.This paper describes a method of presentation of fatigue da ta on three commonly ~ ~ s e d aircraft materials, 2024 '1'3 and 7075-'l'fi aluminurn ~ ~ l l o y s and normalized S;2E -ll:IO steel, suc.11 th;i t variations in f'atiguc: s t rength with siress-conc.enl~.niir)n factor can he shown. ( :on j):irisons of the fatigue sLrengt1-i~ o f 2024-'I':I anti 7075-'I'6 aluininiim are made for the m...

OBJECTIVE Firstly, to study the prevalence of ocular and oral sicca symptoms, reduced tear and saliva production, and the minimum frequency of secondary Sjögren's syndrome (sSS) in systemic lupus erythematosus (SLE). Secondly, to compare sicca symptoms and findings with those of matched patients with rheumatoid arthritis (RA), and sicca symptoms with those in healthy controls. Finally, to study...

A series of benzamide derivatives such as 1-(1,3-benzodioxol-5-ylcarbonyl) piperidine (1-BCP) were synthesized by the reaction of substituted benzoic acids with piperidine, morpholine or pyrrolidine using a novel method. The crystals of these benzamide derivatives were obtained by recrystallization. Structures of target and intermediate compounds were determined via FT-IR, 1H-NMR and elemental ...

To investigate the biomechanical performances of artificial cervical disc (ACD) prostheses, many studies have been conducted, either with sections cadavers under physiological loads or block-like testing fixtures obeying ASTM F2346 standard. Unfortunately, both methods are almost impossible to utilize for accurate results lifetime anti-fatigue experiments at least 10 million cycles due difficul...