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The pneumatic part of the lamination machine is presented in the paper. The type of cylinder is introduced. The parameters of pneumatic device are designed. The parameter design of the pneumatic device of the box cover, the design of the parameters of the lifting pneumatic device for the cylinder, and...

In the Northern Trans-Ural region ticks are dangerous to animals as carriers and reservoirs of viruses and parasitic diseases. New compositions with prominent acaricidal qualities, the majority of which belong to the group of synthetic pyrethroids, are being constantly created against ticks. In the search...

This work is to determine the leading position of liquefied natural gas by comparative analysis with renewable energy sources as competing energy industries with a development perspective until 2035. Hypothesizing an unknown energy source capable of replacing traditional energy.

The aim of this paper is to research variation of phenolic yields in bio-oil and the effect of interactions of three components in biomass, fast pyrolysis experiments were done with cellulose, xylan (as an alternative to hemicellulose) and lignin in tube furnace at different temperatures. Phenolic yields...

Equipment used at the enterprises implementing oil and gas technologies is potentially hazardous and should be of high degree of reliability. Reliability of equipment reduces the number of defects appearing during the operation process. One of hazardous and unpredictable defects is fracture. If there...

With the rapid development of oil & gas pipeline construction, the pollution accidents are increasing in quantity. The safe operation of pipelines has aroused widespread concern. This study collected the historical cases of environmental accidents in the domestic oil & gas pipelines in recent 10 years....

Global uncertainty has an impact on various aspects, one of which is the economy. Global uncertainties caused by various factors also affect international trade, especially exports. The purpose of this research is to see how the impact of macroeconomic shocks and global uncertainty on non-oil and gas...

Gas turbine thermal efficiency degradation presents significant operational challenges, with uncertainty persisting regarding the relative contributions of underlying machine health versus compressor washing maintenance to performance recovery. This study specifically aimed to identify the dominant factor...

The main problem in the use of speedboat river vessels is the carbon monoxide (CO) exhaust emissions produced by the speedboat river vessels. This can have an impact on air pollution or pollution on speedboat river vessel passengers. So that passengers can get Acute Respiratory Tract Infection (ARI)....

Based on the theory of EKC curve, industrial waste water, industrial waste gas emissions (take SO2 as a representative) and industrial solid waste are selected as the environmental indicators. GDP per capita is used as economic indicators. According to the Huaihe River in five provinces in 2004-2014...

The exploration and geology research level is lower at East Tarim basin and the studying of carbonate reservoir at deeper basin is also inadequate in special. Dolomite of Cambrian is the prospect area, there has good condition to form high quality stratum which will be got breakthrough on exploration...

Regional development opportunities are primarily determined by their level and structure of the resource potential. The most important indicators of the regional economy state are: availability of natural resources, the structure of the able-bodied population, the level of its education, the state of...

The pore structure of shale gas reservoir is of important research significance to the development and exploitation of shale gas and domestic scholars have done massive researches on the pore structure of shale. To better study the porosity features of shale gas reservoir, the common porosity determination...

National Aeronautics and Space Administration (NASA) launched the new satellite mission called Landsat-8 on February 11, 2013. NASA improved Landsat-8 with Onboard Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS) sensors separated to 11 spectral bands. Volcanic eruption spreads a lot...

171 employees exposed to industrial anthropogenic chemical factors were examined. The sample was divided according to the principle of the presence of the cardiovascular diseases (CVD) (study group – 115 people) and their absence (comparison group – 56 people). For all employees, a chemical-analytical...

Green finance in Indonesia presents significant opportunities as the country strives towards a sustainable future. Indonesia has committed to ambitious climate objectives, including a reduction of annual greenhouse gas emissions by 31.89% domestically and 43.20% with international assistance by 2030,...

The purpose of this study is to determine and explain the stability of the value of foreign exchange reserves affected by macroeconomic variables, such as net exports, foreign investment, and foreign debt. The research method used is explanatory research with a quantitative approach. The data used in...

