我国是一个自然灾害种类多、发生频繁和危害严重的国家,工程建筑物的变形监测非常重要。测绘学科中,在多尺度变形分析方面,目前主要有小波分析和经验模态分解(EMD)算法,对其研究作了评述,对近年来提出的局部均值分解(local mean decomposition;LMD)方法的基本思想、在其他学科的应用研究和前景作了分析讨论,在测绘学科的多尺度变形分析提出了其应用研究的可能性。
Various aromatic α-keto esters were rapidly and selectively reduced to aromatic α-hydroxy esters by commercially available zinc dust and ammonium formate in t
Artificial neural network(ANN) and full factorial design assisted atrazine(AT) multiple regression adsorption model(AT-MRAM) were developed to analyze the adsor
A relatively sensitive, specific, and photostable method for the detection of cytokeratin of cancer cells via conjugation with cadmium telluride quantum dots(Cd
The association behavior of starch and chitosan and the dilute solution properties of the starch/chitosan complex were investigated by means of resonance light
Exenatide(synthetic exendin-4), which has been approved by the Food and Drug Administration(FDA) for the adjunctive treatment of patients with type 2 diabetes,