English — Forum #723 (Page 229/642)

1. How to calculate the amount of natural gas required to raise the temperature of 1 m3 of air by 1°C - HCBBS Forum
2. Can hydrogen peroxide storage tanks be buried directly? - HCBBS Forum
3. 【Weekly Topic】【HVAC Version 20160616】 - HCBBS Forum
4. What can be done with a Level 2 boiler installation certificate? - HCBBS Forum
5. 【Euro Cup Prediction】In Group 07, will Germany’s strong team defeat Ukraine? - HCBBS Forum
6. How can one improve their skills in fixture design and selection - HCBBS Forum
7. The principle of torch smoke abatement steam - HCBBS Forum
8. thickener - HCBBS Forum
9. How to choose a reflux tank when the reflux flow is too high? - HCBBS Forum
10. Solved - HCBBS Forum
11. Liquid level gauge for atmospheric pressure liquid ammonia storage tanks - HCBBS Forum
12. Hot-melt condenser manufacturer - HCBBS Forum
13. Natural gas amine system - HCBBS Forum
14. E+H guided wave radar level gauge - HCBBS Forum
15. I, as a junior, would like to ask some question to the seniors in the chemical industry - HCBBS Forum
16. 【First-Class Constructor Project Management Practice Questions】039 Attributes of the project payment process - HCBBS Forum
17. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 312 [ - HCBBS Forum
18. Is the Safety Department responsible for such accidents? - HCBBS Forum
19. Issues with clogs in the pulverized coal pipeline of the space furnace - HCBBS Forum
20. Four details reveal whether you can be trusted in terms of safety - HCBBS Forum
21. What do you think about using a medical card to make purchases? - HCBBS Forum
22. 【Daily Question】Advanced Processing 20160615 Multiple Choice Question: For a shell-and-tube heat exchanger, when the temperature difference between the shell and the heat exchange tubes is ( ... - HCBBS Forum
23. Fluctuations in heat transfer oil pressure - HCBBS Forum
24. 【New Energy Development】The “2016 New Energy Outlook” states that solar energy costs will drop significantly - HCBBS Forum
25. Exchange operations related to coke ovens - HCBBS Forum
26. 【Daily Topic】【Production Version 20160617】 - HCBBS Forum
27. 【First-Class Constructor Project Management Practice Questions】014 Material Procurement Procedure - HCBBS Forum
28. 【First-Class Constructor Project Management Practice Questions】006 Portal Management of Project Management Information System - HCBBS Forum
29. Expansion of Sean’s nickel sulfate project completed - HCBBS Forum
30. pre-vulcanization - HCBBS Forum
31. In the catalytic production of hydrogen from dry gas, with natural gas serving as a supplementary raw material, how is the hydrogen yield calculated? - HCBBS Forum
32. Environmental Protection Tip of the Day – June 20: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
33. Connection issues of pressure lead lines on carbon steel pipes - HCBBS Forum
34. How can WinCC display multiple panels at the same time? - HCBBS Forum
35. Material conveying - HCBBS Forum
36. There is a water seal well installed after exiting the sump pool inside the fire dike; my question is?? - HCBBS Forum
37. Delayed coking rich gas - HCBBS Forum
38. Jiaxing Satellite Petrochemical is urgently seeking mechanical engineers and sales staff - HCBBS Forum
39. Foreign technologies in petrochemical industry - HCBBS Forum
40. Three tips for safety engineers - HCBBS Forum
41. Air separation main heat exchanger - HCBBS Forum
42. Emission issues of acrylonitrogen - HCBBS Forum
43. The Ministry of Environmental Protection seeks opinions on the draft revision to the Water Pollution Prevention and Control Law - HCBBS Forum
44. Safety: Proper operation of high-pressure reactors - HCBBS Forum
45. [Ocean Safety Products Poetry Collection Special Event] 005 Goggles - HCBBS Forum
46. 【First-Class Constructor Project Management Practice Questions】008 - HCBBS Forum
47. At what purity level of crude argon does nitrogen plugging tend to occur? - HCBBS Forum
48. How to translate “picket weir” of a tower? - HCBBS Forum
49. Technology for controlling NOx emissions from coke oven flue gas by combining upstream prevention and control with downstream treatment - HCBBS Forum
50. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 16 - HCBBS Forum
51. What are the causes of undercurrent in centrifugal pump motors? - HCBBS Forum
52. 【First-Class Constructor Project Management Practice Questions】031 Submitting Bid Documents - HCBBS Forum
53. Should a signal light be installed next to the on-site maintenance button? - HCBBS Forum
54. Companies that fail to meet safety standards will face 4 major penalties! - HCBBS Forum
55. Kamchatka design-related exams - HCBBS Forum
56. CAD drawings of PID and PFD for diluting 98% concentrated sulfuric acid to 30% dilute sulfuric acid - HCBBS Forum
57. The relationship between fluid flow velocity in a pipe and pressure within the pipe - HCBBS Forum
58. 【First-Class Constructor Project Management Practice Questions】032 - HCBBS Forum
59. Jiaxing Satellite Petrochemical urgently recruits continuous reforming unit technology experts - HCBBS Forum
60. Can a centrifugal pump experience vacuuming due to water in the oil medium? - HCBBS Forum
61. Regarding heat network heaters - HCBBS Forum
62. Please recommend flexible, heat-insulating, lightweight non-metallic hoses for conveying cool air - HCBBS Forum
63. If you can’t pass these “five hurdles” of safe production, you will suffer heavy losses! - HCBBS Forum
64. 【Daily Question】Chemical Engineering Principles 387: Active Silicon in Water (June 17) - HCBBS Forum
65. I’m seeking advice regarding some issues that have arisen at the factory recently - HCBBS Forum
66. 【Purification Daily Question】June 12, 2016 - HCBBS Forum
67. Dehydration problem of alkylated feedstock - HCBBS Forum
68. 【Daily Topic】【Electrical Edition 20160610】 - HCBBS Forum
69. For small diameters and low flow rates, which brand of flow meter is suitable? - HCBBS Forum
70. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 21 - HCBBS Forum
71. Certification of petroleum ether as an industrial product - HCBBS Forum
72. Heat pump technology - HCBBS Forum
73. Survey on steam consumption in domestic styrene-butadiene rubber enterprises? - HCBBS Forum
74. Analysis of calcium oxide content in limestone - HCBBS Forum
75. 【Q&A Question 052】2016.06.11 - HCBBS Forum
76. Nine key safety responsibilities of team leaders - HCBBS Forum
77. Three years after graduating, how should I define myself and where should I go from here? - HCBBS Forum
78. On the analysis method for opening reinforcement - HCBBS Forum
79. Catalytic coaxial two-device differential pressure problem - HCBBS Forum
80. 【Daily Topic】【Civil Engineering Version 20160613】 - HCBBS Forum
81. Urgent recruitment for instrument technicians - HCBBS Forum
82. Supply high-quality acetic acid - HCBBS Forum
83. 【Q&A Question 053】June 12, 2016 - HCBBS Forum
84. 【Q&A Question 060】June 19, 2016 - HCBBS Forum
85. The pressure transmitter suddenly shows the maximum range - HCBBS Forum
86. What is the impact of a leak in the intercooler of a centrifugal compressor on the compressor? - HCBBS Forum
87. What model of pump should be chosen for the sludge thickening tank in the biochemical station? - HCBBS Forum
88. Can 132 welding rods be used for welding 321 and 347 materials? - HCBBS Forum
89. Resistance of spray in an empty tower - HCBBS Forum
90. 47 types of illegal acts related to work safety – please conduct a self-check and make necessary corrections. - HCBBS Forum
91. How to remove H2S gas in wastewater treatment? - HCBBS Forum
92. Is it required for the basic examination section in Heilongjiang to have a stamp from a qualified institution? - HCBBS Forum
93. How to prevent scaling on the trays of the methanol water separation tower? - HCBBS Forum
94. Is the acid and alkali storage area with a canopy considered a building or a factory building? - HCBBS Forum
95. What type of pipe support is used for titanium pipes? - HCBBS Forum
96. 【Weekly Topic】【HVAC Version 20160615】 - HCBBS Forum
97. Optimal pressure for the storage tank? - HCBBS Forum
98. Process for producing dispersants from washing oil - HCBBS Forum
99. Several questions regarding the unsuccessful commissioning of screw compressors - HCBBS Forum
100. Questions regarding the on-site level gauge - HCBBS Forum