預成型模具 的英文怎麼說
中文拼音 [yùchéngxíngmójù]
預成型模具
英文
preforming tool-
The research of this paper includes three parts : the first, according to the statistical figures about the cargo transport in recent years, it analyzes cargo transport structure and the changing law and the internal reason of cargo transport. at the same time it analyzes and calculates the change of the arriving ships " structure for a systematic and full understand of the transport demands. the second, it make a scientific forecast of the port ' s future cargo capacity making use of the grey forecast system, which provides scientific basis for medium - long term development plan of the port ' s cargo handling capacity
本文研究的工作主要分三個部分：第一，根據張家港近年來有關貨物運輸的一些統計數據，對貨物運輸的結構和規模演變的規律及內在原因作一剖析，同時對到港船舶的結構變化進行預測，以求對運輸需求有一個系統全面的了解；第二，應用灰色預測系統對張家港港未來港口貨運吞吐量進行科學預測，為張家港港貨物裝卸能力規劃提供科學依據；應用物元分析技術對張家港港口的未來發展前景作出一定程度的分析、研究，找出張家港港口未來發展規劃的零散無序、不成系統的因素，總結前人經驗的基礎上採用綜合評判物元模型進行評判，在預測港口未來發展規劃是否科學實際上具有獨到見解。The efficiency and reliability of minerogenetic prediction can be improved by combining rs with gis. we processed rs images, extracted the geological information related to mineralizing, such as geology, structures, stratam, rocks, etc, synthetically analysed remote sensing, the geological data and geo - chemistry, under the guidance of the theory and mathematic model, set up gis mineralize model. on this condition, to develop this method and its theory, and to establish a system of perfect prediction, it is not only useful in studied degree area but also favorable for looking for new type and some form large - scale deposits in old studied area, and it has a great theoretical meaning
遙感與gis相結合用於成礦預測中可大大提高預測工作的效率和可靠性。通過對研究區的遙感圖像處理和地質、構造、地層、巖石、礦化蝕變等有關信息的特徵提取、遙感、地質數據和物化探數據的綜合與復合分析，在一定成礦理論和數學模型指導下，建立gis綜合找礦模型。在此基礎上，發展這一方法及理論並建立完善的預測體系，不僅對研究程度較低的新區礦床預測有用，而且對研究程度較高的老區尋找新類型和點狀大型、超大型礦床都具有重要理論意義和實際意義。The analysis of monetary constitution indicates : the foundation currency is strongly controllable and the currency multiplicator isn ’ t controllable, but it could be well and truly forecasted by the arma model, thus it ’ s strongly predictable
從貨幣供應量的構成分析:基礎貨幣具有較強的可控性;貨幣乘數不具有可控性，但貨幣乘數可以利用arma模型進行較為準確的預測，具有較強的可預測性。Follow as joining the wto and developing of finance market, china ’ s financial institution will need to upgrade the ability of quantitatively measuring and managing the credit risk urgently. the author hopes that this paper ’ s research on the structural models of credit risk can give some consultation to chinese financial institution to defend and manage the credit risk. so this paper deeply reviews the method of modeling the structural model of credit risk, than does an empirical study in china based on the leland - toft models, it is a
因此，本文對信用風險結構模型的建模方法進行了深入的考察，並將leland - toft模型應用於我國的實證研究，進行了有益的探索，本文的研究成果和創新工作主要表現在以下三個方面:第一，本文比較全面系統的闡述了merton模型， longstaff - schwartz模型和leland - toft模型三個最具代表性的信用風險結構模型的構建思路，對這三個模型的區別和特點進行了深入的考察，並給出各模型計算預期違約率的數學公式和方法。In the paper, the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part, predict the possible defects such as wrinkle and break, obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die. the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ). by this method, the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained
本文利用有限元模擬軟體dynafrom分析了不同類型的壓邊圈對薄壁階梯筒形件成形過程的影響規律，預測了採用不同類型壓邊圈時可能出現的成形缺陷如起皺和拉裂，獲得了防止缺陷產生的合理壓邊圈形式，確定了合理的模具結構形式；分析了不同的潤滑條件（摩擦系數）對薄板階梯筒形件成形的影響，獲得摩擦系數與薄板階梯筒形件的拉深深度的關系；分析了階梯筒形件成形過程中的不同階段的應力應變分佈、毛坯材料厚度變化情況，並獲得了階梯階梯筒形件能一次拉深成形的條件。To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering
為滿足建築物大空間和靈活隔斷要求，在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能，得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程，進行了兩榀迭層空腹桁架轉換結構模型（ 1 : 8相似比）的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架，另一榀配置了預應力和鋼骨混凝土，對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較，並進行了彈塑性動力分析.試驗和分析結果表明，配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能，可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題，最後對這類轉換層結構提出了相應的設計建議Most existing constitutive models do not take into account the interactions between different phases of pearlitic steel and cannot illustrate why such kind of materials has excerllent mechanical properties. it is, therefore, necessary to develop a new method, which can describe the macroscopic behavior, damage and failure of the materials and their micro structural dependence. in this paper, based on a non - classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained
已有的關于珠光體鋼的本構模型多難以考慮珠光體材料的微結構及其相互作用，難以解釋珠光體材料何以具有較好的綜合力學性能，因此有必要發展一種多層次的細觀力學分析方法以研究此材料在復雜加載條件下計及微結構特徵的宏觀響應特性，使材料的強度、疲勞壽命的預測與其微結構及各組成相的損傷及微觀應力應變演化規律聯系起來，進而為材料微結構的設計提供依據。A great amount of post tensioned pre - stressing concrete single box beam for double track ( as called the box beam hereinafter ) has been used on the line. it is of infeasibility in adoption of the traditional practice of pre - fabrication in precast factory and erection of the box beam with the track laying machine for that this type of beam is characterized by new structure, complicated workmanship, large volume and difficulty in transportation. therefore, the key and hardest problem to tackle is that what processing should be adopted to precast the box beam on site and that what kind of machinery should be used to transport and erect the box beam
