English — Forum #723 (Page 520/642)

1. Questions regarding pipeline static grounding wires - HCBBS Forum
2. How to prevent potato starch from remaining suspended in water - HCBBS Forum
3. What is the difference between Class A design institutes and Class B design institutes? - HCBBS Forum
4. Regarding catalytic cracking additives - HCBBS Forum
5. Regarding the issue of instruments overwintering! - HCBBS Forum
6. English description of catalytic failure issues, please advise. - HCBBS Forum
7. Layout of the ammonia plant control room - HCBBS Forum
8. How is the purity of liquid oxygen and liquid nitrogen in air separation units analyzed? - HCBBS Forum
9. Pictures of the trial run of the reciprocating compressor in the production process - HCBBS Forum
10. 【Daily Question No. 20】September 22, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
11. 【Daily Question】0915 Tower Internals (+2 wealth for participation, +3~8 wealth for correct answer) - HCBBS Forum
12. What are the respective functions of adding Na2CO3 twice to the brine in 1# baffle tank and the rear reactor? - HCBBS Forum
13. Regarding cyclooctathiophene - HCBBS Forum
14. Design principles of crane swing reduction systems - HCBBS Forum
15. 【Daily Question】9.16 Reply +2； To +3 - HCBBS Forum
16. I would like to know which instrument manufacturers in the market are capable of achieving ultra-low emissions - HCBBS Forum
17. High-pressure shut-off valve - HCBBS Forum
18. What is the structure of the heaters/heat exchangers used in offshore drilling and crude oil transport ships? - HCBBS Forum
19. Welding of heat transfer oil coils - HCBBS Forum
20. Regarding the switching of the new hydrogen compressor - HCBBS Forum
21. How to prevent and control silicate scaling in pipelines and quench chambers in GE coal water slurry gasification - HCBBS Forum
22. Regarding the issue of hot work within the factory premises - HCBBS Forum
23. Issues with annual container inspections - HCBBS Forum
24. Abnormal pumping vacuum in the middle pump of catalytic fractionation - HCBBS Forum
25. Does anyone have PIDCAD version 2010? Please share it - HCBBS Forum
26. Pipe plugging issues during heat exchanger maintenance - HCBBS Forum
27. Chloride detection - HCBBS Forum
28. 【Daily Question】Question from Issue 20150918 - HCBBS Forum
29. What is the role of the natural vibration period? - HCBBS Forum
30. Electronic version: Circulating Water Operator - HCBBS Forum
31. Differences in fillers - HCBBS Forum
32. Screw compressor unit maintenance - HCBBS Forum
33. 【Daily Question No. 21】September 23, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
34. 【Psychological Test】Your smile reveals how much scheming is in you - HCBBS Forum
35. Looking for manufacturers of equipment for transporting rubber pellets - HCBBS Forum
36. Is the thinning rate for pressure vessel head forming taking into account the negative deviation of the sheet metal? - HCBBS Forum
37. Help: How to create labels and mark zones for a new factory? - HCBBS Forum
38. Output of the paperless recorder - HCBBS Forum
39. What is the second one, a level gauge? - HCBBS Forum
40. When simulating with PROII, a reduction of three or four is applied; how is such reconstituted feedstock generally entered? - HCBBS Forum
41. How to draw a logic diagram? - HCBBS Forum
42. Solid-liquid separation of coal slime - HCBBS Forum
43. Are the clearances on the left and right sides of the bearing shell equal? - HCBBS Forum
44. How to reduce wear of dynamic and static seals - HCBBS Forum
45. Haichuan Freelancer’s large-scale “public welfare” event shines brilliantly! 【Water Treatment Management Divider>> Please upgrade after completion of management】 - HCBBS Forum
46. Calculate opening reinforcement - HCBBS Forum
47. Concrete lining with rubber coating for wastewater treatment tanks! - HCBBS Forum
48. 【Daily Question】Question from Issue 20150914 - HCBBS Forum
49. What is generally used as the gas source for airtightness testing? - HCBBS Forum
50. Questions regarding the DCS configuration retrieval function - HCBBS Forum
51. 【Daily Question No. 16】September 16, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
52. Sign-in record post from September 23, 2015 - HCBBS Forum
