silica fiber 中文意思是什麼

silica fiber 解釋
石英光纖
  • silica : n. 【礦物】硅石，二氧化硅。
  • fiber : n. 〈美國〉 ＝ fibre。
  1. Fiber optic fibers silica multimode step index

    石英系多模態步階式折射率型光纖
  2. Through direct pullout test, we examine the effect of the water to cement ratio, contend of steel fiber and silica fume on the bond behavior ; compare the bond behavior of two types of cfrp bars with difference surface treatment ( r1 bars and g1 bars ), and reprocess the one of inferior bond strength ; investigate the bond stress distribution along the bond length of cfrp bars, and assess the adequacy of some exist analytical models of bond - slip behavior to reproduce the experimental bond behavior

    本文主要通過直接拉拔試驗，考察水膠比、鋼纖維摻量、硅灰摻量以及cfrp筋的表面處理類型等材料參數對粘結性能的影響，並對粘結效果較差的cfrp筋研究了表面處理方法，以提高cfrp筋與rpc的粘結性能;通過在cfrp筋表面粘貼應變片，測定了粘結應力沿cfrp筋埋長的分佈情況，並對現有的粘結滑移本構模型與試驗結果的擬合效果進行了比較。
  3. Purity silica sand, silica powder, micro - silica powder, crystal powder and fused silica lump and powder, etc. these products are widely used as materials for optical glass, optical fiber,

    產品出口日本，韓國，東南亞，歐洲以及美洲市場，主要生產石英系列產品：石英砂硅砂，
  4. The wall was equaled to an elastic composite slab with silica bricks as main body and concrete rib beams, columns and outer frame as reinforcing fiber. ( 2 ) elastic - plastic stage. the wall was equaled to a rigid frame - oblique compression bar model in which concrete frame was equivalent to a rigid frame while silica brick was equivalent to a oblique compression bar

    （ 1 ）彈性階段? ?將墻體視為一種以輕質砌塊為基體，混凝土肋梁、肋柱、外框為增強纖維的復合材料等效彈性板； （ 2 ）彈塑性階段? ?將墻體視為一個由鋼筋混凝土剛架和與之鉸接的砌塊等效斜壓桿組成的剛架斜壓桿組合模型； （ 3 ）破壞階段? ?將墻體視為肋梁嚴重破損的梁鉸框架模型。
  5. The conclusions are as follows : ( 1 ) the compose of rpc has an effect on the bond behavior between cfrp bars and rpc : the bond strength between cfrp bars and rpc will increase with the decrease of water to cement ratio, but doesn ’ t obviously ; the adding of steel fiber can improve the bond behavior between cfrp bars and rpc significantly, but steel fiber will also effect the workability of rpc, consider the bond behavior and economy, the content of steel fiber should be 2 % ;. silica fume can improve the bond strength between cfrp bar and rpc, but the bond strength isn ’ t in proportion to the content of silica fume, in this experiment, the optimal content of silica fume is 0. 25 to 0. 35

    試驗研究得到如下結果: （ 1 ） rpc的材料組成對rpc與cfrp筋粘結強度的影響: cfrp筋與活性粉末混凝土的粘結強度隨著水膠比的降低而提高，但是提高的幅度並不明顯;鋼纖維的摻入，可以顯著提高cfrp筋與rpc的粘結強度，但是鋼纖維的增強效果與摻量並不是線性增加的關系，從綜合經濟性及粘結強度兩方面考慮，鋼纖維的最佳摻量為2 % ;摻入硅灰有利於改善粘結性能，但其摻量有一最佳范圍，在本次試驗中，硅灰的最佳摻量為0 . 25 0 . 35 。
  6. As a result of the plastic optical fiber itself characteristic, the pof is used as the transmission material in short distance communication, has demonstrated the huge superiority in the recent years, thereupon the plastic optical fibre access network is an important developing direction of optical access network of future. the second chapter first to make the comparison among the copper wire, the silica fiber and the plastic optical fiber, pointed out the plastic optical fiber is better in the short distance communication, then introduced the development course of pof in the communication filed, finally proposed the plan scheme of the plastic optic fibre access network of a kind of building

    塑料光纖本身的特點使得其作為短距離通信用傳輸媒質在近些年內已展示出巨大的優勢，於是塑料光纖接入網是未來光接入網一個重要的發展方向。本論文第二章首先對主要的接入網媒質銅線、石英光纖和塑料光纖進行比較，指出塑料光纖在短距離通信方面的優勢，接著介紹了塑料光纖在通信方面的發展歷程，最後提出了一種樓宇塑料光纖接入網的計劃方案。
  7. By formula about effective bandwidth, he get the bandwidth near 1540 nm wavelength, which is 64. 54nm. the bandwidth is more bigger than the gain bandwidth of er - doped silica fiber and fluoride fiber amplifier ( 20nm - 30nm ). it is useful to improve transmitted capacity of information in fiber

