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#1501507Rich liquid regeneration
#1569641Shielded pump bearing wear
#1495444thermocouple
#1595829【First-Class Constructor Project Management Practice Questions】031 Submitting Bid Documents
#1586388How to dispose of phosphogypsum from phosphate fertilizer manufacturers
#1552805Sign-in record post from February 16, 2016
#1412256Key technical points for the installation and use of mechanical seals
#1648672What is the separation diameter of ultrafiltration membranes and nanofiltration membranes?
#1645776Operating costs of biomass boilers
#325938CAD drawing issues
#1605901Are the high and low liquid level switches in storage tanks going to fade away from use?
#1492456What level should pressure vessel design reach after 3.5 years?
#1620329Weilan Group | Weilan Energy Jiangsu Co., Ltd. is seeking talented candidates for production and project management role
#1426242What methods are used for the deep dehydration of ethylene glycol produced industrially?
#1427421【Southern Power Grid】Special Topic on Overseas Recruitment for International Limited Company
#1471102The purpose of the ball passage test
#1469034Do the various forum avatars on Haiyou affect your mood?
#1575895Problems with boiler steel platforms and steel ladders
#1506208Gasoline hydrogenation
#1487343How are the amounts of flash vapor and water calculated after the flash vapor is condensed?
#1601957Is there a systematic approach to analyzing the reasons?
#1503436What should be considered when changing the range of a flow transmitter online?
#1524922For the oxidation of cyclohexane to **, is uncatalyzed oxidation or catalyzed oxidation mainly used?
#1491823What measures should be taken if the discharge from the reactor is sluggish?
#1405780Regarding the issue of multiple blind flanges on one device
#1606717Consulting on wastewater treatment plant investment
#1651948Propylene process
#1479260Regarding the preheating temperature of Cr-Mo steel tube sections
#1581262Questions regarding the gas-liquid ratio and acid gas load in MDEA desulfurization? ? ?
#1543551【Daily Question】1.25 Multiple-choice question: It is generally referred to as a process that only changes the external s
#1516296Relationship between impact energy and minimum lateral expansion value in the Charpy impact test
#1620911In the polyethylene plant, what is the ethylene flow rate in the reaction system? If the flow rate is too large or too s
#1530676Is a 500 m3 anaerobic tank (which produces biogas) considered a Class A storage tank? What is the fire separation distan
#1551878I'm here
#1432164Disagreements regarding the answers to \"Methods for identifying leaking tubes in the external heat exchangers of cataly
#1602695Segmented solution treatment of austenitic stainless steel
#1602909Refinery units, pipelines, instruments, flowchart legends
#1599213Does the reaction temperature affect the solid content and ash content of the slurry?
#1406414Refrigeration tower diameter change
#1495044【Daily Question】Question from Issue 20151111
#1486050Ten characteristics of a well-mannered person
#1582117Shandong refineries purchase heavy crude oil, thick crude oil, 180cts, M100 and other refining feedstocks
#1574440What is the fire separation distance between liquid ammonia storage tanks and factory buildings?
#1491971Seek the production process for sodium method bleaching powder
#1601508Are there any tutoring classes for professional exams?
#1617943[Mid-Autumn Special Program] Riddle Guessing 13
#1646731【Daily Question】Chemical Engineering Principles 470: Hydrogen-Cooled Generators (November 29)
#1515135Low-fin threaded tube
#1433546How to enter the actual number of trays during tower simulation?
#1655890All the food incompatibilities have finally been identified
#1575142The answers to the work-related injury cases have been released. Yuan Fang, come and see if your guesses are correct!
#1483269What factors affect the flow coefficient of a rotameter?
#1614420【Mechanical Division】Post on assessments of management and technical teams serta payment of salaries and bonuses for Aug
#1600911【Idiom Chain】7.10 Let’s go! Please follow me
#1485921【Daily Question】10.28 Multiple-choice question: The greater the gas-phase mixing in the methanol recovery tower, the mor
#1470508Welding laboratory
#1539369How to prevent corrosion at the top of atmospheric pressure towers
#1632353Apart from professional books, do people usually read print books?
#1493471Search for and arrange affiliation for the intermediate automatic control engineer title certificate
#1647297How to deal with excessive tar accumulation in negative pressure pipelines
#1508930Has anyone analyzed the flow patterns of styrene in the domestic market?
#1553158Conversion method for horizontal tanks
#1653369On the selection of minor specialties in chemical engineering design
#1518378What is the difference between wet and dry combustible gas tanks?
#796429Instruments: [One Question per Week] Fifth Week of 2011
#1515600Corrosion issues in pipelines during operation
#1486812The application of activated carbon in the treatment of domestic wastewater
#1403909What is the purpose of setting the inlet vent valve for Converter 2 in the low water vapor ratio conversion process?
#1611256Smoking poses a severe threat to cerebral blood vessels; after reading this, do you still want to smoke?
#1513760【Daily Question】Question from Issue 20151209
#1476290Can stainless steel thin-walled sanitary pipes be used in pressure pipelines?
#1507917【Daily Question】 December 1st
#1630508Current Status and Development Trends of Refinery Wastewater Treatment in the United States
#1540154【Daily Question】1.20 Corrosion rate of non-oxidizing acids (3 wealth points for a reply + additional 3–8 wealth points i
#1516571Lock it and tag it – that’s all there is to it!
#1404226Light gas alarm for rectifier transformer
#1628133Are measurement points required for the regular blowdown expansion vessel of a boiler? Temperature, pressure, and things
#1622690What is the batch process for producing polypropylene?
#1423640Two years since graduation; a frustrated person carries a frustrated heart
#1657438ABBC DCS overload alarm
#1597298【Focus Interview】Without eliminating hidden dangers, safety cannot be ensured!
#1578284Why do women cook more at home, while the chefs in restaurants are all men?
#15417222-Amino-2-methyl-1-propanol (AMP)
#1651291Why can’t we break the golden egg? The teacher indicates that the points are insufficient
#1631167Siemens centrifugal pump
#1529897Questions about metal hoses
#1527694【Daily Question】December 30, 2015 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers
#1608535Where does the requirement that bridge crane operators wear insulating shoes come from?
#1545514Nitrogen content in coke oven gas
#1580883Could some expert please tell me about the structure of Dura tubes?
#1449343What pump should be used to transfer material containing 10% solid particles?
#1641657Health and Occupational Health Edition: One vote per day on November 15th (the more votes, the more rewards)
#1611336Why can’t a wooden hammer be used to purge non-ferrous metal pipes?
#1575024Are there any manufacturers in China that produce complete vacuum system kits?
#1631912Double shell and plate calculation
#1646899Reduction furnace is in operation!
#1501900The CAD type is undefined, and then it gets stuck. How to fix it!
#1541394★Specialized Examination for Chemical Engineering ★ — One question per day (2016-1-21) — Points are awarded for particip
#1472651Calculation of dosage for rotary spray semi-dry desulfurization
#1438242Emergency!