preform

音標(biāo)發(fā)音

The fabric is used as preform for thermoplastic textile - reinforced composite modules.
這種織物被用作熱塑性紡織增強復(fù)合材料模件的預(yù)型件.
Two Methods: Used to liquid impregnate carbon fiber preform are introduced.
介紹了液相浸漬炭纖維坯體的兩種方法.
Most preform moulds are rectangular and are longer than they are wide.
大多數(shù)的瓶坯模具呈長形,就是長度比闊度大.
The fabric is used as preform for thermoplastic textile - reinforced composite modules.
這種織物被用作熱塑性紡織增強復(fù)合材料模件的預(yù)型件.
Two Methods: Used to liquid impregnate carbon fiber preform are introduced.
介紹了液相浸漬炭纖維坯體的兩種方法.

預(yù)制體
預(yù)制件
It is prerequisite to measure the three-dimensional braided composite materials preform s technical parameters in the process of its design and production.
在三維編織復(fù)合材料預(yù)制件的研制和生產(chǎn)過程中，需要測量和分析材料的工藝參數(shù)。
預(yù)成型體
預(yù)制塊
The composites were observed by light microscope. The combination quality of matrix between composite layers is deteriorated when density of preform is increased.
通過光學(xué)顯微鏡對復(fù)合材料組織進行研究,發(fā)現(xiàn)隨著Ti-C體系預(yù)制塊致密度的提高(50%～65%),復(fù)合材料中過渡層質(zhì)量下降。
預(yù)成形坯

預(yù)成形
The proposed FEM preform optimization method is very effective and overcomes abuse of experience design.
所提出的有限元模擬預(yù)成形優(yōu)化方法十分有效,克服了以往憑經(jīng)驗設(shè)計的弊端。
預(yù)先形成

預(yù)制棒
And Erbium-doped fiber preform is fabricated using this method.
并利用這種方法實際制作了摻鉺光纖預(yù)制棒。
計算機科學(xué)技術(shù)
預(yù)制件
It is prerequisite to measure the three-dimensional braided composite materials preform s technical parameters in the process of its design and production.
在三維編織復(fù)合材料預(yù)制件的研制和生產(chǎn)過程中，需要測量和分析材料的工藝參數(shù)。
預(yù)制體
However, there are still many difficulties in mass production of qualified preform of paper-based friction material using manual sheet-making apparatus. So a semiautomatic sheet-making apparatus was designed to make an improvement.
借鑒于造紙工藝的碳纖維增強紙基摩擦材料預(yù)制體成型工藝——“抄片”，成為保證預(yù)制體增強纖維、摩擦性能調(diào)節(jié)劑和填料在預(yù)制體中均勻分布的重要一環(huán)。
材料科學(xué)
盤料