Miracle-dz/UniFAR-FTUs huggingface dataset:
Journal of Plant Production Production of Open Field New F 1 Hybrids Squash ( Cucurbita pepo L.) under Egyptian Conditions

This study was carried out in El-Gemmieza Agriculture Research Station, Agriculture Center, Horticulture Research Institute, El Gharbiah Governorate, Egypt, during two seasons 2020 and 2021. This study aimed to produce a new open field of F 1 squash hybrids under Egyptian conditions using 6 F 1 hybrids obtained from half diallel crosses. The results indicated that analysis of variance revealed highly significant for the mean squares of the parental lines for the studied traits. None of the F 1 hybrids had the highest values for all studied traits. Significant heterosis values versus mid and better parent were detected and showed highly significance for most studied traits. The values of SCA were larger than the corresponding values of GCA adverting pre-dominance of dominance gene effects with respect to most of studied traits. The best combiner parent was showed to have the significant positive magnitudes of GCA effects between P 1 and P 3 for most of studied traits. The best combinations for most of studied traits were observed in the following crosses; P 1 X P 3 ; P 1 X P 4 and P 3 X P 4 , which had the highest values of SCA. Broad sense heritability was higher than their corresponding in narrow sense heritability for all traits. The results showed that the recorded magnitudes of heritability in broad sense ranged from 94.29 to 99.65 % for days to anthesis first female flower and number of leaves / plant, while heritability in narrow sense ranged from 8.20 to 50.10 % for plant length and average fruit weight respectively. From the previous results, it could be recommended that the integration of these parents in genetic enhancement of summer squash programme directing to increase yield and quality traits.
Directional light scattering by domain walls in uniaxial ferroelectrics

It was revealed that specific directional light scattering takes place in ferroelectric semiconductors in polydomain states. This scattering is observed at to the light beam direction. The behaviour of this effect suggests that it is caused by light reflection by layers formed by charge carriers which screen charged domain walls between opposing domains. The orientation of the reflecting layers was determined. This effect allows one to check easily the degree of unipolarity throughout the sample and refine optically the complete crystallographic orientation.
Pattern of risk factors and Short Term Outcome in Patients Undergoing Primary Percutaneous Coronary Intervention for Acute ST Elevation Myocardial Infarction

Background: Coronary Artery disease (CAD) is the leading cause of death globally. The classic presentation of worsening angina culminating acute coronary syndrome (ACS) is rare in younger patients but the first onset of angina that rapidly progresses to fully evolved myocardial infarction (MI) is often the case. The aim of this work was to study the short term outcome in patients undergoing primary percutaneous coronary intervention for acute ST elevation myocardial infarction. Methods: This was study a prospective, cross-sectional study carried out between July2020 to July 2021. The patients underwent coronary angiography at the National Heart Institute and cardiology department of Benha university hospitals. The patients were classified into two groups: - Group1: comprised 100 patients with coronary artery disease (CAD) aged <45 years old. Group2: comprised 100 patients with CAD aged ≥45 years old. Results: The rate of success of primary intervention was comparable between the two study groups 95% in young group vs 90% in older group. Conclusion: Acute STEMI in young Egyptians was predominantly observed in men, MACE was less frequent in Young age group.
Liquid core photonic crystal fiber sensor based on surface enhanced Raman scattering

This letter reports on a hollow core photonic crystal fiber that is modified to allow for filling of only the core with a liquid and its use for detection of surface enhanced Raman scattering from molecules in solution with silver nanoparticles. Both experimental demonstration and theoretical simulation are presented and discussed. The developed sensor is tested in the detection of rhodamine 6G, human insulin, and tryptophan with good sensitivity (10−4–10−5M) due to enhanced interaction volume.
The Impact of Pilot Seat Design on Aviation Safety

