The paper introduces the measurement device and principle of single fiber contact angle.
本文介紹了單根纖維接觸角測定裝置及原理,重點討論了單根纖維接觸角與紙頁動態(tài)接觸角的對比、纖維種類和介質對單根纖維接觸角的影響以及單根纖維接觸角與施膠性能的關系。
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.
為研究草本植物根系固土護坡的力學機理,對青藏高原西寧盆地黃土區(qū)的披堿草、細莖冰草、賴草、芨芨草4種草本植物進行了室內單根拉伸試驗,分析了其單根抗拉特性。
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.
完整地給出了這些方程在E中的根的狀況:(n,pk-1)-1個單根,(n,pk-1)組互不相同的重根,沒有根。
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.
本文完整地給出這些方程在F中的根的狀況:(n,pk-1)-1個單根,(n,pk-1)組互不相同的重根,沒有根。
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 .
完整地給出了F(設F是一個pk 元域 )上的三次方程根的狀況 :在F中有且僅有一個根 ,或一個單根與一個二重根 ,或三個互異的根 ,或沒有根 。