螺旋纤维

产物是规则卷曲的单螺旋纤维，螺旋缠绕紧密，螺旋直径大约为100nm。这种螺旋纤维具有很好的可逆伸缩性和有趣的熔断性质。

The nanofibers are regularly coiled in the form of a single coil with a coil diameter of 100 nm and dense coil pitches .

螺旋纤维床固定化反应器两步法生产壳聚糖酶

Chitosanase Production in Convoluted Fibrous Bed Bioreactor with Two-Step Process

金龟子外甲壳的螺旋纤维管道微结构

Microstructure of helicoidal-fiber pipe of chafer cuticle

这两根螺旋纤维经常在相同螺旋圈数的位置同时发生螺旋旋向的改变，即螺旋反转。

The two helical nanofibers usually change helical senses ( helical reversals ) at the coil position of the same cycle number .

同样，螺旋纤维的定向也是通过尖端电极所产生的汇聚电场的作用实现的。

Similarly , the converging electrical field generated by the tip collector plays an important role in the alignment of the helical structures .

无论是螺旋纤维还是直线纤维，位于纤维节点处的催化剂粒子可以是菱形、三角形、四边形、椭圆形和圆形。

The catalyst particles , which locate at the node of the two fibers can be rhombic , triangular , quadrangular , oblong , circular .

两根螺旋纤维之间的夹角具有特征性，大多数夹角为大约70°或110°。

Most of them show a rhombic shape . Most of the angles between the two helical nanofibers are about 70 ° or 110 ° .

在开始生长螺旋纤维之后，如果规则的多面体铜纳米粒子继续改变形状，两根螺旋纤维会发生螺旋反转，导致螺旋纤维中存在一段直线纤维。

If the regular faceted copper nanocrystals continue to change shapes during fiber growth , the two helical nanofibers possibly change helical senses at the same time , resulting in helical reversals and straight parts in the fibers .

通过Raman、XRD分析了微螺旋炭纤维的晶体结构特征。

The crystal structure features of MCCFs are studied by XRD and Raman .

配对螺旋样纤维（PHF）-Tau与神经细胞的死亡

The Paired Helical Filament of tau and Neural Cell Death

利用优化的工艺配方在经过敏化、活化处理后的纳米螺旋碳纤维表面沉积Ni-Co-B合金涂层。

Ni-Co-B alloy coatings were deposited on the sensitized and activated carbon nanofibers by using the optimized bath composition of this technology .

结果表明：在纳米螺旋碳纤维表面获得了连续、均匀的Ni-Co-B合金涂层，材料磁性明显改善。

The results show that continuous and uniform Ni-Co-B alloy coatings can be deposited on the helical carbon nanofibers . The magnetic property of the coated carbon nanofibers was greatly improved .

生长在同一个金属铜催化剂颗粒上的两根纳米螺旋碳纤维之间的夹角一般为70o或110o。

The angle between two pieces of coiled carbon nanofibers grown from a nano copper catalyst particle usually is 70 o or 110 o.

螺旋炭纤维的微观结构与储能特性

The microstructure and energy storage characteristics of micro-coiled carbon fibers

对双螺旋纳米纤维绳的结构和机械性能进行了分析。

The structure of the double helical rope and the mechanical properties were investigated .

纳米螺旋碳纤维表面金属涂层的制备

Preparation of Metallic Coatings on Helical Carbon Nanofibers

螺旋炭纤维的研究进展

Development of micro - coiled carbon fibers

具有对称结构的螺旋碳纤维和多枝状碳纤维的制备及生长机理研究

The Preparation and Growth Mechanism of Coiled Carbon Nanofibers with Symmetrical Structure and Multi-Branched Carbon Fibers

这些结构特性使得螺旋炭纤维在抗氧化性、储氢、电化学电容等方面都体现出超越平直炭纤维的优势和应用潜力。

Results show that the oxidation resistance , hydrogen storage and electrochemical capacitance of the micro-coiled carbon fibers are superior to those of straight carbon fibers .

不同尺寸的纳米铜催化剂可以分别制备得到直线型碳纤维、纳米螺旋碳纤维和前两者的混合产物。

Nano copper catalyst with different size can synthesis straight carbon fibers , coiled carbon nanofibers and the mixture of above-mentioned two kinds of carbon fibers .

我们采用纳米铜-镍合金粒子、纳米铜-铁合金粒子、电阻加热法制备的纳米铜粒子以及酒石酸铜制备出了对称生长的纳米螺旋碳纤维。

Helical nanofibers with absolutely symmetric structures were synthesized by the chemical vapor deposition of acetylene with Cu-Ni alloy nanoparticles , Cu-Fe alloy nanoparticles , copper nanoparticles and copper tartrate as catalysts .

本文叙述了制取三维卷曲纤维的理论，不对称冷却成形复合法生产螺旋卷曲纤维的技术，以及这种纤维的结构性质。

Theory for the production of three - dimensional crimp fiber as well as its structural characteristics are described , in addition to the technology of formation by unsymmetrical quenching used in its production .

本文综述了螺旋炭纤维的现状与发展，包括螺旋炭纤维的制备、微观形貌、生长机理、性能与应用，并讨论了有关螺旋炭纤维存在的一些问题。

This paper reviews the present status and development of carbon micro-coils in terms of the preparation , micro-cosmic morphology , growth mechanism , property and applications , some problems related to Micro-coiled carbon fibers are discussed briefly .

在纳米螺旋碳纤维中的催化剂颗粒表层，可能有铜的氧化物存在。

The anisotropy of nano copper catalyst particles to the growth of carbon fibers is the key for the formation of coiled carbon nanofibers . There maybe has oxide of copper in the surface of nano copper catalyst particles .

这两根螺旋碳纤维经常在相同螺旋圈数的位置同时发生螺旋旋向的改变，即螺旋反转。这是由于催化剂粒子生长晶面发生变化导致的。

The two helical carbon nanofibers usually change helical senses ( helical reversals ) at the coil position of the same cycle number , which may be brought by the change of the crystal face of the catalyst particles during the reaction .

以乙炔为碳源、氢气为载气、镍粉为催化剂、含硫化合物噻吩为生长促进剂，在650℃-800℃下，采用化学气相沉积法制备出微螺旋炭纤维。

MCCFs have been successfully prepared by chemical vapor deposition method , using acetylene as carbon source , Ni powder as catalyst , hydrogen as carrier gas , and sulfur-containing compound ( thiophene ) as growth promoter , at 650 ℃ - 800 ℃ .

多层螺旋CT联合纤维蛋白原或血清淀粉样蛋白A对直肠癌外科决策的随机对照研究

Randomized Controlled Trial of Combining Multi-Slice Spiral Computer Tomography with Serum Amyloid A Protein or Fibrinogen on Rectal Cancer Surgical Decision Making

CVD法生长弹性微螺旋状碳纤维的研究

Growth of Elastic Carbon Micro - coils by CVD Process

螺旋形中空纤维超滤膜处理高浓度废水时Dean旋流对膜污染阻力的削弱作用

Effect of Dean vortices on reducing the membrane fouling resistance in the treatment of high concentration wastewater with UF process

根据Dean涡流原理，采用螺旋形中空纤维超滤膜处理洗毛废水。

According to the principle of Dean vortices , coiled hollow-fiber ultrafiltration membrane modules were used to treat with wool scouring effluents .