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Research conducted in order to find out the related cases of distillation and illegal sales of crude oil mining products in the Bojonegoro area remain in Wonocolo village, Kedewan District, Bojonegoro Regency, East Java. Whereas according to the mandate of the 1945 Constitution that all natural resources...

One of the important factors in biodiesel production is a catalyst. The purpose of this research is to characterize sulfated montmorillonite and its application as catalyst for synthesis of biodiesel from waste cooking oil. Synthesis of sulfated montmorillonite using sulfuric acid as activator and its...

Early in February 2022, the Russian fighter fleet appeared on the Ukrainian border more specifically, in Belarus and the confrontation between Russia and Ukraine erupted once more. Given that these two nations are important producers and exporters of a variety of commodities, the impact of the Russia-...

Third member of the Feixianguan Formation in the Shaguanping area displayed oil and gas exploration prospect. Nonetheless, the reservoir characteristics and favorable area are not clear, thus confining further exploration. By studying the characteristics of structure, sedimentary facies and reservoir,...

Electromagnetic wave of electrical spark is a potential cause to eletrical equipment failure. This research focused on identificating and comparative analyzing the different types of electromagnetic waveform generated by eletrical equipment failure based on SVM. After analyzing and extracting the features...

Background. Patient safety is a cornerstone of healthcare quality, including clinical laboratory services. Management of patients related to the patient safety includes all aspect of services, which covers the process of diagnosing, giving therapy, and predicting the prognosis. An important form of clinical...

Dry reforming of methane (DRM) is a reaction of methane and carbon dioxide to produce synthesis gas (syngas), a hydrogen and carbon monoxide (H2/CO) mixture, which can have applications in the petrochemicals sector. While DRM is topical at face value, it does produce a syngas with a low H2/CO ratio not...

The emergence of multidrug resistance in bacteria due to overuse of antibiotics is becoming an important health concern in recent years, which requires development of novel alternatives to fight against these bacteria. Essential oils (EOs) are secondary metabolites that have different components and...

Maritime transport is one of the largest sources of greenhouse gas emissions, significantly contributing to global climate change. Various international instruments, including an Advisory Opinion from the International Tribunal for the Law of the Sea (ITLOS), which classifies anthropogenic greenhouse...

Qiangtang basin is the largest oil and gas basins of the Tibet plateau, the permafrost distributed widely, having good formed condition and prospecting of gas hydrate. There is carried out audio magnetotelluric (AMT) exploration research in YaHu area in order to find out the basic accumulation conditions...

The Triassic continental shale from Ordos basin was selected as the research object, through the analysis of X-ray diffraction (XRD), field emission scanning electron microscopy (SEM) and nitrogen adsorption experiment, the mineral composition and pore structure characteristics of Triassic continental...

This paper presents a simulation of the temperature distribution on the surface of a heat exchanger in the ANSYS application package. In the R&D part devoted to the development of a device for converting heat into electrical energy, models of an experimental heat exchanger have been created, including...

Emulsion type lubricants made from mineral oil, animal oil, plant oil and surfactant with its good comprehensive lubrication performances commonly used in water-based drilling fluids. However, the stable preparation techniques and the stability improvement techniques of the emulsions have been the two...

Both cerebral hemispheres take turns to adjust to extreme conditions of rotating shift work in the Arctic. As a result of chronically uncompleted acclimatization and tensed adaptive processes, the right hemisphere is mainly active which triggers some characteristic differences in higher mental functions...

The Business of Gas Stations in DKI Jakarta & Banten have become an attractive business for investors because of the demand for fuel and the growth in the number of vehicles that continues to increase every year. With so many choices of gas stations in DKI Jakarta & Banten: PERTAMINA, SHELL,...

The development of biogas in community settlements is now very much needed. It is since people’s uses of Liquified Petroleum Gas (LPG) are very high but are not matched by its availability. Many areas in the Special Region of Yogyakarta are starting to switch to using renewable energy, biogas, for cooking....

