1) Carbon microcoils
螺旋形炭纤维
1.
Carbon microcoils with coil diameter about 4 μm,pitch about 0.
2GHz~124GHz范围内通过反射传输系统测量其电磁参数,结果表明该等微米级螺旋形炭纤维磁损耗为零,其中coils-B的介电参数的虚部及其损耗正切值tanδε较coils-A的高。
2.
Carbon microcoils (CMCs) with a fiber cross-section changing from flat to circular along with a coil diameter changing from 4.
随着生长过程中反应条件的改变,催化剂各向异性也发生改变,长方形催化剂既可以生长扁平形也可以生长圆形截面螺旋形炭纤维,但是立方形催化剂只能生长圆形截面螺旋形炭纤维。
2) micro-coiled carbon fibers
螺旋炭纤维
1.
Microscopic structure,mechanic properties,electric properties,electromagnetic absorptive properties and gas storage properties of micro-coiled carbon fibers are reviewed in the paper.
微螺旋炭纤维因其特殊的三维手性结构,具有多种优异性能。
2.
Micro-coiled carbon fibers are of great potential as electromagnetic absorptive materials and hydrogen storage medium because of their excellent phys ical and chemical properties.
螺旋炭纤维具有优异的物理和化学特性,在电磁波吸波材料、氢气存储等领域极具应用价值。
3) Carbon microcoils
微螺旋炭纤维
1.
Microwave permittivity of carbon microcoils(CMCs) and microwave absorbing property of CMCs/Epoxy composite;
微螺旋炭纤维的微波电磁参数及其环氧复合材料的吸波性能研究
2.
Carbon microcoils(CMCs) showed excellent absorption properties for electromagnetic(EM)waves over a wide frequency range because of their unique helix-chiral morphology .
微螺旋炭纤维独特的螺旋手性结构赋予其优异的吸波性能,本文结合自身实验,综述了微螺旋炭纤维复合吸波材料的研究进展,并分析其吸波机理在螺旋手性结构引起的电磁波交叉极化,同时对发展更好的微螺旋炭纤维手性复合吸波材料提出了可行建议。
3.
Carbon microcoils were prepared by catalytic chemical vapor deposition,using acetylene as carbon source,Ni powder as catalyst,and a sulfur-containing compound (thiophene) as growth promoter.
以乙炔为碳源,镍粉为催化剂,噻吩为助催化剂,采用化学气相沉积法制备微螺旋炭纤维;在氩气气氛中,2500℃下对所制微螺旋炭纤维进行石墨化处理。
4) micro-coiled carbon fiber
微螺旋炭纤维
1.
Scanning electron microscope(SEM),Raman spectro- scope and X-ray diffraction(XRD)were performed to characterize morphologies and microstructures of the non-graphitizated and graphitizated micro-coiled carbon fibers,and graphitization mechanism was discussed preliminarily.
采用化学气相沉积法制备微螺旋炭纤维,在氩气气氛,2500℃下对其进行石墨化处理。
2.
The preparation process of micro-coiled carbon fibers was researched by SEM,XRD,Raman,element analysis and TGA.
以乙炔为碳源,镍粉为催化剂,噻吩作为助催化剂,采用化学气相沉积法制备微螺旋炭纤维。
5) spiral fibers
螺旋形纤维
6) spiral fiber structure
螺旋形纤维结构
补充资料：恶性螺旋形通货膨胀
恶性螺旋形通货膨胀
【恶性螺旋形通货膨胀】在恶性通货膨胀条件下，物价飞涨迫使工人要求提高工资，而厂商则借口工资提高后会增加成本，于是进一步抬高物价，以便获取更多利润，如此循环往复，使通货膨胀极端严重化。恶性螺旋形通货膨胀对经济有很强的破坏性，如果放任物价与工资这种螺旋形增长，将会达到无法抑制，最终走向经济崩溃的地步。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条