The purity of two acidic polysaccharides (sa, SB) from ginseng pectin was established by cellulose acetate film electrophoresis and glass-fiberpaper electrophoresis.
This paper also studies the principle respectively how glassfiber grid prevents and controls reflection crack, and introduces corresponsive construction crafts in detail.
研究玻璃纤维格栅在防治与控制反射裂缝中的作用机理,对其施工工艺进行详细的介绍。
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The Mechanical properties of glassfiber filament yarn are presented in this paper, especially the stress-relaxation property and the fatigue property under a cyclic load.