work is devoted to the study of electric drive overhead cranes and creation a new reliable system multi-motor with coordinated rotation speeds motors movement mechanisms cranes. The electromechanical travel an crane complex multi-mass elastically connected controlled by drive, which subject large number force factors. main trends in development are increase reliability its operation range speed...

It is a major open question which physical processes stop the accretion of gas onto giant molecular clouds (GMCs) and limit efficiency at converted into stars within these GMCs. While feedback from supernova explosions has been popular mechanism included in simulations galaxy formation evolution, `early' mechanisms such as stellar winds, photoionisation radiation pressure are expected to play a...

Abstract Intratumor heterogeneity drives cancer evolution and resistance to therapy, but unbiased approaches elucidate mechanisms driving intratumor have been lacking. Here, we integrate spatial gene expression programs protein signaling across 16 meningioma samples define how molecular classification, temporal evolution, or of the most common primary intracranial tumor. Spatial transcriptomic ...

Several researchers have predicted a significant growth trajectory for Businessto-Business (B2B) applications of E Commerce. Over the last five years, a variety of market mechanisms have emerged to address various issues pertaining to B2B E Commerce. However, there is a general lack of understanding among the researchers and practitioners on two key issues: What are the key characteristics of t...

Genomic conflicts arise when an allele gains an evolutionary advantage at a cost to organismal fitness. Oögenesis is inherently susceptible to such conflicts because alleles compete for inclusion into the egg. Alleles that distort meiosis in their favor (i.e., meiotic drivers) often decrease organismal fitness, and therefore indirectly favor the evolution of mechanisms to suppress meiotic drive...

Strong periodic stimuli such as bright flashing lights evoke nonlinear responses in the brain and interact nonlinearly with ongoing cortical activity, but the underlying mechanisms for these phenomena are poorly understood at present. The dominant features of these experimentally observed dynamics are reproduced by the dynamics of a quantitative neural field model subject to periodic drive. Mod...

Recently, it has been more and more popular to build hybrid storage systems on the basis of SSD (Solid State Drives) and HDD (Hard Disk Drive). In order to evaluate the performance of various hybrid storage based algorithms, this paper proposes a flexible simulation tool called SH-Sim. SH-Sim aims to provide a flexible virtual hybrid disk which is made up of a virtual SSD and a virtual HDD. SH-...