The basic aim of this study is to highlight the physical, anthropometric, and biomechanical considerations that should be taken into account in the design of the pilot seat. It also investigates the vital role of the pilot seat design in improving aviation safety. EgyptAir pilots (417 in total) were given a questionnaire survey. The study results found out that the design of the pilot seat affects pilot comfort and safety and, in turn, affects aviation safety. As well, the results concluded that pilot seat design affects positively aviation safety and its three dimensions. The study makes contribution by providing designers with the pilots’ feedback, complaints, and suggestions related to the seat design with all its components with the aim of dealing with any design-related issues and handling any pilot-related side effects. This ultimate goal is to improve the seat design and enhance pilot comfort and flight safety.
The Effects of Mindfulness and Buddhist Meditation Coaching on Mental Health Outcomes in College Students

College students are vulnerable to diverse mental health disorders. We aimed to investigate whether a meditation class would be an effective means to address students' mental health challenges. Among the college students who registered for the meditation course, 256 participants were enrolled. The meditation course was a 15-week program incorporating mindfulness meditation and Ganhwa Seon (a traditional Buddhist meditation). A questionnaire was administered twice, on the first and last class of the course, collecting information on personal characteristics and six mental health indicators. A paired t-test was used to examine whether the meditation course conferred benefit on the mental health indicators, and logistic regression analyses were run to identify factors associated with mental health outcomes. After completing the meditation course, there were significant improvements for the adult ADHD score (p < 0.01) and ego identity (p = 0.02) but not for the other outcomes. Among college students, meditation practice may have positive effects on the adult ADHD score and ego identity.
Disclosure Firmness of Corporate Language

Using the MD&A section of 10-K filings, I examine the hardness/softness of corporate information as its firmness level by aggregating linguistic attributes consisting of vague, tonal, forward-looking, explanatory, numerical, and specific information, as well as novel metrics of historical and objective content based on natural language processing and machine learning. I find that firms use softer language during poorly performing years, and that this effect is stronger in less ambiguous settings. I also find that proprietary costs stemming from different types of competition differentially influence disclosure firmness. I corroborate my findings using exogenous variation in entry threat resulting from import tariff rate reductions. My results suggest that performance and competition incentives encourage managers to use an arsenal of linguistic attributes in shaping their disclosure strategy. Overall, I take a first attempt at studying the economic determinants of disclosure firmness, a concept germane to the historical debate on relevance versus reliability.
Sand tray interviews:

This article presents the “sand tray interview” as a method developed to help researchers interview young children on sensitive topics. Earlier studies have often refrained from interviewing young children on sensitive matters due to their difficulties in such research. This article details how sand tray interviews can be a safe and engaging way for young children to explore painful topics, such as parental bereavement. Based on our application, we discuss the development of the method and debate the applications, strengths, and limitations.
Dynamic capabilities and business model innovation in sustainable family farming

Purpose – The study aims to understand how dynamic capabilities (DCs) contribute to business model innovation (BMI) in sustainable family farming. The agrifood sector has been seeking solutions for the development of agroecological markets. Thus, the authors have analyzed the challenges imposed to innovationandsustainabilitystrategicmanagementandthevaluepropositiontosustainthebusinessovertheyears. Design/methodology/approach – Considering the complexity of organizations and through an exploratory multiple case study of initiatives identified in the Organic Fair of Curitiba ’ s Passeio P (cid:1) ublico, it was possible to analyze the evolution of the business models (BMs) and the fair itself. Furthermore, it was possible to identify the DCs within the influence of agroecosystem elements on the innovation development. Findings – Analyzingeachcaseindividually,theauthorsunderstoodthedifferentdimensionsoftheevolution of BMs considering the organizational complexity. The authors conclude that the balance between organizational practices and changes in the environment, engagement and learning plays a significant role in the developing competitive advantage. The same applies to the patterns that precede the development of DCs and BMs. Originality/value – The article investigates innovation in agroecological BMs from a dynamic capability perspective. The agroecological BM is a subject that is still little discussed in the literature. In addition, the authors chose a context that includes socioenvironmental aspects and a few specificities of family farming in Brazil.
On the Hodge theory of stratified spaces

