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The purpose of this study was to determine the stages of creating a group tourist monitoring application using Firebase Realtime Database. Foreign tourists tend to visit Bali in groups and choose tour packages offered by the travel. During a tour at a tourist site, tourists are often too far away from...

As one of the effective measures to reduce greenhouse gas emissions, the carbon trading mechanism has received increasing attention from countries around the world and has made significant development. This paper reviews the emergence and the development of carbon emissions permit trading and compares...

This study aims to determine student perceptions of online lecture evaluations, such as convenience to obstacles faced by students. This type of research is descriptive quantitative research, taking a purposive sample, namely students of Accounting Education, Universitas Negeri Surabaya. The data collection...

The oxygen blast furnace (OBF) is a new ironmaking technology. The coke rate and carbon dioxide emission can be decreased greatly in the OBF process. In the OBF process, the room-temperature oxygen is blown and the preheated top gas of CO₂ stripped is recycled into the furnace. The recycled gas has various...

‘Peak Carbon Dioxide Emission’ and ‘Carbon Neutrality’ are the carbon emission reduction targets set by China to deal with major climate problems caused by the rise of global greenhouse gases. This paper takes carbon finance markets as the research object and selects the daily data of carbon trading...

This study aims to determine how the relationship of the ability of spatial thinking to the understanding of image interpretation google earth in the matter of remote sensing in SMA Negeri 2 Karanganyar. Type of study in this research is Quantitative Research. The population in this research is all students...

Many students in India have difficulty with career. Decisions out of lack of structured and affordable guidance. In particular in rural and semi-urban areas. Most existing digital. Career guidance tools are not to the Indian. Education which also does not take into account subject eligibility, entry....

The flue gas compression system in a 300MW oxy-coal fired boiler unit is taken as an object of study. By the leakage test of quad-section rotary gas-gas preheater on B-MCR condition, the influence from the leakage on the operation parameters of the flue gas compression system were analyzed. The results...

As one of the most dominant asset pricing models in the field of finance, the Capital Asset Pricing Model (CAPM) is frequently used to assess the risk and expected return in project finance. Yet, this mathematical model is still lacking in studies in the field of energy commodities. In this paper, the...

This is an avant-garde e commerce-controlled audio platform project specifically designed for visually impaired persons. The platform uses the Django web framework to add text to speech and speech recognition support, which allows a user to browse through the store, search for products, and complete...

Electrospun fibers with many advantages such as nano-structure, large specific surface area, high porosity, have been widely applied in the field of sensors. This paper mainly introduces latest development of electrospun fiber applications in biosensors, gas sensors and metal ion sensors. Biosensors...

Study of the methane-air explosion mechanism is of great important for the safety utilization of the coal bed methane and safety production of coal mine. The methane-air explosion reactions were numerical simulated in a closed spherical 20 dm3 vessel with the ignition electrode at the center. The simulation...

The probe and measurement circuit for the liquid level measurement of ultra low temperature cylinder was designed. Liquid Nature Gas( LNG) sensor is a coaxial capacitance sensor which was used with the material of 304 stainless steel. Teflon was used as an insulating material to isolate the stainless...

The exhaust flue gas cooler in a 300MW oxy-coal fired boiler is taken as an object of study. The simulation model of the cooler was established by the method of lumped parameter. The change rule of the exhaust flue gas cooler parameters and the flue gas thermal physical property parameters were analyzed...

Advancement of innovative trends in the development of the Russian economy under current geopolitical and economic conditions is the only way for the Russian enterprises to preserve and hold favorable positions on the home and international markets. In order to improve the current situation and pass...

Standalone multi-element complementary microgrid plays a very important role in solving the electricity problems of many areas, which are rich in renewable energy but have problems in the power supply of traditional power grid. To ensure the reliability of power supply while improving overall economic...

Surface(Rayleigh)wave are induced at solid-gas or solid-liquid interfaces, when the probe is at the second critical angle setting; The surface wave profile is mainly transverse and so the surface wave is approximately a shear wave at its critical angle. The variation of sound velocities with frequency...

