测定丝素纤维的结晶度和取向度。
To detect the crystallinity and orientation of fibroin fibers.
拉伸大大提高了纤维的取向度和结晶度。
The crystallization and orientation are enhanced by stretch reasonably.
纺粘法纤维取向度比熔喷纤维高,纤维均匀。
Spunbonded fiber has more even fiber diameter and higher molecular orientation than that of melt blown fiber.
结果表明,预磁化有利于提高磁粉颗粒的取向度;
The experimental results show that the premagnetization of powder is beneficial to improving the orientation of ferrite particles.
射线衍射测试表明HD磁体易磁化轴的取向度较低。
X ray diffraction (XRD) analysis reveals that degree of easy axis alignment of HD magnet is lower.
在测定范围内,随着涤纶纤维取向度的提高,静电压增高。
The voltage rises as the molecule orientation of polyester fibre is enhanced in experimental range.
分析了茧丝的品种与产地对丝素结晶度和取向度的影响程度。
The effects of varieties and producing areas of cocoon silk on the crystallinity and orientation are analyzed.
头发纤维的结晶度、取向度与断裂强度、断裂伸长率呈正相关。
There was a positive relevance between crystallinity or orientation of hair fiber with breaking strength or strain at break.
本文研究了双折射法测定聚乙烯挤出单丝取向度的方法与实际应用。
In this paper, the birefringence method and its practical USES for measurement of orientation degrees of Polyethylene monofilaments have been investigated.
纤维的强度随拉伸倍数的增加而增大,结晶度和取向度也都得到提高。
The strength of the fiber was increased with the increase of draw ratio. The crystallinity and orientation degree were improved.
利用具有不同孔径的同一喷丝板生产不同线密度和取向度的涤纶poy。
PET POY with different linear density and orientation can be produced with the same spinneret.
高取向度长丝与低取向度长丝的区别与精梳棉纱和不良的粗梳棉纱的区别类似。
A highly oriented filament and one that is not so oriented is similar to the difference between a combed cotton yarn and a poorly carded cotton yarn.
此外还预测了扩张机头流道长度,面积扩张比、塑料熔体粘度对取向度也有影响。
It is also predicted that the orientation ratio responds to the die channel length, the channel area expanding ratio of die and plastics melt viscosity.
探讨了原丝预取向度、拉伸温度以及拉伸速度对涤纶短纤维强度变异系数的影响。
The effects of grey yarn pre-orientation degree, drawing temperature and drawing speed on the strength variable coefficient of polyester staple fiber are studied.
纤维拥有显著的原纤化结构,并具有极高的取向度,最高取向参数高达0 . 99。
The fibers have obvious fibrillar structure and extremely high orientation with the highest orientational factor up to 0 99.
随着晶粒取向度的提高,纳米晶单相磁体的矫顽力逐渐增加,这完全不同于烧结磁体。
The investigation shows the increase of coercivity with improved grain alignment in nanocrystalline magnets, which is completely different from the phenomena in sintered magnets.
利用X射线衍射分析方法,对湿压磁场成型的永磁铁氧体生坯晶体取向度进行了研究。
Degree of preferred orientation of hard Sr ferrite compacts molded with magnetic field was studied by X ray diffraction analysis.
随着喷丝孔孔径的增大,涤纶poy单丝直径增大,单丝的取向度降低,双折射率减小。
While increasing the diameter of spinneret hole, the filament diameter of PET POY was increased, both the orientation and the birefringence of PET filament were decreased.
在总拉伸倍数不变的前提下,随着凝固浴拉伸倍数的提高,纤维的取向度和水通量都减小;
The results showed that the orientation degree of the fiber was raised and the water flux was reduced when the spinning speed was increased;
采用X射线衍射法研究温水浸渍法脱胶和酶法脱胶过程中亚麻纤维结晶度、取向度的变化情况。
X-ray diffraction techniques were used to measure the degree of crystallinity and the orientation of flax fiber during retting.
介绍了一种六角晶系铁氧体轴比及晶粒均匀性的控制方法,并对烧结磁体取向度的提高作了讨论。
In this paper, a control method of axis ratio and grain distribution of hexagonal ferrite is introduced, and improvement of sintered magnet orientation is discussed.
得出了一种取向度计算方法,该方法得出的取向度值与X射线衍射谱所反映的取向情况比较相符。
A method calculating alignment degree has been gained, the results achieved by which agrees with the alignment reflected by X-ray diffraction patterns.
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 results showed that with increasing of casting speed, the cellulose membrane has lower roughness, larger crystallinity, and higher degree of orientation.
为提高在金属模压工艺条件下的取向度,应加大取向外磁场或者采取减小磁粉与模具之间摩擦力的措施。
To improve the alignment degree of sintered Nd - Fe - B magnets on die pressing conditions, taking technologic measures such as in…
胡麻纤维经碱改性后,纤维的聚合度、结晶度和取向度都有不同程度的下降,纤维上染率也有了明显提高。
The polymerization degree, crystallinity and orientation degree of the oil-flax fibers were decreased differently after the basic modification, and the dye pickup was obviously improved.
聚酯在高速纺丝过程中,施以不同的拉伸倍数与温度,会造成纤维结晶度与取向度的变化,从而影响纤维的物理性能。
While polyester fiber is subject to different draw ratio and heating temperature during high speed spinning, its original molecular orientation and crystallinity of polyester fiber are changed.
正是由于结晶度、取向度的提高以及单丝内部生成了平行的串晶和纤维复合结构,导致了渔用HSPE单丝强度的提高。
Owing to the increase of crystallization and the degree of orientation, and the formation of this shish-kebab and fibrous compound structure, the tenacity of the HSPE monofilaments is improved.
高取向度长丝与低取向度长丝的区别与精梳棉纱和不良的粗梳棉纱的区别类似。他跑开了,因为那是推卸责任的唯一机会。
A highly oriented filament and one that is not so oriented is similar to the difference between a combed cotton yarn and a poorly carded cotton yarn.
高取向度长丝与低取向度长丝的区别与精梳棉纱和不良的粗梳棉纱的区别类似。他跑开了,因为那是推卸责任的唯一机会。
A highly oriented filament and one that is not so oriented is similar to the difference between a combed cotton yarn and a poorly carded cotton yarn.
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