波器。
- In order to avoid cross couplings between the vertical and lateral motion,decoupling control of a double-channel control rolling missile autopilot was studied. 为消除旋转导弹自旋所带来的纵向与侧向运动的交叉耦合,进行了双通道控制旋转导弹自动驾驶仪回路解耦控制研究。
- The judge divorced the young couple. 法官判决这对青年夫妻离婚。
- I put down a couple of cases of claret last year. 去年我把几箱红葡萄酒放进地窖使之香醇。
- The newly married couple are really a happy pair. 那对新婚夫妇真是快乐的一对。
- It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
- They've gone down to Brighton for a couple of days. 他们已南下到布赖顿市住两天。
- I'll be back in a couple of days. 我过几天就回来。
- The couple seemed to be on cloud nine. 那对夫妇看上去极其幸福。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
- In the mathematical model of PWM rectifier in d-q synchronous reference frame, there is cross coupling between active and reactive components of the line current, which is difficult to control. PWM整流器在d-q旋转坐标系的数学模型中,有功电流与无功电流之间存在耦合,给控制带来困难。
- The bowler let go a couple of scorchers. 投球手投出了几个快球。
- The method for removing the phase loading effect is discribed.Finally, combined the two methods, the tuning of several cascaded and cross coupled bandpass cavity filters is demonstrated by HFSS. 最后结合这两种方法,利用电磁仿真软件HFSS仿真了几种级联带通腔体滤波器和交叉耦合带通腔体滤波器的调试。
- He patched up a couple of old tires. 他补了几条旧车胎。
- The couple next door are always arguing. 邻居的夫妇总吵架。
- On the basis of analysis on error model of ultra precision CNC machine tool, the variant gain cross coupling control algorithm is introduced into the servo control of ultra precision CNC machine tool. 文章在分析超精密数控机床误差模型的基础上,将变增益交叉耦合控制算法引入超精密数控机床的伺服控制。
