線膨脹系數 的英文怎麼說

中文拼音 [xiànpéngzhàngxìshǔ]
線膨脹系數 英文
coefficient of linear expansion
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 膨 : 動詞（物體的長度或體積增加） expand; swell
  • 脹 : 動詞1. （膨脹） expand; dilate; inflate 2. （脹大） swell; distend; bloat
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 膨脹 : expand; swell; dilate; inflate; puff; bulge; inflation; expansion; dilatation; buckling; swelling...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Treating the anharmonic terms of potential energy as perturbations, and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation, the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper

    摘要將原子間相互作用勢的非諧項作為微擾，運用聲子數表象中的晶格原子振動位移和晶格振動哈密頓公式，推導了納米晶體線的熱膨脹系數公式，並進行了數值計算。
  2. Abstract : based on the present possessed experimental data of steels with their different major chemical composition, this article formularized the calculation of linear expansion coefficients of fine carbon steels and low alloy constitutional steels through a series of alternate analysis, generalized statistics, curve superimposition and mathematical modeling

    文摘:對優質碳素結構鋼和幾類低合金結構鋼，在現有實驗數據的基礎上，通過迭代分離、綜合統計、圖象分析和數學擬合，得出按鋼的主要化學成分確定其線膨脹系數的計算關系。
  3. The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation

    利用建立的rogowski線圈的數學模型對溫度和外界干擾磁場的影響進行了分析，得出了溫度造成的相對誤差與線圈骨架和繞組線圈熱膨脹系數之間的關系;從兩個方向上分析了干擾磁場對線圈精度的影響;分析了溫度對積分器的影響等。
  4. The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 ， al2o3 ， b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze

    採用發射光譜儀對進口低溫透明釉進行半定量分析，並用原子吸收光譜儀測定其陶瓷製品的鉛、鎘的溶出量，分析化學成分對鉛、鎘溶出量的影響.結果表明，進口低溫透明釉採用低鉛配方不能解決鉛溶出量的超標問題，只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝，研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含量，對釉的線膨脹系數、熔融溫度和透明度等性能的影響.分析坯料、釉料的線膨脹系數及其相互關系和釉料制備的工藝，研製出優質的1000 1050低溫無鉛透明釉
  5. Colourless optical glass test methods - linear thermal expansion coefficient and trasformation temperature

    線膨脹系數和轉變溫度測試方法
  6. Colourless optical glass test methods - linear thermal expansion coefficient and transformation temperature

    無色光學玻璃測試方法線膨脹系數和轉變溫度測試方法
  7. In this paper, the target radiate characteristics and waveband selection of the infrared system reviewed briefly ; the suppression of the stray radiation in the infrared sub - system is discussed ; the material selection, the support structure and optimization of the primary mirror in the infrared sub - system of the theodolite, every factor which will affect the surface figure of the mirror is discussed in detail and get the result that in the circumstance of shooting range, the primary factor which affects the surface figure of the mirror in the infrared sub - system is temperature changing, this ca n be resolved by using material of low expansion coefficient and using same material in the mirror and the mirror seat

    本文將對紅外系統的目標輻射特徵分析和波段選擇進行簡要回顧，討論紅外系統中雜散輻射的抑制，並詳盡分析經緯儀紅外光學系統設計中所涉及到的反射鏡的材料、支撐、結構和優化設計等問題，認真討論和分析影響主鏡的面形精度的各種可能因素。並指出：在靶場環境下影響經緯儀紅外分系統主鏡面形精度的主要原因是溫度的變化，這種情況可通過選擇低線膨脹系數的材料並且使鏡座和反射鏡採用相同的材料予以解決。
  8. Determination for coefficient of linear expansion of plastics

    塑料線膨脹系數測定方法
  9. Glass fiber reinforced plastics - average

    玻璃鋼平均線膨脹系數試驗方法
  10. Small liner swollen coefficient, good shape, and not easily sweating

    線膨脹系數小，較不易變形與冒汗
  11. Thermal expansion measurement of polymeric foams at low temperature

