Detecting deformed commutators with exceptional points in optomechanical sensors

Models of quantum gravity imply a modification of the canonical position-momentum commutation relations. In this manuscript, working with a binary mechanical system, we examine the effect of quantum gravity on the exceptional points of the system. On the one side, we find that the exceedingly weak effect of quantum gravity can be sensed via pushing the system towards a second-order exceptional point, where the spectra of the non-Hermitian system exhibits non-analytic and even discontinuous behavior. On the other side, the gravity perturbation will affect the sensitivity of the system to deposition mass. In order to further enhance the sensitivity of the system to quantum gravity, we extend the system to the other one which has a third-order exceptional point. Our work provides a feasible way to use exceptional points as a new tool to explore the effect of quantum gravity.

THE EFFECT OF EDUCATION SUPERVISION BY THE PRINCIPAL OF MTS NU AL HAMIDIYAH LANGKAPLANCAR PANGANDARAN TEACHER PERFORMANCE IN SCHOOL

This journal conducts research, which aims to find out and clarify how the effect of the implementation of educational supervision by the principal on the performance of teachers in schools. Conducting research using one approach, namely quantitative approach and expost facto type. Teachers in schools became the subject of research by taking a sample of 180 teachers, using proportional random sampling technique, and using a questionnaire about the implementation of educational supervision by the principal and data on the results of teacher performance assessments owned by the school. And from the research and assessment, it can be seen that the implementation of educational supervision by the principal does not have a positive effect on teacher performance and the implementation of educational supervision by the principal has a weak or even very weak effect on the performance of teachers in schools.

Catalytic Diversity of GH30 Xylanases

Catalytic properties of GH30 xylanases belonging to subfamilies 7 and 8 were compared on glucuronoxylan, modified glucuronoxylans, arabinoxylan, rhodymenan, and xylotetraose. Most of the tested bacterial GH30-8 enzymes are specific glucuronoxylanases (EC 3.2.1.136) requiring for action the presence of free carboxyl group of MeGlcA side residues. These enzymes were not active on arabinoxylan, rhodymenan and xylotetraose, and conversion of MeGlcA to its methyl ester or its reduction to MeGlc led to a remarkable drop in their specific activity. However, some GH30-8 members are nonspecific xylanases effectively hydrolyzing all tested substrates. In terms of catalytic activities, the GH30-7 subfamily is much more diverse. In addition to specific glucuronoxylanases, the GH30-7 subfamily contains nonspecific endoxylanases and predominantly exo-acting enzymes. The activity of GH30-7 specific glucuronoxylanases also depend on the presence of the MeGlcA carboxyl, but not so strictly as in bacterial enzymes. The modification of the carboxyl group of glucuronoxylan had only weak effect on the action of predominantly exo-acting enzymes, as well as nonspecific xylanases. Rhodymenan and xylotetraose were the best substrates for exo-acting enzymes, while arabinoxylan represented hardly degradable substrate for almost all tested GH30-7 enzymes. The results expand current knowledge on the catalytic properties of this relatively novel group of xylanases.

Clinical Features of Patients with Active Eosinophilic Granulomatosis with Polyangiitis Successfully Treated with Mepolizumab

<b><i>Background:</i></b> In some patients with eosinophilic granulomatosis with polyangiitis (EGPA), remission cannot be induced, despite treatment with corticosteroids and immunosuppressants. We evaluated the clinical features of patients with EGPA in whom mepolizumab was effective. <b><i>Methods:</i></b> There were 59 EGPA patients treated at Hiratsuka City Hospital, Japan, between April 2018 and September 2020, and 30 of them received mepolizumab. Twenty (66.7%) experienced a “marked effect” (the daily dose of corticosteroid or immunosuppressant could be decreased, or the interval between intravenous immunoglobulin (IVIG) treatments could be prolonged) and 10 (33.3%) experienced a “weak effect” (these measures were not achieved). Eosinophil numbers, serum IgG levels, daily doses of corticosteroids and immunosuppressants, and the interval between IVIG treatments at diagnosis and before and after mepolizumab initiation were determined. <b><i>Results:</i></b> Eosinophil numbers at diagnosis were significantly higher in the marked-effect group than in the weak-effect group (<i>p</i> &#x3c; 0.05) but not before mepolizumab initiation or at the last visit. Birmingham Vasculitis Activity Scores (BVASs) before mepolizumab initiation (<i>p</i> &#x3c; 0.05) and at last visit (<i>p</i> &#x3c; 0.01), and frequency of relapse before treatment initiation (<i>p</i> &#x3c; 0.05) were significantly higher, and the serum IgG level before mepolizumab treatment was significantly lower in the weak-effect group than in the marked-effect group. The weak-effect group received higher doses of corticosteroids, even if the corticosteroid dose could be reduced for a while after mepolizumab initiation. <b><i>Conclusion:</i></b> High peripheral blood eosinophil numbers at EGPA diagnosis were suggestive of a positive clinical response to mepolizumab.

