纖度出格 的英文怎麼說
中文拼音 [xiāndùchūgé]
纖度出格
英文
size out of standard-
The function of science and technology progress in economic development is discussed from the economic and technique. this thesis divides four contents. chapter 1 analyzies cobb - dorglas production function and so1ow " worth method in remaining " theories, and introduces this thesis ’ main content. measure to calculate chemical fibre business science and technology progress contribution rate with the " worth method in remaining ", the chemical fibre business annual report data for measure to calculate basic data, calculation method adopt excel, using this method to jilin chemical fibre business in the 1995 - 2005 years science and technology progress the contribution rate proceeds to measure and analyze
本文從技術和經濟相互關系角度論述了科技進步在經濟發展中的作用，著重分析了柯布一道格拉斯生產函數及索洛（ so1ow ） 「余值法」在我國化纖企業中的適用性。針對化纖企業多年以來受產能增加和需求不足的影響而產生的效益滑坡問題，利用企業上市公司年報數據，使用excel表進行數據計算，研究歸納出一種簡捷、科學的測算化纖企業經濟增長中科技進步貢獻率的模型方法。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics. comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests, which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem, the influence of the modulus of geosynthetics, the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement, polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement, glass fiber geogrids for projects allowing low displacement and geonets for secondary projects. ( the confining effect of fill material to act on different kinds of geosynthetics varies largely, which must be considered
（ 1 ）本文利用三軸壓縮試驗，比較各種國產土工合成材料對砂土的加筋效果；利用直剪試驗和拉拔試驗，比較各種國產土工合成材料與砂土或石灰粉煤灰的界面摩擦特性，深入研究土工合成材料的加筋機理，首次明確提出加筋土工合成材料的選型原則； （ 2 ）本文首次系統地研究了石灰粉煤灰與各種國產土工合成材料的界面摩擦特性； （ 3 ）本文採用有限元法，系統研究了加筋模量、軟土地基厚度、基礎寬度等因素對土工合成材料加固軟土地基效果的影響； （ 4 ）本文主要結論如下： （無紡土工織物適合用於允許大變形的加筋土工程；滌綸纖維經編土工格柵和塑料拉伸土工格柵適合用於對變形有較嚴格要求的加筋土工程；玻璃纖維經編土工格柵適合用於對變形有嚴格要求的加筋工程；土工網適合用於低等級的加筋土工程。This paper introduces the status of development of polylaticmacid fibre and the main properties of polylaticmacid fibre, and discusses the key measures to produce polylaticmacid fabric to improve its spinnablity and control dyeing technology parameters during the processes of its spinning and finish
摘要分析了聚乳酸纖維產品的研究開發現狀，介紹了聚乳酸纖維的生產及性能，結合纖維性能的特點，總結出開發服用聚乳酸纖維產品的工藝要點在於：紡紗中要提高紗線的抱合性，染整中應選擇合適的染料及嚴格控制溫度。We have demonstrated a novel voa based on high birefringence fiber loop mirror, which has many advantageous characteristics such as a simple structure, high flexibility, polarization independence, low insertion loss and low price, etc. experimental proof shows that it is convenient to realize the control of optical power by using this voa
2 .利用雙折射光纖環鏡設計並製作了一個結構簡單的可調諧光纖衰減器，具有靈敏度高，偏振無關，低插入損耗和低成本等特性。實驗證明它可以很方便的控制光功率。 3 .提出了一種由布拉格光纖光柵和高雙折射光纖環鏡共同構成波長選擇器件的摻鉺光纖激光器。Chapter four studies the cross sensitivity of strain and temperature effect, and introduces the current temperature and strain separation methods. two methods are put forward and experimented, showing that both two methods could be used under engineering conditions
