individual fiber

The paper introduces the measurement device and principle of single fiber contact angle.

本文介绍了单根纤维接触角测定装置及原理,重点讨论了单根纤维接触角与纸页动态接触角的对比、纤维种类和介质对单根纤维接触角的影响以及单根纤维接触角与施胶性能的关系。

It conducts indoor single root tensile tests on 4 kinds herbs of Elymus dahuricus、Agropyron trachycaulum、Leymus secalinus and Achnatherum splendens growing on the loess region of Xining Basin, Qinghai-Tibet Plateau and analyzes its characteristics of tensile resistance of single root for the purpose of studying the mechanics mechanism of soil-fixation and slope protection of herbs root system.

为研究草本植物根系固土护坡的力学机理,对青藏高原西宁盆地黄土区的披碱草、细茎冰草、赖草、芨芨草4种草本植物进行了室内单根拉伸试验,分析了其单根抗拉特性。

The roots of these equations in the E,are completely given,that is,they have(n,pk-1)-1 single roots or(n,pk-1) distinct groups of repeated roots,and they have no roots.

完整地给出了这些方程在E中的根的状况:(n,pk-1)-1个单根,(n,pk-1)组互不相同的重根,没有根。

The author completely gives the roots of these equations in the F,that is,they have (n,p~k-1)-1 single roots or (n,p~k-1) distinct groups of repeated roots,and they have no root.

本文完整地给出这些方程在F中的根的状况:(n,pk-1)-1个单根,(n,pk-1)组互不相同的重根,没有根。

When this equation has one and only one root or one simple root and one twofold root or three differemt roots,or it has no roots in the field F .

完整地给出了F(设F是一个pk 元域 )上的三次方程根的状况 :在F中有且仅有一个根 ,或一个单根与一个二重根 ,或三个互异的根 ,或没有根 。