53. Lubrication and cooling of the pump - HCBBS Forum
54. Looking for websites where I can check the prices of sheets, tubes, and fittings made of steel, nickel, titanium, etc - HCBBS Forum
55. What are the requirements for checking the couplings of cranes? - HCBBS Forum
56. What is your understanding of the principle of not harming others in three ways? - HCBBS Forum
57. Catalytic cracking main fan - HCBBS Forum
58. 【Daily Question No. 18】September 18, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
59. What is the green oil produced after catalytic hydrogenation? - HCBBS Forum
60. The problem of transporting saturated brine - HCBBS Forum
61. How are the holes in the sieve plate manufactured? - HCBBS Forum
62. Questions regarding vibration analysis in EDR - HCBBS Forum
63. Mid-Autumn Festival is approaching; let’s talk about Li Bai’s \"Thoughts on a Silent Night\" - HCBBS Forum
64. Sign-in record post dated September 14, 2015 - HCBBS Forum
65. Regarding the anti-static equipment in the cabinet rooms - HCBBS Forum
66. WeChat official accounts related to safety, environmental protection, occupational health, and fire protection - HCBBS Forum
67. Based on the prevention and control principles for water, air, solid waste, and physical pollution, discuss your understanding of these principles in light of practical situations. - HCBBS Forum
68. Annual Meeting Information - HCBBS Forum
69. 【Daily Question】2015.09.21 Concept of pressure (2 wealth points for a reply + 3–8 additional wealth points if the answer is correct) - HCBBS Forum
70. 【Daily Question】Test Issue 20150921 - HCBBS Forum
71. Do harmful gases evaporate from ABS powder at 186°C? - HCBBS Forum
72. Maximum flow rate in the calculation sheet for the differential pressure orifice flow meter, and the rated flow value? - HCBBS Forum
73. Will I not be able to find a job then? There’s a lot of negative energy these days - HCBBS Forum
74. What are the safety accessories of a stripping tower? - HCBBS Forum
75. In what form is arsenic most stable when solidified? - HCBBS Forum
76. Suggestions regarding the September 18th Memorial Day - HCBBS Forum
77. Example 5-3 from Teacher Bao’s “Chemical Engineering Calculations and Software Applications” - HCBBS Forum
78. Analysis of the reasons for the automatic descent of the crane hook - HCBBS Forum
79. September 21: Question 38, true or false on boiler foundations: (A certain score will be given to the top 40) - HCBBS Forum
80. Can an LPG vaporizer be installed within a vaporization frame? - HCBBS Forum
81. How can ion exchange resins be transformed? - HCBBS Forum
82. I would like to ask why 20# steel is generally used for pipes? - HCBBS Forum
83. Packaging machine - HCBBS Forum
84. 【Daily Question】2015.09.21 (2 Wealth points for replying, +3–8 Wealth points for a correct answer) - HCBBS Forum
85. What are the requirements for instruments when starting up a chemical plant? - HCBBS Forum
86. Hello, moderator. There’s a post in the ProII section; could it be removed? It involved privacy; I didn’t think of it at first - HCBBS Forum
87. Do you know that electronic scales give less weight when buying groceries? - HCBBS Forum
88. Seek an answer - HCBBS Forum
89. Which parameters of circulating heat transfer oil need to be checked for being out of range before it is replaced or partially replaced? - HCBBS Forum
90. Help: What measures can be taken in the compressor plant to reduce noise hazards? - HCBBS Forum
91. Questions from Issue 20150915 - HCBBS Forum
92. The condensate issue with the turbine exhaust pump..... - HCBBS Forum
93. One Question per Day, September 21, 2015 - HCBBS Forum
94. Time has passed swiftly; let us not forget each other when we part - HCBBS Forum
95. I’m about to start working in valve sales – what are the things I need to keep in mind? - HCBBS Forum
96. Production of liquid sulfur dioxide by partial condensation method - HCBBS Forum
97. Are there any issues with pirated installations of ASPEN 7.2? - HCBBS Forum
98. Are there any answers to safety accident cases? Urgently needed - HCBBS Forum
99. The impact of pH value on the operation of the A/O process - HCBBS Forum
100. August 2015 Outstanding Original Technology Theme Selection Contest — Haiyou Voting Thread - HCBBS Forum