English — Forum #337 (Page 110/163)

1. What is the difference between the emergency relief valve and the safety valve of an atmospheric pressure vessel? - HCBBS Forum
2. Basic Process Knowledge (Multiple Choice) 20180603 - HCBBS Forum
3. March 2018 · Allocation Plan for Haichuan Coins as Incentives for the Process Division - HCBBS Forum
4. Experts, please share how to manually intervene during the switching of molecular sieves to ensure stability in the argon system - HCBBS Forum
5. Daidzein synthesis - HCBBS Forum
6. How should the inlet and outlet valves of the steam cylinders be configured? - HCBBS Forum
7. In the PID diagram - HCBBS Forum
8. Electrochemical corrosion problem - HCBBS Forum
9. On the handling of low-temperature ethylene leaks - HCBBS Forum
10. Centrifuge vibration issue - HCBBS Forum
11. Basic Process Knowledge (Multiple Choice) 20180207 - HCBBS Forum
12. Calculations of orifice plates under supersonic conditions - HCBBS Forum
13. 【HVAC Version】Daily Question 20180318 - HCBBS Forum
14. Wish the process division a successful new year; just reply to receive a wealth reward - HCBBS Forum
15. Are PN10 nominal pressures still used for chemical industry metal pipes these days? - HCBBS Forum
16. How should a flash tank be designed in the butadiene recovery process? - HCBBS Forum
17. Methods for separating methanol and toluene - HCBBS Forum
18. Temperature change - HCBBS Forum
19. Fundamentals of Processing Technology (Multiple Choice) 20180407 - HCBBS Forum
20. Automated production of spray-type ammonium sulfate saturator - HCBBS Forum
21. Could someone explain what is meant by spinning air volume? - HCBBS Forum
22. Selection of the gas seal medium for the equipment - HCBBS Forum
23. 【Mechanical Equipment Technology Edition】Daily Question 201802010: Revisiting High Scores from Festive Periods – Screw Compressors Series (1) - HCBBS Forum
24. 【HVAC Version】Daily Question 20180428 - HCBBS Forum
25. Is gas pressure testing applicable? - HCBBS Forum
26. 【Mechanical Equipment Technology Edition】Daily Question 201805028: Refrigeration Systems — Refrigeration Parameters (2) - HCBBS Forum
27. I would like to ask the teachers: Recovery of the monomers benzene and styrene from styrene-butadiene latex - HCBBS Forum
28. What is the solubility of sulfur in benzene? - HCBBS Forum
29. Guys, I need help. Please help!~ - HCBBS Forum
30. HG20593-97. HG5010-58。 What are the criteria? How are they distinguished? Thank you - HCBBS Forum
31. Which type of material storage tank requires a tank transfer design? - HCBBS Forum
32. Help! ! ! What methods can be used to address bridging and arching phenomena during material transportation? - HCBBS Forum
33. Do you know anything about automatic loading systems for bagged materials? (Reward: 30 wealth points) - HCBBS Forum
34. What is good for refrigeration equipment? ! - HCBBS Forum
35. Process safety relief design - HCBBS Forum
36. Lithium phosphate - HCBBS Forum
37. Conversion of liquid nitrogen cubes to tons - HCBBS Forum
38. The difference between large-scale chemical process design and gas engineering design - HCBBS Forum
39. Operating temperature range of glass-lined reactors - HCBBS Forum
40. Abnormality in the internal pipelines of the torch - HCBBS Forum
41. 【HVAC Version】Daily Question 20180529 - HCBBS Forum
42. How to increase the temperature of calcium chloride solution - HCBBS Forum
43. Are there any small-volume Class A liquid storage tanks in your factory building? ? The petrochemical regulations specify that Class A and B storage tanks cannot be placed inside factory buildings - HCBBS Forum
44. See how people in various industries find time to prepare for the fire engineer exam - HCBBS Forum
45. In an interlock logic diagram, what does E. S/D PB NOT PRESSED mean? - HCBBS Forum
46. Inconsistent CO2 property queries - HCBBS Forum
47. The damage caused by long-term low-load operation to the system - HCBBS Forum
48. 【HVAC Version】Daily Question 20180525 - HCBBS Forum
49. What is the formula for calculating the volume of different liquid levels in a spherical tank? What is the formula for calculating the volume of different liquid levels in a horizontal storage tank with a head? - HCBBS Forum
