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1 To maintain optimum transmissivity, it is also vital to keep viewing windows clean.

2 The function curve of transmissivity of the wave filter was measured, and the result was in keeping with the theoretical value.

3 And the calculation method of effective transmissivity and the calculation formulas for coupling efficiency with spherical aberration being considered are given.

4 Density of crystal,[www.Sentencedict.com] transmissivity and scintillation characteristics have been measured.

5 How the temperature affects the transmissivity and the transmitted intensity disturbance is analytically discussed.

6 The curves of transmissivity versus frequency of the incident wave in the different conditions were obtained.

7 The result shows that all optical control of transmissivity and phase shift of a fundamental beam is possible, based on resonance enhancement, through changing input intensity.

8 The quality , optical transmissivity and homogeneity of the sapphire boule have remarkably improved.

9 We deal with variations of transmissivity and reflectivity in optical thickness T, albedo of a single partical a, and anisotropy g when plane wave passes through a layer discrete random media.

10 The calculated results of transmissivity are coincided with those of LOWTRAN.

11 Three methods about measuring transmissivity of IR smoke screen were introduced in this paper.

12 If the inner friction angle keeps constant, transmissivity will increase with the increase of cohesion strength until it reaches to a superior limit.

13 As the film thickness increases, the transmissivity initially decreases and then becomes stable. The transmissivity of a super hemispheric aplanatic SIL is better than that of a hemispheric SIL.

14 The results showed that the daily change of atmospheric transmissivity was great, it was above 0.80 in fair day and below 0.01 in dusty day.

15 The effect on output power of distribution of space variation(sentencedict.com), crystal length and transmissivity has been discussed in detail.

16 The influence of foreign substance characteristics such as size, position and transmissivity on the optical field is described by the model in various respects.

17 Purple color film and blue glassy-paper have the highest and lowest transmissivity , respectively.

18 On the basis, the relation between the enhancement of stimulated emission as well as transmissivity being greater than one and the abnormal group velocity in photonic band gaps as well as n.

19 For preparing large area CIO films with low resistivity and high transmissivity, we studied the effect of oxygen density and substrate temperature on optical and electrical properties, respectively.

20 High-accuracy spectrometer had been developed for the high-accuracy measurement of spectral transmissivity of filter.

21 It is shown that for the same system, under different bias voltages, the spectra of the electron transmissivity change obviously within a certain energy range.

22 The transverse resolution of two zone leaky annular pupil filter increases with the central transmissivity decreasing, and in common cases axial resol.

23 The relation of the volumetric ratio , reflectivity and transmissivity can be deduced by the conservation law of energy.

24 Transmission of stress wave through the mechanical impact system is studied with the aim to provide an approach to synthesize all parts with the same wave transmissivity as a given part.

25 If the cohesion is at a low level, the transmissivity will increase with the increase of inner friction angle until it reaches to a superior limit.

26 The result shows that it is important that the minerals have the properties of high transmissivity and multi- crystal-granule-colloid structure.