CO2 emissions are a global issue that many countries face. In handling this issue, one of them is by utilizing energy resources to cover CO2 emissions. However, among the many methods used to absorb CO2, one of the most effective is a process by injecting CO2 into the earth layer that also known as carbon...

ZnO sorbents with different CeO2 loadings were prepared by microwave calcination and tested the performance for H2S removal in a fixed-bed reactor at 500 . The results revealed that the Ce-doped sorbents have a higher efficiency and longer breakthrough time compared with non-modified sorbents. The optimal...

Hydrogen sulphide (H2S) is always present in biogas, and causes odours, corrosiveness, and sulphur emissions when the gas is burned. It is used regularly in internal combustion engines, turbines or fuel cells, the removal of hydrogen sulphide from biogas is required to protect the equipment. More importantly,...

Carbon capture, utilization, and storage (CCUS) is an important technology for reducing carbon emissions in the thermal power industry. However, there is currently no accounting method for the full lifecycle carbon emissions of CCUS projects. This article presents the full lifecycle carbon footprint...

The article considers development of the technology of recovering disturbed soils intended for nature protection purposes on the territory of Bovanenkovskiy oil, gas and condensate field of Yamal peninsula. In the course of operation, blend composition and consumption rates of seed material were selected,...

Drilling is a very dominant operation in all rock cutting industries, namely, mining, petroleum, natural gas and civil engineering. The objective of this study is to understand the behaviour of rock drillability by mean of penetration rate of bit, with concentration of 10 ppm of carboxymethyl cellulose,...

Analyzing the nanopore structure of organic matter-rich shale is the basis for evaluating shale reservoir properties and the potential for shale gas resource exploration and development. In this paper, we evaluate the pore characteristics and connectivity of the shale of the Lower Paleozoic Ordovician...

This paper introduces how to achieve a Jess-based intelligent diagnosis system of local ventilation in the mine field, analyzes how to add rules engine Jess into the development of intelligent diagnosis system, at the same time, it leads the theory of statistics into the inference engine to achieve the...

This work described a system of high-speed data acquisition and real-time signal processing based on Tunable Diode Laser Spectroscopy (TDLS). We used wavelength modulation spectroscopy technique to improve the de-noising performance of the system and reduce the acquisition stress of the system. We specially...

The environment is naturally polluted with reversible effects through biological and biochemical cycles. Artificial pollution from industry activities disrupts natural cycles with irreversible consequences. Internal combustion engines are among the most polluting machines manufactured by humans. Worldwide...

The problem of optimization gas or oil pipelines arrangement can be converted into Fermat problem of “Two points and One Line”. The optimal arrangement of pipelines with the same unit cost of shared or non - shared pipeline (OAPSU-Model) is proposed to study the problems of lowest cost of pipelines firstly....

Biochemical tail water of Printing and Dyeing industry is a typical low load and refractory wastewater. Its COD concentration is between 150-200 mg/L. In this pilot study, the effect of lignite-coke and ceramic filter in BAF treatment of dyeing and biochemical tail water was investigated. By comparison...

The matching technique of model-plant performance data can be used to solve several problems, such as fault diagnosis, the model calibration and deterioration estimation etc. In present paper, model-plant performance matching from the limited number of measured quantities is proposed. A gas power generator...

Some specific bamboo pellets were combusted in a tube furnace individually in different constant air flow rates (3,4 and 5 L/min) and at various temperatures (800, 900, 1000, 1100 and 1200 ), in order to investigate the dynamic emission characteristics during various respective combustion processes....

this article introduces a variation of the parameter method for solving homogeneous linear ordinary differential equations of the second order with constant coefficients, which are most often encountered in the oil and gas engineering when studying the drilling, production and pipeline transport of oil...

The coupled problem between gas flow and solid deformation in porous media analysis has important influence in contaminant transport and gas outbursts during coal mining. In this paper, it is presented an analytical method to solve coupled nonlinear models of stress and gas seepage, which consider the...

Transformer is the main equipment, whose stable and reliable operation play an important role in the state grid. The process and method of finding overheating faults are illustrated through the case of a 66kV transformer internal fault. At the same time, it is verified that the gas chromatographic analysis...

