波長儀 的英文怎麼說

中文拼音 [zhǎng]
波長儀 英文
ondometer
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  1. X - ray wave length dispersive spectrometer, x

    射線色散譜
  2. The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement

    短基線干涉測角精度受相位差測量精度、基線度測量精度、系統工作(頻率)測量精度等因素的影響,文中,在對原有理論進行分析的基礎上著重分析了基線度測量精度對系統角度測量精度的影響。
  3. The refractive index ( at 632. 8nm ) of cbn thin film with 92. 8 % cubic phase content is measured to be2. 19 by ellipsometer

    用橢偏測得,對于為632 . 8nm的光,立方相含量為92 . 8的氮化硼薄膜的折射率為2 . 19 。
  4. Testing method of accuracy and repetition of wavelength of ra - xt automatic biochemical analyzer

    全自動生化分析準確度和重復性檢測法
  5. A multichannel spectrophotometric system has been designed for semi - automatic biochemical analyzer to carry out high speed measurement

    摘要設計了一種用於半自動生化分析的快速多分光光度系統。
  6. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  7. In this paper we expatiate the importance of using the x - ray to detect the laser - produced plasmas and developing the two - channel elliptical crystal spectrometer ( tcecs ) in the 620 ~ 6200 - ev x - ray region

    本文闡述了利用x射線譜進行激光等離子體診斷和國家863軍口主題研製用於探測0 . 2 ~ 2nm范圍的x射線譜的雙通道橢圓彎晶譜的重大意義。
  8. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強度、同一方向上不同粒子散射的可區分程度來看,在散射式能見度探測器中,工作介於0 . 86 m 2 m ,探測角度選取前向25度40度時,探測的結果將會是比較理想的。第三部分中,使用超橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。
  9. The main works and contributions achieved in this dissertation are concluded as follows : 1. based on the scalar diffraction theory, the mathematical model of optical configuration of transmissive grating interferometer is established. it indicats that moir interference fringes is affected by many parameters, such as grating pitch, light wavelength, light beam size and incidence angle, etc. the variation that the width, intensity, orientation and contrast of moir interference fringes along with every parameter is numerically analyzed

    主要的研究內容和所取得的成果可歸納如下: 1 .基於標量衍射理論,建立了透射式光柵干涉光路的數學模型,分析了透射式光柵干涉的莫爾干涉條紋與光柵柵距、光柵開口比、光、光斑尺寸、光束入射角等多個參數的關系。
  10. General in biochemical analyser test process, firstly, use biochemical reactions hin color response to statistical samples in a particular wavelength solution with the greatest absorption peak, and then use ultraviolet and visible spectroscopic measurements to test the absorbency of material to the specific wavelength, the final adoption of bill law to calculate the corresponding material concentrations

    由於利用了以上先進技術,器的測量速度和精度都有了大大的提高,目前新型生化分析0 . 2秒即可完成一個樣本點的測量,並已經成功實現了雙測量法,提高了測量結果的精度。
  11. One of china ' s largest distributors of laboratory equipment and laser system for major foreign companies

    環球科技代理國外半導體可調諧,飛秒皮秒,固體激光器及計光譜等,具備豐富的售後服務經驗。
  12. The character of fiber laser spectrum is measured by optical spectrum analyzer. the experiment approves the relationship of loss, threshold and lasing wavelength, which is that the higher loss, the higher threshold, and the shorter lasing wavelength

    我們用光譜測量了激光光譜特性,實驗研究了腔損耗及閾值和激射的關系,即損耗越大閾值越高,激射越短。
  13. To detect shorter wavelengths, astronomers must put instruments above the earth's atmosphere.

    要探測到更短的,天文學家們就必須把器送到地球大氣層以外去。
  14. The development and application of the liquid - medium ultrasonic stage recorder

    型超聲期自記水位的研製及應用
  15. Secondly, we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity. as a result, simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature. this device has advantageous of simple design fabrication and low cost et al

    進一步,我們設計了一種新穎的多摻鉺光纖環形激光器,這種激光器是利用mach - zenhder ( m - z )光纖型干涉作為梳狀濾器,並且與復合腔共同選頻,獲得了窄線寬、等間隔的多同時輸出,這種激光器具有在常溫工作,結構簡單,成本低等優點。
  16. The theoretical analysis shows that mz - ifog can be used to detect the rotation rate of moving objects. a systematic analysis of transfer characteristics of mz - ifog is made. performance - limiting factors, including the path - length difference, the disturbance of temperature fluctuation and stress from working environment, the quality of light source, are all discussed along with methods to reduce their effect on the output signal

    本文用系統的方法分析了mz型干涉式光纖陀螺的光傳輸特徵,指出了其較大的非互易性因素-臂差的存在,分析了工作環境因素(溫度,應力) 、光源質量(輸出光束中心、光功率動及偏振態動)對系統工作性能的影響,並指出了減少系統非互易因素、抑制噪聲、提高檢測穩定性的措施。
  17. In vitro injury models of brain slice ( ogd and nmda insult ) and primary neuronal cultures ( nmda insult ) oxygen / glucose deprivation ( ogd ) - induced injury of rat hippocampal slice in vitro the rat hippocampal slices prepared were allowed to recover in the normal artificial cerebrospinal fluid ( acsf ) bubbled with gas mixture of 95 % o2 + 5 % co2 for 1 h, then they were thansfered to glucose - free nacsf which was bubbled with gas mixture of 95 % n2 + 5 % co2. after treatment with ogd, the slices were placed into 2 % ttc solution in dark and incubated at 37 * cfor 1h. the slices were weighted and a 50 : 50 mixture of ethanol / dimethyl sulfoxide was then added to extract the formazan in dark for 24 h

    離體腦片損傷模型( ogd和nmda )及原代培養神經元nmda損傷大鼠離體海馬腦片缺氧缺糖( ogd )損傷大鼠離體海馬腦片制備后,在通氧混合氣的正常腦脊液( nacsf )中恢復60min ,然後移入通氮混合氣的無糖腦脊液(吵化sf )中缺氧缺糖,取出腦片與2 ttc避光37 』 c溫浴60dll ,染色后根據每克濕重加入20ml抽提液(乙醇:二甲亞礬一50 : 50 ) ,在密閉容器內避光置24h ,測量前搖勻后取200pi至96孔板,在490urn,酶標測定各孔od值。
  18. Secondly, according to the basic theory of the general spectrometer, in this paper we discuss the fundamental, the compositions and the characters of tcecs. we analyze the main influencing factors for resolving power, such as the dispersion of the x - ray on the detection circle, spectra location error and the aperture width etc. and we put out the ways to resolving the problems

    接下來,本文根據經典光譜器的基本理論,著重討論了雙通道橢圓彎晶譜的基本原理,及其基本組成和基本特性,並從x射線在探測圓上的彌散度、光度參數與探測角之間的關系、狹縫寬度等方面對譜的精度和解析度的影響作了一定的分析,並提出了解決問題的辦法。
  19. The spectral calibration of the small spectrometer has been completed and resolution, wavelength precision and bandwidth of it are all determined

    進行相關的光譜測量實驗,完成了光譜的光譜標定及解析度、精度和帶寬等性能指標的測定。
  20. Test methods of optical wavelengthmeters

    光學波長儀的試驗方法
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