查询词典 higher derivative

It is so named because the spectrum consists of electromagnetic waves with frequencies higher than those that humans identify as the color violet .

它是如此命名是因为频段的电磁波组成的频率比那些人类的颜色紫确定更高。

Through analyzing the problems existing in the teaching process of electromechanics , and in the light of the features of the students in higher vocational colleges, this paper advances some measures for teaching reform of electromechanics course.

通过分析电机学教学过程中存在的问题，针对高职高专类学生的特点，提出了电机学课程教学改革的措施。

The measurement results of the energy levels indicate that the electron affinity of the compound is higher than that of PBD which is the normal electron-transporting material.

测量结果表明，该化合物具有较高的电子亲和势，明显高于常用的电子传输材料2-（4-联苯基）－5-（对叔丁基苯基－1，3，4-恶二唑。

Due in large part to relativistic effects this element possesses unique properties such as a higher than expected electron affinity and the formation of strong covalent bonds to soft elements like the heavier halogens and sulfur.

在大的部分由于这元素拥有独特特性的相对论性效应象那样一高，期望电子密切关系和对象更沉重的卤和硫一样的柔软的元素的强大的covalent 契约的形成。

I can see many electron cloud suddenly vanish on the originally track,then jump to the higher energy level track.

我可以看到很多电子云突然间在自己原本的轨道上消失，然后跃迁到更高能级的轨道上。

The excited electron jumps to a higher energy level and falls back to a lower level, emitting a photon with a given energy.

被激发的电子首先跃迁到更高的能级，然后回落到较低能级，同时辐射一个具有一定能量的光子。

EDFA includes a job to be in 980 or 1, the laser pump of 480 accept rice, it can raise the electron higher energy level.

假如领受到的光信号波长在L或C波段，那么在发射与输入光信号雷同波长的光子后，这些电子将降入低能量级。

The intensity of red emission was far higher than that of the green emission due to the cross-relaxation process ~4F_(7/2+~4I_(11/2)→~4F_(9/2)+~4F_(9/2), which restrained the electron population of green emission energy level, enhanced the efficiency of red light emission remarkably, and brought about high fluorescent branding ratio of red to green.

结果表明：这三种方法得到的样品的形貌分别为无定形、球状和长柱状；同固相法合成的样品的发光性质不同，这三种方法合成的样品的发射谱均为绿光发射主导上转换光谱。

It is demonstrated that living polymerization can be achieved when the concentration of electron pair donors such as DMAB or Et3N is higher than that of trace water in the polymerization system,and that polymers with narrow molecular weight distribution can be obtained.

发现当N，N-二甲基苯胺或三乙胺的浓度稍高于质子性杂质的浓度时，即能实现异丁烯的活性聚合，得到分子量分布较窄的聚合物。

The results indicate that smaller ligands with lower electronegativity give higher catalytic activity.

这表明当催化剂结构中的配体具有较小的空间结构和较小的推电子北京化匀二大学不页创匕学位论文性时，更有利于提高催化效果。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"