Study the effects of diesel engine emission characteristics with different adding proportions of ethanol on a DI diesel engine. The results show that with the increasing of ethanol blending proportions, the diesel exhaust gas decreases with the addition of ethanol, the emission of NOX also reduces significantly,...

Laval nozzles for important component in high-speed precision air-floating spindle gas drive systems, to establish a cross-sectional ratio is calculated by analysis of their simplified model of the two stages. Use of computational fluid dynamics (CFD) to simulate the Structural parameters of Laval nozzle--...

Based on core observation and thin section authentication, the control factors of Oxfordian Stage carbonate reservoir of Odjarly Gas field of Amu Darya Basin were discussed by comprehensive utilization of geological, drilling, seismic data etc. It was concluded that the carbonate reservoir developed...

Thermoelectric material can convert waste heat from the combustion gas into electrical energy. The objective of this work was to study the effect of fan power on the electrical output of a thermoelectric generator used in the combustion of wood charcoal. The side wall of the combustion stove has thermoelectric...

The choice of gas mediums will affect the reflected shock pressure and temperature during analyzing the shock tube. Different mediums in driver and driven section result in the Mach number disparity in the process of shock wave propagating, adversely affecting the reflected shock wave. Based on the ideal...

To achieve the green backfill of an abandoned open pit mine with a large difference chute process system, Fushun West open pit mine is used as the research subject. Based on the theory of gas-solid two-phase flow and the characteristics of large difference chutes, FLUENT numerical simulation software...

The presence of nitrogenous substances in wastewater discharges has attracted attention because of the role of nitrogen in eutrophication of receiving waters. Nitrogen removal is an important aspect of present day wastewater treatment processes. However, conventional nitrification–denitrification treatment...

Spent coffee grounds contained 45% carbohydrate, 26% lignin, 13% lipid, and 13% protein. To improve the value of spent coffee grounds in a sustainable way, a study was done on how to convert carbohydrates into fermentable sugars which could be used to make value-added products. To accomplish this, a...

The paper construct the factor decomposition model based on SDA, with the idea of jointly created and equally distributed. The model is used to analysis the energy cost change of freight hub for example. Through the analysis and calculation of the energy consumption data of freight hub, the conclusion...

The flowing bottomhole pressure (FBHP) of gas wells was affected by many factors. Although a lot of research works have been done to predict the FBHP and at least more than ten models were proposed, but no one can effectively provide an accurate results for all ranges of production data and conditions...

In the study, the AVL-FIRE software had been adopted to numerical effect analysis on combustive process of the engine. The result shows that numerical simulation results are consistent with the tested pressure, ignition point of ignition diesel is 2 ø CA ATDC, ignition point of natural gas is 2.25 ø...

As the challenges associated with developing carbonate reservoirs intensify, acidized fracturing has emerged as a crucial method for facilitating the efficient extraction of oil and gas. Slickwater fracturing fluid is the most commonly utilized among these options. Nevertheless, its drag reduction capabilities...

In view of the existing problems in the coal sample collection method of the coal seam gas content, a sampling method of fast sealing and sampling in coal seam drilling is proposed and the method's control signal can achieve the non-contact transmission by electromagnetic induction principle. The equivalent...

In order to overcome the disadvantages of the existing negative pressure adsorption methods, a new structure of non-gas source negative pressure adsorption is proposed. On the basis of this structure, a physical prototype was made. According to the motion model of the prototype, the stability condition...

April 10, 2017, carrying 140,000 tons of crude oil "joint power" successfully berthing Myanmar Buddha Mude Island, and began to unload crude oil, which is a landmark moment, the Sino-Burmese crude oil pipeline project put into operation China-Myanmar oil and gas pipeline is China's Kazakhstan, Central...

The multichamber device belongs to pulsed methods of forming and is mainly intended for use in small-scale production. The process of forming is carried out under pressure of an elastic disk due to kinetic energy of the piston accumulated throughout the working cycle. The piston is accelerated under...