由於該型梁具有結構新、工藝復雜、體積大、運輸困難，將常規鐵路的橋梁廠製造橋梁、經過鐵路運梁到工地、邊鋪邊架進行橋梁製造與架設的傳統施工模式應用到該線是行不通的，必須在現場預制橋梁、並採用專門的運架梁設備進行橋梁架設，因此箱梁的製造、架設施工成為該線施工技術攻關的重點和難點。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、預制體預熱溫度和模具預熱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-粘塑性有限元計算模型，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。Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system
以導葉可調式液力變矩器作為控制單元組成的開環或閉環液力控制系統，具有液力傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過理論分析和試驗數據的回歸分析方法建立了導葉可調式液力變矩器的數學模型，模型既簡單，又有足夠的工程應用精度，為液力控制系統的設計、動態分析和性能預測提供了必要的理論基礎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
熱、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預測.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.結果發現有限元預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塑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The polystyrene froth board other name forth board, the eps board are by includes the volatile liquid foaming agent to be possible the sending polystyrene, after heats up sends the white which heats up in the mold takes shape enable it in advance to have the tiny structure especially ， mainly to use in to construct the wall, the house surface heat preservation, the compound board heat preservation, the cold storage, air conditioning, the vehicles, the ships heat preservation heat insulation, the floor heats, use and so on decoration carving is extremely widespread
聚苯乙烯泡沫版? ?又名泡沫版、 eps板是由含有揮發性液體發泡劑的可發性聚苯乙烯珠粒，經加熱預發后在模具中加熱成型的白色物體，其有微細閉孔的結構特點，主要用於建築墻體，屋面保濕，復合板保溫，冷庫、空調、車輛、船舶的保溫隔熱，地板採暖，裝潢雕刻等用途非常廣泛。According to the experiment of influences of fiber structures and the width of edge channel on flow filling, it was found that even a small gap ( l or 2mm ) between the preform and the mold edge could also disrupt the flow pattern, which evidently changed the local permeability of preform. the filling process was simulated using the permeability for different edge width predicted by a. hammami or poiseuille model, which shown good agreement with the experiment results
實驗研究了纖維鋪層結構及流道縫隙的寬度對充模流動的影響，發現在纖維預成型體和模具壁間存在的較小的縫隙也會對邊緣的流動產生干擾，進而影響增強材料主體的滲透；對于不同的縫隙寬度，分別根據a . hammami模型和poiseuille模型預測邊緣等效滲透率，並進行充模過程數值模擬，與實驗結果吻合較好。Systematically and completely, this essay has discussed the principle of the actualization of college ' s setting up its management system of duty cost, advanced the model of the budget assigns of duty cost from departments of college, and in a specific way, dissertated methods of calculating and resolving the duty cost from departments of college
文章系統、全面地探討了高校構建責任成本管理體系的實施原則，提出了高校院系責任成本預算分配模型，並具體論述了院系責任成本預算的計算與分解方法。It can improve the quality of the annealing process and diagnose some failures
該模型對改善玻璃退火窯運行質量，預測玻璃成型性能具有積極的意義。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，經先預發再模塑發泡成型而成。該產品具有防震、抗沖擊之性能、保溫隔熱，是較為兼價的包裝材料。This letterpress exercise the base theory about operational research 、 management 、 game theory correspond to management and decision - making ， analyse bring up improve project about cost 、 storage 、 forecast vice - module building. use the operational research as a tool to design programming model correspond for supplying decision - making
2 、本文分析並提出對管理信息系統中的成本、庫存、預測子模塊的建設改進方案，並以運籌學為工具，設計支持決策的規劃模型等，為決策支持系統建設提出具體方案。For a specified compaction and temperature cure cycle, the model was used to predict the resin flow front, the pr essure distribution and temperature profile of the assembly, which can be used to optimize the rfi process
通過對不同工藝參數（壓力制度、溫度制度等）下成型過程的模擬，分析預測了樹脂流動行為、前沿位置和充模時間；製品和模具內的溫度分佈以及樹脂粘度和固化度的變化。With artificial neural network to consider affecting the rock to crack in pre - split blasting, people have established the calculation of intelligence model system which can predict and forecast the result and overcome the lack of the theory, model and empirical formula. the system has very great realistic meaning in designing and guiding actual engineering. with the rock ' s crack in pre - split blasting as the studied object, the reason of crack of mineral and rock in pre - split blasting and the parameter design are studied in the paper
運用人工神經網路綜合考慮影響巖石預裂爆破成縫的因素，建立運算模型智能系統，可克服目前預裂爆破成縫理論、成縫模型、經驗公式的不足，對實際工程的設計與指導，具有很大的現實意義本文以巖石預裂爆破成縫作為研究對象，對礦巖的預裂成縫機理及其參數設計進行了研究。Part iii focuses on how to use enterprise scale to forecast the cost of construction project, showing the process of application. the fourth part studies how to prepare the plan of construction project cost management on the basis of the third part and the network plan. next the fifth part shows how to control construction project cost using value chain
論文的第三部分著重論述如何使用企業定額來預測施工項目成本，並以實例說明了企業定額預測成本的具體應用過程;在施工項目成本預測的基礎上論文的第四部分論述了如何編制施工項目成本計劃;緊接著論文的第五部分論述如何按照制訂好的施工項目成本計劃利用價值鏈模型進行施工項目成本控制。分享友人