ETM - Equipment, Technologies, Materials最新文献

{"title":"CALCULATION OF THE MAIN ELEMENTS OF THE ROPE-PULLEY DRIVE OF \u0000A DOWNHOLE ROD PUMPING UNIT","authors":"Zuleykha Eyvazova Zuleykha Eyvazova, Rasim Khairov Rasim Khairov","doi":"10.36962/etm14022023-10","DOIUrl":"https://doi.org/10.36962/etm14022023-10","url":null,"abstract":"The goal of minimizing oil production costs is becoming increasingly crucial in current oil production settings, particularly during the operation of oil fields in the final phases of development and the ever-expanding commissioning of difficult-to-recover hydrocarbon reserves. Oil production practice has shown, lengthening the length of the steel pumping plant's loop needs a lower frequency of rolling, which extends the life of the well equipment and enhances pumping installation performance. The engine's weight and cost increase as the drive lengthens. The necessary characteristics made it impossible to build long-stroke balancing drives. One of the ways to solve this problem is the use of long-stroke unbalanced sucker-rod pump drives as part of pumping units, which will significantly reduce energy consumption for oil production and, accordingly, reduce the cost. The presented article shows the prospects of using unbalanced drives of sucker-rod pumping units in the operation of wells by mechanized method. \u0000The kinematic-power diagram of the drive of the downhole rod pumping unit is shown. \u0000A method for calculating the acting forces is given. To calculate the strength of the structure being developed, it is important to determine the change in the force acting on the suspension point of the rods. In order to carry out repair work, the goal was set to further improve the unbalanced drive WRPU (well rod pump unit). For this, a scheme was proposed for changing the fixed guide pulley to a movable one, installed on the base with the possibility of its rotation. The proposed design of the rotary pulley makes it possible to free up space above the wellhead.\u0000Keywords: unbalanced drive, long stroke, swivel pulley, beamless drive of pumping unit, rod suspension point, crank-pulley converting mechanism.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122218118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"PRIMARY OIL REFINING AND HEAT EXCHANGER APPARATUS","authors":"Natig Abbasov Natig Abbasov, Farahim Tahmazov Farahim Tahmazov","doi":"10.36962/etm14022023-147","DOIUrl":"https://doi.org/10.36962/etm14022023-147","url":null,"abstract":"Different technological processes are applied in the field of modern oil refining. Each of the processes in turn is implemented by many technological schemes and methods. In petroleum refining and chemical production, these technological processes provide the basis for many simple processes. In this way, the learning of the processes is facilitated. They process oil and its products by applying various processes.\u0000Oil refining and its main organic synthesis plants are composed of a collection of various technological processes and general plant farms. Depending on the number and quality of the products received from the factories, great attention is paid to the supply of hardware and equipment. It is through these equipment and devices that technological processes are carried out. Heat exchangers are among the most commonly used devices in the oil refining industry. The most common type of heat exchangers are shell-and-tube heat exchangers. Shell and tube heat exchangers are technological in the oil and gas industry pretreatment to improve properties and reduce viscosity of streams stages are widely used.\u0000Distribution of shell-and-tube heat exchanger design reliability and due to the variety of types and versions to work in a wide range of temperature, pressure and corrosive environment.\u0000At the current stage of production development, an important trend is increasing the efficiency of the used technological equipment, ensuring high energy efficiency in relation to heat exchange equipment.\u0000Flat cross-sections of different configurations are used to organize the cross current in the inter-tube space of the heat exchanger and to increase the cooling speed. The presence of such partitions significantly complicates the flow pattern of the cooling liquid, and is reliable for the flow around the tube bundle. Currently used methods of heat exchanger heat calculation based on criterion dependencies do not take into account all characteristics of the flow.\u0000Keywords: Boiler, reactor, heater, furnace, filter, air cooler, electrodehydrator, gasoline, diesel, catalyst, injector, pump, piping, hot flow, cold flow.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122559349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"RESEARCH ON THE TECHNOLOGY OF PREPARING PLASTIC AND THREADED COMPONENTS USING 3D PRINTING OR ADDITIVE MANUFACTURING","authors":"Naila Gasanova Naila Gasanova, Nijat Gaytaranov Nijat Gaytaranov, Nijat Gojayev Nijat Gojayev","doi":"10.36962/etm14022023-154","DOIUrl":"https://doi.org/10.36962/etm14022023-154","url":null,"abstract":"Threaded components play a crucial role in ensuring the safety and reliability of systems by joining components together. Proper selection of thread type and size, ensuring proper machining and storage of components, and addressing potential issues such as leakage, vibration, and misalignment all play a special role. It is known that there is a big difference in the nature of the destruction of metal and plastic threaded connections, in particular, when the nut is made of plastics, and the bolt is made of steel, or vice versa. In this regard, at present there is no consensus in assessing the strength of plastic threaded connections. On the one hand, it is recognized that, due to a more uniform distribution of the load, plastic threaded connections have a significant load capacity. Numerous examples of the use of plastic