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wave length
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  4波长
     By means of multi reflectivity peak fiber gratings, 4 wavelength, 8 wavelength lasing with wavelength spacing of 1 6 nm or 0 8 nm and linewidth of 0 01 nm have been obtained in the experiment of σ figure cavity fiber lasers.
     利用多反射峰光纤光栅 ,在σ形腔光纤激光器实验中 ,实现了 4波长和 8波长激射 ,输出波长间隔 1 6nm或 0 8nm ,单波长线宽 0 0 1nm。
短句来源
     THE GEOMETRIC DESIGN OF AN ACHROMATIC 1/4 WAVELENGTH RETARDER
     消色差的1/4波长延迟器的几何光学设计
短句来源
     Application of amplitude tuning in surveying geologic target thickness less than 1/4 wavelength
     应用振幅的调谐作用探测地层厚度小于1/4波长地质目标
短句来源
     (3)detailed discussed the performance of whip antenna when its height is 1/4 wavelength~1/2 wavelength and its relation to the ground-to-air communication;
     (3)详细讨论了高度为1/4波长~1/2波长的鞭状天线的性能与对空通信的关系;
短句来源
     The directional couplers of n/4 wavelength transmission Line
     n/4波长传输线定向耦合器
短句来源
更多       
  4波长
     By means of multi reflectivity peak fiber gratings, 4 wavelength, 8 wavelength lasing with wavelength spacing of 1 6 nm or 0 8 nm and linewidth of 0 01 nm have been obtained in the experiment of σ figure cavity fiber lasers.
     利用多反射峰光纤光栅 ,在σ形腔光纤激光器实验中 ,实现了 4波长和 8波长激射 ,输出波长间隔 1 6nm或 0 8nm ,单波长线宽 0 0 1nm。
短句来源
     THE GEOMETRIC DESIGN OF AN ACHROMATIC 1/4 WAVELENGTH RETARDER
     消色差的1/4波长延迟器的几何光学设计
短句来源
     Application of amplitude tuning in surveying geologic target thickness less than 1/4 wavelength
     应用振幅的调谐作用探测地层厚度小于1/4波长地质目标
短句来源
     (3)detailed discussed the performance of whip antenna when its height is 1/4 wavelength~1/2 wavelength and its relation to the ground-to-air communication;
     (3)详细讨论了高度为1/4波长~1/2波长的鞭状天线的性能与对空通信的关系;
短句来源
     The directional couplers of n/4 wavelength transmission Line
     n/4波长传输线定向耦合器
短句来源
更多       
  “4 wave length”译为未确定词的双语例句
     In the paper a new method to obtain the phase shift by adding adjustable polarize and 1/4 wave length plate is presented, which is simple and no influence with different phase value.
     文中提出了一种在散光激光入射光路中用加入一可调偏振片和一可调1/4波片实现散光图象双折射相移的方法,该方法设备简单,能保证总体光强的一致性。
短句来源
     Seismic resolution is divided into vertical (time) and lateral(space) resolution. Generally,the 1/4 wavelength of seismic wave is defined as the limit of seismic resolution in notebooks and related literatures,even if according to the Fresnel radius to define the limit of spatial seismic resolution,it is also 1/4 seismic wavelength.
     地震分辨率分为垂向(时间)和横向(空间)分辨率,通常教科书和有关的文献均将l/4地震波长定义为时间分辨率的极限,即使按菲涅尔半径定义的空间分辨率的极限,也为1/4地震波长。
短句来源
     the reflections from top and bottom interfaces of thin layer can not be identified when the thickness of formation is less than 1/4 wavelength;
     当地层厚度小于1/4波长时,无法分辨薄层顶、底界面的反射;
短句来源
     The steepness of the band-edge is 50dB/MHz, the pass-band insert loss is less than 0.014dB and high out-of-band rejection about 100dB has been achieved. The size of the filter can be controled within 2 inch with 1/4 wavelength helical resonators and the second harmonic spurious response was eliminated.
     设计结果的带边陡峭度达到了50dB/MHz,带内插损小于0.014dB,带外抑制达到100dB,二倍频处抑制度优于130dB.
短句来源
     An ultrasonic vibration cutter system with 1/4 wavelength horn-type concentrator
     四分之一波长喇叭式集中变幅杆构成的超声振动刀具系统
短句来源
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The absorption wavemeter investigated consists of a single loop with a variable gap which is formed by a pair of parallel plates. A calibration formula for the meter was derived on the assumption that the stray capacity could be considered constant and the stray inductance negligible. This simple and useful formula was ex perimentally checked on four different meters, covering the range from about one-and-quarter meter to one-half meter. These melors were carefully constructed and accurately calibrated with...

