preform

  • n.压片;(录音用)盘料;初步加工的成品;雏形
  • v.预先形成[决定];把…初步加工

过去式: preformed 现在分词: preforming 过去分词: preformed 第三人称单数: preforms

preformpreform

verb

1
form or shape beforehand or determine the shape of beforehand
2
form into a shape resembling the final, desired one

数据来源:WordNet

  1. The colorimetric methods involve the bleaching of a preformed color by the fluoride ion .

    比色法涉及氟离子对预先形成的颜色的消色作用。

  2. Improvement of refolding efficiency of HLA-A2-peptide complex in vitro by preformed disulfide bonds in heavy chain

    预先形成的重链二硫键有助于HLA-A2-抗原肽复合物体外折叠

  3. A New Method of Preform Design Based on 3-D Electrostatic Fields

    一种基于三维静电场模拟的预制坯设计新方法

  4. Database management system for optical fiber preform production

    光纤预制棒生产过程的数据库管理系统

  5. Effect of Preform on Properties of C / C Sealing Materials

    预制体对C/C密封材料性能的影响

  6. Research on the statistical model for the longitudinal permeability of preform

    预成型体纵向渗透率统计模型

  7. Numerical Simulation of the Preforming Process of a Large Complex Forging

    大型复杂形状锻件预成形顶镦过程的数值模拟

  8. Performance Evaluation of Low Formation Damage Preformed Gel Kill Fluid

    低伤害预凝胶型压井液的性能评价

  9. Integration of Preform Optimization Design System in Forging Process Based on Deform Uniformity

    基于变形均匀性的锻造预成形优化系统集成

  10. Production of Special shaped Steel Wire STUDY ON RTM PREFORMING PROCESS

    异型钢丝的生产RTM工艺的预成型技术研究

  11. Research on Stitch of Composite Preform Measured Based on the Wavelet Transform

    基于小波变换的复合材料预制件花节长度测试研究

  12. Optical Fiber Strength and Preform Surface Treatment Techniques

    光纤强度与预制棒表面处理技术

  13. Effect of strong electric field on aging behavior of tension preformed 1420 alloy

    强电场对预拉伸变形1420合金时效行为的影响

  14. Focusing method for nondestructive measurement of optical fiber and preform index profile

    聚焦法非破坏性测试光纤和预制棒的折射率分布

  15. Research on the Multiple Objective Optimization of the Preforming Design during the Single Process Forging

    单工序锻造过程预制坯多目标优化设计的研究

  16. What the company provided to customer is custom made preform injection molding system .

    H公司为客户提供的是客户定制的瓶胚专用注塑成型系统。

  17. The finite element method analysis for the induction heating of the powder forging preform

    锻坯感应加热的有限元分析

  18. ICP-AES Determination of three kinds of rare elements in the optical fiber preform

    光纤预制棒中三种稀土元素的ICP-AES测定

  19. Requirements of Mass Flow Controller in Fiber Preform Fabrication

    光纤预制棒生产对质量流量控制器的要求

  20. Study on Preform Compressive Deformation and Experimental Observation during Fabrication Process for MMC

    MMC制备过程中预制件变形分析

  21. Analysis on The Influence of Injection Process and Equipment on Viscosity Drop of PET Preforms

    浅析注塑工艺与设备对聚酯瓶坯粘度降的影响

  22. Preform design of forging track link in engineering machines

    工程机械履带链轨节的锻造预成形设计技术

  23. Centrifugal infiltration process of tubular porous preform by a Binary Alloy

    二元合金在管形多孔预制件内的离心渗流过程

  24. Introduction Process of SiC Fillers into Carbon Fiber Preform by Vacuum Infiltration

    碳纤维编织物中真空浸渍引入SiC微粉的工艺研究

  25. The SiC Reinforced aluminium Preform Wire Fabricated by Ultrasonic Liquid Infiltration Method

    超声液态浸渗法制备碳化硅增强铝预制丝

  26. Some theory of social history in the past all contains the ideology of preformed law .

    以往的一些社会历史理论中都内涵着预成规律的思想。

  27. Review of studies on preparation of porous preforms for liquid precursor infiltration

    液相浸渗用多孔预制体制备的研究现状

  28. Influence of injection pressure on permeability of fibre preform in LCM

    LCM工艺中注射压力对纤维预成型体渗透率的影响

  29. Design and weaving of composite T - joint preform

    复合材料管道接头预型件的设计与织造

  30. Improving the Deformation Uniformity within Forgings by Applying Preformed Optimization Based on FEM

    应用基于FEM的预成形最优化方法提高锻件变形均匀性