Indonesia remains highly dependent on fossil fuels and non-renewable energy sources, which contribute to global warming. On the other hand, the country has yet to fully develop waste heat utilization, especially through organic Rankine cycle (ORC) systems, to help reduce reliance on fossil fuels. Take...

Nowadays Asia is undergoing large-scale transformations in the oil and gas industry. These transformations affect, in particular, the aspect of contract currency and currency risks in international energy trade. Despite the political background, there is a significant economic component in this process....

In order to study the effect of different initial conditions on gas explosive limits, the gas explosive limits have been measured under different initial temperatures(50~200℃)coupled with different ignition energies(50~800J). Besides, it has been obtained that the change rules of the upper and lower...

WC-8Co and Nak80 is deposited on the surface of 45 steel by DZ-4000( ) multifunctional surface hardening machine what use argon as shielding gas. By means of changing the order of WC-8Co and Nak80 electrodes’ deposition and different of roughness of Nak80 coating’s surface, thesis analyzes the effects...

Petroleum residue is a by-product of oil refineries that has not been utilized optimally so that it accumulates in the stockpile tank causing disruption of the processing of petroleum into motor vehicle fuel. The catalytic conversion of oil and gas residue into liquid fuel has been carried out using...

Livestock farming is a strategic industry and has very important potential for the further development of agribusiness. It plays an important role in providing protein food for most of the global population besides uplift the rural livelihoods and economies in many developing countries. As the populations...

China is the world’s biggest emitter of greenhouse gases and one of the countries confronting global warming problems, such as air pollution and water shortage. Carbon taxing is a fee levied on companies that burn coal, oil or gas to reduce greenhouse gas emissions. The purpose of this study is to figure...

Low Density Poly Ethylene (LPDE) plastic waste has no sale value, buried in a landfill. The plastic itself cannot be broken down by microorganisms in the soil, so that people destroy it through incineration. Incineration plastics produce NOx, COx, SOx, particulates, dioxins, furans, and smoke, which...

Background: Interleukin-6 (IL-6) was considered to be with the severity and mortality in COVID-19 patients, which implies a potential therapeutic target for treatment. We aimed to evaluate the safety and initial efficacy of Tocilizumab treatment for COVID-19 patients. Methods: In the retrospective study,...

Agriculture plays a dual role in climate change, acting both as a source and a potential sink for greenhouse gas emissions. Achieving net zero emissions requires innovative farming practices that not only sustain crop productivity but also enhance carbon sequestration. This study investigates the effects...

By using a gas gun apparatus, three types of 2.5D woven composites and one type of laminated composite under ballistic impact loadings were tested under ballistic impact loadings. The trajectory of the projectile was recorded by high speed camera and then analyzed to obtain the impact and residual velocities....

Among the pollutants in the power industry emissions, sulfur dioxide so far has the most serious impact on the environment. In the desulfurization process, it is common to have data with complex correlations, high real-time, and huge amount. Data mining has become an important technique to deal with...

Compared with mining the horizontal coal seam and gently inclined coal seam, steeply inclined and very thick coal seam mining has many differences. Since the fracture development law is not clear, resulting in the application effect limitation of gas extraction, prevention and control of air leakage...

Multiscale phenomena represent a common challenge in many areas, including chemical engineering. Multiscale problems in gas-liquid flows, accompanied with highly turbulent flow and complex geometry of internals, make it difficult to achieve the fast and accurate simulation. In this report, special emphasis...

The reaction between H2S and ZnO fine particles (T302 desulfurizer) was studied. The experiment results show that at the temperature below 573K, the reaction has stopped before the complete conversion of ZnO particle is obtained. In order to explain the phenomenon, the modified shrinking core model is...

In order to generate low frequency acoustic wave and minish the ratio of the length to diameter, it is appropriate to instead the circular jet by annular jet as the high pressure gas power. So the larger diameter of jet and resonator are got in the condition of the same pressure and flux. Flow simulations...

The paper introduces the design for domestic harmful gas detection device. By choose the corresponding sensor, and obtains the harmful gas information; the operation amplifier amplifies the signal. The MCU employees the ADC to get the digital information and read the alarm value set by the user, and...