本文的第四章研究了光纖布拉格光柵的應變和溫度交叉敏感特性，討論了常用的應變/溫度分離方法，並分析了這些方法中存在的問題，提出了相應的解決思路。5. the sensing properties of multimode fiber gratings was investigated experimentally and theoretically in this paper. experimental results show that the bragg wavelength of grating in multimode graded - index fiber is linearly dependent on its temperature and axial strain and its repeatability is good
五、對多模光纖光柵的傳感特性進行了實驗研究與理論分析，結果表明這種光柵三個反射峰的布喇格波長隨溫度和軸向應變變化均呈現出良好的線性關系，並且重復性相當好。Zno is promising : high - quality zno with very low defect densities can be synthesized at much lower temperature ; zno can emits light with shorter wavelength than blue light emission from gan ; zno has higher excitonic binding energy promising strong photoluminescence from the bound excitonic emissions even at room temperature ; by alloying with mgo, tuning of the band gap while keeping the zno hexagonal structure can be achieved by forming mgxzn1 - xo. as we know, band gap tuning is important to produce efficient and lasting light emitting diodes ( led ) and other electronic devices
利用mg _ xzn _ （ 1 - x ） o薄膜，可以在保持zno六方纖鋅礦（ wurtzite ）結構的同時有效調節調節薄膜的禁帶寬度，制備出基於氧化鋅的量子阱、超晶格及相關的光電器件，如基於氧化鋅的紫外光探測器、紫外發光二極體和紫外激光二極體等光電子器件。Two different reinforcing methodologies are applied : modification of the overlay characteristics by adding chopped glass fibers to the hot mixture asphalt ( hma ) and reinforcing asphalt overlay with glass grids. theory of fracture mechanics ( fm ) is employed to determine crack growth rates for the suggested anti - cracking overlay systems. asphalt mixture designing tests, three point bending tests and fatigue crack propagation tests were carried out. the critical stress intensity factors kic are determined for plain and reinforced asphalt concrete. depending on the fatigue crack propagation, the crack growth rate is determined for each type of anti - cracking system and the cracking process is also analyzed. one of the significant points in this study is the attempt to give better understanding of the crack propagation for multilayer asphaltic overlay or what are suggested herein to be called composite structure anti - cracking overlay system. the results indicate that the reinforcing materials improve anti - cracking characteristics of the asphalt concrete. composite structure anti - cracking overlay gives a good solution for the reflective cracking phenomenon over old cracked pavements
利用2種不同的方法加筋瀝青罩面:在瀝青混合料中加入短切玻璃纖維改善瀝青混凝土的特性，採用玻璃格珊加筋瀝青混凝土.應用斷裂力學方法分析瀝青路面裂縫擴展機理.採用瀝青混合料設計試驗、三點彎曲試驗和疲勞裂縫擴展試驗，確定加筋瀝青混凝土的臨界應力強度因子kic ，測量每一種瀝青罩面抗裂系統的裂縫擴展速率.本研究的主要特點是提出復合型抗裂罩面系統，分析了多層加筋瀝青罩面裂縫擴展過程，推薦了若干瀝青路面抗裂系統.結果證明，加筋材料可以提高瀝青罩面的抗裂特性，復合型抗裂罩面系統能夠有效地阻止反射裂縫的擴展The bragg wavelengths can be simulated by using coupled - mode theory and the results agree on the experiments. theoretical simulations show that the temperature dependant characteristics of few - mode fiber bragg gratings are similar to those of single - mode fiber bragg gratings. that is, each bragg wavelength shifts as a same rule when the temperature varies and the whole spectrum can maintain its profile
理論上的推導還給出了少量模光纖光柵的溫度依賴特性與單模光纖布拉格光柵的溫度依賴性相似，得到的結論為在少量模布拉格光纖光柵均勻受熱時，它的幾個反射峰具有相同的溫度漂移，而且這個透射譜的形狀不因為溫度的改變而改變。In this article, we have proposed and demonstrated a fiber bragg sensing structure that allows for temperature of concrete or smart structure
在本論文中，我們提出了一種光纖布拉格光柵溫度傳感系統。我們使用了兩組光纖光柵傳感頭。分享友人