obscuration 中文意思是什麼

obscuration 解釋
n. 名詞 1. 黑暗化,陰暗,朦朧;遮蔽;(知識等的)蒙昧化,(真理、語意的)曖昧化。
2. 【天文學】掩星,食。

  1. In many cases, owning to obscuration by the dust, the properties of the central star are uncertain or impossible to determine.

    在許多情形下,由於塵埃的遮擋,中央星的性質是不確切或不可能確定的。
  2. Obscuration - type photoelectric smoke detector

    減光型光電感煙探測器
  3. Deal with the causes of obscuration, not with the sun

    (比如眼翳)需要治理的是障礙的成因,而非太陽。
  4. Fire hazard testing - part 6 - 1 : smoke obscuration - general guidance

    著火危險試驗.第6 - 1部分:煙霧遮蔽性.一般指南
  5. 10. 02 test method for smoke obscuration caused by burning cables in a vertical configuration

    在立式電纜槽中燃燒電纜引起的煙霧遮避性的試驗方法
  6. Fire hazard testing - part 6 - 2 : smoke obscuration ; summary and relevance of test methods

    火災試驗.第6 - 2部分:煙霧不透明度.試驗方法的概要及其相關方面
  7. Occultation complete or partial obscuration of an astronomical object by the moon or a planet

    月球和行星運行時,完全或部分掩蔽背景天體的現象,稱為掩星。
  8. Methods for determination of particle size distribution - recommendations for the filter blockage method mesh obscuration

    粒度分佈測定法.第9部分:過濾器阻塞
  9. Test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber

    密閉單燃燒室中使用錐形輻射源測量煙霧昏暗度的試驗方法
  10. Fire hazard testing - part 6 - 1 : smoke obscuration - general guidance iec 60695 - 6 - 1 : 2005 ; german version en 60695 - 6 - 1 : 2005

    火災試驗.第6 - 1部分:煙霧遮蔽性.一般指南
  11. Determination of particle size distribution of yttrium oxide and europium oxide by sedimentation and light obscuration method

    氧化釔氧化銪粒度分佈測定光透沉降法
  12. It ’ s very important to establish the obscuration ’ s model and analyze its influence to the laser propagation

    因此建立散射點的模型,分析散射點對光傳輸的影響對于建設高功率固體激光裝置具有非常積極的意義。
  13. The effect of obscuration can ’ t be ignored in the high - power solid laser equipment, and we have found the destruct of obscuration to the actual equipment

    高功率固體激光裝置中散射點的影響不可忽略,在實際的裝置中已經看到由散射點引起的破壞。
  14. Standard test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber, with the test specimen oriented horizontally

    使用錐形放射源在有水平放置試樣的單一密閉室內測量煙霧蒙朧性的標準試驗方法
  15. Standard practice on specimen preparation and mounting for pipe and duct insulation for flame spread and smoke obscuration

    防火焰擴散和隔煙管道和導管隔離層的安裝和樣品制備的標準實施規范
  16. The principal work is as follows : ( 1 ) we use the matlab software to establish the obscuration ’ s model through analyzing the character of obscuration on the actual optical component

    論文的主要內容為:一、通過對實際光學元件上散射點的特徵加以分析和統計,用matlab建立了符合實際所需的散射點模型。
  17. The model includes the obscuration ’ s character of position, shape, scale, number, area percent, greyhound, and it also includes the sampling frequency of analyzing the obscuration and the area of optical component

    該模型包括散射點位置,形狀,尺度,數目,散射面積比,灰度,還包括分析散射點的采樣頻率,散射點所在的光學元件面積等特徵。
  18. ( 3 ) based on the theory of linear diffraction, the linear propagation of obscuration is analyzed through equivalent diffraction distances, fresnel parameter, and obscuration ’ s area percent by the optical propagation software

    用中國工程物理研究院研發的光傳輸軟體數值模擬驗證了散射點的衍射規律。三、從散射點線性理論基礎上分析散射點的傳輸規律。
  19. ( 2 ) based on the theory of diffraction, we push over the fraunhofer and fresnel diffraction of obscuration. moreover, the distribution of complex amplitude is given, and the rule is validated by the optical propagation software researched by caep

    二、根據單縫衍射理論推導散射點的夫瑯和費和菲涅耳衍射規律,分別給出了散射點的夫瑯和費和菲涅耳衍射的復振幅分佈情況。
  20. Such conclusion is given : shorten the fresnel shu, shorten the obscuration ’ s area percent and shorten the equivalent diffraction distances will improve the optical quality. ( 4 ) the nonlinear paraxial equation is understood to analyze the n slabs ’ hot - image rule

    得出在高功率固體激光裝置中應縮小散射點的菲涅耳數和散射面積比,控制散射點的等效衍射距離,使散射點接近等效衍射距離為零,即像面的位置。
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