The absorption wavemeter investigated consists of a single loop with a variable gap which is formed by a pair of parallel plates. A calibration formula for the meter was derived on the assumption that the stray capacity could be considered constant and the stray inductance negligible. This simple and useful formula was ex perimentally checked on four different meters, covering the range from about one-and-quarter meter to one-half meter. These melors were carefully constructed and accurately calibrated with reference to a quartz oscillator by the double-heating method through the use of an auxiliary oscillator of a continuous range of wave-lengths from six to ten meters.

在吸收式波长计之理论上,以其杂储电量为常数而略其杂磁感量,得一简便之公式虽在波长一公尺左右亦可用。所研究之吸收式波长计之构造,系一黄铜制成之单圈,用二黄铜片制成之一缝隙。其缝隙之宽度,可由一螺旋调节。此种波长计,曾 在国立中央研究院物理研究所制造室制造四具,可量波长一有四分之一公尺至半公尺亦曾在此研究所之实验室内,与水晶振荡器校准先制一振荡器,可在六至十公尺之间,发生无论任何波长之振荡。并将此振荡器与一水晶振荡器用拍谐法校准。再制一有四分之一公尺至半公尺之振荡器,与已与水晶校准之振荡器,再用拍谐法校准,而同时以所制之吸收式波长计量之其实验与理论所得之各结果极为符合。

With γ-rays of various wave-lengths the number of counts produced in a Geiger-Muller counter of Pb-wall was determined in equal time intervals. The same experiment was carried out with a counter of Al-wall. Let Npb and NA1 represent the number of counts produced in the Pb-counter and Al-counter respectively by a beam of γ-rays of even wave-length in a given time interval. The ratio Nph/NA1 observed decreases at first with the wavelength of the incident beam due to the diminishing photo-electric...

With γ-rays of various wave-lengths the number of counts produced in a Geiger-Muller counter of Pb-wall was determined in equal time intervals. The same experiment was carried out with a counter of Al-wall. Let Npb and NA1 represent the number of counts produced in the Pb-counter and Al-counter respectively by a beam of γ-rays of even wave-length in a given time interval. The ratio Nph/NA1 observed decreases at first with the wavelength of the incident beam due to the diminishing photo-electric of lead. It is, however, found to increase by 16% when the wavelength of the incident radiation is decreased from a value 6.6 x. u. 4.7 x. u. This rising is due to particles produced by the interaction of hard γ-rays with the Pb-nuclei.

能力极大的丙种镭辐射,可以影响原子核,这是新近发见的事实。为进一步的研究,我们把极硬的丙种镭辐射,照在铅的数电子管(Electron Counter)上结果:除了射出的光电子和反跳子(Compton RecoilElectron)外,还观察到一种电子(有阴阳二种),约占总数的百分之十七。这种电子的来源,现在有两种解释:1从原子核里射出。(2)直接由丙种镭辐射变成。

With a view to locating the lowast state of trebly ionized cerium, the absorption spectra of CeCl3, and Ce2(SO4)3 solutions are examined between 2,000 A and 10,000 A. While no absorption was found in the long wave length side up to 9500 A, a new broad absorption region was observed, with center at about 2105 A. It is suggested that this and the four other similar absorptions observed by Freed are not related with the transitions which probably lie in a region not yet covered in this study.

本文从理论及实验方面讨论Ce~(+++)之最低能位问题。从CeCl_3及Ce_2(SO_4)_3溶液,除Freed氏已得之四吸收带外,在2105A处更薄现一阔而漫之吸收带。在红外方面,则直至9500A尚无吸收光线。因各种理由,似可证明Ce~(+++)之4f~2F—5d~2D线,与各紫外吸收无关而应在1至10μ间。

 
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