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Fly ash and bottom ash waste from coal combustion in steam power plants has the potential to be utilized as an alternative raw material in the production of environmentally friendly paving blocks. This study aims to evaluate the effect of fly ash variation on the physical and mechanical properties of...

The structural and electronic properties of BeZnO alloys were investigated by DFT+U method, the Uo,p = 10.2eV for O 2p and UZn,d = 1.4eV for Zn 3d were obtained as the Hubbard U values, using this U values the calculated band-gaps of ZnO and BeO are well consistent with the experimental values.The lattice...

The intention of this paper is to reveal the mechanical properties of steel fiber reinforced concrete (SFRC) at different volume fractions of steel fiber and demonstrate that it can be applied as support in underground coal-mine tunnels. With the similar simulation tests and FLAC finite-element numerical...

This research is the result of research with Contract Number: 0225 / D5 / SPKP / LPPM / UNPAM / II / 2020. This study aims to determine the urgency of legal protection for children’s rights from violence in the city of South Tangerang. The focus of this research is on the role of the Integrated Service...

Macroalga, due to its high-harvesting yield, easily available, low-cost, and eco-friendly, become more and more favored tool-like alga for researchers. The method of control harmful algal blooms (HABs) by macroalga is an international study issue, and the water extract of seaweed have the advantage of...

This paper aims to study the asymptotic approximation of some functions defined by the q-Jackson integrals, for a fix q ]0, 1[. For this purpose, we shall attempt to extend the classical methods by giving their q-analogues. In particular, a q-analogue of the Watson's lemma is discussed and new asymptotic...

A pot experiment was conducted to study the effects of exogenous melatonin (MT) on photosynthetic characteristics of eggplant under cadmium (Cd) stress. Five treatments were used in the experiment: leaves were sprayed with 0 (CK), 25, 50, 100 and 150 mol•L-1 concentrations of melatonin solution. The...

We conducted an immersion test for fresh and precast concrete in Na2SO4 solution of 5 g/L over 3 years. The water-to-binder ratio is 0.50 and the proportions of fly ash are 0-35%. The descent rate of compressive strength curve is regarded as the criterion, and the conclusions are as follows: (1) For...

In order to study the energy evolution law of rock under the combined action of freeze-thaw cycle and loading and unloading, the freeze-thaw cycle and graded cyclic loading and unloading tests were carried out on coarse-grained sandstone, and the mechanical properties and energy evolution characteristics...

A series of flame retardant epoxy resin composites with different content of PEPA-substituted polyphosphoramide (PSA) were prepared. The flame retardancy of EP/PSA composites was evaluated by UL-94 vertical burning test and the pyrolysis combustion flow calorimetry (PCFC). With the incorporation of 20...

This study explored the development and application of a random number generator following the Bernoulli distribution, emphasizing its significance in various fields such as simulation experiments, probability analysis, optimization algorithms, and machine learning. The generator’s versatility in generating...

Shallots (Allium ascalonicum L.) have been cultivated intensively in Indonesia for a long time. These horticultural crops have high potential and economic value. However, the domestic production itself is not able to meet national demands. Continuous use of chemical agents will negatively impact the...

Objective To investigate the application value of combined application of reducing the radiation dose by iDose low-dose scan strategy and using iodixanol as contrast agents in elderly CTA detection to aortic dissection. Methods 36 cases of aortic dissection were enrolled. According to number table, they...

This paper presents the seism dynamic analysis of a ten-stories building equipped with anti-seismic viscous fluid dampers, in order to determine the influence of the damping coefficient c on the building relative displacements and dampers forces during seism. By modifying the damping coefficient c, three...

Here we study the notions of lattice-valued finite state machine and lattice-valued fuzzy transformation semigroup when the lattice consists of all the closed subintervals contained in [0, 1]. So, we can apply techniques of interval-valued fuzzy sets to fuzzy automata. In particular, we prove that Atanassov’s...

We construct algebro-geometric upper triangular solutions of rank two Schlesinger systems. Using these solutions we derive two families of solutions to the sixth Painlevé equation with parameters (1/8, ‒1/8, 1/8, 3=8) expressed in simple forms using periods of differentials on elliptic curves. Similarly...