This article is a survey of recent work of the author, together with Markus Banagl, Eric Leichtnam, Rafe Mazzeo, and Paolo Piazza, on the Hodge theory of stratified spaces. We discuss how to resolve a Thom-Mather stratified space to a manifold with corners with an iterated fibration structure and the generalization of a perversity in the sense of Goresky-MacPherson to a mezzoperversity. We define Cheeger spaces and their signatures and describe how to carry out the analytic proof of the Novikov conjecture on these spaces. Finally we review the reductive Borel-Serre compactification of a locally symmetric space to a stratified space and describe its resolution to a manifold with corners.
Saving Lives with Pre-arranged Disaster Aid: Evidence from Mexico

Developing economies are not disproportionately exposed to natural disasters, but they experience signiﬁcantly more deaths. Exploiting a discontinuity in the eligibility rules to Mexico’s pre-arranged disaster fund (Fonden), I show that accelerated reconstruction of public infrastructure can fully reduce postdisaster excess mortality in the short-run and up to 75 percent two years after. Fonden’s impact is concentrated in areas with medical infrastructure and among conditions responsive to basic and freely available medical care. These ﬁndings suggest that Fonden operates by restoring access to health services. I also show that Fonden is cost-eﬀective, and its beneﬁt-cost ratio is at least 4.9. (JEL: G22, H12, H84, Q54, I15, O18.)
Mixed Gaussian‐lognormal four‐dimensional data assimilation

In this paper, the current methods that are used for deriving the Gaussian cost function in four-dimensional variational (4D VAR) data assimilation, are extended to lognormal and mixed, lognormal and Gaussian, random variables (rv). It is also shown that transforming a lognormal rv into a Gaussian rv to use in a Gaussian based 4D VAR results in the analysis state being similar to a median in lognormal space. An alternative version of the functional approach is derived so that the minimum of this alternative cost function is the mode in lognormal space. However, the current approaches do not allow for a generalized probability density function (pdf) approach, to overcome this a general probability model is derived so that the mode is found for any pdf from Bayesian networks and conditional independence properties. It is shown that the current Gaussian cost function and the lognormal can be found by the probability model method. The paper is finished by comparing the median approach with the modal approach in the Lorenz 1963 model for both weak and strong constraint 4D VAR and show that the mode is a more reliable analysis statistic than the median under certain circumstances.
Extremes and gaps in sampling from a GEM random discrete distribution

We show that in a sample of size $n$ from a GEM$(0,\theta)$ random discrete distribution, the gaps $G_{i:n}:= X_{n-i+1:n} - X_{n-i:n}$ between order statistics $X_{1:n} \le \cdots \le X_{n:n}$ of the sample, with the convention $G_{n:n} := X_{1:n} - 1$, are distributed like the first $n$ terms of an infinite sequence of independent geometric$(i/(i+\theta))$ variables $G_i$. This extends a known result for the minimum $X_{1:n}$ to other gaps in the range of the sample, and implies that the maximum $X_{n:n}$ has the distribution of $1 + \sum_{i=1}^n G_i$, hence the known result that $X_{n:n}$ grows like $\theta\log(n)$ as $n\to\infty$, with an asymptotically normal distribution. Other consequences include most known formulas for the exact distributions of GEM$(0,\theta)$ sampling statistics, including the Ewens and Donnelly--Tavar\'e sampling formulas. For the two-parameter GEM$(\alpha,\theta)$ distribution we show that the maximal value grows like a random multiple of $n^{\alpha/(1-\alpha)}$ and find the limit distribution of the multiplier.
Poisson Brackets with Prescribed Casimirs

Abstract We consider the problem of constructing Poisson brackets on smooth manifolds $M$ with prescribed Casimir functions. If $M$ is of even dimension, we achieve our construction by considering a suitable almost symplectic structure on $M$ , while, in the case where $M$ is of odd dimension, our objective is achieved using a convenient almost cosymplectic structure. Several examples and applications are presented.
Estimating the Mass of Food Components Necessary for the Utilization of Free Radical Particles in the Human Body