    泡沫塑料材料的低溫線膨脹系數測定
  12. Coefficient of liner expansion x10

    線膨脹系數x10
  13. Fiber - reiforced plastics composites - determination for mean coefficient of linear expansion

    纖維增強塑料平均線膨脹系數試驗方法
  14. As the content of vermiculite minerals was about 3 %, the impact strength ( nick ), the flexural strength and the heat distortion temperature ( hdt ) of the nanocomposites all were the lowest and decreased 21 %, 28 %, 3c, respectively. compared with those of the polybenzoxazine ( bisphenol a type ), its thermal expanded coefficient ( tec ) was 3. 4 % bigger than that of the polybenzoxazine ( bisphenol a type )

    雙酚a型ben蛭石納米復合材料的力學性能和熱性能表現出明顯的結構特徵，普遍地低於純樹脂的性能數值，而優于雙酚a型ben金雲母復合約zi和zs 「熱變形溫度dt ）低約3 ，線膨脹系數高約3
  15. Besides, the calculating formulas for corrosion and acid proof steels are also set up

    此外，對不銹耐酸鋼的線膨脹系數也建立了計算式。
  16. Test methods for properties of structure ceramic used in electronic components - test method for mean coefficient of linear expansion

    電子元器件結構陶瓷材料性能測試方法平均線膨脹系數測試方法
  17. It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system

    本文通過分析像移產生原因、研究像移補償原理，確定像移補償方案，並根據像移補償原理設計補償機構；分析與設計掃描反射鏡系統結構，根據材料線膨脹系數一致原則，選擇反射鏡及其背部支撐的材料；由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速，根據負載力矩確定電機的額定轉距，綜合電機外型尺寸等因素，確定執行元件? ?電機的型號；根據所選電機的參數指標，設計1 ： 6速比的減速器；利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化；設計反射鏡柔性支撐結構，並通過軟體分析支撐結構的力學特性，驗證反射鏡柔性支撐結構設計的合理性；從原理上研究掃描反射鏡控制系統功能；進行系統精度測試，測試結果表明掃描反射鏡系統設計的合理性。
  18. The modified epoxy resin materials with hg and hgh have first been preformed. properties test results show that the electricity properties and heat distortion temperature are improved by addition of hg or hgh in the epoxy resin materials, and the materials containing hg or hgh have lower linear thermal expansion coefficiency compared with neat epoxy resin

    首先通過共混技術，分別用普通硅微粉和活性硅微粉制備出填充改性環氧材料，實驗結果表明，填充改性后，耐熱性和電性能明顯提高，線膨脹系數顯著降低。
  19. Which has high strength, good ductility, impact bearing, erode - bearing, besides, its linear expanding coefficient is almost equivalent to concrete, and it has excellent performance - price ratio etc. this paper is related to 8 rc - poles wrapped by gfrp ( sgfw430 ) and rc - poles are compressed axially, in order to analyze the influence of different stick layer over the pole ' s work performance and the influence between three type axial compress ratio ( 0, 0. 8, 1. 1 ) with one layer gfrp with the contrast poles about limit load - bearing capability, failure state, ductility, section stiffness, restrict losing owing to stress - difference

    其具有強度高，延性好；抗沖擊、耐腐蝕；線膨脹系數與混凝土接近；性能價格比高等多個特點。本文通過8根外包單向gfrp （ sgfw430 ）的rc組合柱，以及混凝土對比柱在軸心荷載作用下的試驗為基礎，具體詳細地分析柱子在粘貼不同層數的高性能玻璃纖維和在不同的軸壓比（ 0 、 0 . 8 、 1 . 1 ）下粘貼一層的高性能玻璃纖維后混凝土組合柱相對對比柱在極限承載能力、破壞形態、延性、截面剛度、應力差帶來的約束損失等方面的變化情況。
  20. 4 coefficient of linear expansion : - at a temperature of 20 ? c, the coefficient of linear expansion of standard annealed copper is 0. 000017 per degree centigrade

    線膨脹系數：在溫度20的情況下，標準退火銅的線膨脹系數應是0 . 000017每攝氏溫度。
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