With the rapid development of society and economy, the development of the real estate industry has always been in a leading position, but the change of housing prices has led to housing problems affecting every Chinese people. This paper predicts the trend of real estate prices in Nanning in the next...

Despite the sound growth of China's service industry, the quality level of the industry in the country remains to be improved. In the existing documents, there is a lack of research on the integrated quantitative evaluation of service industry quality. This paper first introduces quality concepts and...

Experimental studies to compare spray characteristics of kerosene fuels and diesel fuel were performed in a constant-volume vessel. Three kinds of fuels such as -10# diesel, aviation kerosene and lamp kerosene were tested. The spray characteristics were studied by use of the shadowgraph method. The spray...

Tobacco is a plantation commodity used as the main ingredient of cigarettes. Nicotiana tabacum extract as biopesticides are nicotine content, d-limonene, pyridine, and indole on tobacco used as pest control of plants. This study examined the Effect of Nicotiana tabacum Extract Concentration as Biopesticide...

Indigosol dye batik effluent is toxic since it excesses contain decreasing agent sodium hydrosulfite that is oxidized to alkali and alkaline earth metal sulfate (SO42-), sulfite (SO32-), and thiosulfate (S2O32-) that very corrosive. Therefore, the role of environmental biotechnology in the technology...

This study aims to find out which one is more effective between Explicit Learning Instruction (experimental group) and learning using varied lecture (control group) method on students’ learning outcomes of Social Sciences subjects. The subject of the research was the students of grade VII SMPIT Insan...

The soil-water characteristic curve (SWCC) is a crucial parameter for studying the movement of water in unsaturated soils. This study established three bulk densities (1.45, 1.55, and 1.65 g/cm3) to simulate tailings at different depths, utilizing the centrifuge method to determine their SWCCs and evaluate...

MnO2 is directly deposited on active carbon (AC) to synthesize AC/MnO2 composite to improve the capacitance of electrode material. AC/MnO2 composites are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and N2 adsorption-desorption, and the electrochemical properties are evaluated...

In this paper, the influence of circulating cooling water temperature and ultrasonic treatment on scaling process is investigated by using the experimental platform of fouling dynamic monitoring, and the change rule of fouling thermal resistance and scale inhibition rate are defined. In the process of...

With the implementation of the “Two-Child Policy” in 2016, many families welcomed a second child, which significantly changed the family structure. Sibling relationships highlight significant differences between families with two children and those with only one child. These relationships can be categorized...

Isolation of seed-borne fungal endophytes on sengon (Falcataria Moluccana). The purpose of this study was to compare seed-borne fungal endophytes from tolerance and susceptible sengon (Falcataria mollucana Miq) sampled from Kediri, East Jawa Province, Indonesia. Seed sampled is taken from plants that...

Abramovic’s Rhythm 0 reveals many of Foucault’s ideas about power, including how power is exercised and some of the characteristics of power. Through the analysis of the performance itself and the application and understanding of Foucault’s point of view, the author will give more in-depth consideration...

The shifting of layers has great effect on the permeability which is a key parameter in resin transfer molding (RTM). In this paper, a mathematical model was developed to predict the out-of-plane permeability of 0°/45° alternative multilayer fabrics with one extreme structure. The global permeability...

A series of (1-x)LiNbO3-xBiYbO3 (x = 0, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06) lead-free piezoelectric ceramics were prepared by conventional solid-state reaction. The effect of BiYbO3 content in LiNbO3 system on crystal structure, microstructure, dielectric and piezoelectric properties have been investigated....

The black soybean (Glycine soya Sieb. & Zucc) is a species of legume native of East Asia, widely grown for its edible bean, which has numerous uses. Furthermore, it is used as a raw material in the soy sauce industry, and its protein and antioxidant content is preferred to yellow soybeans. This study...

The evaluation of underground space development suitability is a crucial initiative for the multidimensional development of cities. It serves as the primary foundation and basis for formulating scientific and rational underground space utilization plans and land use regulations. Recent domestic research...

We study the simple-looking scalar integrable equation fxxt − 3(fx ft − 1) = 0, which is related (in different ways) to the Novikov, Hirota-Satsuma and Sawada-Kotera equations. For this equation we present a Lax pair, a Bäcklund transformation, soliton and merging soliton solutions (some exhibiting instabilities),...

