膨脹溫度系數 的英文怎麼說
中文拼音 [péngzhàngwēndùxìshǔ]
膨脹溫度系數
英文
expansion temperature coefficient- 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
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 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...
- 溫度 : [物理學] temperature
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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And due to the heat expansile coefficient of the stainless steel rather high, the connecting force between the stainless steel pipe and the pipe coupling in the room temperature is much less than that between the titanium alloy pipe and the pipe coupling. the results accord with the tensile experiments well. finally, the dependence of dimensions of the coupling on the strength of the connector system is analyzed
模型計算還表明,被接管材料和管接頭材料之間的熱膨脹系數的差異會造成管接頭系統的室溫強度低於高溫強度;由於不銹鋼的熱膨脹系數較大,使得室溫下1不銹鋼管與n立tinb形狀記憶合金管接頭間的抱緊力遠小於鈦合金管與nitinb形狀記憶合金管接頭間的抱緊力,成功地解釋了拉脫實驗中的結果。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。A very low linear expansion coefficient sample carrier made from invar, ensures that temperature change has no effect on the sample position
由不脹鋼製成非常低膨脹系數的樣品載臺保證溫度變化對樣品的位置沒有影響。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The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases : ( 1 ) making the refractory point decrease linearly and, to some extent, influencing the microstructure and properties of sintered body ; ( 2 ) acceleratingmullite formation during sintering, reducing thermal expansion coefficient of bond, reinforcing the matching nature and improving the flexural strength and shock strength ; ( 3 ) preventing sic grinding tool from generating black core, expanding suitable sintering temperature range of sic grinding tool
同時,也不同程度地影響了磨具燒結體的微觀結構和性能; ( 2 )可促進在燒結過程中莫來石的形成,降低結合劑的熱膨脹系數,加強了結合劑與磨料的匹配性,提高了磨具的抗折強度和抗沖擊強度; ( 3 )在一定溫度范圍內還可防止碳化硅磨具出現黑心現象,拓寬了碳化硅磨具的燒結溫度適應范圍。The t - r characteristics may originate from the total function of volume expansion and temperature susceptibility of asphalt, the deference of volume expansion coefficient with heat between asphalt and graphite, and internal stress
而溫敏產生的原因則為瀝青的體積膨脹、石墨和瀝青的熱膨脹系數差異、內部應力和瀝青溫度敏感性共同作用的結果。The measuring element of the bimetal thermometer is a quick reacting bimetal coil. it is manufactured from two cold - welded metal strips with different thermal expansion coefficients and rotates in proportion to temperature
雙金屬溫度計的測量元件是一個快速反應雙金屬線圈,由兩根不同熱膨脹系數的金屬條冷焊在一起,根據溫度比例旋轉。Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le
對于不同工質的冷藏集裝箱製冷系統,電子膨脹閥應該根據具體製冷劑的熱力性質選取;電子膨脹閥流量系數對孔徑和脈沖數比較敏感;在結構固定時,流量系數隨蒸發溫度的降低而升高,隨冷凝溫度的增加而增大,受過冷度變化的影響較小;電子膨脹閥的容量受孔徑影響最大。The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。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In metal matrix composites, thermal residual stresses will arise due to get ( coefficient of thermal expansion ) mismatch between matrix and fiber during cooling
在擠壓鑄造的金屬基復合材料中,由於基體和纖維的熱膨脹系數相差很大,所以在制備過程中由高溫(工藝溫度)冷卻至室溫時復合材料中會有熱殘余應力產生。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。Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes
本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。Thermal expansion and its evolution of c / sic composites have been studied by such analytical methods as thermal dilatometer and sem, based on thermal stress and micro structure evolution in c / sic composites. the influence of perform structures, heat treatment and interphase thickness on thermal expansion of c / sic composites has been analyzed
本文採用熱膨脹儀和掃描電鏡( sem )等分析手段,從材料界面熱應力的變化和微結構改變的角度,研究了c sic復合材料的熱膨脹系數及其隨溫度的演變規律,分析了其演變機理,以及編織結構、高溫處理工藝和界面層厚度等對復合材料熱膨脹行為的影響。They will short down the working life of air compressor because they are always started or stopped when we want to make the railway carriage stay in a fixed temperature. now, automatic and intelligent control systems are being applying in bus air - conditions control. in this way, computers control the work of air compressor, the turnaround speed of fan, the open degrees of wind controlled doors and so on
我國大多數客車空調仍然採用簡單的壓縮機開關控制及循環離合控制系統,如:離合器?熱力膨脹閥系統( cctxv )和離合器?節流管系統( ccot ) ,這些控制方式的精度低,當進行恆溫控制時壓縮機處于頻繁的開、停狀態,縮短了壓縮機的工作壽命。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3The results demonstrate that the theory predicted values of compression, bulk modulus, linear expansion, and thermal expansive coefficient of compressed solids are very agreement with the corresponding experimental data. in summary, the error with respect to theory prediction and its causes are pro bably analyzed in detail. the discussion suggests that the function of the phenomenological short - distance repulsive force constant a ( v ) and approximation for anderson - griineisen parameter 5t ( v ) proposed in this paper are valid and applicable in high pressures ( up to loogpa ) and high temperatures ( from debye temperature 0d to melting temperature tm ) for many types of solids
在本文最後一節,為了驗證固體在等壓過程中anderson grhneisen參量乓與體積膨脹的唯象假設:乓久w兀的有效性,及由此假設而推導出來的等壓態方程的廣泛應用性,本論文主要針對十六種堿金屬鹵化物、三種堿性氧化物、三種硅酸鹽礦物質的線膨脹八n 、體積熱膨脹v vo ( n 、熱膨脹系數a ( n 、體積彈性模量肘d等隨溫度的變化作了理論上的預測,且與相應的實驗數據作了比較與分析The windows based linksys and real time video software allow the user to have complete motorized control over the sample position to with 3um and the temperature to within 0. 1 c
由不脹鋼製成非常低膨脹系數的樣品載臺保證溫度變化對樣品的位置沒有影響。Abstract : the influences of curing temperature and alkali contents of cement on expansion of mortar bars are investigated
文摘:研究了養護溫度和水泥堿含量(質量分數,下同)與硅質集料砂漿試樣膨脹的關系。分享友人