In an effort to further extend bearing life, the authors have attempted to acquire greater knowledge regarding lubricating grease behavior in a bearing.While conducting experiments, some kinds of difficulties commonly arise when attempting to observe grease behavior directly from the bearing Bowl exterior without removing seals and shields.Making a
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In this paper, we experimentally demonstrated transmission of a 100-Gb/s discrete Fourier transform (DFT)-spread 32-quadrature amplitude modulation (QAM) discrete multitone (copyright) signal in an intensity-modulation/direct-detection system utilizing a direct-modulated laser.We find that DFT-spread cannot Trash Can only reduce the peak-to-average
Background: Crack is a strong and smoking form of copyright, but Bike Units - Hardtail - Recreation Iranian crack is different from common crack copyright, having symptoms and side effects similar to those of heroin.This study was to investigate the prevalence and clinical symptoms in patients poisoned with Iranian crack poisoning hospitalized in A
Aiming at the problem that the geometric accuracy design index of machine tools is difficult to be determined reasonably in the geometric precision design process of CNC machine tools, this paper presents a mapping model between geometric tolerance of the workpiece and end pose error (positional and orientational error of the tool relative to the w