預熱塑 的英文怎麼說

中文拼音 []
預熱塑 英文
preform
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 動詞(塑造) model; mould
  1. Configuration of plastic packaged mould. pre - heating unit

    封模具結構.
  2. Standard specification for preformed thermoplastic vulcanizate elastomeric joint seals for bridges

    橋用硫化彈性體密封件的標準規范
  3. Note the compression condition may be difference, because the shape, dimension, and usage of produce were difference, the condition adjustment must under the premise that did not reduce the product quality

    注:模后,須在模具中合模20 - 40秒後排氣再加壓。
  4. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓速度、液態金屬澆注溫度、制體溫度和模具溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘性有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  5. Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application

    、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法測.這里研究了簡化的1 / 8模型,模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元測結果和實驗數據具有可比性.範例研究表明,硼硅堆導致產生一定的非線性,但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏性將會導致傳感器輸出的滯后和漂移誤差.然而,在相對穩定的環境下,軟黏合劑對傳感器的影響可以忽略.此外,詳細的設計和過程信息有助於提高模型的適用性
  6. This paper summarized the characteristics of continuous fiber reinforced thermoplastic matrix composite ( cfrtp ), the development of its raw materials, the existing preparation techniques at home and abroad and its application foreground in civil engineering field

    摘要本文綜述了加固用連續纖維增強性樹脂基復合材料( cfrtp )製片材的特點、原材料的發展情況、國內外現有的制備技術。
  7. En iso 12115 fibre - reinforced plastics. thermosetting moulding compounds and prepregs. determination of flowability and shelf life

    纖維增強料.固模混合物和浸料.流動性和貯藏壽命測定
  8. According to the serial - parallel, fourier law and equivalent thermal conductivity principles, the theoretical model of heat transfer for thermal conducting plastics and the theoretical formula of the predicted thermal conductivity could be built up by analyzing a thermal conducting element

    摘要運用等效導率法則,對填充型導料中的一個導單元進行分析,根據量傳遞的串並聯原理及傅立葉定律,建立導料中量傳遞的理論模型,推導出測其導率的理論公式。
  9. Adhesives for preformed cellular plastics thermal insulation board

    制泡沫料絕板用粘合劑
  10. This segregation behavior of sn accords with the mechanism of non - equilibrium segregation. it can be obtained through the theoretical calculations that the critical time of sn non - equilibrium segregation is 124 seconds at 750 and the critical cooling rate is 8 / s when cooling from 1320. it is suggested that controlling the cooling rate during continuous casting to avoid the critical cooling rate ( 8 / s ) and avoiding high stress near the trough temperature ( 750 ) may control the form

    通過研究殘留元素sn的偏聚機制及其對o . 15wt . % c鋼性的影響,對試驗鋼進行脆性測:建議在該鋼的連鑄過程中彎道矯直溫度盡量避開性谷底溫度750 ,二冷區的冷速盡量避開臨界冷卻速率8 / s ,從而可以減少該低碳鋼連鑄坯表面裂紋和橫向裂紋,提高其成材率。
  11. Kinetics of thermal degradation of special engineering thermoplastics ppesk and ppes and life estimation

    新型特種工程料聚芳醚碸酮和聚芳醚碸分解動力學及壽命
  12. The effect of plastic deformation and elastic strain energy induced by pre - strain on the nucleation of martensitic transformation of low alloy ultra - strength steel sosimncrmov had been studied by pre - strain quenching in austenite state. the control over deformation magnitude and deformation temperate as well as loading pattern was performed to adjust the storage of elastic strain energy in steel before martensitic transformation, using the type of geeble - 1500 thermal analogue test machine

    使用gleeble - 1500型模擬機,對低合金超高強度鋼30simncrmov實施奧氏體應變淬火處理,通過控制形變量、形變溫度和加載方式,調整鋼中馬氏體相變前的彈性應變能儲備,研究了應變所造成的性變形與彈性應變能對馬氏體相變的影響。
  13. Before plastic optical fiber widespread application, each kind of plastic optical fiber coupler must be used surely, at present the important method to manufacture the plastic optical fiber coupler is fused elongated taper. if adopt this kind of method, the conversion efficiency between the core modes and the cladding modes is low. one of the methods to solve that is

    料光纖廣泛應用之前必然運用到各種料光纖耦合器,目前熔融拉錐法是制備料光纖耦合器的重要方法,然而此種方法存在纖芯模與包層模的轉換效率比較低的問題,解決這問題的一種方法是對料光纖進行拉錐。
  14. The book also considers forming technologies for various composite material forms including thermoset and thermoplastic prepreg, molding compounds, and composite / metal laminates

    該書還認為成形技術,為各種復合材料的形式,包括固性和浸料,成型化合物,並復合/金屬層板。
  15. Aerospace ; fabric sheet and tape prepreg from carbon fibres and non - reactive thermoplastics ; technical specification

    航空航天.碳纖維和非活性料制浸漬纖維薄板材
  16. The third chapter introduced the experiment of thermal pre - elongated taper on the pof. through experiment repeatedly, the paper proposed the good parameter of plastic optical fiber thermal pre - elongated taper, and give some test and analysis on the thermal pre - elongated taper plastic optical fiber

    本論文第三章對料光纖拉錐的實驗進行了介紹。通過反復實驗,本論文提出較好的料光纖拉錐相關工藝參數,並對拉錐后的料光纖進行相關的測試分析。
  17. In the compression moulding technology, preheat and prepressing procedures are added to improve the flowability of the bond and physical and mechanical properties of the product

    在壓縮模工藝中,增加壓工序,提高粘合劑的流動性和產品的物理機械性能。
  18. Eps, pre - foamed by expandable polyester resin and then formed in moding, is characteristic of being anti - shock and - impact, thermo - protective and heat - resistant, and is a king of low - priced packing material

    發泡膠由可發性聚苯乙烯櫥脂,經先發再模發泡成型而成。該產品具有防震、抗沖擊之性能、保溫隔,是較為兼價的包裝材料。
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