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(cè)定裝置及原理,重點(diǎn)討論了單根纖維接觸角與紙頁動(dòng)態(tài)接觸角的對(duì)比、纖維種類和介質(zhì)對(duì)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(guān)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(hù)坡的力學(xué)機(jī)理,對(duì)青藏高原西寧盆地黃土區(qū)的披堿草、細(xì)莖冰草、賴草、芨芨草4種草本植物進(jìn)行了室內(nèi)單根拉伸試驗(yàn),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(gè)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(gè)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(shè)F是一個(gè)pk 元域 )上的三次方程根的狀況 :在F中有且僅有一個(gè)根 ,或一個(gè)單根與一個(gè)二重根 ,或三個(gè)互異的根 ,或沒有根 。