Dataset for "Impact of microplastic fibres on direct membrane filtration of low-strength primary wastewater"

The paper associated with this dataset describes the effects of microfibres, a common type of microplastics, in direct membrane filtration of wastewater. The dataset contains: a) experimental data from membrane performance testing and calculations (transmembrane pressure, fouling resistance, fouling constants, cake foulant mass, specific cake resistance), and b) material characterisation data for microfibres, membranes and foulants (Fourier Transform Infrared Spectroscopy (FT-IR) spectra, Scanning electron microscope (SEM) images, Total Organic Carbon (TOC) concentrations, fluorescence Excitation-Emission Matrices)

Dataset for "Effects of a combined energy restriction and vigorous-intensity exercise intervention on the human gut microbiome: A randomised controlled trial"

This CSV file contains the raw data for all the anthropological, physiological, and biochemical parameters for each human participant, pre and post intervention or control reported in the associated article in the Journal of Physiology

Structural Role of Nb2O5 in Phosphate Glasses: An Advanced Solid-State NMR Protocol for the Glass System xNb2O5–(100–x)NaPO3

The structural role of Nb2O5 in oxide glasses remains poorly understood, despite the unique linear and nonlinear optical properties that it bestows. Here, advanced solid-state NMR methods can yield valuable insight, but their full potential has been underutilized for niobium-containing systems, especially in respect of the dipolar techniques that provide quantitative information on the interatomic connectivity and distance distributions. This study presents a new NMR-strategy and applies it to the model glass system xNb2O5–(100–x)NaPO3 (0 ≤ x ≤ 40). The number of P–O–P linkages per P atom is estimated from the 31P–31P dipole–dipole interactions using spin echo decay (SED) and double-quantum based dipolar recoupling effecting nuclear alignment reduction (DQ-DRENAR). The number of P–O–Nb linkages is obtained from the 31P–93Nb dipolar coupling using 93Nb{31P} rotational echo double resonance (REDOR) and, for the first time, 31P{93Nb} rotational echo saturation pulse double resonance (RESPDOR). Constrained by these interaction-selective experiments, which also include 31P/23Na double resonance spectroscopy, the poorly resolved 31P MAS NMR spectra are quantitatively decomposed into their contributions from the various network-forming units. Additional field dependent 93Nb MAS NMR experiments provide chemical shift parameters that reveal multiple six-coordinate niobium environments with varying degrees of distortion. Overall, the results demonstrate that Nb2O5 assumes a network former role, increasing the overall network connectivity. They also demonstrate an advanced solid-state NMR protocol for characterizing the structural role of Nb2O5, an important intermediate oxide, in multicomponent glasses

Fronts in dissipative Fermi-Pasta-Ulam-Tsingou chains

In a dissipative Fermi-Pasta-Ulam-Tsingou chain particles interact with their nearest neighbors through anharmonic potentials and linear dissipative forces. We prove the existence of front solutions connecting two different uniformly compressed (or stretched) states at $\pm \infty$ using an implicit function argument starting at a suitable continuum limit in the case of large damping. A detailed analysis allows us to show monotonicity of waves and to determine sharp exponential decay rates for a wide class of potentials including Hertzian potentials

Effect of gravity-induced shape change on the diffusion-limited evaporation of thin sessile and pendant droplets

A comprehensive study of the effect of gravity-induced shape change on the diffusion-limited evaporation of thin sessile and pendant droplets on a horizontal substrate is performed. Specifically, theoretical predictions for the evolution, and hence the lifetime, of sessile and pendant droplets evaporating in four modes of evaporation, namely, the constant contact radius (CR), the constant contact angle (CA), the stick-slide (SS), and the stick-jump (SJ) modes, are obtained. In particular, it is shown that gravity-induced shape change can cause quantitative differences in the evolution of sessile and pendant droplets compared to that of a droplet in the absence of (or in the neglect of) the effect of gravity (a "zero-gravity droplet"). For example, whereas sessile and pendant droplets evaporating in the CR mode evolve in qualitatively the same manner as a zero-gravity droplet, the evolution of droplets evaporating in the CA mode is more complicated. Specifically, while a zero-gravity droplet evaporating in the CA mode evolves according to the well-known d2 and 2/3 laws, an initially large sessile droplet evolves according to qualitatively different d and 1/2 laws, and an initially large pendant droplet evolves with the contact radius and the volume (but not, of course, the contact angle) behaving as if the droplet was evaporating in the CR mode. It is also found, perhaps somewhat unexpectedly, that the maximum height of a sessile droplet evaporating in the CA mode is a nonmonotonic function of time when the initial volume of the droplet is sufficiently large. Furthermore, it is found that for all four modes of evaporation a sessile droplet always evaporates faster, and hence has a shorter lifetime, than a zero-gravity droplet with the same initial volume, which in turn always evaporates faster, and hence has a shorter lifetime, than a pendant droplet with the same initial volume. It is also shown that for all four modes of evaporation the lifetime of a droplet is a monotonically increasing function of the initial volume of the droplet, that the lifetime of a droplet evaporating in the CA mode is always longer than that of the same droplet evaporating in the CR mode, and that the lifetimes of droplets evaporating in the SS and SJ modes both always lie between the lifetimes of the same droplet evaporating in the extreme modes.</p

Does being vegetarian make you boyfriend material? Investigating the role of dietary preferences on mate appeal

Altering consumer demand for meat calls for a deep understanding of the factors consistently influencing people's appetite for meat and thus acting as a barrier to dietary change. Previous research has supported the link between meat and masculinity and its implications for mate appeal, whereby omnivores are perceived as more attractive potential romantic partners due to greater perceived masculinity. The present study extends this research by distinguishing between the role of dietary preference on short- and long-term mate appeal. An experimental study presented participants with profiles of ostensible men either described as having omnivorous or vegetarian diets. Results indicated that there were no differences in mate desirability nor in perceived intelligence, wealth or caringness, contradicting previous research highlighting the romantic benefits of meat consumption. Vegetarian men, however, were rated as more faithful, possibly alluding to some greater appeal for long-term romantic relationships, but further replications are needed. Implications and directions for further research are discussed