材料曲率 的英文怎麼說

中文拼音 [cáiliàoqūlǜ]
材料曲率 英文
material buckling
  • 材 : 名詞1 （木料） timber 2 （泛指可以直接製成成品的東西; 材料） material 3 （供寫作或參考的資料） ma...
  • 料 : 名詞1 （材料; 原料） material; stuff 2 （喂牲口用的穀物） feed; fodder 3 （料器） glassware 4 （...
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 材料 : 1. （原料） material 2. （資料） data; material 3. （適于做某種事的人才） makings; stuff
  1. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到， pp mmt _ （ ome ）屬于完全插層， pp mmt _ （ om ）與pp ommt的插層程度相近，但是pp mmt _ （ om ）相對較好；通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現，蒙脫土納米片層對pp結晶產生明顯的異相成核作用，結晶能力增強，使pp的結晶溫度和結晶速率提高，結晶度增加，球晶晶粒細化，但是沒有改變pp的結晶形態，三種pp mmt納米復合材料的結晶形態都屬于晶；通過對pp mmt納米復合材料的力學性能測試得知，蒙脫土的加入全面提高了pp的力學性能，缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高，浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大，不過ommt 、 mmtom和mmtc ） me三種蒙脫土對pp力學性能有著不同的改性作用，其中pp / mmtom最好， pp月邊mto崛次之， pp / ommt最低，這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  2. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  3. Secondly, the finite element analysis of composite materials interlaminar stresses is researched in this paper. the interlaminar stresses slightly influenced by the composite materials ' lamella curvature, but not influenced by the distributing form of interlaminar stresses follow thickness are found

    本文在研究復合材料層間應力的有限元分析時，發現復合材料層合殼曲率對層間應力大小有一定影響，但對層間應力沿厚度的分佈形式影響不大。
  4. ( 3 ) the equivalent stress, which is from the coefficients for the spectrum - loads and miner linear accumulated damage rule, an approach for material probabilistic fatigue strength for spectrum loads is suggested. this approach are established by the composed of p - c - s - n curves for extreme maximum model

    （ 3 ）根據譜載荷系數和miner線性累積損傷準則得到的譜載荷下的當量應力的關系，與極大值模型的p - c - s - n曲線相結合，提出了譜載荷下材料概率疲勞強度的表達式。
  5. Imported from germany, elevator kiln produce high frequency, low power loss material : nh2c equivalent to tdk pc44 and high initialpermeability material : nh13a ui 13000. advanced controlling technique of internalatmosphere and temperature curve to ensure its excellent performance, their high quality and stable character will meet telecom and networkcustomers strictly demand. we specialized in manufacturings. m. p. s transformers, inductors

    公司引進德國鐘罩爐設備，採用先進的爐內氣氛控制方法和特殊的氣氛曲線，生產高頻低損耗功率鐵氧體nh2c材料相當于tdk pc44及高磁導率鐵氧體nh13a材料ui 13000 ，充分滿足客戶對網路通訊用磁芯在性能和穩定性上近似苛刻的要求。
  6. It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates

    結果表明，與硅酸鹽水泥相比，由於礦物摻合料與水泥熟料在活性和水化機理上的差異，水化歷程有較大的改變：多組分體系誘導期、加速期和衰減期延長，水化反應速率明顯降低；低溫時，水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰；高溫時，反應速率加快，雙峰合併；進一步研究發現，摻合料的種類與摻量對水化歷程也有較大的影響；建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。
  7. A ; insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 2 : methods specific to polyethylene and polypropylene compounds - tensile strength and elongation at break after conditioning at elevated temperature - wrapping test after conditioning at elevated temperature - wrapping test after thermal ageing in air - measurement of mass increase - long - term stability test - test method for copper - catalyzed oxidative degradation

    電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯與聚丙烯復合物專用方法.第2節:預處理后的斷裂伸長率預處理后的翹曲試驗在空氣中熱老化后的翹曲試驗增加量測量長期穩定性試驗
  8. The results showed that polypropylene content has different effects on the ib, tc, mor and moe

    結果表明，聚丙烯比例對復合材料的內結合強度、吸水厚度膨脹率、靜曲強度和彈性模量有不同的影響。
  9. Frame : strictly high - temperature sterilized, dried ( moisture content 8 % ), fine hard timber is used for sofa ' s frame so that the problems of being insect - eaten, bent or deformed can be avoided and the sofa can have a long life