Characteristic of chemical constituent and antibacterial property from Etlingera elatior fruit have been carried out. Essential oil of plant was extracted using steam and water distillation and then analyzed by gas chromatography-mass spectrometry. Antibacterial activity of the essential oil was done...

Application of LPG for power generation in Indonesia can be replacing the usage of fuel-oil at the existing power plant. It turns out that LPG is also a flexible and low-emission alternative to other fuel types within power generation that equal with other natural gas such as LNG or CNG. The main LPG...

Hydrogen energy is a promising direction. Hydrogen energy equipment is more environmentally friendly and economical. But there are problems with the introduction of hydrogen into the energy sector: production, storage, combustion, operational safety. Hydrogen production depends on technologies, production...

Purpose of study: This study aims to identify the drivers of food waste and major countries contributing towards this global problem to contribute towards achieving the United Nations Sustainable Development Goals 2030 agenda. Responsible consumption and production (SDG 12) to ensure sustainable...

Higher education will provide a good platform for the goals of constructing the Resource-economized Society and sustaining economic growth and controlling greenhouse gas emissions. By initiating a new course of Technology and Policy Management of Low-carbon, the course content and the teaching way in...

For mining gas outburst coal dust pollution problems caused by dry drilling, this paper proposes a new mine wet compressed air ejecting dust collector. The energy-efficient experimental project of compressed air ejecting dust collector was designed, and tested the performance of the dust collector in...

Aiming at indoor harmful gas pollution of residents, a real-time online monitoring system is designed based on the detecting and control of harmful gases. The lower computer system make the STM32F103 microcontroller as the core, PC as the monitoring center, combining the technology of multi-sensor data...

Coal, petroleum and natural gas will still be the basis of economic development for a long time. However, with a rapider consumption speed, these fossil fuels will be exhausted in the near future. In addition, the usage of these fossil fuels can also cause environmental pollution and greenhouse effect....

The fast sealing technology of mine roadway is an effective method to isolate spontaneous combustion zone, poisonous and noxious gas source or gas accumulation area by establishing effective sealed wall quickly. Aiming at the problems of poor sealing effect, cumbersome operation, difficult construction...

in various regions of the Russian Federation, accidental explosions of natural gas due to improper operation of gas stoves in apartment buildings with death or injury of people cause a wide public response. It is difficult to restore (dismantle) building structures damaged by natural gas explosion and,...

Energy has been used in maritime transportation, while fossil fuels began to be used more extensively since the industrial revolution to carry more products and obtain higher propulsion power. However; climate change appeared as one of the striking problem areas around the globe, where the scale and...

New perspective of the upper structure of the bridge detection device comprises a detection device body, detection support, crawling mechanism, gas spring, motor, image acquisition device, the buckle plate, the chassis and the control device, the detection device is installed on the cable body, body...

This paper presents a research work on the simulation of a simultaneous gas absorption-desorption in the packed columns using computer software to obtain the maximum amount of absorbed carbon dioxide (CO2) into the water, the optimum L/G ratio for absorption, the optimum airflow rate for desorption,...

The purpose of this study was to determine the effect of the lesson study (LS) approach integrated in problem-based learning (PBL) model on students’ collaboration skills and to determine the differences in student’s collaboration skills between the LS integrated PBL model and the PBL model. This research...

The Taiwan Photon Source at National Synchrotron Radiation Research Center selects the KEK-B type superconducting radio-frequency (SRF) module to deliver RF energy to the 3-GeV electrons circulated in the storage ring. Each SRF module has its own control valve box to adjust the flow rate of transferring...

Since the start of COVID-19, quarantine and social distancing have become a standard social norm in containing the outbreak. During this time period, a significant drop in greenhouse gas emission has been observed and reduced commute appears to be a main contributor to such reduction. Hence, the quarantine...

Patients with asthma will experience a decrease in pulmonary function due to airway obstruction. Yoga Pranayama is a practice of meditation, self-hypnosis with positive suggestions and breathing exercise for patients with asthma that can cause optimal ventilation. This study was to explain the effect...