lpa 中文意思是什麼

lpa 解釋
連接裝配區
  1. The lpa - rich phase and the up - rich phase became co - continuous at the first transition point and the paniculate structure came to dominate after the second transition point with continuous up - rich phase vanishing

    在第一個轉變點之後,固化試樣形成富lpa相和富upr相交互連續的結構,而在第二個轉變點之後,連續的upr相消失,固化試樣中顆粒結構佔主導地位。
  2. For the sample with poly ( vinyl acetate ) based lpas, the morphology exists two transition points with the increase of lpa concentration

    對于含聚醋酸乙烯酯類lpa的試樣,形態隨著加入濃度的增加存在兩次明顯的轉變。
  3. In the volume change study, we found appropriate temperature is helpful for shrinkage control, and different lpas have different shrinkage control effects due to their dipole moment, tg, miscibility with upr and morphology after blending. there existed an optimal concentration range of poly ( vinyl acetate ) based lpas for shrinkage control. lpa was effective for shrinkage compensation in this range, on the other hand, lpa only acted as filler and the low profile effect vanished out of this range, however, for polystyrene based lpa, the more concentration the better shrinkage control

    在膨脹研究中,發現適當的溫度條件更有利於upr達到好的收縮控制效果;不同類型的lpa隨著偶極矩、玻璃化溫度、與upr的相容性、與upr的混合形態的不同,表現出不同的收縮控制效果;聚醋酸乙烯酯類的lpa - a存在一個最佳收縮控制的濃度范圍,在這個范圍之內, lpa起到補償收縮的作用;而在這個范圍之外, lpa的作用僅相當于填料,不能起到收縮控制。
  4. By testing the arc shield voltage in different vacuum degree, it proves that the arc shield voltage method will be an effective online testing method when the vacuum degree is or lower than lpa, but the method will be no use when the vacuum degree is higher than 10 - 2pa

    通過對不同真空度下的真空滅弧室屏蔽罩電位的進行了測試,證實了用屏蔽罩電位法作為真空度在線監測的手段,對于真空度在1pa數量級上是可行的,但當真空度高於10 ~ ( - 2 ) pa時,此方法是不可行的。
  5. Lower order path adaptation lpa

    低階通路通道適配
  6. Lpa : lower order qath adaptation

    低階通道適配
  7. First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion

    文中首先根據vimp對樹脂體系的要求,對vimp用不飽和聚酯樹脂體系的動力學和流變學性能進行了研究,確定了最佳低收縮添加劑的含量;對高滲透介質型和溝槽型vimp開展了實驗研究,通過可視化實驗優選出較好的高滲透介質,確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參數並進行了優化;對影響充模過程的各種因素進行了詳細的討論,並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程;在實驗的基礎上,建立了二維滲漏模型,採用控制體有限元法對高滲透介質型vimp進行了成型過程的計算機模擬計算,通過充模時間和流動前峰的計算值與實驗結果的比較,驗證本文所採用的數學模型和數值方法的正確性,其結果對實際生產具有一定的理論指導意義。
  8. For poly ( vinyl acetate ) based lpas, it seemed that lpas with higher molecular weights worked better than that with the lower molecular weights and lpa with low molecular weights need high concentration for good shrinkage control

    對于聚苯乙烯類的lpa - c ,試樣收縮控制效果隨著lpa - c濃度的增加而增強;對于聚醋酸乙烯酯類的lpa ,分子量較高的lpa比分子量較低的lpa的收縮控制效果好;分子量較低的lpa若要達到較好的收縮控制效果則需要較高的濃度。
  9. A detailed study of the morphology of low - profile unsaturated polyester resins after cure at low - medium temperature was carried out. the experimental results show that the influence of temperature on morphology of cured sample was smal 1 for poly ( vinyl acetate ) based lpas but large for polystyrene based lpa

    文章詳細研究了低輪廓不飽和聚酯樹脂中低溫下固化試樣的形態,實驗結果表明:溫度對加入聚醋酸乙烯酯類lpa試樣的固化形態影響不大,而對加入聚苯乙烯類lpa試樣的固化形態則有較大的影響。
  10. It will be logical to delink from the contract air fare rates and to base future revisions of lpa on changes in hang seng consumer price index for package tour

    的差距愈來愈大由80年代初的7 %至現時的46 % ,此一差距是難以繼續存在的及
  11. Future revision of lpa will be made in april every year with reference to price changes of package tours, as measured by the year - on - year change in such prices within the hang seng cpi for the 12 - month period ending february of the year

    的差距愈來愈大由80年代初的7 %至現時的46 % ,此一差距是難以繼續存在的及
  12. Increasing the limit of unused lpa for which an officer or his her eligible family member could carry forward or transfer from other members accounts

    帳戶本身的津貼餘額帶至下個周期,或者把其他帳戶的津貼餘額撥到自己的戶口
  13. 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。
  14. The initial rate of lpa will be set at the prevailing rate payable to an officer in the respective pay bands at the date of implementation

    不同薪酬級別的公務員,他們在新建議實施日期時,原已享有的旅費津貼額,仍將會是他
  15. However, the detailed lpa mechanism, especially the low - medium temperature lpa mechanism, is still not well known

    然而,低輪廓添加劑( lpa )的作用機理,尤其是中低溫下lpa的作用機理,至今尚沒有定論。
  16. Layered process audits ( lpa ) are a system of audits performed by multiple levels of management. key process characteristics are audited frequently to verify process conformance

    逐層過程審核( lpa )是由多個管理層進行的系統審核。對關鍵過程特性進行頻繁的審核以驗證過程符合性。
  17. Lpa with higher molecular weights needs lower concentration to obtain co - continuous structure. however, for the sample with polystyrene based lpa, the morphology had little change with the increase of lpa concentration

    分子量較高的lpa只需要較低的濃度就能夠形成交互連續的兩相結構,而聚苯乙烯類lpa試樣,固化形態隨著濃度增加沒有明顯的改變。
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