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- This paper probes into the effects of process conditions on precursor fiber strength, elongation and chemical residual. 摘要本文探讨了工艺条件对粘胶原丝强度、伸长及化学物残留量的影响。
- The strip microstructure of carbon layers resembled that of PAN molecular chains in precursor fiber. 条带结构的碳层与原丝分子链条带结构状态十分相似。
- The trails show that decreasing appropriately the strength of precursor fiber can effect its flexible index distinctly. 实验表明,适当降低原丝的强度对其柔性指标有显著的影响。
- The high quality of polyacrylonitrile (PAN) precursor fibers is a significant prerequisite for obtaining carbon fibers with excellent performance. 高质量的聚丙烯腈(PAN)原丝是生产高性能聚丙烯腈基碳纤维的前提条件。
- This paper is mainly concentrated on the introduction to prepare PAN based carbon fibers and their special fabrication method from a melt spinning to prepare the precursor fibers. 笔者主要介绍了聚丙烯腈基碳纤维的制备工艺概况,特别介绍了熔融纺丝路线制备聚丙烯腈原丝的方法。
- Image analytical instrument is employed to study the section pattern of various deniers precursor fibers as well as quantitatively analyze and contrast their section area, perimeter, roundness and diameter. 采用图像分析仪研究了不同纤度原丝的截面形态,并对截面面积、周长、圆度、直径进行了定量分析、比较。
- In this work, it was the first time that the BN fibers were synthesized using H3BO3 and C3N6H6. The preparation process was simple and easy to be controlled. The chemical qualities of the precursor fibers were stable. The N content of BN fibers was high. 本文首次以C3N6H6和H3BO3为原料制得BN纤维,合成先驱体的工艺简单易于控制,先驱体呈纤维状结构,化学性质稳定,且其制得的BN纤维氮含量高。
- Microstructure of transverse ultrathin sections cut from polyacrylonitrile(PAN) precursor fibers and preoxidized fibers were examined by high-resolution transmission electron microscopy(HRTEM). 采用高分辨透射电子显微镜(HRTEM)研究了聚丙烯腈原丝和预氧丝横截面超薄切片的微观组织,揭示了预氧化过程中原丝组织结构的演变机理。
- polycarbosilane precursor fibers 聚碳硅烷陶瓷先驱丝
- The precursor of the modern car was a horseless carriage with a petrol engine. 现代汽车的前身是不用马拉的,装有汽油发动机的车子。
- I love my country with every fiber of my being. 我深爱我的祖国。
- A small, slender fiber or filament. 小纤维一种细小的纤维或丝
- The doctor recommended more fiber in his diet. 医生建议他多吃一些纤维性食物。
- He is a man of strong moral fiber. 他是个道德高尚的人。
- HRTEM Microstructural Evolution of Polyacrylonitrile Precursor Fiber during Thermal Stabilization Process 聚丙烯腈原丝在预氧化过程中的HRTEM组织演变
- Rayon rank second only to cotton as the most widely used fiber. 人造丝是仅次于棉花的使用得最广泛的织物。
- Thefirst telephone was the precursor of modern communications networks. 最早出现的电话是现代通讯网的雏型。
- A fine or thinly spun thread, fiber, or wire. 细丝细小或薄的丝线、纤维或电线
- The precursor or stem cell of a plasma cell. 成浆细胞浆细胞的前体细胞或干细胞
- Clinging bits of fiber and fluff; fuzz. 棉绒,软棉布聚在一起的纤维和绒毛; 细毛