It is often an unattainable task to ensure high accuracy of machining hard-to-reach overall equipment when performing repair work outside a machine-building enterprise. Therefore, it currently relevant abandon these operations in favor the use specialized mobile machines, which will significantly reduce cost and time such repairs. Now market widely represented by machines foreign companies for ...

In living systems, polypeptide chains are synthesised on ribosomes, molecular machines composed of over 50 protein and nucleic acid molecules. As nascent chains emerge from the ribosomal exit tunnel and into the cellular environment, the majority must fold into specific structures in order to function. In this article we discuss recent approaches designed to reveal how such folding occurs and r...

The rapid development in the economy and urban population cities Vietnam recent years leads to dramatic growth traffic congestion, noise air pollution, environmental degradation. Urban underground infrastructure thus becomes an inevitable solution since surface space too expensive restricted spite of high cost tunnel construction. However, tunnelling deltaic areas, particular cases Mekong Delta...