{"id":302,"date":"2023-11-12T10:38:40","date_gmt":"2023-11-12T10:38:40","guid":{"rendered":"https:\/\/boom-cylinders.com\/?p=302"},"modified":"2023-11-12T10:38:40","modified_gmt":"2023-11-12T10:38:40","slug":"china-factory-medical-oxygen-gas-cylinder-vacuum-pump-oil","status":"publish","type":"post","link":"https:\/\/boom-cylinders.com\/sv\/application\/china-factory-medical-oxygen-gas-cylinder-vacuum-pump-oil\/","title":{"rendered":"China factory Medical Oxygen Gas Cylinder   vacuum pump oil"},"content":{"rendered":"<div class=\"et_pb_column et_pb_column_3_4 et_pb_column_0_tb_body  et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_module et_pb_post_content et_pb_post_content_0_tb_body\">\n<p><h2>Produktbeskrivning<\/h2>\n<p>\n<p><p><strong>1.Introduction<\/strong><br \/>The Seamless Steel Gas Cylinder are all made by high quality seamless steel pipe,consistent height, smoothly painting, and excellent properties, which is widely used for steel cutting, welding, electronic, medical and other fields.and are supposed to be used repeatedly for keeping argon which is mainly used for steel cutting, welding, electronic, medical and so on.<\/p>\n<p>\u00a0\u00a0<\/p>\n<table border=\"1\" cellpadding=\"0\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td>Type<\/td>\n<td>SEFIC gas cylinder<\/td>\n<td>Outside diameter<\/td>\n<td>89-267mm<\/td>\n<\/tr>\n<tr>\n<td>Water capacity<\/td>\n<td>2-80L<\/td>\n<td>Height<\/td>\n<td>430-1815mm<\/td>\n<\/tr>\n<tr>\n<td>Working pressure<\/td>\n<td>150-3<\/p>\n<p>\n<p>\n<p>\n<table class=\"widefat\" id=\"add_new_publishing_attribute\"><\/div>\n<table class=\"widefat\" id=\"add_new_publishing_attribute\">\n<tbody>\n<tr>\n<th width=\"160\" class=\"th-label\">Material:<\/th>\n<td>Steel<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Structure:<\/th>\n<td>General Cylinder<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Power:<\/th>\n<td>Hydraulic<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Standard:<\/th>\n<td>Standard<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Pressure Direction:<\/th>\n<td>Double-acting Cylinder<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Double-Acting Cylinder Type:<\/th>\n<td>High Pressure<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"attr-line\"><\/div>\n<table class=\"widefat\" id=\"add_new_publishing_attribute\">\n<tbody>\n<tr>\n<th width=\"160\" class=\"th-label\">Customization:<\/th>\n<td>\n<div class=\"sample-order-info\">\n<div class=\"info-text\">\n                                            Available\n                                        <\/div>\n<p>                                        <span class=\"gap\">|<\/span><\/p>\n<p>                                        <i class=\"ob-icon icon-fill\"><\/i><\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<\/table>\n<p><img decoding=\"async\" src=\"https:\/\/img.jiansujichilun.com\/img\/hydrauliccylinders\/C_hydrauliccylinders-5.webp\" alt=\"hydraulcylinder\" width=\"800\" title=\"\"><\/p>\n<h3>Hur st\u00e5r sig hydraulcylindrar i j\u00e4mf\u00f6relse med andra metoder f\u00f6r kraftgenerering, som elmotorer?