mechanical dimension 中文意思是什麼

mechanical dimension 解釋
外觀尺寸
  • mechanical : adj 1 機械的;機械制的。2 機械學的,力學的;物理上的(opp chemical)。3 機工的,技工的;自動的;...
  • dimension : n 1 尺寸。2 【數學】次元,度(數),維(數)。3 【物理學】因次,量網。4 〈pl 〉容積;面積;大小,...
  1. Spherulites dimension also decreases due to the chemical changes occurred during pan - milling. viscosity test shows that chain scission occurred during pan - milling, which caused slight reduction of mechanical properties. polypropylene / polyamide 6 ( pp / pa6 ) ultra - fine powder was prepared through pan - milling at ambient temperature

    通過磨盤碾磨在常溫下制備了聚丙烯/尼龍6 ( pp / pa6 )超細復合粉體,其粒徑可通過碾磨時間、磨盤轉速、磨面靜壓力、碾磨溫度等工藝參數控s摘要一制。
  2. 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。
  3. Finally build the foundation to prepare the composites of structure and m - type ferrite with structure and function properties. the constituent phases, microstructure and crystal dimension and crystal coalescence, mechanical properties, magnetic properties of the composites were investigated by means of x - ray diffraction ( xrd ), scanning electron micrograp h ( sem ) and transmission electron micrograph ( tem ), mechanical testing instrument, vibrating sample magnetometer ( vsm ) respectively

    採用xrd技術鑒定復合材料的物相,利用sem , tem來分析srfe12o19及其復合材料的結構形貌,顆粒大小及結合情況,使用伺服材料實驗機、洛氏硬度計及振動樣品磁強計( vsm )測試了復合陶瓷的抗彎強度、硬度及其磁性能,並探討它們之間關系。
  4. Smart materials and structure have definite requirements of sensor components and driving components, for example, they can adhere well to the matrix and have higher strength, fatigue strength, more broad scope of frequency response and faster response speed, etc. piezodielectric ceramics have characteristic of easily preparing, heat - resistance, wet - resistance, high strength and broad scope of frequency response, etc. furthermore, it has piezoelectric effect and inverse piezoelectric effect, namely it can produce electric potential energy when it is transformed by mechanical strength and its mechanical dimension can be transformed when voltage is put on it

    壓電陶瓷能與基體材料很好結合,具有制備容易、耐熱、耐濕、強度高、頻響寬等特點,另外它具有正壓電效應和逆壓電效應,即當它受到機械力變形時,能產生電勢,對它施加電壓時,能改變其機械尺寸,因此它在智能材料結構中既能用作傳感元件又能用作驅動元件。
  5. The research on the properties of the copper nanoparticles / paraffin thermosensitive composite materials reveals : the thermal sensitivity and the thermal expansion are " aried by the cempress moulding in heat condition with the change in density ; the thermal sensitivity is varied by the mechanical milling with the change in particle shape and particle dimension ; the mass ration of copper and paraffin in the composite materials also affects the thermal sensitivity, the thermal expansion and the thermal stability with the change in copper nanoparticles and paraffin interface

    對復合顆粒進行壓力成型后制備的復合材料進行性能測試分析表明:熱壓成型工藝通過改變復合材料的緻密度來影響材料的熱敏性和熱膨脹性。高能球磨工藝主要通過改變球磨時間使銅粒形狀和粒徑發生變化來影響復合材料的熱敏性,以及改變銅粉和石蠟的質量比使納米銅粒和石蠟的復合界面發生變化來影響材料的熱敏性、熱膨脹性和熱穩定性。
  6. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。
  7. Densification process and mechanical properties of large dimension heat - resistant al alloy pipe blank

    大尺寸耐熱鋁合金管坯的緻密化及性能研究
  8. Type, main dimension, material and marking of mechanical seals

    機械密封的型式主要尺寸材料和識別標志
  9. Jdy - 280b double electromagnetic lock product characteristic : strong holding force, no left magnet easily installed, low noise, durable no mechanical failure with signal feed back function applications : can be used with intercoms and access control systems, especially for fireproof door working voltage : 12vdc 24vdc working current : 12vdc 0. 27a, 24vdc 0. 46a power consumption : 3. 3w, 3. 5w, absolutely insulative power supply mode : successively working temperature : - 40 50 dimension : 473 x 45 x 30mm weight : 3920g yiwu qimingxing computer company copy right