Phalaenopsis amabilis (L.) Bl. is an orchid that is included in the list of endangered plant species. The Fusarium wilt disease on P. amabilivirala vital disease caused by Fusarium oxysporum, which of one constraint and up to now days is not well yet managed. Disease control that does not cause negative...

Tilapia has a significant economic value, making it one of the important freshwater fish species in aquaculture. The goal of this study was to identify the many types of tilapia that can be found in the wild and captivity (Floating Net Cages), as well as to evaluate the water quality in Ranu Klakah,...

The neo-industrial paradigm involves automation of productive forces and introduction of high technologies. A significant value in neo-industrialization is given to innovations that can only be implemented on a high-tech industrial site and advanced automated technologies that allow flexible response...

To study the main properties of the SAC cement in cement-based grouting materials, including fluidity, setting time and compressive strength, a composite grouting material was made by combining ultrafine slag powder with cement. The cement slurry was prepared by replacing different proportions of Portland...

This research was conducted to determine the physical quality of local chicken eggs marketed in Purworejo Regency, Central Java. The method in this research is direct survey and monitoring. Samples were purchased from traders in the Baledono market, Kongsi market and Suronegaran Market, as many as 8...

Some plants can prevent seed germination and other plants’ growth by producing poisonous allelochemical ingredients. This research aimed to study the effect of basil leaves extracts on the germination characteristics of several vegetables. The experiment was conducted in factorial based on a completely...

We evaluate the number of complex monic polynomials, of arbitrary degree N, the zeros of which are equal to their coefficients. In the following, we call polynomials with this property peculiar polynomials. We further show that the problem of determining the peculiar polynomials of degree N simplifies...

The connection of wind farm causes influence on the power system voltage stability because of the volatility and intermittency of wind power. In this paper, based on researching a regional wind farm, the influence of power fluctuation on power system voltage is analyzed. The influences of different settings...

Methane-oxidizing bacteria is the branches of methyl oxidation bacteria, It is a kind of gram-negative bacteria, which can directly use methane as carbon and energy sources. Methanobactin (Mb) is a fluorescent peptide released by the Methane oxidizing bacteria. It consists of two serine, glycine, two...

In this paper, the natural exposure corrosion behavior of Q235 galvanized steel in four different substation environment including urban population centers (A), rural settlements (B), industrial park (C) and chemical industrial park (D) are studied by potentiodynamic polarization and electrochemical...

The April 2011 sixth census data showed that 0-14 years old accounted for 16.60% of the total population, down 6.29 percentage points than in 2000; 60 years and above accounted for 13.26% of the total population, up 2.93 percentage points than in 2000; 8.87% of the population aged 65 and above of the...

Literary theory is a compulsory course that must be taken by students of Bahasa Indonesia Language and Literature study program FKIP Sriwijaya University in the fifth semester. This course provides guidance for students in understanding the basic theory and applications of literary theory. To find out...

Biodiesel is an alternative energy that can be sourced from oleaginous microbes to form of single-cell oil. BR 2.2 isolate is classified as oleaginous organisms because of their ability to accumulate lipids for 28.44% of the total dry biomass. The speed of agitation in the lipid production process is...

The aim of this study was to analyze the heat transform models of phase change diving suit on the basis of the steady-heat transform theory, and determined the suitable melting temperature and latent heat of phase change materials impregnated in different suits. An insulation performance test was conducted...

This paper expounds the importance of the stability analysis of the super high tower frame in the lifting stage of the arch rib.Then the arch rib turning stage is divided into 0 degrees,30 degrees, 60 degrees, 90 degrees, 102.8 degrees five conditions,respectively carried out the force analysis of sling...

Soil salinization is becoming increasingly severe and has emerged as a significant abiotic stress factor affecting crop yields. In order to investigate the role of Conyza canadensis’s allelopathic in alleviating salt-induced damage to crops and fostering salt-tolerant varieties, this study examined some...

The objective of this research was to determine the effect of pellet with a combination leave tannin source from Acacia mangium Willd, Swietenia mahagoni, dan Artocarpus heterophyllus in pellets on in vitro nutrient digestibility. This research used three substrate tratments with different tannin levels...