Study on the cryatallization and orientation of the fiber;
中空皮芯复合纤维取向度和结晶度的测定
Measurement and application of fiber crystallinity and orientation by Infrared spectroscopy;
红外光谱法测定纤维的结晶度与取向度
The results showed that the orientation degree of the fiber was raised and the water flux was reduced when the spinning speed was increased;The orientation degree and the water flux were decreased at a given total stretch when the coagulation bath stretch ratio was increased;The orientation degree was re- duced and.
采用双向拉伸的方法制备了聚醚砜中空纤维,探讨了工艺条件对聚醚砜中空纤维取向度和水通量的影响。
The results showed that with increasing of casting speed,the cellulose membrane has lower roughness,larger crystallinity,and higher degree of orientation.
实验结果表明:随着刮膜速度提高,薄膜平均粗糙度降低、孔径变小、结晶度增加、纵横向取向度增加。
The crystallinity and degree of orientation of naturally colored cottons and white cotton as well as dyed cotton were studied by using X-ray diffraction method.
用X射线衍射方法研究了天然彩棉、白棉和染色棉的结晶度和取向度,结果表明:天然彩棉的结晶度和取向度明显小于染色棉,但与白棉的差异并不明显,且天然彩棉和白棉的结晶度和取向度因产地不同而有所差异,无规律可寻。
The results showed that within the experiment conditions,as increasing the temperature,time,and pressure in supercritical CO2 threatment,the breaking strength,breaking elongation,and the degree of orientation of the treated fibers decreased and the melting point,and crystallinity increased.
结果表明:在实验条件范围内,随着超临界CO2流体处理温度、时间、压力的增加,纤维的断裂强度、断裂伸长率、取向度降低,熔点、结晶度提高,超临界CO2介质处理后纤维的性能变化较水介质中显著。
The experimental results show that the sound velocimeter is a very convenient and applied instrument for measuring overall orientation degree and preoxidation degree of PAN fibers,and can be used to study the orientation degree in amorphous region of PAN fiber associating with X-ray diffraction meter,and has the same effect on measuring preoxidation degree of .
采用声速仪及X射线衍射仪对不同牵伸倍数和不同预氧化程度的PAN纤维进行取向度和预氧化程度的测试,并将其结果进行对比。
The crystallinity, orientation degree, cross-section morphology, stress-strain curve and water solution temperature of water-soluble polyvinyl alcohol fiber via gelspinning were studied by X-diffraction, birefringence, scanning electronic microphotography, electronic tensile elongation test.
由冻胶纺丝制备聚乙烯醇 (PVA)水溶纤维 ,用X -衍射、双折射、扫描电镜、电子强伸仪等测试了纤维的结晶度、取向度、横截面形态、应力应变曲线和纤维的水溶温度。
The effects of spinning speed and draw ratio on orientation degree, crystallinity and initial modulus were studied on a reformed FDY spin\|drawing machine.
对 FDY纺牵联合机进行改造 ,通过改变纺丝速度和拉伸倍数等主要工艺参数 ,研究了纤维纺制过程中取向度、结晶度、初始模量等指标的变化情况 ,找到了最佳的技术条件 ,解决了普通 FDY涤纶长丝抗弯曲性能较差、织造中割绒困难、绒面倒伏、不平整、不丰满的问题 ,试验表明 :FDY涤纶长丝取向度 0 。
degree of orientatio
取向度,定向[程]度
average orientation
平均取向度,平均定向度
Image Matching for Depth Recovery and Shape Recognition;
面向深度提取和形状识别的图像匹配
Tropism of the Aim and Designing of the Institution for Faculty Development;
大学教师发展的目标取向与制度设计
On the Orientation Towards Foreignization from the Perspective of Cultural Fusion;
从文化融合的角度看翻译的异化取向
Research on the Reform Orientation of Our College Entrance Examination System;
我国大学入学考试制度改革取向研究
Study on the Reorientation of RMB Exchange Rate Regime in Opening Economy;
开放经济下人民币汇率制度取向研究
Humanity Suppose Study and the New Tendency of System Changes;
人性假设再研究与制度变迁的新取向
Diversification:Approaches to Higher Education Admission System Reform;
多样化:我国高考招生制度的改革取向
Reform and policy of exchange rate system in China;
我国汇率制度的改革取向及政策思考
The Orientation of Public Utility Services Reform: Innovation of Financing System;
城市公用事业改革取向:融资制度创新
Research on the "Androgyny" Students Influenced by the Status of Social Development;
社会发展与中学生的双性化性度取向
A Survey and Thinking on the Attitudes of College Students towards “Two Courses” against New Situation;
新时期大学生对“两课”态度取向的调研
Proper Tax Cutting is the Tendency for Tax Policy;
适度减税是当前我国的税收政策取向
Reflections on the Value Orientation to China s Reform of Household Registration System;
对我国户籍制度改革价值取向的反思
Changes of Institution and Social Culture and Their Influence in Choices of Firm s Integrity of Private Firms;
制度、文化变迁与民营企业的信誉取向
On the Adjustment of the Value Orientation Legislation of the System of Joint and Several Liability
论连带责任制度立法价值取向之调整
INFLUENCE OF SUBSTRARTE TEMPERATURE ON EPITAXIAL GROWTH OF YBCO FILM
沉积温度对YBCO薄膜取向的影响