<\/h3>\n<p>Hydraulcylindrar och elmotorer \u00e4r tv\u00e5 olika metoder f\u00f6r kraftgenerering med distinkta egenskaper och till\u00e4mpningar. \u00c4ven om b\u00e5de hydraulcylindrar och elmotorer kan generera kraft, skiljer de sig \u00e5t vad g\u00e4ller deras arbetsprinciper, prestandaegenskaper och l\u00e4mplighet f\u00f6r specifika till\u00e4mpningar. H\u00e4r \u00e4r en detaljerad j\u00e4mf\u00f6relse av hydraulcylindrar och elmotorer:<\/p>\n<p><strong>1. Arbetsprincip:<\/strong><\/p>\n<p>\u2013 Hydraulcylindrar: Hydraulcylindrar genererar kraft genom att omvandla v\u00e4tsketryck till linj\u00e4r r\u00f6relse. De best\u00e5r av en cylindercylinder, kolv, kolvst\u00e5ng och hydraulv\u00e4tska. N\u00e4r trycksatt hydraulv\u00e4tska kommer in i cylindern trycker den mot kolven, vilket f\u00e5r kolvst\u00e5ngen att f\u00f6rl\u00e4ngas eller dras tillbaka, vilket genererar en linj\u00e4r kraft. <\/p>\n<p>\u2013 Elmotorer: Elmotorer genererar kraft genom att omvandla elektrisk energi till rotationsr\u00f6relse. De best\u00e5r av en stator, rotor och ett elektromagnetiskt f\u00e4lt. N\u00e4r en elektrisk str\u00f6m appliceras p\u00e5 motorns lindningar skapas ett magnetf\u00e4lt som interagerar med rotorn, vilket f\u00e5r den att rotera och generera vridmoment. <\/p>\n<p><strong>2. Kraft och makt:<\/strong><\/p>\n<p>\u2013 Hydraulcylindrar: Hydraulcylindrar \u00e4r k\u00e4nda f\u00f6r sin h\u00f6ga kraftkapacitet. De kan generera betydande linj\u00e4ra krafter, vilket g\u00f6r dem l\u00e4mpliga f\u00f6r tunga applikationer som kr\u00e4ver lyft, skjutning eller dragning av stora laster. Hydraulsystem kan ge h\u00f6g kraftuttag \u00e4ven vid l\u00e5ga hastigheter, vilket m\u00f6jligg\u00f6r exakt kontroll \u00f6ver krafttill\u00e4mpningen. Hydraulsystem arbetar dock vanligtvis vid l\u00e4gre hastigheter j\u00e4mf\u00f6rt med elmotorer. <\/p>\n<p>\u2013 Elmotorer: Elmotorer utm\u00e4rker sig genom att ge h\u00f6ga rotationshastigheter och anv\u00e4nds ofta f\u00f6r applikationer som kr\u00e4ver snabb r\u00f6relse. \u00c4ven om elmotorer kan generera betydande vridmoment tenderar de att ha l\u00e4gre kraftuttag j\u00e4mf\u00f6rt med hydraulcylindrar. Elmotorer \u00e4r l\u00e4mpliga f\u00f6r applikationer som involverar kontinuerlig rotationsr\u00f6relse, s\u00e5som att driva transportband, roterande maskiner eller driva fordon. <\/p>\n<p><strong>3. Kontroll och precision:<\/strong><\/p>\n<p>\u2013 Hydraulcylindrar: Hydraulsystem erbjuder utm\u00e4rkt kontroll \u00f6ver kraft, hastighet och positionering. Genom att reglera fl\u00f6det av hydraulv\u00e4tska kan kraften och hastigheten hos hydraulcylindrarna styras exakt. Hydraulsystem kan ge gradvis acceleration och retardation, vilket m\u00f6jligg\u00f6r smidiga och precisa r\u00f6relser. Denna kontrollniv\u00e5 g\u00f6r hydraulcylindrar v\u00e4l l\u00e4mpade f\u00f6r applikationer som kr\u00e4ver exakt positionering, till exempel inom industriell automation eller byggutrustning. <\/p>\n<p>\u2013 Elmotorer: Elmotorer erbjuder ocks\u00e5 exakt kontroll \u00f6ver hastighet och positionering. Genom motorstyrningstekniker som varierande sp\u00e4nning, frekvens eller pulsbreddsmodulering (PWM) kan rotationshastigheten och positionen f\u00f6r elmotorer styras noggrant. Elmotorer anv\u00e4nds ofta i applikationer som kr\u00e4ver exakt hastighetsreglering, s\u00e5som robotteknik, CNC-maskiner eller servosystem. <\/p>\n<p><strong>4. Effektivitet och energif\u00f6rbrukning:<\/strong><\/p>\n<p>\u2013 Hydraulcylindrar: Hydraulsystem kan vara mycket effektiva, s\u00e4rskilt n\u00e4r de \u00e4r r\u00e4tt dimensionerade och utformade. Hydraulsystem har dock vanligtvis h\u00f6gre energif\u00f6rluster p\u00e5 grund av faktorer som v\u00e4tskel\u00e4ckage, friktion och v\u00e4rmeutveckling. Den totala effektiviteten hos ett hydraulsystem beror p\u00e5 design, komponentval och underh\u00e5llspraxis. Hydraulsystem kr\u00e4ver en hydraulisk kraftenhet f\u00f6r att trycks\u00e4tta hydraulv\u00e4tskan, vilket f\u00f6rbrukar ytterligare