Fostering marital relationships is desirable by everyone with the aim to achieve happiness and satisfaction in life. In the past, women were identical with the roles and responsibilities to take care of the family, in contrast to present days, where women also get the opportunity to make a living either...

A stripe texture with diameter and spacing of 300 m was prepared on the surface of 304 steel substrate via M-DPSS-50 semiconductor laser marking machine. Then, nitriding treatment on the textured surface was conducted by using well type gas nitriding furnace. The chemical composition, surface morphology...

Taken the main problem in China’s current energy development as the studying background, this paper builds a dynamic computable general equilibrum model of 22 sectors. Based on 2002 China input-output table, this paper implements static analysis and dynamic analysis on China’s energy policy by this CGE...

The Covid-19 pandemic is still happening in the world. However, learning activities must continue. One solution from the government is to implement a policy of learning from home or online learning. Even though learning is online, educational institutions are still trying to meet learning objectives,...

This Covid-19 situation has forced individuals to practice physical distancing and stay at home. This affects individuals’ communication with each other. One of the means of communication that can be used for long-distance communication is social media or application. This thesis discusses the correlation...

Big Data is a new label given to a diverse field of data intensive informatics in which the data sets are so large that they become hard to work with effectively. The term has been mainly used in two contexts, firstly as a technological challenge when dealing with data-intensive domains such as geographical...

Modern manufacturing basically relies on CAD, yet building precise 3D models is still manual grind process which usually demands a lot of expertise. While Generative AI is beginning to address this through Text-to-3D, current models often prove insufficient for practical engineering. They tend to produce...

The method of formulation of tabular data of mean specific heat capacity of gases is discussed and an empirical formula to fit these data is given in this paper. A linear function of temperature is chosen as the formula to piecewise fit mean isobaric specific heat capacity data over a wide range of temperature....

Covid-19 pandemic brings a lot of changes in all sectors of life, including in educational section. However, it is not changing the vision and mission of educational aims and objectives. This pandemic has changed the mode of teaching-learning process in all level of educational system, from beginners...

Common terrain is mountainous in southern China, this terrain to the transmission coverage Engineering brings certain challenges, How to take advantage of existing knowledge combined with practical engineering experience to sum up a set of calculation methods suiting for mountainous areas, that is very...

The direction and limitation of desulfurization and denitrification reaction were analyzed by calculating thermodynamic functions, and the reaction mechanism of desulfurization and denitration was proposed. The pollutant removal efficiencies were deduced by the equilibrium partial pressure of SO2 and...

A gas pressure control instrument for air-assisted extrusion has been manufactured by us. The principle, hardware connection and software design of this controller are introduced in this paper. The PLC micro controller is assembled in hard connection with pressure sensor and control valve. The 24V power...

This research aims to develop sound wave interference props to support sound wave interference learning in high school. This study uses the research and development method with the ADDIE model which consists of 5 stages, namely analyze, design, develop, implementation, and evaluation. The props is intended...

The thin layer of MnO2 nanowires with a three-dimensional (3D) porous network structure is uniformly supported on the surface of cordierite honeycomb ceramic (CHC) monolithic substrate by the in-situ deposition method. A series of characterizations of scanning electron microscopy (SEM), X-ray powder...

In this study, unbalanced magnetron sputtering approach was used to prepare SiC film by using high-purity Si target. SiCO films were synthesized by reactive radio-frequency sputtering from a SiC target with oxygen gas. Nano-indentation and scratch test were used to study the mechanical properties of...

This study examines long-term cultural shifts in individualism and collectivism by analyzing English word frequencies in the Google Books Ngram corpus (1800–2022). Five pairs of individualism–collectivism words (I–we, me–us, get–give, self–obligation, choose–obey) were used to construct a composite individualism–collectivism...

