composite contact 中文意思是什麼

composite contact 解釋
復合觸點
  • composite : adj 1 併合的,復合的,混成的,合成的,集成的。2 【建築】混合式的;【造船】鐵骨木殼的。3 【植物;...
  • contact : n 1 接觸;聯系;交涉。2 〈美國〉(有勢力的)熟人;門路。3 【數學】相切;【電學】接觸;觸頭;觸點...
  1. On the contact resistance between graphite polypropylene composite plate and carbon paper

    聚丙烯復合板與碳紙間的接觸電阻
  2. The particles distributed hi the matrix of grey cast iron, but some contact each other. the composite layer extend gradually into the substrate. when volume fraction of wc is 36 wt % and 27 wt %, the matrix of the composite is high chromium cast iron, consist of white carbide bars and the austenite. wc particles distributed uniformly, retaining approximately quondam granular form in the composite layer which has an evident interface area with the substrate, with good bonding strength

    對不同碳化鎢體積分數的灰鐵和低鉻鑄鐵基復合材料的微觀組織結構分析表明:碳化鎢體積分數為52時,復合層內基體為灰口鑄鐵組織,顆粒直接分佈在灰鐵基體上,部分碳化鎢顆粒有相互接觸的現象,基材與復合層之間沒有明顯的過渡;碳化鎢體積分數為36 、 27時,復合層內基體為高鉻鑄鐵,由面塊狀的奧氏體和白條狀碳化物組成,碳化鎢顆粒表面固溶於基體組織中,粒形基本保持完整,分佈均勻,與基體構成冶金結合,基材與復合層之間存在一個明顯的平緩過渡區。
  3. And the generalized homothetic composite action of metallogenic subsystems mentioned above formed the multiple - composite metallogenic system of the jiangda tectonic belt. the typical ore deposits of jiangda tectonic belt, such as dingqinnong, jiaduoling, renda etc, are contact metasomatic type deposits formed intracontinental rifting stage, and the tectonic - magmatic - hydrotherm of intracontinental orogenic stage superposed and rebuilt some preexistent ore body. their space distribution is controlled by composite intrusive rock belt of ne direction

    對丁欽弄、加多嶺、仁達等典型礦床的研究表明,它們均為形成於陸內裂谷作用階段的接觸交代型礦床,陸內造山期的構造?巖漿?熱液作用疊加改造了先成礦體,礦床空間分佈受北東向復合侵入巖帶控制。
  4. The sort, material composite, structure properties and conduction mechanisms of eca ( electrical conductive adhesive ) were discussed in this paper. then three types of ega specimens were designed and made, on which temperature cycles test from - 55 ? to + 125 ? and thermal aging at + 125 ? were carried out. changes of the adhesive strength, eca ' s bulk resistance and contact resistance under the environment stress were summarized and a detailed evaluation on these specimens was given

    本文在全面闡述導電膠的分類組成、物理結構、導電機理的基礎上,設計並製作了三批導電膠樣品,通過對樣品進行長時間的- 55 ? ? + 125溫度循環和125高溫存儲試驗,總結了導電膠粘接強度、體電阻和接觸電阻在環境應力下的變化規律,對三類樣品的長期可靠性做出了全面的評價,並結合導電膠電阻率和「穿流閾值」的計算機模擬,給出了提高導電膠可靠性和電導率的建議,介紹了國內外在高電導率高可靠性導電膠研製方面的一些最新進展。
  5. Technical specifications of long rod suspension composite insulators for overhead contact system of electrified railways

    電氣化鐵道接觸網用棒形懸式復合絕緣子
  6. 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 。
  7. The technique of producing metal matrix composite include powder metallurgy, casting ( including stirring casting process, in situ contact reaction process, liquid - phase metal infiltration process, co - spray deposition forming process ), reaction mechanic alloying process

    制備金屬基復合材料的工藝分為粉末冶金法、鑄造法(鑄造法細分為攪拌鑄造法、原位接觸反應法、液相浸滲法、共噴射沉積法) 、反應機械合金化技術。
  8. The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project

    黃土地區的高等級公路建設中經常遇到濕陷性黃土問題,其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降,直接影響路基、構造物等的正常使用。針對此問題,本文依託甘肅讒口至蘭州柳溝河高速公路建設工程,對橋基灰土樁復合地基應用的可行性進行了深入分析,根據具體工程進行了合理的設計與計算,並配合現場靜載荷試驗及壓力盒實測數據,探討了基底應力分佈規律,樁土應力比,變形模量的變化關系,對比分析了單樁、單樁復合和雙樁復合的p ? s關系,對橋基灰土樁復合地基承載力進行了整體評價。
  9. On the basis of composite exploration methods with gravity prospecting electric survey and setsmic prospectlog in mount liupanshan basin, a geophysical joint inversion method is applied to research and solve the problems about the contact relation between the basin and the mountain, distribution of faults and deep target strata, favorable structural trap features, and so on, which will provide a scientific basis for arrangements of oil and gas exploration

