Inverse Problem of Identifying a Small Defect Based on an Asymptotic Method

Russian Journal of Nondestructive Testing - We consider the inverse problem of reconstructing a cavity of small characteristic size in an orthotropic layer based on information about the field of...     

Comparison of Programming Methods in Heidenhain and Fanuc CNC Systems

The functional capacities of the Heidenhain and Fanuc CNC systems are analyzed by comparing the control programs used in the machining of housing components [1–5].     

A mixed longitudinal and cross-sectional model to forecast the journal impact factor in the field of Dentistry

Scientometrics - In order to estimate the impact factor value for a journal in Dentistry, two sets of variables were considered in this study: the first takes in the longitudinal behavior of the...     

A mathematical approach to assess research diversity: operationalization and applicability in communication sciences,political science,and beyond

Scientometrics - With today’s research production and global dissemination, there is growing pressure to assess how academic fields foster diversity. Based on a mathematical problem/solve...     

Stagewise Disintegration and Mechanical Activation in Dressing of Tin-Bearing Waste

Journal of Mining Science - The authors test grinding of mining waste material to a preset grain size composition under stagewise increased destructive force and at reduced sliming. The optimized...     

改进的多层感知机在客户流失预测中的应用

针对在传统的客户流失预测数据预处理中，使用one-hot编码处理离散属性导致数据维度增加及数据过于稀疏的问题，提出了两种基于多层感知机的改进后的客户流失预测模型。其主要思想是分别使用堆叠自编码器和实体嵌入两种方法对多层感知机进行改进，通过将离散属性的高维编码数据向低维空间映射，有效地减少了one-hot编码产生的稀疏数据，增加了离散属性值之间的关联度。在对两份公开的数据集进行交叉验证后的实验结果表明，改进后的模型既有效地提高了预测的准确度，又维持了传统多层感知机模型在并行化计算方面的优势。     

Problems of Locating Acoustic Emission Sources

Russian Journal of Nondestructive Testing - The accuracy of locating acoustic emission (AE) sources in the zones of stress raisers (central holes 5 mm in diameter) located a distance of 40 mm away...     

Electrical Discharge Machining by Structural-Steel Electrodes

Russian Engineering Research - An approach is outlined to selecting conditions of electrical discharge machining such that coatings with the required functional properties are formed on the working...