primery vascular bundle

The properties of as-spun fibers and precursors were decreased when those parameters were lower or higher than the .

分析了凝固浴温度、浓度、表观负拉伸等凝固条件对聚丙烯睛初生纤维形态结构的影响规律及作用机理,得出最佳的凝固工艺参数。

The results showed that the coagulation bath composition had little influence on the size of the internal micropores in the fibers, and the fibrillation of as-spun fibers occurred in a slight degree during the spinning process.

用扫描电子显微镜研究了初生纤维形态结构 ,发现聚酰亚胺初生纤维的内部孔洞较小 ,而且受凝固浴配比的影响也较小。

The effects of acid content of coagulation bath and PANI content of spin dope on the morphology and structure of as-spun fibers were studied by SEM.

采用扫描电子显微镜 ( SEM)研究了凝固浴中酸的含量以及纺丝浆液中 PANI的含量对初生纤维形态结构的影响 ,并探讨了初生纤维的微观结构对纤维的拉伸性能的影

Discussion of influential factors on the orientation and properties of PAN nascent fibers

影响湿纺PAN初生纤维取向和性能因素的探讨

The paper was mainly studied the effect of coagulation bath drawing action on the solvent diffusion coeffecient and property of nascent fibers during the polyacrylonitrile wet spinning.

采用高锰酸钾反滴定法、X射线衍射法、电子探针、纤维纤度仪及强力仪等考察了聚丙烯腈纤维在湿法成形过程中,凝固浴拉伸对溶剂二甲基亚砜的扩散系数、残留溶剂含量、S元素含量、初生纤维结晶性能、截面形貌及初生纤维应力-应变曲线的影响。

The influence of the solid content in spinning solution on the structure and morphology of PAN nascent fiber by wet spinning

纺丝液固含量对湿纺PAN初生纤维结构形态的影响

Polyvinyl alcohol (PVA) spinning solution and nascent fiber were prepared by dissolving high-relative molecular weight PVA in different solvents.

采用不同的溶剂溶解高相对分子质量聚乙烯醇(PVA),制备PVA纺丝原液及初生纤维,对其结构和性能进行了研究。

In this paper,the never dried as-spun Lyocell fibers were cross-linked by dipping in various concentrations of crosslink agent and then dipping in various concentrations of alkali agent for different time.

对尚未干燥过的初生Lyocell纤维进行交联处理,并分析了各种交联条件下所制得的Lyocell纤维的原纤化性能。

Discussion of production process of 25 dtex hollow polylactide as-spun fiber used for staple

短纤用25 dtex中空聚乳酸初生纤维生产工艺探讨

Application Analysis of XQ-1B Tensile Tester in PET Staple As-spun Fiber

XQ-1B强力仪在测定涤纶短纤维及初生纤维中的应用分析

Rheological Properties of PAN/DMSO Solution and Its Effect on the Structures of As-spun Fiber

PAN/DMSO溶液流变特性及其对初生纤维结构的影响

Study on the preparation of PAN nascent fibers specimen by drying

干燥法制备聚丙烯腈初生纤维样品的研究

Effect of PAN/DMSO solution extrusion on structure of as-spun fiber

PAN/DMSO溶液的挤出对初生纤维结构的影响

Study on 'skin-core' structure of PAN-Based Carbon Fiber Precursor during coagulation

聚丙烯腈初生纤维凝固过程中“皮·芯”结构的研究

Discussion of influential factors on the orientation and properties of PAN nascent fibers

影响湿纺PAN初生纤维取向和性能因素的探讨

This initial layer, formed of both cellulosic and noncellulosic materials, is called the primary wall.

这头一层由纤维素和非纤维物质构成，被称作初生壁。

viscose fibre, vicose rayon,

再生纤维: 粘胶纤维

Production of Bacterial Cellulose and Characterization of the Cellulose's Physicochemical Propeties;

细菌纤维素的发酵生产及其物理化学性质初探

The Effect of CSPGs on the Growth of Primary Afferent Fibers in the Spinal Cord;

CSPGs对初级传入纤维在脊髓内生长的调节作用

A Preliminary Study of Polysulfone Membrane Hollow Fiber Reactor of Bioartificial Liver;

生物人工肝聚砜膜中空纤维反应器的初步研究

A Preliminary Study of Connective Tissue Growth Factor in Pulmonary Fibrosis;

结缔组织生长因子与肺纤维化关系的初步探讨

Elementary Study on Ecological Distributing Law of Cotton Fiber Quanlity in Xinjiang;

新疆棉区棉纤维品质生态分布规律的初步研究

Primary Research on the Mechanism of Cytophaga Hutchinsonii Decomposing Cellulose;

嗜纤维菌降解纤维素机理的初步研究

Composition and Structure of New Natural Fiber: Nelumbo Nucifera Fiber

新型天然纤维-莲纤维结构与组成初探

Preliminary Detection of Recombinant Human Fibroblast Growth Factor 8a Pilot Process and Pharmacodynamics

重组人成纤维细胞生长因子8a生产工艺及药效学初探

PRELIMINARY STUDY ON WHISK BROOM FIBER AS A NEW TYPE OF PLANT FIBERS

一种新型增强纤维笤帚苗纤维的开发研究初探