New coatings for titanium implants can fasten osseointegration
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Scientists to develop the coatings for titanium implants to fasten osseointegration
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Credit: Peter the Great St.Petersburg Polytechnic University
St. Petersburg, like other cities in the Russian Federation, is actively participating in the establishment of the Smart City program, which will provide new services for residents of the megalopolis, increasing the safety of citizens. Digital services are essential for such a system.
Due to the Internet of Things (IoT) systems, the environment can adapt to the needs of humanity on its own accord. Cybersecurity threats are especially dangerous for such infrastructure.
Specialists from Peter the Great St.Petersburg Polytechnic University (SPbPU) developed the methodology for assessing cyber risks in intelligent systems of a Smart City. The developed methodology was tested on the smart crossroads test bench (a component of the smart transport system of a Smart City). The results were published in the scientific journal Machines of the MDPI Publishing House.
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Underground pipelines that transport oil and gas are very important engineering communications worldwide. Some of these underground communications are built and operated in earthquake-prone areas.
Seismic safety or seismic stability of underground pipelines began to be intensively studied since the 1950s.
The research shows that current methods used for calculating stress received by the underground pipelines during an earthquake are incorrect
Since then, a number of methodologies were proposed for calculating stress received by an underground pipeline during an earthquake. The purpose of these methodologies was to make an accurate prediction on the structural stress received by a pipeline during an earthquake, and thus it would allow to decide how resilient the pipeline must be made in the first place. It is important to find a right balance between pipeline cost and its structural resilience.