threaded connections in pressure pipelines, in large plastic parts subjected to dynamic loads, various loaded fasteners - all these examples confirm that plastic threaded connections can withstand very high loads. Production of a thread of plastic details is rather difficult, than on metals. It is connected with the physical-mechanical processes coming in the course of production of concrete thread details from plastic by method of pressing and casting under pressure. Also mechanics of formation of plastic threads on details of the oil-field equipment on the specific properties differ from the threads received by a machining method on metals. As thread surfaces on plastic details are formed in compression molds depending on materials and the modes: temperatures, pressure and time of production. These regime parameters and guided parameters play a part at a guaranty of physicalmechanical properties of details in the course of production. The use of plastic or polymer threads in the oil and gas industry is increasing due to their unique characteristics and advantages over traditional metal threads. Recently, 3D printing (additive manufacturing) has become more widely used for the preparation of plastic threads. The article will discuss the methods and characteristics of preparing plastic threaded components, as well as their advantages and certain incompatibilities.\u0000Keywords: threaded components, plastic threaded components, preparation methods, 3D and 4D printing.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132168543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"PROSPECTIVE PHYSICO-CHEMICAL METHODS OF INCREASING THE RECOVERY (EOR) FOR OIL FIELDS WITH THE CATEGORY OF HARD-TO-EXTRACT OILS","authors":"Malik Abdullayev Malik Abdullayev, Samira Mansurova Samira Mansurova, Nicat Qazanfarli Nicat Qazanfarli","doi":"10.36962/etm14022023-110","DOIUrl":"https://doi.org/10.36962/etm14022023-110","url":null,"abstract":"It is known that many technologies to improve the oil recovery factor in fields at a late stage of development are being used. However, there are no universal technologies that ensure the effective displacement of residual oil in the reservoir by changing the filtration and volumetric parameters of rocks and the rheological properties of fluids depending on the geological characteristics of the reservoirs. In the article, based on the analysis of well-known works carried out on the selection of the appropriate oil for displacement oil in the reservoir, taking into account changes in some reservoir parameters, research work was conductedwith the purpose to prepare a new composition.\u0000The question of searching for a composition capable of maintaining oil-displacing properties at different temperatures in reservoir conditions, not changing its viscosity at large temperature differences, and also capable of retaining the properties of removing oil particles absorbed there from the surface in contact with the reservoir is relevant. the surface of the rock was examined by laboratory studies. The viscosities of the found composition at various temperatures were determined using a viscometer, and the optimal composition with a stable viscosity was determined by replacing the components with numerous laboratory experiments. Under laboratory conditions, the process of displacement of oil under various compositions with a slug of the composition at different temperatures was carried out.\u0000The results obtained are satisfactory, and the effective behavior of the composition at bed temperatures of 30-80 0C has been experimentally confirmed.\u0000If we take into account that the compositions injected into the reservoir undergo certain changes under the influence of reservoir temperature and pressure, then certain changes in its properties will inevitably occur when the composition comes into contact with reservoir fluids. Therefore, the ability of the prepared composition to form a precipitate or gel upon contact with various formation waters was also studied.\u0000The results of laboratory studies of physical and chemical technologies for enhanced oil recovery in fields treated by water injection and thermochemical treatment are presented. These technologies can be used in reservoirs with hard-to-recover reserves of high-viscosity oil.\u0000Keywords: viscosity, residual reserve, bed, surfactant, gel, oil displacer.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132473278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"TECHNICAL SOLUTION OF PROBLEMS ARISING ON THE SUCTION AND DISCHARGE VALVES OF THR DRILING PUMP","authors":"Gunduz Abbasov Gunduz Abbasov, Elmar Gafarov Elmar Gafarov","doi":"10.36962/etm14022023-181","DOIUrl":"https://doi.org/10.36962/etm14022023-181","url":null,"abstract":"The purpose of the article is to extend the operational life of piston pumps by making beneficial modifications to the suction and discharge valves. The most common cause of mud pump failures is the wears on the valves so there is an urgent need to increase the durability of the inlet and outlet valves.\u0000This research will allow us to:\u0000- lengthen the functional life of the suction and discharge valves.\u0000- develop the mud pump's technical requirements.\u0000- enhance the drilling pump's economic effectiveness.\u0000Thus, it makes sense to do study on piston mud pump valves in order to improve the technical parameters by making some positive adjustments. A moved forward valve situates which essentially diminishes the affect stretch caused by the effect of a piston pump valve body contrary the valve situates. The valve situate comprises a by and large round and hollow body parcel portion parcel with a fixing surface which is slanted from the external surface of the round and hollow body parcel toward an insides throat of said round and hollow body parcel. The valve body comprises a for the most part disc-shaped parcel and a truncated funnel shaped parcel. An elastomer embed is gotten in a groove within the valve body. The cone shaped parcel of the valve comprises an inclined confront, counting a metal parcel and an elastomeric parcel shaped by the elastomeric embed. Within the valve situate of the present innovation, an annular weight alleviation groove within the round and hollow body parcel of the valve situate permits the inclined confront of the valve situate to flex subsequently calming a noteworthy sum of the affect stack between the restricting confront of the valve gathering.