The Normativity of Marriage and the Marriage Premium for Children’s Outcomes

Children born to married parents have better health, behavioral, educational, and economic outcomes than children of unmarried mothers. This association, known as the "marriage premium," has been interpreted as emerging from the selectivity of parents who marry and from a positive effect of marriage. The authors suggest that the positive effect of marriage could be contextual, emerging from the normativity of marriage in society. They test this hypothesis using the case of Chile, where marital fertility dropped sharply from 66% of all births in 1990 to 27% in 2016. The authors find that the benefit of marriage for infant health was large in the early 1990s but declined as marital fertility became less normative in society, to fully disappear in 2016. Multivariate analysis of temporal variation, multilevel models of variation across place, sibling ?fixed effects models, and a falsification test consistently indicate that marriage has a beneficial effect when marital fertility is normative and a weak effect when is not. Generalizing from this case, the authors discuss contextual effects of diverse practices and statuses.

Comparative Analyze of the Traditional and Islamic Banking Impacts on Poverty

The paper examines comparatively the impact of the financial system development on the poverty rate in three countries, in Azerbaijan, Turkey, and Iran. The authors have calculated aggregately all four aspects of financial development by developing four new indices. The effects of these indicators on poverty, as well as the effects of the annual change of these indicators on the annual change in the poverty rate, were analyzed by the OLS method. The econometric analysis used to check the stationarity of the time series, the cointegration method, and the ADF test. The main result is that the financial system has a weak effect on poverty in Azerbaijan, where traditional banking is fully implemented, and in Turkey, where Islamic banking is partially implemented. However, in Iran, where only Islamic banking is practiced, the indices of the financial system's efficiency and stability have a strong negative impact on poverty.

Functional and technological properties and methods of introduction of grain raw materials in the manufacture of meat and vegetable products

Currently, it is possible to ensure the protein balance in food only when combining plant and animal proteins. The functional and technological properties and methods of introducing non-meat ingredients (meal and grain raw materials) in the production of meat and vegetable pates are investigated. The influence of the degree of grinding of cereals on the viscosity properties of flour that has undergone hydrothermal treatment is studied. А direct dependence of the maximum value of the loading force on the degree of grinding of cereals is established, with an increase in the degree of grinding of cereals, the strength characteristics increase. The water-retaining capacity (WRC) of flour proteins was studied, so deodorised non-fat soy flour has the least ability to bind water, with a hydromodule of 1:1.75, 6.1% of water is separated, with a hydromodule of 1:2.25, buckwheat groats did not bind only 6.6% of water. Flour from cereal oat flakes, separation of non-cohesive water (8.5%) with a hydromodule of 1:2.5, with an increase in the hydromodule to 1:3, there is a slight decrease in this indicator by 7.5%. The fat module has a weak effect on the FRC of the flour samples being studied. Flour from cereals has a lower FRC, with fat modules (1:0.5) FRC does not change significantly and is from 0.44 to 0.45 g of oil per 1 g of flour, and for deodorised non-fat soy flour it is 100%. The mathematical description of the process of absorption of water and fat by flour from cereals and soy flour showed a steady decrease in WRC and an increase in WRC with an increase in hydro-and fat modules.

Effects of continuous application of Samurai and Zellek Super herbicides on cotton fields against weeds in the conditions of Uzbekistan

This scientific article provides data on the effectiveness of successive application of herbicides against annual and perennial weeds in cotton fields on arable lands plowed with simple and two-sided plows. When the herbicide Samurai (1.5 l/ha) is applied separately, the annual weeds are effectively lost (86.8-90.2%), and have a weak effect on perennials. When Zellek Super (1.0 l/ha) herbicide is used separately, it has a weak effect on annuals (24.0-32.0%), effectively reducing weeds. Both perennial weeds (90.5-93.0%) and perennial weeds are effective when applied in series with Samurai (1.5 l/ha) and Zellek Super (1.0 l/ha) herbicides 88.9 -93.3% loss. Cotton yield will increase by 1.8-5.4 q/ha compared to the control option. Consecutive application of Samurai (1.5 l/ha) and Samurai (1.5 l/ha) and Zellek Super (1.0 l/ha) herbicides against annual and perennial weeds is recommended.