发射体

Conformal transformation method is firstly used to investigate themisalignment impacts on emission properties of the emitter.

首次采用变换方法讨论了环形边缘发射体偏心对发射的影响，计算的结果表明少量的偏心对发射影响不明显，随着偏心量增大发射体的场强明显增强。

The results revealed that the film could be a good kind of field electron emitter.

实验结果表明该薄膜是一种好的场致电子发射体。

The final launched velocity is accelerated to 24.991m/s in three steps. A velocity curve is gained by this method and it is consistent with the simulated result.

经实际测量得到了一条经3级加速后的速度曲线，与仿真结果相一致，发射体最后速度达

These results proved that the secondary electron emission yield of insulator measured with the device is credible, but the yield of MgO is smaller than the normal yield of MgO.

这表明该装置测量的绝缘体二次电子发射系数是可信的，但用磁控溅射法制备的MgO的二次电子发射系数较低，这可能是制备MgO时引入了过多的杂质在MgO二次电子发射体里面所引起的。

A hotter object is a better emitter than a cooler one, and a blackened surface is a better emitter than a silvered one.

比起较冷的物体来，较热的物体是较好的发射体；比起银白色的表面来，深色的表面是较好的发射体。

Said electronic emitter assembly is composed tungsten filament and emitter.

电子发射体组件包括钨灯丝与反射极。

The heating power decreased 66%, compared to that when the conversional graphite acted as the heater.

与用石墨加热LaB6发射体相比，该电子源加热功率降低了66%。

Provided are carbide derived carbon materials prepared by thermochemically reacting carbide compounds and a halogen containing gas and extracting all atoms of the carbide compounds except carbon atoms, wherein the intensity ratios of the graphite G band at 1590 cm -1 to the disordered-induced D band at 1350 cm-1 are in the range of 0.3 through 5 when the carbide derived carbon is analyzed using Raman peak analysis, wherein the BET surface area of the carbide derived carbon is 1000 m 2 /g or more, wherein a weak peak or wide single peak of the graphite (002) surface is seen at 2 = 25 DEG when the carbide derived carbon is analyzed using X-ray diffractometry, and wherein the electron diffraction pattern of the carbide derived carbon is the halo pattern typical of amorphous carbon when the carbide derived carbon is analyzed using electron microscopy.

提供了得自碳化物的碳，其通过热化学反应碳化物化合物和含卤族元素的气体并提取除了碳原子之外的碳化物化合物的全部原子制备，其中当使用拉曼峰分析法分析该得自碳化物的碳时，在1590cm -1 的石墨G波段与在1350cm -1 的无序引发的D波段的强度比为0.3至5，其中该得自碳化物的碳的BET表面积是1000m 2 /g或更大，其中当使用X射线衍射法分析该得自碳化物的碳时，在2θ＝25°观察到石墨(002)面的弱峰或宽单峰，以及其中当使用电子显微法分析该得自碳化物的碳时，得自碳化物的碳的电子衍射图是代表无定形碳的晕图案。该发射体具有良好的均匀性和长寿命。可以使用比用于生产常规碳纳米管的方法更廉价的方法制备发射体。

That of partial dissociated phycobilisomes indicated three bands: F652, F660 and F685, characteristic of C-phycocyanin, allophycocyainn and torminal emitters respectively.

部分解离藻胆体的荧光光谱的主峰位移至652nm：次峰位于685nm；660nm为一弱荧光发射肩。它们依次为C－藻蓝蛋白，末端发射体和别藻蓝蛋白的荧光。

Based on the heating flow equation, the tip temperature of the cone field emitters were computed self-consistently in Nottingham effect and in Jouel heating. The temperature as a function of structure parameter and physical parameter of the cone emitter was calculated.

从热传导方程出发，考虑Nottingham效应和焦耳热情况下，采用自洽求解了圆锥形场发射体的尖端表面温度；定量讨论了温度与给定的圆锥形场发射体的结构参量与物理参中的关系。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失