The article proposes an algorithm for an approximate assessment of the molar volume of free radicals generated in the human body per day. It takes into account the act of breathing, physical activity, food consumption, the influence of unfavorable environmental conditions, exposure to xenobiotics, as well as bad habits (alcohol and tobacco smoking). A calculation of the required set of the most commonly used food products for the disposal of free radicals was made. The calculation is a structure of four blocks with the possibility of adding optional data from human population genetic studies, environmental conditions, etc. In the proposed algorithm, the results of antiradical activity (ARA) of food products are used as input, including the results of predicting antiradical activity using artificial neural networks (ANN), which we published earlier. Based on the accepted values of one equivalent (in terms of the activity of 1 μmol of ascorbic acid), it was shown (for our data) that for the utilization of all free radicals produced in the human body per day, it will take an average of ≈260 to ≈540 g of food components in terms of dry mass (including proteins, fats, carbohydrates, etc.). At the same time, for the utilization of consumed xenobiotics, from 220 mg (in terms of vitamin C) to 260 mg (in terms of acetylcysteine -NAC) of additional plastic components or 11.5–13.0 g of essential amino acids will be required, which must be taken into account when calculating diets. This approach will be useful in the development of new functional foods, as well as in assessing the possible impact of diets on human health. Another applied point of this study is related to the possibility of using these data for better detailing and selection of food products for people working in conditions of increased radiation (in space conditions), in contact with harmful substances (chemical synthesis and production), for people practicing increased physical activity (bodybuilding and sports), and for the purposes of medical nutritional therapy.
Height correlation of rippled graphene and Lundeberg-Folk formula for magnetoresistance

Application of an in-plane magnetic field to rippled graphene will make the system be a plane with randomly distributed vector potentials. Massless Dirac fermions carrying charges on graphene are scattered by the vector potentials and magnetoresistance is induced proportional to the square of amplitude of in-plane magnetic field $B_{\parallel}^2$. Recently, Lundeberg and Folk proposed a formula showing dependence of the magnetoresistance on carrier density, in which the coefficient of $B_{\parallel}^2$ is given by a functional of the height-correlation function $c(r)$ of ripples. In the present paper, we give exact and explicit expressions of the coefficient for the two cases such that $c(r)$ is (i) exponential and (ii) Gaussian. The results are given using well-known special functions. Numerical fitting of our solutions to experimental data were performed. It is shown that the experimental data are well-described by the formula for the Gaussian height-correlation of ripples in the whole region of carrier density. The standard deviation $Z$ of ripple height and the correlation length $R$ of ripples are evaluated, which can be compared with direct experimental measurements.
The influence of the soil plug on the bearing capacity of bucket foundations in clay

ABSTRACT The soil plug is a common problem in the installation of bucket foundations for offshore wind turbines (OWTs), but there is little research about the influence of the soil plug on the bearing performance of bucket foundations. In this paper, the range of soil plug height is firstly determined according to the recordings of engineering cases and geotechnical tests in the published literature. Then the finite element models of bucket foundations with different soil plugs are established to investigate the influence of the soil plug on uniaxial and combined bearing capacities under different soil properties and embedment ratios. Based on the numerical results, a bearing capacity calculation method of bucket foundations considering the effect of soil plug is proposed. The proposed equivalent method can be used to evaluate the influence of the soil plug on the bearing capacities of bucket foundations.
On Palindromic Widths of Nilpotent and Wreathe Products

We prove that the nilpotent product of a set of groups $A_{1},\dots, A_{s}$ has finite palindromic width if and only if the palindromic widths of $A_{i}, i=1,\dots, s,$ are finite. We give a new proof that the commutator width of $F_n \wr K$ is infinite, where $F_n$ is a free group of rank $n \geq 2$ and $K$ a finite group. This result, combining with a result of Fink \cite{f1} gives examples of groups with infinite commutator width but finite palindromic width with respect to some generating set.
Excitation/Inhibition Balancing in 2D Synaptic Transistors With Minority-Carrier Charge Dynamics

