Dr Hess envisages a ray of light travelling down an optical fibre made from two materials: a core with a negative refractive index and an outer sheath with a positive one.
赫斯博士构想出一个画面，即一道光正穿越于一个由两种材料制作的光导纤维，一种是具有正折射指数的纤维核，另一种则是具有正折射指数的外围。
The continuous filament polyester sheath is braided over a continuous nylon fiber core.
连续细丝聚酯护套被编织物包上连续的尼龙纤维核心上方。
Once the grounding system of HV single-core cable is broken, high floating voltage will appear on its metal sheath, thus causes serious consequence.
高压单芯电缆的接地系统一旦被破坏，在其电缆金属护层上会产生高值悬浮电压而引发严重后果。
Conductive wire core outside the use of heat-resistant polyester film insulation tape wrapped around, the outermost layer made of rubber insulation and sheath as protective layer.
导电线芯外面采用耐热聚酯薄膜绝缘带绕包，最外层用橡皮制成的绝缘兼护套做为保护层。
Magnetization of the fibers reduced with increasing of draw ratio and core-sheath ratio of the fibers.
随着纤维的皮芯比的增加和拉伸倍数的提高，纤维的磁感应强度下降。
The fiber showed circular section, homogeneous structure without sheath and core, splendid mechanical properties and wide water solution temperature range.
纤维呈圆形截面，无皮芯层，结构均匀，具有良好的力学性能和宽的水溶温度范围。
The outer sheath may completely cover the core. When the outer sheath does not hide the center completely, the two components create interesting appearance effects.
表层可以完全包覆芯部，在表层不能完全交将芯部纤维包覆时，芯部和表层会呈现一种新奇的外观效果。
These tubules were surrounded with an electron dense membranous sheath leaving the core semi translucent.
这些小管围以电子致密的膜，中央是半透明的轴心。
PET/EVOH sheath-core fiber was prepared and the optimal spinning parameters were obtained.
对复合PET/EVOH吸湿纤维进行纺丝实验，得到最佳的纺丝工艺参数。
The invention relates to a sheath core composite fibre of chitin and cellulose and a preparation method thereof.
本发明涉及一种甲壳胺与纤维素的皮芯型复合纤维及其制备方法。
The cable core is filled with the filling compound to protect it from water ingress, over which a thin PE inner sheath is applied.
松套管（和填充绳）围绕中心加强芯绞合成紧凑和圆形的缆芯，缆芯内的缝隙充以阻水填充物。
The factors affecting the magnetism of magnetic PP fiber were studied, including content of magnetic powder, sheath-core ratio, magnetic powder variety and after-drawing.
研究了磁性聚丙烯 （ PP）纤维中磁粉含量、纤维的皮芯比、添加的磁粉种类及纤维后拉伸等对纤维的磁性能的影响。
Conductive line outside the core using heat-resistant polyester film with insulation around the package, the outermost layer of rubber insulation and sheath made of as a protective coating.
导电线芯外面采用耐热聚酯薄膜绝缘带绕包，最外层用橡皮制成的绝缘兼护套做为保护层。
Plasticore with its steel core adds strength and the plastic sheath adds to the cable body and corrosion protection...
塑封软轴的钢芯可增强软轴的强度，而在软轴外加的塑封外层可加强抗腐蚀能力。
The process for producing an annular, concentrically twisted bead cord (2) includes spirally winding side wires (12) around an annular core (11) to form a sheath layer (13).
该制造方法是通过围绕环形芯（11）螺旋地缠绕侧线（12）而形成套层（13）来制造环形同心绞股胎圈帘线的方法。
The process for producing an annular, concentrically twisted bead cord (2) includes spirally winding side wires (12) around an annular core (11) to form a sheath layer (13).
该制造方法是通过围绕环形芯（11）螺旋地缠绕侧线（12）而形成套层（13）来制造环形同心绞股胎圈帘线的方法。
应用推荐