    Jdy - 280b雙開門磁力鎖產品特性:吸力強無剩磁安裝方便噪音低壽命長具故障保護功能,無機械故障可具資訊回饋功能鎖狀態有指示燈指示:鎖門時綠燈指示燈亮開門時,紅色指示燈亮帶鎖狀態指示燈及聯網信號輸出適用范圍:可與樓宇對講門禁系統配套使用特別適用於逃生門防火門電氣性能:電氣性能:使用電壓: 12vdc 24vdc電流: 12vdc 0 . 53a 24vdc 0 . 27a絕緣電阻測試: dc500v 1分鐘無擊穿通電形式連續使用溫度: 40 50外形尺寸: 473 x 45 x 30mm重量: 3920g
  10. Secondly, the adjustment device for light path of the measure system is designed and key structure dimension and assemble errors is studied. accordingly, the system mechanical structure is confirmed

    其次,設計了測量系統的光路調節裝置,並進行了主要結構尺寸和裝配誤差的分析,進而確定了系統的機械結構。
  11. ( 2 ) in stability safety analysis the physical and mechanical parameter of the filling materials should adopt the index in natural condition, but after consolidation should adopt the composite physical and mechanical index which is gained with weight method according to the practical dimension of the stone columns and the earth between the stone columns

    認為樁間土的各項物理力學指標採用天然強度,而處理后復合土體綜合強度指標,採用樁體及樁間四川人學f _程碩卜學位論文1幾兩種材料lfu積比法加權值。
  12. Junior college or university degree ; strong production method knowledge ; programming knowledge on cnc machine tools ; 3 dimension control / qc , knowledge in suppliers of mechanical tools and machine tools ; have quality system knowledge able to audit suppliers technically ; prefer experience in industrialization of new products and put in production

    大專或本科學歷,很強的機械製造業知識,熟悉數控機床編程,三維測量質量控制,質量體系知識,能進行質量控制;熟悉機床與刀具的供應商;有新產品導入經驗更佳。
  13. Carbon nanotubes ( cnts ) have attracted great attention in material science and technology for their semi - one - dimension structure, good electrical conductivity, excellent chemical and mechanical properties. especially for their high aspect ratio and emitting electron at low voltage, cnts have been considered as one of the most promising material for field electron source

    碳納米管具有準一維的結構、良好的導電能力、化學穩定性和機械強度,由於其極高的長徑比而且能在較低的宏觀電場下發射電子,因此被認為是較為理想的場發射材料。
  14. Abstract cutter teeth and gear teeth are simplified as mechanical models, the bending deformation at contact nodes is calculated by applying the three - dimension finite element method and analyzing their mechanical condition, the relation curve between shaving force and bending deformation is drawn out

    簡介:摘要將刀齒和輪齒抽象簡化為力學模型,分析其受力狀態,並運用三維有限單元法計算各節點的彎曲變形量。
  15. First, a series of mechanical characteristic tests for lead - rubber bearing was taken. the relations among the mechanical properties of lead - rubber bearing with its different structure dimension and load have been studied

    首先,通過鉛芯橡膠支座的力學性能試驗,系統研究了鉛芯橡膠支座的力學性能與其結構構造及外加荷載之間的關系。
  16. The annular space dimension of mechanical seal

    機械密封腔尺寸
  17. A diagnosis method for mechanical fault based on multy - fractal and renyi dimension

    基於多重分形廣義維數的機械故障診斷方法
  18. Used with general dimension furthest correlation coefficient method and general dimension series single value approach, it is not only the single fault of system state, but also the coupling fault of complicated system state can be diagnosed, classified and identified. it is the new discovery of the multi - fractal theory applied in mechanical equipment diagnosis engineering, and also the new application of series single value approach applied in the field of fault diagnosis in this paper

    運用廣義維數最大相關系數法,廣義維數序列單值優化逼近方法,不僅能對系統狀態的單一故障進行診斷、識別及其分類,而且還能對復雜系統狀態的耦合故障進行診斷、識別及分類,這是本文將多重分形原理應用於機械設備診斷工程中的新的探索,也是優化逼近等數學方法在故障診斷中的新的應用。
  19. A mechanical invention, however advanced, cannot transcend the physical dimension

    因為再先進的機器發明,仍無法超越物質的層面。
  20. Dimension of low - voltage switchgear and controlgear - standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations

    低壓開關設備和控制設備的尺寸在成套開關設備和控制設備中作電器機械支承的標準安裝軌
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