Most of the reported synaptic FETs with majority-carrier charge traps suffered from unbalanced excitatory and inhibitory behaviors. Here, we demonstrate an ambipolar WSe2 synaptic FET with the charge dynamics of both electron and hole charge traps. The device shows balanced excitation and inhibition to a gate stimulation, due to the participation of minority-carrier charge traps. As a result, a nearly zero asymmetry with low nonlinearity of 0.04 is realized in long-term potentiation and depression (LTP/LTD). Good device repeatability is confirmed by device-to-device and cycle-to-cycle tests. A high accuracy of 92.8% is realized in the pattern recognition simulation. The proposed devices possess great potential in high-accuracy neuromorphic computing applications.
A chain of magnetic flux ropes in the magnetotail of Mars

The interaction of Mars with the solar wind leads to the formation of a magnetotail through which significant quantities of planetary plasma are transported. Of particular interest is the extent to which this plasma transport could be affected by magnetotail dynamics, for example by magnetic reconnection and flux rope formation. Here we show observations from Mars Global Surveyor of multiple flux ropes observed in Mars' magnetotail current sheet. A chain of at least three flux ropes is observed; based on the geometry of the encounter, the flux ropes are all being ejected in the same direction from a single dominant site and modeling shows that at least two of the flux ropes are close to being in a force free condition. Given geometrical considerations, it is likely that the flux ropes are generated sequentially rather than simultaneously, suggesting periodic generation via secondary instabilities at the reconnection site.
Can Precession Power the Geomagnetic Dynamo

Summary The power requirement of a stationary geomagnetic dynamo driven by some agency external to the core (e. g. precession) is equal to the ohmic dissipation in the core, Q1. For a dynamo in which differential rotation is important we show that Q1ασ1−2, where σ1∼ 5 × 105 ohm−1 m−1 is the electrical conductivity of the core. Estimates of Q1 for kinematic dynamo models range from 109 to over 1012 Watts, depending on the particular regenerative scheme characterizing the dynamo. Precessional power input to the magnetic field can be estimated in terms of the electromagnetic part of the core-mantle coupling and the tiltover angle (inclination of the core angular momentum vector to that of the mantle). We correct Stacey's estimate of core-mantle coupling to take into account the diurnal frequency of precession-induced flow relative to the mantle, and show that the power available from precession to stir the core cannot exceed 108 W if the core flow remains stable. As a caution against the widespread uncritical acceptance of Malkus’ claims to have demonstrated the energetic adequacy of precession-driven hydromagnetic turbulence, we enumerate the mathematical and physical errors which cast doubt on his theoretical arguments.
Bounding group orders by large character degrees: A question of Snyder

Abstract Let G be a nonabelian finite group and let d be an irreducible character degree of G. Then there is a positive integer e so that |G| = d(d + e). Snyder has shown that if e > 1, then |G| is bounded by a function of e. This bound has been improved by Isaacs and by Durfee and Jensen. In this paper we will show, for groups having a nontrivial, abelian normal subgroup, that |G| ≤ e4 - e3. Given that there are a number of solvable groups that meet this bound, it is best possible. Our work makes use of results regarding Camina pairs, Gagola characters, and Suzuki 2-groups.
Evaluating quasi-local angular momentum and center-of-mass at null infinity

We calculate the limits of the quasi-local angular momentum and center-of-mass defined by Chen-Wang-Yau \cite{CWY} for a family of spacelike two-spheres approaching future null infinity in an asymptotically flat spacetime admitting a Bondi-Sachs expansion. Our result complements earlier work of Chen-Wang-Yau \cite{CWY2}, where the authors calculate the limits of the quasi-local energy and linear momentum at null infinity. Finiteness of the center-of-mass limit requires that the spacetime be in the so-called center-of-mass frame, a mild assumption on the mass aspect function amounting to vanishing of linear momentum at null infinity. With this condition and the assumption that the Bondi mass is non-trivial, we obtain explicit expressions for the angular momentum and center-of-mass at future null infinity in terms of the observables appearing in the Bondi-Sachs expansion of the spacetime metric.