    摘要在六盤山盆地進行重力、電法和地震綜合勘探的基礎上,應用地球物理聯合反演方法研究和解決盆山接觸關系、斷層分佈、深部目的層分佈和有利構造圈閉特徵等問題,為油氣勘探部署提供科學依據。
  10. The change of residual contact pressure of bimetal composite pipe under the action of heat load in this article, the possibility of separation between two metal layers in temperature cycle was researched ; it has been shown that under heat loading condition, it has a limit working temperature

    摘要分析了在熱載荷作用下雙金屬復合鋼管結合強度的變化,研究了經歷溫度循環后內外層管之間出現松脫的可能性。
  11. On the basis of analysis of design criterion of shaft washer and housing washer of tandem composite type cylindrical roller thrust bearing, we present a mathematic model for optimal design in accordance with line contact requirement for cylindrical roller and race, design the washers thickness and thickness variation angle by the search algorithm of constrained stochastic direction

    摘要在分析串聯組合型推力圓柱滾子軸承軸圈和座圈設計準則的基礎上,按滾子與滾道線接觸要求建立其最優化設計數學模型,採用機械優化設計中的約束隨機方向搜索法計算軸圈和座圈的厚度、厚度變化角。
  12. Based on the formula which is used to compute the lateral resistance of single pile deduced by wang qitong, a formula is setup whose precondition is that the pile and the lateral soil directly around the pile deform in - phase. on the basis of that the contact stress of the foundation is equal, a formula that can be used to conform the stress - ratio of the composite ground is set up, on the same time, the principles of the deformation harmony of the soil and the piles in the composite ground are also discussed. combining with results of this test, a formula which can calculate the bearing capacity that considering the effect of group piles of the composite ground is also deduced

    視攪拌樁樁體為均質彈性介質,推導了復合地基中單樁有效樁長的理論計算公式;根據王啟銅柔性樁樁側摩阻力計算公式,以樁側土與樁體協調位移為前提推導了柔性樁樁側摩阻力的計算公式;以基底接觸應力均勻分佈,樁體、樁間土均質為前提,討論了樁,土協同工作原理,從而得出復合地基樁、土荷載變形特性,以及樁、土應力比計算公式;結合本次試驗,通過計算加載時樁體與土體的荷載分擔情況以及在極限狀態下樁土承載力發揮值,提出考慮群樁效應的攪拌樁復合地基承載力計算公式。
  13. Three - dimensional contact analysis of composite piston with steel crown and nodular cast - iron skirt

    鋼頂球鐵裙組合活塞的三維接觸分析
  14. Compared with uncoated graphite, contact angle with water of all of the composite particles are much smaller and decreased gradually with the increase of the coating amount

    包覆后,各類復合粉體與水的接觸角都比未處理石墨低,而且隨著包覆率增大,接觸角有進一步降低的趨勢。
  15. Analysis on contact damage problem of composite plates

    復合材料層合板接觸損傷問題的分析
  16. Composite liners ( a geomembrane in intimate contact with a mineral liner ) have been frequently used in landfills

    摘要土工膜和粘土襯里組成的復合襯里已廣泛用於填埋場的防滲。
  17. The uv - vis spectra, contact angle test and afm analysis indicated that all the films so prepared had a layer - by - layer structure. transmission electron microscopy ( tem ) analysis revealed that zno nanoparticles were equally distributed in the composite film

    採用紫外一可見光譜wv vis ) 、接觸角測試、原子力顯微鏡( mm )等分析技術對納米復合濕敏膜進行了表徵,發現四個納米自組裝復合膜體系都是層層交替結構, zno納米粒子均勻分散於有機無機自組裝膜中。
  18. Reseach on composite elements of outdoor contact space environment of residential district

    居住小區室外交往空間的環境組成要素研究
  19. Cu - al2o3 metal matrix composite is widely used as electronic packing material, or electrodes and contact terminals, because of the combination of high electrical and thermal conductivity as well as high strength

    Cu - a1 _ 2o _ 3復合材料具有高的強度和高導電性及優良的抗電弧性能,廣泛應用於電子封裝材料、電極和電接觸材料。
  20. Based on the experimental study and inelastic theory, the ultimate flexural capacity of steel encased concrete composite beams are derived. the difference between steel encased concrete composite beams with full shear connection and beams with partial shear connection, together with the relationship between the inelastic neutral axis of steel parts and concrete parts, are considered in the formulae. the calculation results of the eight specimens with full shear connection and the three specimens with partial shear connection are in good agreement with the experimental data, which validates the effectiveness and efficiency of the proposed calculation methods. furthermore, the nonlinear finite element analysis of the ultimate flexural capacity of the steel encased concrete composite beams is performed. nonlinear material properties and nonlinear contact properties are considered in the finite element analysis. the finite element analytical results also correlate well with the experimental data

    基於外包鋼混凝土組合梁的試驗研究和塑性理論,按照鋼梁和混凝土塑性中和軸相對位置的不同,分別推導了完全剪切連接和部分剪切連接的外包鋼混凝土組合梁的正截面極限抗彎承載力的計算公式,並對外包鋼混凝土組合梁進行了非線性有限元分析,分析中重點考慮了材料非線性和接觸非線性. 8根完全剪切連接和3根部分剪切連接試件的正截面極限抗彎承載力的計算結果及有限元分析結果與試驗結果吻合良好
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