密度梯度管

应用X射线衍射仪、声速仪、密度梯度管及扫描电子显微镜研究了在不同凝固条件下拉伸对聚丙烯腈（PAN）纤维结构及表面形态的影响规律。

The influential regularity of drawing process on the structure and morphology of polyacrylonitrile ( PAN ) fiber was studied under different coagulation conditions with X-ray diffractometer , sonic velocity meter , density gradient tube and scanning electron microscope .

本文着重讨论了用密度梯度管测定兔毛混纺比的方法及效果。

The method is introduced for measuring the blend ratio of Angora blended yarn with density gradient tube on basis of analysing the various analysing methods .

用密度梯度管测定兔毛的混纺比

Blend-Ratio Determining of Angora Yarn by Density Gradient Tube

本文研究探讨了一种新的测试二比例、三比例兔毛、羊毛混纺纱的纤维含量测试方法&即密度梯度管法。

The article discusses a new method for measuring the blending rabbit hair-wool blended yarn which has two or three components the method of density-gradient tube .

文章认为：密度梯度管法测兔毛、羊毛含量的办法是可行的。

Shows the measuring process and the points for attention , and it concludes that the method is feasible to measure the contents of rabbit hair and wool .

本文阐述用密度梯度管法测试混纺纱混纺比的控制限以及各指标的控制范围，以便控制产品质量，指导生产。

This paper describes how to use density tube method to determine the control limit of the blending ratio in blended yarn and the controlling range of the blending ratio in blend - ed yarn and the controlling range of each index in order to control the quality of products .