\u0000Keywords: suction valve, discharge valve, valve wears, valve seat, poppet valve, piston mud pumps.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129332383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"THE PROCESS OF RESTORING THE IMPELLER OF A CENTRIFUGAL PUMP IN A LASER INSTALLATION","authors":"Nazim İbrahimov Nazim İbrahimov, Aytaj Halykova Aytaj Halykova","doi":"10.36962/etm14022023-166","DOIUrl":"https://doi.org/10.36962/etm14022023-166","url":null,"abstract":"One of the widely used pumps in the oil industry is the centrifugal pump. During the long-term operation of the centrifugal pump, many failures are observed. One of the main failed parts is the impeller. As we know, an integral part of the functionality of a centrifugal pump is its impeller. Without an impeller, no centrifugal force can be generated on the incoming fluid. So, without an impeller, a centrifugal pump cannot work at all. For this reason, failure of the pump impeller had to be eliminated in order to prevent the pump from malfunctioning and to ensure the maximum length of uninterrupted operation of the pump. The main causes of impeller failure are the effects of cavitation, corrosion and erosion. Here, the coating (layer) resistant to corrosion and corrosion on the surfaces of the impeller of the centrifugal pump was considered. Specially for this, in the appropriate LD-2000 laser device, abrasives with different compositions were selected and their technological regime was developed. Ni, Cr, Fe, Si, Mo elements were used as abrasives. Knowing the composition and physical-chemical characteristics of each of these elements, an accurate report of the technological regime was conducted.\u0000With this technological regime, it is appropriate to apply a coating (layer) of any thickness to the surface of the working wheels. This process was carried out in the laser center of the Azerbaijan State Oil and Industry University.\u0000Keywords: alloy coating, abrasion, corrosion and corrosion resistance, technological mode, laser device.\u0000Keywords: alloy coating, abrasion, corrosion and corrosion resistance, technological mode, laser device.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"183 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124249915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ANALYSIS OF METHODS FOR INCREASING THE SURVIVABILITY OF SMALL ARMS AND CANNON BARRELS BY THE APPLICATION OF CHROME COATINGS","authors":"Ismayilov Vugar Ismayilov Vugar","doi":"10.36962/etm14022023-172","DOIUrl":"https://doi.org/10.36962/etm14022023-172","url":null,"abstract":"This paper is an analysis of modern chrome coating technologies for the barrels of small arms and cannons. Barrel survivability refers to the ability of a weapon system to fire a certain number of rounds without significant deterioration in ballistic characteristics. There are various methods to provide the necessary survivability of the barrels, both technological and constructive.\u0000This paper will consider technological methods, in particular chroming technologies.\u0000The objects of the research are various methods of chromium coating: electrolytic, cylindrical magnetron sputtering, galvanic honing, cathode-mechanical chromium plating, and thermodiffusion saturation by chromium.\u0000Electrolytic chrome plating in baths is the most common method, however it has significant drawbacks - toxic waste, difficulty in providing uniformity and integrity of plating, hydrogen release during plating, the need for subsequent heat treatment of the barrel.\u0000Coating barrels with cylindrical magnetron sputtering is one of the least studied methods, but from the available materials we can note the reduced toxicity and the absence of hydrogenation of the barrel and the plating. Nevertheless, the adhesion of the coating material and the barrel should be investigated.\u0000Analysis of the thermodiffusion chrome saturation method is also a promising method. However, a reduction in temperature during the coating process and subsequent normalization of the coating is necessary. This method is currently being investigated in the \"Special purpose product technology\" laboratory at the Azerbaijan Technical University.\u0000As a result of the research, the most prospective methods can be considered galvanic honing, the cathodic-mechanical method and thermodiffusion chrome saturation. The advantages of these methods are increased productivity and quality of the plating surface. In addition to the prospective chrome plating methods, the paper also noted questions for which the answers remain open.\u0000Keywords: barrel, coating, chromium plating, wear, electroplating, magnetron sputtering, diffusion.