In this research, the concept of technology domestication in Chinese family settings is explored in terms of adopting American intelligent home products using a qualitative case study method involving 12 multi-generational families in Beijing, Shanghai, Shenzhen, and Hangzhou for a period of 8 months....

Nitrogen was introduced in the process of fix-bed pyrolysis reactor as convection gas, and the influence of convection gas/gas production rate ratio and material height on the heat transfer and pyrolysis products was researched. The results showed: With the increase of convection gas/gas production rate...

The production of Portland cement accounts for approximately 8% of the 37 billion tonnes of carbon dioxide released into the atmosphere annually. Unlike traditional concrete, geopolymer concrete significantly reduces greenhouse gas emissions by up to 80% due to the absence of calcium carbonate conversion...

Hongyuan Coal Mine belongs to low gas permeability coal seam, its permeability coefficient is lower than 0.1m2/(MPa•d), so the gas extraction will be difficult to do and the efficiency of extraction will be low, underground gas extraction has been using polyurethane to seal hole and this method exits...

With the development of mobile Internet, more and more people begin to get convenient service by mobile phones. Obtaining one's current location by GPS positioning or network positioning has become one of the important foundations in most applications of location based service. In this paper, we designed...

This research aims to describe the implementation of online learning in Saturday English Gathering Activities (hereafter termed “SEGA”) program at a private university (hereafter termed “Sun University”) in Surakarta Indonesia. The object of this research is the implementation of the online learning...

A technique has been developed to diagnose the plasma column generated with Surface-Wave sustained plasma (SWP) source under different conditions. Principal physical properties, ion density and electron temperature were studied. Influence of several factors, such as the microwave power, the gas pressure...

Introduction: The skin may protect against the adverse haemodynamic effects of dietary salt by storing excess sodium in an osmotically inactive form, bound to glycosaminoglycans. However, this novel pathway has not been comprehensively studied in humans. Methods: 85 healthy volunteers (37 m, 48 f) <50...

Transparent conductive thin films of aluminum-doped zinc oxide (ZAO) were prepared by radio-frequency magnetron sputtering with ZAO (98 wt% ZnO, 2 wt% Al2O3) as the ceramic target. The visible transmittance was investigated by ultraviolet–visible spectroscopy, the carrier concentration and Hall mobility...

The increase in the amount of pizza consumption in the city of Padang has increased the competition in the pizza restaurant business, so it is important for companies to create a marketing strategy to attract consumers in order to increase the company’s competitive advantage, by utilizing digital marketing,...

Lamps with about 20W/m2 UV emission were made in our work. The lamp was fabricated by ITO glass and bonded aluminum with porous alumina on the surface. The working gas is the mixture of argon and Nitrogen. Lamps properties were investigated.

The study aims to determine the effect of service quality and perceived value on customer satisfaction, with customer trust as a mediating variable or indirect influence. The study was conducted in Solo, Central Java, Indonesia, with sample students. This study uses quantitative and data collection methods...

internet technology development is participating for creating the business competition among business people by utilizing social media marketing accounts as marketing tools to promote their products so that business competition becomes hard. Business people are required to pay more attention to the use...

Background: Third trimester pregnant women usually experience anxiety because labor is approaching. Anxiety is a vague and pervasive worry related to feelings of uncertainty and helplessness. Anxiety for pregnant women is dangerous because it can cause complications and even death. One of the therapies...

Schools and parents need to create a learning environment that is not boring, comfortable, or enjoyable for students. Classes that are comfortable and have adequate facilities will facilitate students learning process. Since teachers, parents, and students are all involved in the learning process, the...

Case retrieval is a crucial step in case-based reasoning (CBR), which is related to decision-making effectiveness. To improve decision support, CBR usually calculates case similarity and evaluates utility. However, the psychological behavior of decision makers is seldom considered in case retrieval....

To determine optimum extraction process of volatile oil from flower of Scindepus aureus and analyze its chemical composition. The essential oils were extracted from S. aureus by microwave-assisted extraction (MAE), distillation time, solid-liquid ratio. Microwave Power were investigated with extraction...