邊材變色 的英文怎麼說
中文拼音 [biāncáibiànshǎi]
邊材變色
英文
sap stain-
Wood preservatives - determination of the preventive effectiveness against sapstain fungi and mould fungi on freshly sawn timber - field test ; german version cen ts 15082 : 2005
木材防腐劑.新鋸材邊材對變色菌和黴菌的防腐有效性的The strain softening of dam body and foundation is the necessary condition for dam instability. according to observation data of dam cracks, a gray cusp catastrophe model is established to judge the stability of the crack. according to the slope observation data of a certain hydropower plant, a nonlinear dynamic model is developed by means of reversion and the lyapunov exponent spectrum, and the lyapunov information dimension are calculated for judgement of the stability of the slope
（ 5 ）基於變分原理，研究建立了能量形式的失穩準則，並說明壩體、巖基的材料具有應變軟化的性質，是大壩失穩的必要條件；並利用大壩的裂縫實測資料，建立了相應的灰色尖點突變模型，由此判斷裂縫的穩定性；根據某水電站庫區滑坡體的變形實測資料，反演其非線性動力學模型，進而計算lyapunov指數譜、 lyapunov信息維來判定邊坡的穩定性及穩定程度。
分享友人