50. Basic Process Knowledge (Multiple Choice) 20180523 - HCBBS Forum
51. The alkylsulfur content continues to not decrease - HCBBS Forum
52. Basic Process Knowledge (Multiple Choice) 20180413 - HCBBS Forum
53. For a batch mixing tank with continuous feeding, how to ensure accurate concentration ratios - HCBBS Forum
54. Seeking advice on tank material issues - HCBBS Forum
55. How to control the MVR pressure - HCBBS Forum
56. Safety valve and piping issues in steam pipelines - HCBBS Forum
57. In process design, those pipe arrangements that tend to cause flow deviation, or the cases of flow deviation encountered in projects you have worked on - HCBBS Forum
58. Design institutes for nitric acid plant systems and equipment manufacturers - HCBBS Forum
59. Issues with the PFD final document for the process engineering field? - HCBBS Forum
60. Basic Process Knowledge (Multiple Choice) 20180412 - HCBBS Forum
61. Basic Process Knowledge (Multiple Choice) 20180429 - HCBBS Forum
62. Negative examples: Look at these two pictures – what are your thoughts? - HCBBS Forum
63. Basic Process Knowledge (Multiple Choice) 20180320 - HCBBS Forum
64. How is China National Pharmaceutical Group United Engineering Company? - HCBBS Forum
65. Daily Practice — Copying the “Stele of Lord Huangfu” - HCBBS Forum
66. [Civil Engineering Version] Daily Question 20180505 - HCBBS Forum
67. Regenerated chlorine adsorption electric heat tracing system - HCBBS Forum
68. Residual C4 - HCBBS Forum
69. 【HVAC Version】Daily Question 20180401 - HCBBS Forum
70. Activated carbon + water ratio: Activated carbon solution - HCBBS Forum
71. What is the appropriate water-to-oxygen ratio for a space furnace? - HCBBS Forum
72. Is there a book on valence bond theory here? - HCBBS Forum
73. There are steam pipes in the trench, but there is no place to drain the condensate water. Can it rise from the trench to the surface for drainage? - HCBBS Forum
74. Heat exchanger cleaning - HCBBS Forum
75. Calculation of the net positive suction head available for pump installation - HCBBS Forum
76. Health protection distance - HCBBS Forum
77. Calculation of gas consumption for steel cylinders - HCBBS Forum
78. Why is the outlet temperature of the waste boiler kept rising? - HCBBS Forum
79. 【HVAC Version】Daily Question 20180325 - HCBBS Forum
80. 【HVAC Version】Daily Question 20180330 - HCBBS Forum
81. Liquid chlorine vaporizer - HCBBS Forum
82. High-pressure hydrogen-handling equipment, interlocked pressure relief design - HCBBS Forum
83. CHEC3B11-2000， - HCBBS Forum
84. In addition to resisting acids and alkalis, valves must also be able to withstand high temperatures of 150 degrees Celsius. What other materials are available besides fluorinated linings? - HCBBS Forum
85. Fundamentals of Manufacturing Processes (Multiple Choice) 20180419 - HCBBS Forum
86. What is the typical flow rate for vacuum piping? - HCBBS Forum
87. Issues in graphic design for chemical enterprises - HCBBS Forum
88. Standards for increasing temperature and pressure in chemical processing equipment - HCBBS Forum
89. Does anyone know anything about iron-carbon microelectrolysis for wastewater treatment? - HCBBS Forum
90. Heat loss in the pressure guiding tube of the instrument - HCBBS Forum
91. 【HVAC Version】Daily Question 20180213 - HCBBS Forum
92. [Mechanical Equipment Technology Edition] Daily Question 201802027: Common Faults in Refrigeration Systems (9.8) - HCBBS Forum
93. How to attenuate pipeline vibration? - HCBBS Forum
94. Issues with mouse barriers in the active pharmaceutical ingredient workshop - HCBBS Forum
95. Pest control in pharmaceutical factories - HCBBS Forum
96. The temperature difference of the heat source for this heat exchanger is small (it drops from 120°C to around 100°C, which is less than 100°C); therefore, this heat exchanger can only make use of steam’s… - HCBBS Forum
97. Materials that remove odors and discoloration - HCBBS Forum
98. Closed-loop circulation of frozen saline - HCBBS Forum
99. Experts in CAD for process flow diagrams needed - HCBBS Forum
100. Can a glass tube level gauge be used for Class A liquids? Are there any regulations specifying what type of level gauge should be used for flammable liquids? - HCBBS Forum