Perceptual decisions can be made when sensory input affords an inference about what generated that input. Here, wereport findings from two independent perceptual experiments conducted during functional magnetic resonance imaging(fMRI) with a sparse event-related design. The first experiment, in the visual modality, involved forced-choice discriminationof coherence in random dot kine...

Mục tiêu nghiên cứu này là nhằm điều tra tiềm năng của đồng phân hủy rác thực phẩm (RTP) và lục bình (LB) để cải thiện suất khí sinh học so với chỉ RTP. Ủ yếm bán liên tục các tỷ lệ khác nhau RTP LB được hiện kết quả thể rằng tích ra hằng ngày, cao hơn khi trộn hơn. Cụ là, 0,37±0,03L/ngày, 0,51±0,03L/ngày, 1,03±0,03L/ngày, 1,31±0,04L/ngày 1,71±0,08L/ngày lần lượt cho nghiệm thức 100%RTP, 75%RTP...

There are three distinct processes that are predominant in models of flowing media with inter-acting components: advection, reaction, and diffusion. Collectively, these processes are typicallymodelled with partial differential equations (PDEs) known as advection-reaction-diffusion (ARD)equations.To solve most PDEs in practice, approximation methods known as numerical methods are...

Escherichia coli phenylalanyl-tRNA synthetase, a-subunit (ePheS) can be useful as a counterselection marker since its A294G variant misincorporates 4-chloro-phenylalanine (4CP) into cellular proteins during translation, thereby causing cell death. The drawback of this method is that selection must be performed in minimal or semisynthetic medium to avoid interference from phenylalanine in the me...

Fig. 1: Section of an RNase indicatorplate. After overnight incubation at 37°C an RNase secreting colony (left) showed pink halos against blue medium. An E. coli colony not secreting RNase is shown as a control (right). The lest agar contained toluidine blue O (SO mg/1, Merck, Darmstadt: FRG) and yeast RNA (2 g /1 , Boehringer, Mannheim; FRG) in solid LB medium (1.5 % Agar). RNA stock solution ...

A stellar-mass black hole can grow its mass noticeably through Bondi accretion, if it is embedded in an extremely dense and massive molecular cloud with slow motion respect to the ambient medium for extended period of time. This provides a novel, yet challenging channel formation holes. We discuss how this may account binary merger system GW190521 as observed by LIGO/Virgo gravitational wave de...

it,s nowadays proved that one can, from among many strains of rhyzobium species, find those which, in addition to high efficiency in n2 fixation, can positively affect such processes as plant growth (e.g. through production of plant growth hormones). such strains can be useful not only to their special host, but also to other plants as well as to strategic products as grains. soil biotechnology...

The RNA chaperone Hfq fulfills important roles in small regulatory RNA (sRNA) function in many bacteria. Loss of Hfq in the dissimilatory metal reducing bacterium Shewanella oneidensis strain MR-1 results in slow exponential phase growth and a reduced terminal cell density at stationary phase. We have found that the exponential phase growth defect of the hfq mutant in LB is the result of reduce...

We examine the problem of simulating single and multiphase flow in porous medium systems at the pore scale using the lattice Boltzmann (LB) method. The LB method is a powerful approach, but one which is also computationally demanding; the resolution needed to resolve fundamental phenomena at the pore scale leads to very large lattice sizes, and hence substantial computational and memory require...