energi. <\/p>\n<p>\u2013 Elmotorer: Elmotorer kan ha h\u00f6g verkningsgrad, s\u00e4rskilt n\u00e4r de anv\u00e4nds under optimala driftsf\u00f6rh\u00e5llanden. Elmotorer har l\u00e4gre energif\u00f6rluster j\u00e4mf\u00f6rt med hydrauliska system, fr\u00e4mst p\u00e5 grund av avsaknaden av v\u00e4tskel\u00e4ckage och l\u00e4gre friktionsf\u00f6rluster. Den totala verkningsgraden hos en elmotor beror p\u00e5 faktorer som motordesign, belastningsf\u00f6rh\u00e5llanden och styrtekniker. Elmotorer kr\u00e4ver en elektrisk str\u00f6mk\u00e4lla, och deras energif\u00f6rbrukning beror p\u00e5 motorns nominella effekt och drifttiden. <\/p>\n<p><strong>5. Milj\u00f6h\u00e4nsyn:<\/strong><\/p>\n<p>\u2013 Hydraulcylindrar: Hydraulsystem anv\u00e4nder vanligtvis hydraulv\u00e4tskor som kan orsaka milj\u00f6problem om de l\u00e4cker eller inte kasseras p\u00e5 r\u00e4tt s\u00e4tt. Valet av hydraulv\u00e4tska kan p\u00e5verka faktorer som biologisk nedbrytbarhet, toxicitet och potentiella milj\u00f6risker. Korrekt underh\u00e5ll och l\u00e4ckagef\u00f6rebyggande \u00e5tg\u00e4rder \u00e4r avg\u00f6rande f\u00f6r att minimera milj\u00f6p\u00e5verkan fr\u00e5n hydraulsystem. <\/p>\n<p>\u2013 Elmotorer: Elmotorer anses generellt vara mer milj\u00f6v\u00e4nliga eftersom de inte kr\u00e4ver hydraulv\u00e4tskor. Milj\u00f6p\u00e5verkan fr\u00e5n elmotorer beror dock p\u00e5 vilken elk\u00e4lla som anv\u00e4nds f\u00f6r att driva dem. N\u00e4r de drivs av f\u00f6rnybara energik\u00e4llor, s\u00e5som sol eller vind, kan elmotorer erbjuda en gr\u00f6nare l\u00f6sning j\u00e4mf\u00f6rt med hydrauliska system. <\/p>\n<p><strong>6. L\u00e4mplighet f\u00f6r till\u00e4mpning:<\/strong><\/p>\n<p>\u2013 Hydraulcylindrar: Hydraulcylindrar anv\u00e4nds ofta i applikationer som kr\u00e4ver h\u00f6g kraftuttag, exakt kontroll och h\u00e5llbarhet. De anv\u00e4nds ofta inom industrier som bygg, tillverkning, gruvdrift och flygindustrin. Hydraulsystem \u00e4r v\u00e4l l\u00e4mpade f\u00f6r tunga applikationer, s\u00e5som att lyfta tunga f\u00f6rem\u00e5l, anv\u00e4nda tunga maskiner eller styra storskaliga r\u00f6relser. <\/p>\n<p>\u2013 Elmotorer: Elmotorer anv\u00e4nds ofta inom olika industrier och till\u00e4mpningar som kr\u00e4ver rotationsr\u00f6relse, hastighetsreglering och exakt positionering. De finns ofta inom apparater, transport, robotteknik, VVS-system och automation. Elmotorer \u00e4r l\u00e4mpliga f\u00f6r till\u00e4mpningar som involverar kontinuerlig rotationsr\u00f6relse, s\u00e5som att driva transportband, roterande maskiner eller driva fordon. Sammanfattningsvis har hydraulcylindrar och elmotorer olika arbetsprinciper, kraftkapacitet, styregenskaper, effektivitetsniv\u00e5er och till\u00e4mpningsl\u00e4mplighet. Hydraulcylindrar utm\u00e4rker sig genom att ge h\u00f6g kraftuttag, exakt styrning och h\u00e5llbarhet, vilket g\u00f6r dem idealiska f\u00f6r tunga till\u00e4mpningar. Elmotorer, \u00e5 andra sidan, erbjuder h\u00f6ga rotationshastigheter, exakt hastighetsreglering och anv\u00e4nds ofta f\u00f6r till\u00e4mpningar som involverar kontinuerlig rotationsr\u00f6relse. Valet mellan hydraulcylindrar och elmotorer beror p\u00e5 till\u00e4mpningens specifika krav, inklusive typ av r\u00f6relse, kraftuttag, styrprecision och milj\u00f6h\u00e4nsyn.