查询词典 muff coupling

A bi-periodic accelerator structure with coupling cavity of arrow-shaped cross-section is described in this paper.

本文对一种使用箭型耦合腔的双周期加速结构进行了研究。

Moreover, the polymeric arsine palladium(0) complex is an efficient catalyst for the carbonyl allylation of aldehydes and the coupling reaction of aryl halides with terminal alkynes or Grignard reagent.

该聚合物负载的胂钯(0)配合物还是醛的羰基烯丙基化及芳基卤化物与端炔、Grignard试剂的交叉偶联反应的有效催化剂。

We have investigated the Suzuki cross-coupling reaction of aryl bromides at low catalyst loading and low temperature.

经过一系列实验条件的摸索，采取了在比较低的催化剂用量和比较低的温度的实验条件下进行了一系列底物的Suzuki偶联反应，结果以极好的收率得到相应的偶联产物。

It is imaginable that the catalytic system could be used in cross-coupling of aryl bromides with other active methylene compounds.

预计该催化体系可以广泛用于溴代芳烃与其它含活泼亚甲基化合物的交叉偶联反应。

Suzuki cross-coupling of aryl bromides with arylboronic acid is one of effective methods to form biphenyl derivatives in organic synthesis.

研究了它们对 Suzuki偶联反应的催化作用，优化了这些催化剂在联苯类化合物合成中的反应条件。

In the course of numerical calculation, the influence among asperities, the coupling problems of the variation of temperature and pressure on contact surfaces, the variation problems of the maximum temperature, maximum contact pressure, maximum stress were taken account into.

在数值计算过程中，着重考虑了微凸体之间的相互影响，温度变化与接触区域压力变化的耦合问题，最高温度、最大接触压力以及最大等效应力的变化问题。

The interfacial effects of silane coupling between asphalt with granite and cement mortar were studied in this paper.

研究了硅烷偶联剂对沥青与石料及水泥砂浆界面的作用。

These algorithms contain rich information of system structure, especially, the information of coupling and structure at infinity.

给出非正则反馈线性化问题有解的一系列构造性的充分条件以及必要条件，以及求解线性化反馈变换的递推算法。

Aimed at the hydrogeology condition of flood mine with large range filling mining, numerical analysis of fluid-solid coupling was done.

针对大面积充填采矿涌水型矿井的水文地质条件，进行了流固耦合的数值分析。

In this paper, after taking over coupling effect between electronic spin and orbital angular momentum, to revise the formula of electronic angular momentum in Bohr's theory, and electronic speed formula is obtained in a single-electron system, and to correct the energy level formula of atomic orbit in Schr? dinger's method by relativistic effect, the theoretical improving formula is built for spectrum fine splitting calculation, the calculated values are in good agreement with experimental ones, and reflect changing law of spectrum fine splitting values.

本文在考虑了电子的自旋角动量与轨道角动量的耦合作用后，通过对Bohr理论中的电子运动角动量的修改，推导出单电子体系的电子速度公式，结合对Schrdinger的原子轨道能级表达式相对论效应修正，从而得出本文的氢及类氢离子光谱精细结构值的理论计算公式，应用此改进公式，所得的计算值与实验观测值符合得很好，计算结果也反映了氢及类氢离子光谱精细结构数据变化的规律性。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。