階樹脂 的英文怎麼說
中文拼音 [jiēshùzhī]
階樹脂
英文
a-stage resin-
Complexation reaction between boric acid and resole phenol - formaldehyde resin and the structure of the complexes
硼酸與甲階酚醛樹脂的配位反應及配合物的結構Thermocuring and heat resistance of the complexes of sodium borate with phenol - formaldehyde resin
高羥甲基含量甲階酚醛樹脂的合成Complexes structure of the sodium borate and resol phenol - formaldehyde resin and their reaction mechanism
甲階酚醛樹脂配合物結構和反應機理Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -
快速成型技術改變了傳統的產品開發模式，可以為設計者提供產品樣件，縮短設計周期，加快新產品的開發進度，為決策者提供直觀性；快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣，包括樹脂模、層壓模、熔模和消失模等，還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模，甚至直接製造小批量鑄件，介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術，快速成型技術與鑄造工藝的有機結合，開創了快速製造金屬零件的新階段，對用高新技術改造傳統的鑄造工業，使其面貌煥然一新，增強鑄造行業的競爭能力；快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑，討論了利用快速成型技術製造模具的一般工藝方法，探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題，以及快速成型技術與精密鑄造技術相結合的模具製造工藝，基於快速成型製造的快速模具技術，集成了快速成型製造高新技術和傳統技術，發揮各自優勢，已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。Chelate reaction between borate ions and phenol hydroxyl group, ortho - position hydroxymethyl group of phenol - formaldehyde resol resin
硼酸根與甲階酚醛樹脂中酚羥基和鄰位羥甲基的螯合反應The formulation for the flow model is given using the finite element / control volume ( fe / cv ) technique based on darcy ' s law of creeping flow through a porous media. the heat transfer model is based on the two - dimensional, transient heat conduction equation, including heat generation. the cure kinetics model is based on kamal ' s model, and the degree of the resin cure as a function of temperature and time
樹脂流動階段的模擬是根據牛頓流體在多孔介質中的滲流理論，應用darcy定律並使用有限元/控制體技術建立起來的；熱傳遞模型是一個二維瞬態熱傳導方程，考慮樹脂反應放熱；樹脂的固化模型利用了kamal提出的固化動力學方程，將固化度取為時間和溫度的函數。Synthesis the water soluble phenol - formaldehyde resin by two step alkaline catalytic reaction
2固化甲階堿性酚醛樹脂結構研究This investigation developed a two - dimensional resin film infusion process simulation model based on the material science, mechanics and chemistry science, using conversation of momentum, energy and mass equation and cure kinetics equation
本文運用材料學、力學和化學的有關理論，通過動量、能量、質量守恆原理，建立了描述rfi成型過程中樹脂流動和固化階段的數學模型。Inlaying is a key step in the specimen preparation process for the metallographic research process and it can be realized through various methods such as mechanic inlaying, resin inlaying and special inlaying
摘要鑲嵌是金相研究過程中試樣制備階段的一個步驟，可採用機械鑲嵌法、樹脂鑲嵌法以及特殊鑲嵌法。Research on the structure of co2 - cured resol phenol - formaldehyde resin
甲階酚醛樹脂配合物的熱固化過程和耐熱性Influences of borate contents on the property of co2 - cured phenol - formaldehyde resol resin binder
2固化甲階酚醛樹脂粘結劑性能的影響First, the low profile performance of up / lpa / styrene system is governed by two critical steps : the phase separation and the microvoid formation. second, the cure of the low profile unsaturated polyester resin can be divided into four periods : induction, phase separation ( including spinodal decomposition and coalescence and growth ), gelation and microvoid formation
指出:相分離以及微孔的形成是決定up田l隊/苯乙烯三相系統低收縮性能的關鍵，低輪廓不飽和聚醋樹脂的固化可以分成四個階段:引發、相分離（包含兩種類型:旋竹線分離以及合井與長大） 、凝膠和微孔形成。分享友人