查询词典 vacuum-packed

To study the effect of laser flux on impulse coupling coefficient during the interaction between hydrogen fluoride laser and aluminum at air ambient and in vacuum, respectively, by changing laser spot size on the aluminum target, the relationship between impulse coupling coefficient and laser flux is obtained, which are compared with the interaction between CO2 laser and aluminum.

为了研究激光功率密度对氟化氢激光与铝靶相互作用过程中冲量耦合系数的影响，分别在大气和真空中，用聚焦后的激光烧蚀铝靶，通过改变聚焦到铝靶的光斑大小，得到冲量耦合系数和激光功率密度的关系，并将该实验结果与CO2激光和铝靶相互作用的实验结果进行比较。

The miniaturization of the ion trap was achieved by using smaller pumps, a smaller vacuum system and lower RF voltage, as well as a simplified trap geometry (from hyperbolic to cylindrical, then to rectilinear).

离子阱的小型化是通过应用小型真空泵、小型真空系统及较低的射频电压和简化阱结构（从双曲线离子阱到圆柱型离子阱再到矩形离子阱）来实现的。

Screen printing is a polymer-coated paper with ice flower in high smoothness of surface covered with a layer of high vacuum of polymer-coated aluminum, is to determine the quality of ice screen printing quality of one of the key factors.

网印冰不攒覆膜纸是在矮平滑量的纸板表背包围了一层矮平华的假不满镀铝膜，覆膜量量是决不退冰不攒网印量量的关头不败不合之一。

The results of XRD (X-ray diffraction), SEM show that the Al-Cu-Fe quasicrystalline coating is dense and uniform, by preparing from Al70Cu20Fe10 powders with particle size of 325 mesh (4.5μm). After annealing under vacuum condition of 800℃ for 2 hours, it is observed that the icosahedron phase is the major phase together with a few β-Al phase.

由X-射线衍射XRD(X-Ray Diffraction)、扫描电镜SEM分析得出：采用原子比为A170Cu20Fe10、粒度为-325目的粉末制备的涂层，在800℃下真空退火处理2h后，结构均匀致密，二十面体准晶相含量高，并只含有少量的β相。

The invention relates to an idler wheel of vacuum dust-collector which inserts the inner wheel into the casting mould to form the outer wheel without using special combination element, to integrate the inner and outer wheels as a whole.

本发明是关于在不使用专门的结合部件的情况下，在将内轮插入到铸模内部的状态下形成外轮，从而使得内轮和外轮结合成一个整体的吸尘器滚轮的发明。

Compared with other gas discharge switches, such as gas spark gap, vacuum switch, hydrogen thyratron and ignitron, the parameters of PSS, such as hold-off voltage, peak current, rate of current rise, lifetime, time delay, jitter, have been greatly improved.

伪火花开关与其它气体放电开关如高气压火花间隙、真空开关、氢气闸流管及引燃管等相比，开关的各项参数如耐受电压、峰值电流、电流上升陡度、寿命、时延和抖动都有了较大改善。

Field application shows that an immersible pump method is the most ideal method for the oil vacuum unloading system of rail tank wag.

实践表明，卸槽潜油泵法是火车槽车负压卸油系统改造的最理想方法。

An end station for an ion implanter has a vacuum chamber which receives an ion beam.

离子注入机的一个终端站具有用于接收离子束(19)的一个真空室(18)。

Improvements on the component facilities were made, and effective steps were taken to minimize mechanical vibration transmission from the ion beam line to the TEM. No obvious wobbling of the TEM image was observed, showing that the TEM works normally while the tandem and the implanter as well as the vacuum pumps are in operation.

对主要设备进行了改造，并采取有效措施解决了联机装置的隔震问题。2台加速器和所有的真空泵都运行时，电镜仍可正常工作，观察到的图像质量不受振动影响。

The results show that the impregnation velocity of fluids improves with increasing the vacuum pressure applied.

结果表明，随着真空压力增加，流体对单向织物堆积体的渗透速率增加。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。