Structure evolution of CNT/ PAN composite fiber during pre-oxidation process 碳纳米管/聚丙烯腈复合纤维热处理过程中结构演变规律研究
Clark also recommends cooking in iron pans, as food can derive iron from the pan during the cooking process. 克拉克还建议用铁锅烹食,因为烹调过程中食物能从铁锅中吸收铁离子。
High shrinkage PAN bulk top are produced by using the process of "drawing to break". 论述了用拉断法直接制条生产高缩率腈纶膨体纱毛条的生产工艺。
The development of tooling for the deep drawing of oil pan is a time consuming and expensive process. 板料冲压过程的模具设计是一个费时费力的过程。
A new process for phosphogypsum being granulated directly by adding gelatinizing material in a pan granulator, is described in its process, best recipe and product quality. 该工艺通过添加胶凝材料改质磷石膏,盘式造粒成球,介绍成球的最佳配方,产品质量。
Based on the thermodynamic phase diagram, the coagulation formation for PAN based carbon fiber pre-cursor in spinning process was investigated in this paper. 以热力学相图为工具,探讨了聚丙烯睛(PAN)原丝凝固成形过程。
The crystallinity of wet-spinning PAN precursor fibers gradually reduces during preoxidation process, while it gradually increases during carbonization process. 湿纺PAN原丝的结晶度在预氧化过程中逐渐降低,在碳化过程中随着碳化温度的升高逐渐增加。
The study on the catalytic role of pan in the photolytic process of 1,1 ′& diacetylferrocene PAN对1,1′&二乙酰基二茂铁光解催化作用的研究
Theory of form Color and Way of Improve b Value in PAN of Dry-spinning Process 干法腈纶的成色理论及改善b值的方法
The roasting function is added in the pan drying process to get rid of crystal water because the materials before drying contain adhesive water and crystal water. 干燥前的物料含有附着水和结晶水,因此在盘式干燥的基础上又附加了焙烧功能,使物料脱去结晶水。
Study on Increasing Polymerization Rate in Reactor in Du pont PAN Dry-spinning Process 杜邦干法腈纶提高反应速率的研究
The new method of improvement modification of PAN membrane, i. e. preparation of high flux PAN membrane with gelatination process in bath containing inorganic cations was reported in this paper. 本文简要地报导了聚丙烯腈(PAN)超滤膜的性能改进新方法,即用含无机阳离子的凝胶浴的凝胶化工艺来制备高通量的PAN膜。
The spinning forming of flange for stainless steel pan, including two process method namely necking and bulge flange, is introduced. 介绍了不锈钢锅盖凸缘的旋压成型,主要有缩口及胀凸缘两种工艺方法。
Treatment of wastewater of Pan plants by the membrane process 膜法处理腈纶厂废水
Thermal stress and strain of modified PAN fiber during thermal-oxidation stabilization process 改性PAN共聚纤维在预氧化过程中的热应力应变
The Application of Polyacrylonitrile ( PAN) Semiconductor Fibre Braiding Tape to VPI Process 聚丙烯腈(PAN)半导体带在VPI工艺中的应用
By the means of data processing and image manipulation of computer, a calculation system dealing with PAN fiber forming process was built. 基于计算机数据处理技术及图像处理技术,建立一个针对PAN原丝成形过程的数值计算系统。
The molecular movement of PAN fiber in the preoxidation process 聚丙烯腈纤维在预氧化过程中的分子运动
This article follows up the change of lamella structure in PAN fiber spinning, preoxidation and carbonization process using electron microscope in order to find the evolution of sheet structure. 为了研究原丝中片层微观组织的演变性,借助电子显微镜,跟踪了片层组织结构在纺丝、预氧化和炭化过程中所发生的变化。
Preparation of high performance PAN precursor through dry-wet spinning process 干湿法高性能聚丙烯腈基碳纤维原丝的制备
This is an observation of the ablated samples of carbon felt-carbon composite by SEM. The results of observation demonstrate: the pre-oxidized PAN fiber and middle strength PAN carbon fiber during the process of graphitization, their internal structures have changed; 用扫描电镜观察碳毡-碳复合材料的烧蚀样品,结果表明:预氧化PAN纤维和中强度PAN碳纤维在石墨化过程中,内部结构发生了变化;
Study on Model-based Fault Diagnosis of PAN Process in Information Poor Plants 信息缺乏条件下聚丙烯晴生产过程基于模型的故障诊断研究
Plan and feasibility analysis of fuel for solid or flake caustic soda by pan process 锅式法固(片)碱燃料方案及可行性分析
The effects of coagulation temperature and concentration and draw down ratio on the microcellular structural morphology of as-spun PAN fiber were studied during coagulation process by small angle X-ray scattering. 采用一维多取向小角X射线散射研究了聚丙烯腈细流在凝固过程中,凝固浴温度、浓度以及喷丝头拉伸比对初生纤维中微孔结构形态的影响。
A set of PAN precursor computer simulation and information management system was developed based on the systematic study of practical PAN production process and solution polymerization and wet spinning theory. 以聚丙烯腈(PAN)原丝实际生产过程为研究对象,以溶液聚合和湿法纺丝为基础,模拟PAN原丝纺制条件,设计开发了一套PAN原丝计算机仿真与信息管理系统。
In this paper, through the PAN precursor production process of analysis, PAN-based carbon fiber production processes and production equipment has been improved and Advanced. 本论文通过对聚丙烯腈原丝的生产工艺过程的分析研究,对聚丙烯腈基碳纤维原丝生产工艺和生产设备进行了改进和提升。
Finally, GO1/ PAN carbon fibers were prepared by batch process, and the influences of GO I on the structures and mechanical properties of carbon fibers were studied. 最后,采用间歇式氧化和碳化工艺制备了GO1/PAN碳纤维,研究了GO1对PAN碳纤维结构性能的影响。
Oxidative stabilization of polyacrylonitrile ( PAN) precursor fibers is an essential process that affects the quality, carbon yield and production efficiency of carbon fibers. 在聚丙烯腈(PAN)基碳纤维的制备过程中,原丝的预氧化是影响碳纤维质量、碳收率和生产效率的关键工艺。
Moreover, the GO1/ PAN and GO2/ PAN precursor fibers were prepared by wet-spinning process, and the influences of GO on the structures, mechanical and thermal properties of PAN fibers were studied. 采用湿法纺丝工艺制备了GO1/PAN及GO2/PAN原丝,研究了GO对PAN原丝结构,力学性能和热学性能的影响。