    骨架材料：均採用經嚴格高溫殺菌，烘乾（平均含水率為8 % ） ，握釘力及靜曲強度高的優質硬木材料做沙發骨架，徹底避免出現蟲蛀、翹曲、變形等質量問題，保證沙發經久耐用。
  10. The camber development mechanism and the influence factors were researched by geometry analysis, viscous analysis and sintering kinetics analysis. the camber model was established and the equation for calculating curvature of camber was proposed. the influence factors for camber involve the original size of composite, the sintering properties and the shrinkage mismatch between the two materials

    從幾何學、粘彈性力學和燒結動力學的不同角度出發，探討了共燒翹曲形成機制和影響因素，建立了介電材料鐵氧體材料疊層共燒翹曲模型和翹曲曲率方程，揭示影響翹曲的因素為形狀尺寸因子，材料的燒結特性和異種材料之間的收縮率差，其中燒結過程的收縮率差是翹曲產生的根本因素，收縮率差越大，則翹曲曲率越大。
  11. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試，得到了常用生土建築材料的密度、比熱和導熱系數等參數值，得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合函數關系式；此外，研究了生土建築圍護結構表面質交換系數實驗測定方法，探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  12. The curve of mix proportion kept away from the restricted zone in order to provide enough voids in mineral aggregate ( vma ) to fill the high content of conductive materials. conductive powder can regard as a part of filler in asphalt concrete

    導電瀝青混凝土的級配設計採用superpave設計方法，合成曲線盡可能遠離禁區，提供足夠的礦料間隙率來填充高摻量的導電相材料。
  13. The authors present the review on dry sliding friction and wear behaviour of particle reinforced aluminum matrix composites in recent years, including friction behaviours, wear mechanisms and applications of these composites

    離子注入是一種新興的束流表面強化技術，離子注入陶瓷材料可使其表面的力學性能如斷裂韌度、硬度、彎曲強度、摩擦學性能等得到改善，它為解決結構陶瓷韌性不足、摩擦磨損率較高等問題開辟了新的技術途徑。
  14. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。
  15. Due to their high aspect ratios and small tip radii of curvature, carbon nanotubes possess marvelous electron field emission properties, viz. low turn - on voltage ( e0 ) and large emission current density ( je ), and have good potential for using as materials in electron emitters of flat panel display

    由於奈米碳管具有極高的縱橫比與極小的尖端曲率半徑，因此奈米碳管有著超乎常態的電子場發射特性，低的場發射起始電壓與大的場發射電流密度，使其為電子場發射平面顯示器的良好材料。
  16. Then, a step - by - step increase of vertical bending curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment

    船體總縱極限彎矩的計算，由於要計及材料的和幾何的非線性因素而變得十分復雜，必須用增量的方法逐步計算，獲得完整的彎矩?曲率曲線后，才能得到總縱極限彎矩值。
  17. On the basis of the research by former people, the work of this paper includes several aspects as follow : throughout a great deal of experiment of the mechanics performance of 2d weave c / sic composite materials laminated plate, we simulated the nonlinear relationship between a and e in the tensile course ; and we inspected the original damages and the damages evolvement ; and we made the statistic analyses of the tensile strength. some important conclusions have been given in the paper

    主要有以下幾個方面：在大量二維編織c sic復合材料力學常規性能的實驗基礎上得到了拉伸實驗中卸載點和卸載模量，卸載模量和加載斜率，加載斜率和應力等之間的關系，並在此基礎上得到了模擬同種材料拉伸曲線的非線性的應力?應變關系；配合我們的實驗過程進行初始損傷和缺陷的檢測以及實驗過程中材料損傷演化過程的動態無損檢測；對我們現有的二維編織c sic復合材料拉伸強度數據進行了分佈擬合。
  18. The material non - linearity constitutive relations of reinforced concrete sections are formulated. the non - linear relationship of moment - curvature and moment - flexural rigidity of a section is modeled

    對鋼筋混凝土截面材料非線性的本構關系進行了推導，截面的彎矩一曲率和彎矩一彎曲剛度的非線性關系則形成了模型。
  19. The paper presents a new comparative method. that is to make the different strengthened forms by externally bonded with different materials reach the same ultimate flexural capacity, and contrast with each load - deflection and moment - curvature curve, which are calculated by paper ' s program. mean

    本文引入新的對比方法，即不同材料的加固在最終均達到同樣的極限抗彎承載力時，比較其各自的彎矩一曲率和荷載一撓度變化情況，並自行編製程序進行計算。
  20. Three advanced issues are studied. they are the statistical distributions for the errors of the average s - n relation fitting into the test data, the maximum value model for the probabilistic model, and the material probabilistic fatigue strength under spectrum - loads

    論文圍繞均值s - n曲線擬合s - n數據誤差的統計分佈模型、測定概率s - n曲線的極大值模型和基於極大值模型的譜載荷下材料的概率疲勞強度的測定三方面，開展了較為深入地研究。
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