Abstract Rectangular columns used in flat-slab structures run the risk of punching shear damage due to stress concentrations, especially when bending moments and vertical forces act together at connections. Using finite element analysis method, existing experiments are numerically simulated using 3D modeling software ABAQUS, describe cracking behavior concrete damaged plasticity model. The accu...

OBJECTIVE To determine and compare failure, re-operation, and complication rates of all generations and techniques of autologous chondrocyte implantation (ACI). METHODS A systematic review of multiple medical databases was performed according to PRISMA guidelines. Levels I-IV evidence were included. Generations of ACI and complications after ACI were explicitly defined. All subject and defect...

ION AND CONTEXT IN CONCEPT REPRESENTATION

Human activities are causing a global proliferation of cyanobacterial harmful algal blooms (CHABs), yet we have limited understanding of how these events affect freshwater bacterial communities. Using weekly data from western Lake Erie in 2014, we investigated how the cyanobacterial community varied over space and time, and whether the bloom affected non-cyanobacterial (nc-bacterial) diversity ...

Channel assignment mechanisms in multi-channel wireless networks are often designed without accounting for adjacent-channel interference (ACI). To prevent such interference between different users in a network, guard-bands (GBs) are needed. Introducing GBs has significant impact on spectrum efficiency. In this paper, we present channel assignment mechanisms that aim at maximizing the spectrum e...

A total of 142 Atherosclerotic cerebral infarction (ACI) patients and 116 controls were enrolled in our study. The Leu125Val polymorphism of PECAM-1 was genotyped using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. The plasma sPECAM-1 level was measured by enzyme-linked immunosorbent assay (ELISA) method. We found a statistically significant difference in...

BACKGROUND Recent observations suggest that migraine and cerebrovascular disease are comorbid conditions. However, the association of migraine with cerebrovascular disease in the population of elderly Chinese has not been established. This prospective case-control study aimed to investigate the prevalence and lesion characteristics of migraine in elderly Chinese patients with acute cerebral inf...

This article investigates the punching shear behavior of recycled aggregate concrete (RAC) two-way slabs. Ten 1500 mm × 100 slabs were tested monotonically. Eight cast with RAC, whereas two control natural (NAC). The RAC incorporated coarse (RCA) at replacement levels 25%, 50%, 75% and 100%. Two flexural reinforcement ratios (0.8% 1.5%) examined. results show that normalized strength 100% decre...