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1)  hollowness [英]['hɔləunis]  [美]['hɑlonəs]
中空度
1.
Because the core (special copolyester) could be dissolved in alkaline liquor, after the core's being dissolved, the PP hollow fibers with hollowness of 30 % ~ 50 % and lower density were obtained .
采用复合纺丝法制备了以PP为皮层、以特殊改性共聚酯为芯层的皮芯结构复合纤维;然后,利用芯层在碱液中可水解的性质将芯层溶除,从而获得中空度为30%-50%的、密度更低的PP中空纤维。
2.
Different experiments were made to find out the accurate measurement of hollowness forfour-hole hollow fibre.
通过几种不同的方法试验、对比,找出四孔中空纤维截面中空度的测试误差较小的方法。
3.
The hollowness is one of main physical indexes of hollow fiber.
中空纤维中空度是中空纤维物理性能的主要指标之一。
2)  degree of hollowness
中空度
1.
The relationship between bending elasticity, linear density and degree of hollowness was deduced, as was the difference in bending elasticity.
通过建立力学模型,比较一系列圆形中空涤纶弯曲弹性,导出不同圆形中空涤纶弯曲弹性、线密 度、中空度的关系及其弯曲弹性的差异。
2.
The result shows that in test zone there is a dynamic balance between the spinning velocity and the melting,when the speed is smaller than balance point,the degree of hollowness will increase with the spinning velocity,it will be maxium at the balance,and it will decrease if increase the velocity continue.
通过对不同纺丝速度下烟用改性聚丙烯丝束纤维中空度的测试 ,分析探讨了影响烟用改性聚丙烯丝束中空纤维中空度的原因。
3.
The experimental results showed the spinneret temperature play significant effects on the cross-section morphology, degree of hollowness, degree of profile and sounding orientation of nascent hollow fibers.
结果表明:喷丝温度对纤维截面的成形、外皮层厚度、异形度、中空度、声速取向等均会产生影响。
3)  space-concentrating degree
空间集中度
1.
Through the space-time scanning for the earthquakes occurred in Sichuan and Yunnan regions during the past 30 years,the seismicity factors A-value and the space-concentrating degree C-value are calculated.
对比分析了川滇地区近30年强震活跃段地震活动因子A值和空间集中度C值的全时空扫描结果。
4)  flight visibility
空中能见度
5)  hollowness of fibre
纤维中空度
6)  formaldehyde concentration of indoor-air
空气中甲醛浓度
补充资料:中空度
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性质:化学纤维轴向具有管状空腔的程度。测定方法可将纤维的截面切片放置在载玻片上,经投影描图,然后用求积仪测定纤维周界内面积和空腔面积。计算公式为:中空度(%)= ×100

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