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.jiansujichilun.com\/img\/hydrauliccylinders\/T_hydrauliccylinders-3.webp\" alt=\"hydraulcylinder\" width=\"800\" title=\"\"><\/p>\n<h3>Contribution of Hydraulic Cylinders to the Precision of Robotic and Automation Systems<\/h3>\n<p>Hydraulic cylinders play a significant role in enhancing the precision of robotic and automation systems. These systems rely on precise and controlled movements to perform various tasks with accuracy and repeatability. Let&#8217;s explore how hydraulic cylinders contribute to the precision of robotic and automation systems:<\/p>\n<ol>\n<li><strong>Precise Positioning:<\/strong> Hydraulic cylinders enable precise positioning of robotic arms or automation components. They provide accurate control over the linear motion required for tasks such as picking, placing, and assembly. By precisely controlling the extension and retraction of the hydraulic cylinder, the system can achieve the desired position with high accuracy, ensuring precise alignment and consistent results.<\/li>\n<li><strong>Controlled Motion:<\/strong> Hydraulic cylinders offer controlled and smooth motion, which is crucial for precise operation in robotic and automation systems. The flow of hydraulic fluid can be precisely regulated to control the speed and acceleration of the cylinder&#8217;s movement. This precise control allows for gentle and controlled movements, minimizing vibrations, overshooting, or jerky motions that could affect the accuracy of the system.<\/li>\n<li><strong>Force Control:<\/strong> Hydraulic cylinders provide force control capabilities that contribute to precision in robotic and automation systems. By adjusting the hydraulic pressure, the force exerted by the cylinder can be precisely controlled. This is particularly valuable in applications that require delicate force-sensitive tasks, such as gripping fragile objects or performing precise force feedback during assembly or testing processes.<\/li>\n<li><strong>Load Handling:<\/strong> Hydraulic cylinders are capable of handling heavy loads, allowing robotic and automation systems to manipulate and transport objects with precision. The high force capabilities of hydraulic cylinders ensure secure and stable handling of loads, minimizing the risk of slippage or imprecise positioning. This is crucial in applications where precise control over heavy objects is required, such as material handling or industrial assembly processes.<\/li>\n<li><strong>Durability and Reliability:<\/strong> Hydraulic cylinders are known for their durability and reliability in demanding industrial environments. The ability to withstand repeated use, high loads, and harsh conditions ensures consistent performance over time. This reliability contributes to the precision of robotic and automation systems, as any deviation or failure in the cylinder&#8217;s movement could lead to inaccuracies or disruptions in the system&#8217;s operation.<\/li>\n<\/ol>\n<p>In summary, hydraulic cylinders make significant contributions to the precision of robotic and automation systems by enabling precise positioning, controlled motion, force control, load handling, and offering durability and reliability. These capabilities ensure accurate and repeatable movements, minimize errors, and enhance the overall precision of the system. By incorporating hydraulic cylinders into robotic and automation systems, manufacturers can achieve higher levels of precision, efficiency, and productivity in various industrial applications.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.jiansujichilun.com\/img\/hydrauliccylinders\/B_hydrauliccylinders-2.webp\" alt=\"hydraulcylinder\" width=\"800\" title=\"\"><\/p>\n<h3>How do manufacturers ensure the quality and compatibility of hydraulic cylinders?