In this paper, a rectifying tower of a chemical plant is modeled using neural networks and human experts in charge of production control are modeled by fuzzy logic. The neural network models and fuzzy controllers are interconnected for automatic O2 production simulation. Standard multilayer perceptron architecture and backpropagation learning algorithm are used to model a rectifying tower. Real...

The title compound was obtained by arc melting o f the elemental components and subse­ quent annealing in a high frequency furnace. It crystallizes with the orthorhombic space group Cmmm, a = 779.26(7) pm, b = 1362.0(1) pm, c = 320.62(3) pm, V = 0.3403 nm3, Z 2. The structure was determined from single-crystal X-ray data and refined to a residual o f R = 0.021 (692 F values and 21 variables). I...

In the design and analysis of multibody dynamics systems, sensitivity analysis is a critical tool for good design decisions. Unless efficient algorithms are used, sensitivity analysis can be computationally expensive, and hence, limited in its efficacy. Traditional direct differentiation methods can be computationally expensive with complexity as large as O(n4 + n2m2 + nm3), where n is the numb...

Mathematical modeling of anaerobic digestion (AD) is widely acknowledged as a powerful tool to v of the process and to support full-scale plant design, operation and optimization. In this work, a modified version of the IWA-ADM1 model is proposed to simulate the AD of tannery primary sludge (TPS) and fleshing, with special emphasis on the disintegration formulation. Multiple batch tests were pe...

When Campylobacter jejuni NCTC 11351 was grown microaerobically in rich medium at 39 degrees C, entry into stationary phase was followed by a rapid decline in viable numbers to leave a residual population of 1% of the maximum number or less. Loss of viability was preceded by sublethal injury, which was seen as a loss of the ability to grow on media containing 0.1% sodium deoxycholate or 1% sodi...

In the present study, hydrogen production of wood sawdust pyrolysis catalysed by TiO2 impregnated Al2O3 (TiO2/Al2O3) was investigated under temperatures 600, 700 and 800 ℃. The catalyst preparation made wet impregnation method for enhanced hydrogen-rich gas from catalytic sawdust. Characterization morphology doped nanoparticles were performed using X-ray diffraction (XRD), Scanning Electron Mic...

Natural gas is the primary source of energy, accounting for around 20% world’s energy production. It also a key element in reducing CO2 emissions due to its role stabilizing renewable sources. At same time, natural as fossil fuel that emits should be limited. A candidate can ensure stabilization RES and at time reduce demand fuels biogas. Successful use biogas requires thorough understanding po...

The complex polarizability describes the complete optical properties of a nanoobject in Rayleigh limit, including its absorption, scattering, and dispersion. A large range applications would benefit from capability to infer on single-particle level; however, it requires two complementary measurements fully determine this quantity, smallness signals makes highly challenging. Here we use signal e...

DNA-based FluoroCubes were recently developed as a solution to photobleaching, ubiquitous limitation of fluorescence microscopy (Niekamp, Stuurman, & Vale, Nature Methods, 2020). A FluoroCube is compact ∼4×4×5.6 nm3 four-helix bundle synthetic DNA that has six fluorophores attached it. exhibit remarkable photostability, remaining fluorescent up ∼50× longer than single under constant illuminatio...

In this study, a pilot-scale reactor was designed and compared using computational fluid dynamics (CFD) for high-efficiency CO2 methanation reaction. The trends of the catalyst efficiency at pilot or industrial scale could be lower than those measured laboratory scale, owing to flow characteristics. Therefore, based on results CFD analysis minimize above phenomenon. Ni–Ce–Zr used manufacture in...