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。
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。
The production of the coiled carbon fibers in the present research was conducted in a horizontal tubular reactor.
用基板法以乙炔为碳源,镍板为催化剂,PCl3为助催化剂,通过化学气相沉积制备螺旋形碳纤维手性吸收剂,反应设备为卧式气相沉积炉。
In order to investigate the microwave absorbing property and mechanism of the coiled carbon fiber chiral radar absorbers,the microwave electromagnetic characteristics of the coiled carbon fibers at the frequency range of 2-18 GHz were studied.
用基板法以乙炔为碳源,镍板为催化剂,PCl_3为助催化剂,通过化学气相沉积制备了螺旋形碳纤维手性吸收剂,并研究了其在2~18 GHz的微波电磁特性:具有较高的介电损耗,电磁参数随频率的增大有减小的趋势,有利于实现宽频吸波。
Helical fibers, one of the typical representatives of chiral materials, having been attracted more and more attention for the controllable and adjustable advantages such as composition, structure, morphology, permittivity parameter, permeability parameter and chiral parameters.
螺旋纤维作为手征性材料的典型代表,具有成份、结构、形貌、电磁和手征参数可调的显著优势,成为近年来研究的热点。
Growth mechanism of carbon microcoils with changing fiber cross-section shape
变截面形状螺旋形炭纤维的制备和生长机理(英文)
Effect of graphitization on the kinetics and mechanism of thermal oxidation of carbon microcoils
石墨化对微螺旋炭纤维热氧化动力学的影响
a soft wool fabric with a colorful swirled pattern of curved shapes.
带有弯曲形状的华美的螺旋图案的毛纺纤维。
Preparation and Microwave Absorbing Property of Nomex Honeycomb Sandwich Composites Filled with Coiled Carbon Fibers
螺旋形碳纤维结构吸波材料的制备及性能研究
Preparation and microwave electromagnetic characteristics of coiled carbon fiber chiral radar absorbers
螺旋形碳纤维手性吸收剂的制备及其微波电磁特性研究
Effects of purification and activation on morphology and electrochemical capacity of carbon nanocoils
纯化及活化对螺旋碳纳米纤维形貌及电化学容量的影响
Diagnostic Investigation of Chronic Liver Fibrosis with 16-slices Spiral CT;
慢性肝纤维化16层螺旋CT诊断研究
Preparation and Properties of Helical Carbon Nano-fibers
螺旋状纳米碳纤维制备及其性能研究
Effect of Dean vortices on reducing the membrane fouling resistance in the treatment of high concentration wastewater with UF 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
Effects of Compressing on Masson Pine Wood Chips prior to Cellulases Pretreatment in TMP Processes
螺旋挤压马尾松木片和纤维素酶预处理的效果
Preparation and Electromagnetic Properties of Micro-coiled Carbon Nanofiber
螺旋纳米碳纤维的制备及其电磁性能研究
CT diagnose ossifying fibroma in nose and paranasal sinus
螺旋CT在鼻腔鼻窦骨化纤维瘤诊断中的应用
Clinical Features and MSCT Findings of Patients with Retroperitoneal Fibrosis
腹膜后纤维化的临床及多层螺旋CT表现
Study on Synthesis of Micro-coiled Carbon Nanofibers
化学气相沉积法制备螺旋状纳米碳纤维研究
Thinking Capacity and the Spiral Structure Formation of Language--An Investigation into the Spiral Structure of More,Two and One(Zero);
论思维力与语文螺旋结构之形成——以“多”、“二”、“一(0)”的螺旋结构观察
A spiral formation, such as one of the whorls of a gastropod shell.
螺旋形一种螺旋形状,如一个涡螺壳上的螺旋
Of or having the shape of a helix;spiral.
螺旋形的,螺旋(线)的(拥有)螺旋形或螺旋线的;螺旋的
PREPARATION OF PVP HELICAL FIBER BY ELECTROSPINNING WITH SINGLE COLLECTION UPRIGHT COPPER NEEDLE
以旋转竖直铜针为收集器静电纺制备PVP螺旋型纤维绳