<\/h3>\n<p>Manufacturers employ various measures to ensure the quality and compatibility of hydraulic cylinders, ensuring that they meet industry standards, performance requirements, and the specific needs of their customers. Here&#8217;s a detailed explanation of the methods and practices used by manufacturers to ensure the quality and compatibility of hydraulic cylinders:<\/p>\n<p><strong>1. Design and Engineering:<\/strong><\/p>\n<p>&#8211; Manufacturers employ skilled engineers and designers who have expertise in hydraulic systems and cylinder design. They use advanced design software and tools to create hydraulic cylinders that meet the desired specifications and performance requirements. Through careful analysis and simulation, manufacturers can ensure that the cylinders are designed to function optimally and provide the necessary force, stroke length, and reliability. <\/p>\n<p><strong>2. Material Selection:<\/strong><\/p>\n<p>&#8211; High-quality materials are crucial for the durability, performance, and compatibility of hydraulic cylinders. Manufacturers carefully select materials such as steel or other alloys based on their strength, corrosion resistance, and suitability for hydraulic applications. They source materials from reputable suppliers and perform quality checks to ensure that the materials meet the required standards and specifications. <\/p>\n<p><strong>3. Quality Control:<\/strong><\/p>\n<p>&#8211; Manufacturers implement robust quality control processes throughout the production of hydraulic cylinders. This includes rigorous inspections and tests at various stages of manufacturing, from raw material inspection to final assembly. Quality control personnel perform dimensional checks, surface finish inspections, and functional tests to verify that the cylinders meet the specified tolerances, performance criteria, and compatibility requirements. <\/p>\n<p><strong>4. Testing and Validation:<\/strong><\/p>\n<p>&#8211; Hydraulic cylinders undergo testing and validation procedures to ensure their performance, reliability, and compatibility. Manufacturers conduct various tests, such as pressure testing, leakage testing, load testing, and endurance testing. These tests simulate real-world operating conditions and verify that the cylinders can withstand the expected loads, pressures, and environmental factors. Additionally, manufacturers may perform compatibility testing to ensure that the cylinders can integrate seamlessly with other hydraulic system components. <\/p>\n<p><strong>5. Compliance with Standards:<\/strong><\/p>\n<p>&#8211; Manufacturers adhere to industry standards and regulations to ensure the quality and compatibility of hydraulic cylinders. They follow standards such as ISO 9001 for quality management systems and ISO 6020\/2 or ISO 6022 for hydraulic cylinders. Compliance with these standards ensures that the manufacturing processes, quality control measures, and product performance meet internationally recognized benchmarks. <\/p>\n<p><strong>6. Certification and Accreditation:<\/strong><\/p>\n<p>&#8211; Manufacturers may obtain certifications and accreditations from recognized organizations to demonstrate their commitment to quality and compatibility. Certifications such as ISO certifications or third-party certifications provide assurance to customers that the hydraulic cylinders have undergone rigorous evaluations and meet specific quality and compatibility standards. <\/p>\n<p><strong>7. Customer Collaboration:<\/strong><\/p>\n<p>&#8211; Manufacturers actively engage with customers to understand their specific