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129467291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"TUBING HANGER INVESTIGATION OF LOADING","authors":"Zenfira Huseynli Zenfira Huseynli, Alieva Rovshana Alieva Rovshana, Akbar Hashimov Akbar Hashimov","doi":"10.36962/etm14022023-70","DOIUrl":"https://doi.org/10.36962/etm14022023-70","url":null,"abstract":"In this article, the failures of tube hangers made from UNS N07718 are discussed. An arrangement known as a tubing hanger may be found in wells that produce either oil or gas. It is positioned in the upper tubing head’s bowl after it has been installed. The tubing is held in place by this, and a main annulus seal is created between tubing also the production casing. This holds the tubing in place, and at the same time, it creates a primary annulus seal between tubing also production casing. When compared to odd component in wellhead system, tubing hangers are available in a broader range of styles and sizes than any other option. Tubing hangers made of UNS N07718 are often used in the installation process of sour service oil and gas wells that operate under high pressure and also high temperatures. Afterwards more than 10 years of service, it was only recently found that the tubing hanger made of UNS N07718 had failed in sour wells. Failures of the tubing hanger will inference in substantial production delays as well as high workover expenses. The purpose of this research is to demonstrate the failure mechanism of tubing hanger furthermore its ramifications on existing wells that were erected with material that is comparable to what was used here. In order to establish what caused the failure, each and every exposure that was brought on by well intervention efforts was evaluated. The manner of failure of stringer head suspension was researched, as was its influence on already existing wells that had been erected with materials that were comparable.\u0000Keywords: tubing head, tubing hanger, tubing thread, back pressure valve profile, landing shoulder, snap ring, running thread,","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"28 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130420856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"METHODS OF FIGHTING WITH MILITARY EMERGENCIES","authors":"Ulvi Sadigzada Ulvi Sadigzada","doi":"10.36962/etm14022023-39","DOIUrl":"https://doi.org/10.36962/etm14022023-39","url":null,"abstract":"The article provides a new classification of emergency situations of a military nature. Quantıtatıve and qualıtatıve indicators of military emergencies were studied. Safety criteria in dealing with emergency situations have been defined. Information has been provided on emergency rescue and other urgent tasks during the prevention and elimination of the consequences of emergency situations of a military nature. During the fight against emergency situations of a military nature, a single system was studied, and the main goals and tasks for emergency rescue operations were determined. The importance of the classification of emergency situations according to the incident during the accident-rescue and search-rescue works was studied and the directions of action were determined. The significance of emergency planning and the classification of cases during the use of modern means of destruction, i.e., weapons of mass destruction and conventional means of destruction, in the case of military emergency events and other urgent work arrangements in peacetime have been studied. The necessity of developing a preventive policy for combating emergency situations of a military nature was determined, the issues of developing universal principles of conducting operations against emergency situations of a military nature, and systematizing the procedure of coverage of war-related situations in the mass media were considered. In real conditions, the importance of differentiating emergency-rescue work from other urgent work has been determined.\u0000Keywords: emergencies, military, rescue, security, character.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123234422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"METHODOLOGY OF OBTAINING CHROMIUM CARBONYL COMPLEXES AND DEVICES \u0000USED IN OBTAINING THEM","authors":"Mehran Mammadli Mehran Mammadli","doi":"10.36962/etm14022023-160","DOIUrl":"https://doi.org/10.36962/etm14022023-160","url":null,"abstract":"The development of modern technology and the long-term processing of materials and constructions used in high temperature conditions make great demands. It is very important to obtain hard-melting metals that meet these requirements. In nature, the scarcity of hard-to-melt metals and their high cost force us to find other more efficient ways. One such solution is the application of hard- -melt metals in the form of thin layers or coatings on metals or structures. For to this purpose, carbonyl compounds of hard-to-melt metals are widely used in technology recently. Carbonyl compounds have important properties, one of which is that they act as raw materials for obtaining coatings and layers through thermal decomposition. However, some difficulties arise in obtaining chromium coatings based on chromium carbonyl complexes with organic ligands. In order to overcome such difficulties, the synthesis methodology of two chromium-based complex compounds with easy volatility and low decomposition temperature, which are used in the production of corrosion-resistant coatings, and the temperature range in their decomposition limits, physical chemical structure parameters have been determined. The research found that both chromium carbonyl complexes obtained by synthesis form chromium coatings with high adhesion on the metal carrier and increase their corrosion resistance. Chromium carbonyl complexes can serve as technologically favorable raw materials for obtaining the necessary chromium coating during the decomposition of groups at a very low temperature range (100-150 C) without creating additional pressure. Both synthesized complex compounds are raw materials for obtaining corrosion-resistant coatings on weld seams of 09Г2С steel. The use of these complexes as active fillers in abrasive metallurgy has also been determined.\u0000Keywords: Chromium, solvent, toluene, mesethylene, infrared spectrum, chromium carbonyl, complex, melting, decomposition, coating, heating, solution.","PeriodicalId":246138,"journal":{"name":"ETM - Equipment, Technologies, Materials","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126034465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}