    對1540nm處光譜有效帶寬的計算，得到結果為64 . 54nm ，這個帶寬已遠高於目前常用摻er硅光纖和氟化物光纖放大器的20 - 30nm增益帶寬，于擴大光纖信息傳輸容量有很大益處。
  8. A new study of specially spherical - glowing optical fiber is present in this paper, a large core silica optical fiber is melt the ball and is spread all scattering body evenly on the round spherical terminal surface, which is melt the ball to the spherical terminal surface again, thus getting the output optical fiber needed. 4. designing the system of testing the specially spherical - glowing optical fiber

    3 .設計研製了一種特殊球形輸出光纖，實驗中採用大芯徑石英光纖，利用光纖熔接機對石英光纖端面進行熔球，在圓球形端面上均勻塗上光散射體，對所得的球形端面再次進行熔球，從而得到所需要的輸出光纖。
  9. Because this wavelength coincides with the minimum loss window of conventional silica - based optical fiber, many works are currently devoted to the study of er doped materials

    由於此波長與常用的si基光纖的最小傳輸窗口對應，因而吸引了許多研究者從事er摻雜材料的研究。
  10. The borderline w / b ratio for fly ash and silica fume concrete is about 0. 36 and 0. 4, respectively. 5 ) polypropylene fiber can make them quite effective in the suppression and stabilization of microcracks in fresh concrete matrix

    7 ）在室外太陽輻射、 8m / s風速條件下，新拌混凝土的塑性開裂與水灰比有關，水灰比界限約為0 . 4 。
  11. Loose polymer - clad silica fiber

    松套聚合物包層石英光纖
  12. Silica ( sio2 ) is a very promising material used to fabricate the optical waveguide for its low insertion loss, efficient fiber - to - chip coupling, high integration density and compatibility with microelectronic process. it is possible to realize the monolithic integration of optical devices with microelectronic devices and the passive devices with the active ones

    而硅基氧化硅光波導以其低的插入損耗、能有效的與光纖耦合、集成密度高、可以充分利用現已成熟的微電子技術等特點成為較為理想的實現波導結構的材料。
  13. Pcs plastic - clad silica fiber

    塑料包層石英光纖
  14. Preparation and properties of 2d fused - silica fiber reinforced porous si3n4 - sio2 matrix composites

    2基復合材料的制備及其力學性能
  15. The coupling criterion for single - mode pof and silica fiber does n ' t exist because single - mode pof has n ' t been applied widely

    由於目前單模塑料光纖還沒有得到廣泛的應用，也不存在單模塑料光纖和單模石英光纖的耦合標準。
  16. The principle and realization of auto - coupling system for single - mode pof and silica fiber is introduced in this paper. in this system, from analyzing the feedback data of optical power and picture, two fibers can be accurately coupled

    在耦合系統中，上位機控制部分利用光功率計和採集圖像的反饋數據，根據一定演算法對該數據進行分析，從而驅動步進電機，使兩光纖達到精確耦合。
  17. However, the capabilities of single - mode pof or bragg grating of the pof should be tested in the laboratory, the coupling for single - mode pof and silica fiber is required, then the properties of single - mode pof and bragg grating of pof can be tested in the laboratory

    然而在實驗室中，由於要對單模塑料光纖或塑料光纖光柵進行一些性能測試，就需要單模塑料光纖和單模石英光纖的耦合。
  18. ( 6 ) the study of electroplating ni ~ co coating on silica fiber showed that a special pretreatment must be preformed before electroless nickel because of the smooth surface of silica fiber. ( 7 ) a ni - co coating was acquired by means of eletroless and electroplating

    （ 6 ）石英光纖表面電沉積ni - co合金鍍層的研究表明，石英光纖化學性質穩定，表面光滑，化學鍍前必須經過特殊的預處理工藝：脫脂，粗化，敏化，活化，烤烘等。
  19. In modified fiber - optic sensing system, quantitative analysis of the interaction of the analytes with the cladding is the theoretical foundation of fiber - optic mode - filtered light chemo - and bio - sensing. in our study, we took example for the fused silica fiber that we used, to deduce a mathematical expression for mfld

    在修飾光纖體系定量獲取模式濾光信號的理論研究中，我們以我們所用的石英光纖為例，推導了光纖模式濾光信號的理論表達式。
  20. A laser diode with 976nm center wavelength and 2. 03w maximum cw output power is pumping unidirectionally through the couple - imaging system on a double - clad yb - doped silica fiber with a yb - concentration 0. 65 mol % circular inner core, a d - shaped inner clad, and 15m length by f - b cavity. the center wavelength of the fiber laser is 1130nm, and the maximum cw output power is 130. 7mw. an optical - to - optical conversion efficiency of 42 % and a slope efficiency of 63. 4 % are obtained

    用中心波長976nm 、最大連續輸出功率為2 . 03w的ld泵浦源，通過成像耦合系統，單端直腔式泵浦纖芯摻雜濃度為0 . 65mol % 、內包層截面形狀為d形、長度為15米的雙包層摻鐿石英光纖，實現了中心波長1130nm 、最大功率為130 . 7mw的連續激光輸出，光纖激光器的光光效率為42 . 0 % ，斜效率達到63 . 4 % 。
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