requirements and ensure compatibility. They work closely with customers to gather application-specific details, such as operating conditions, load requirements, and environmental factors. This collaborative approach allows manufacturers to customize hydraulic cylinders and provide solutions that are perfectly matched to the customer&#8217;s needs, ensuring compatibility and optimal performance. <\/p>\n<p><strong>8. Continuous Improvement:<\/strong><\/p>\n<p>&#8211; Manufacturers are committed to continuous improvement in their processes and products. They invest in research and development to incorporate the latest technologies, materials, and manufacturing techniques. By staying updated with industry advancements, manufacturers can enhance the quality, performance, and compatibility of their hydraulic cylinders over time. <\/p>\n<p>By implementing effective design and engineering practices, selecting high-quality materials, conducting rigorous quality control, testing and validation procedures, complying with industry standards, obtaining certifications, collaborating with customers, and embracing continuous improvement, manufacturers ensure the quality and compatibility of hydraulic cylinders. These measures help to deliver reliable, high-performance cylinders that meet the diverse needs of industries and applications.<br \/><img decoding=\"async\" src=\"https:\/\/img.jiansujichilun.com\/img\/hydrauliccylinders\/hydrauliccylinders-l1.webp\" alt=\"China factory Medical Oxygen Gas Cylinder   vacuum pump oil\t\" title=\"\"><img decoding=\"async\" src=\"https:\/\/img.jiansujichilun.com\/img\/hydrauliccylinders\/hydrauliccylinders-l2.webp\" alt=\"China factory Medical Oxygen Gas Cylinder   vacuum pump oil\t\" title=\"\"><br \/>editor by CX 2023-11-12<\/p>","protected":false},"excerpt":{"rendered":"<p>Product Description 1.IntroductionThe Seamless Steel Gas Cylinder are all made by high quality seamless steel pipe,consistent height, smoothly painting, and excellent properties, which is widely used for steel cutting, welding, electronic, medical and other fields.and are supposed to be used repeatedly for keeping argon which is mainly used for steel cutting, welding, electronic, medical and [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[],"tags":[8,770,771,293,772,773,12,297,774,300,775,776,777,778,779,780,781,30,31,33,34,35],"class_list":["post-302","post","type-post","status-publish","format-standard","hentry","tag-china-cylinder","tag-china-medical-oxygen-cylinder","tag-china-oxygen-cylinder","tag-cylinder-gas","tag-cylinder-gas-oxygen","tag-cylinder-oxygen","tag-cylinder-pump","tag-gas-cylinder-cylinder","tag-gas-cylinder-oxygen","tag-gas-vacuum-pump","tag-medical-cylinder","tag-medical-gas-cylinder","tag-medical-oxygen-cylinder","tag-medical-vacuum-pump","tag-oxygen-cylinder","tag-oxygen-gas-cylinder","tag-oxygen-medical-cylinder","tag-pump-vacuum","tag-pump-vacuum-pump","tag-vacuum-cylinder","tag-vacuum-pump","tag-vacuum-pump-china"],"_links":{"self":[{"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/posts\/302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/comments?post=302"}],"version-history":[{"count":0,"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/posts\/302\/revisions"}],"wp:attachment":[{"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/media?parent=302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/categories?post=302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boom-cylinders.com\/sv\/wp-json\/wp\/v2\/tags?post=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}