English — Forum #723 (Page 300/642)

1. 【Daily Question】Deep Processing 20160413 Multiple Choice: What is the relationship between melt index and molecular weight? ( ) - HCBBS Forum
2. Equipment Maintenance - Gear Oil Selection - HCBBS Forum
3. Reviewing the Old to Discover the New (Series 9) - HCBBS Forum
4. Scrapes on sliding bearings - HCBBS Forum
5. Key Targets for Occupational Disease Prevention and Control Training as Per Order No. 47 of the General Administration - HCBBS Forum
6. Can analog input points use 24V terminals with LED indicators and fuses? - HCBBS Forum
7. Vertical English letterhead, left, right? - HCBBS Forum
8. What are the reasons for pump shaft breakage? - HCBBS Forum
9. Emergency stop button issue - HCBBS Forum
10. Problem of water carried by ammonia vapor during ammonia distillation - HCBBS Forum
11. Problems with lubricating oil in reciprocating compressors - HCBBS Forum
12. Diesel hydrotreating unit pour point reduction - HCBBS Forum
13. Issues with catalyst volume selection? - HCBBS Forum
14. Dandong Tongbo Buoy - HCBBS Forum
15. Cyclic hydrogen compressor - HCBBS Forum
16. Oil and gas recovery system for the tank farm - HCBBS Forum
17. How to improve the sealing performance of ultra-low temperature valves - HCBBS Forum
18. 【Daily Question】Advanced Processing 20160415 Multiple Choice: In industry, solid catalysts are composed of ( ) - HCBBS Forum
19. Regarding the issue with the valve cores in the ammonia station - HCBBS Forum
20. May I ask what material this code refers to? - HCBBS Forum
21. 【Daily Topic】【Civil Engineering Version 20160412】 - HCBBS Forum
22. Steam generator - HCBBS Forum
23. Request for the book Shreir’s Corrosion, four volumes in total - HCBBS Forum
24. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 496 - HCBBS Forum
25. Issues regarding improving the efficiency of distillation columns - HCBBS Forum
26. The future of the calcium carbide industry - HCBBS Forum
27. Desulfurization and denitrification instrument design: What is the difference between the spare parts listed in the bid form and those required for the three-year major maintenance? ? - HCBBS Forum
28. Request for GB50303-2015 standard - HCBBS Forum
29. Is the rate of water evaporation controlled by the sensible heat absorption process or the latent heat evaporation process? How to increase the spray evaporation rate? - HCBBS Forum
30. Is the model of tying catalyst purchases to the recycling of waste catalysts feasible? - HCBBS Forum
31. 70 on the morning of the first day of 2014 - HCBBS Forum
32. Shell gasification - HCBBS Forum
33. NASH pump - HCBBS Forum
34. The methane content in the recycled hydrogen is high - HCBBS Forum
35. Contents of the post emergency card - HCBBS Forum
36. 【Daily Topic】【Electrical Edition 20160402】 - HCBBS Forum
37. Could there be operational shortcomings in the future operation of the dry absorption process diagram? Looking forward to an answer - HCBBS Forum
38. Sulfur Daily Question, April 8th------Earn 5 wealth points for participating, 10 wealth points for getting it right - HCBBS Forum
39. 【Daily Question No. 146】March 31, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
40. Compound fertilizer drying equipment - HCBBS Forum
41. One Question per Day on Synthetic Ammonia (Series 62) - HCBBS Forum
42. Can a pressure gauge not be installed at the outlet of a centrifugal pump? - HCBBS Forum
43. The dung fork came to the meeting, zhong cao qi zhuo - HCBBS Forum
44. Relay contact power supply issue - HCBBS Forum
45. How is the heat exchange area of a crude benzene condenser determined? - HCBBS Forum
46. Removal of sodium azide - HCBBS Forum
47. The issue of reaction depth - HCBBS Forum
48. The pressure at the liquid outlet after a liquid under certain pressure enters the container - HCBBS Forum
49. Summary of the sulfur market and prices in April 2016 - HCBBS Forum
50. Problems in the design of the carbonization tower for the graduation project - HCBBS Forum
51. On the comparison of energy consumption for steam and hot water heating - HCBBS Forum
52. Sign-in record post from April 9, 2016 - HCBBS Forum
53. Quality of the butt joint between the head and cylinder of a pressure vessel with a diameter of two meters - HCBBS Forum
54. Resource and environmental analysis of biogas development - HCBBS Forum
55. Heat exchanger material selection - HCBBS Forum
56. Can’t sign in anymore? - HCBBS Forum
57. I’m seeking advice from experts: which companies abroad specialize in sulfuric acid process design? - HCBBS Forum
58. Thanks to the efforts of the Rockets’ players, they managed to stay ahead of the Western Conference leaders, the Warriors; there are few games left in this season - HCBBS Forum
59. Methanol section: One question per day. How is the catalyst protected during normal operation? 2016.03.30 - HCBBS Forum
60. What documents are required to apply for boiler manufacturing? - HCBBS Forum
61. Relationship between yellowing during secondary vulcanization of precipitated silica used in silicone rubber and silica quality - HCBBS Forum
62. There is a nitrogen seal on the top of the lean liquid tank in the catalytic refining system - HCBBS Forum
63. Selection of control valves and manufacturers - HCBBS Forum
64. Discussion on Treatment Technologies for Mercury-Containing Wastewater - HCBBS Forum
65. Introduction to the four types of vehicles in top-loading coke ovens - HCBBS Forum
66. Can National V 92# gasoline be produced using isooctane, mixed xylene, naphtha, mixed aromatics, and MTBE? - HCBBS Forum
67. Innovative metal repair techniques for repairing wear in centrifuge bearing housings - HCBBS Forum
68. Issues regarding square root calculations and the 4-20 mA range in differential pressure flowmeters - HCBBS Forum
69. Cleaning the impeller of an air compressor - HCBBS Forum
70. Questions regarding the examination policy for 2016 - HCBBS Forum
71. The vehicle lifting and the grab are not synchronized - HCBBS Forum
72. Selection of low-voltage and high-voltage control cabinets and transformers - HCBBS Forum
73. Regarding inverted bucket hydroscapers - HCBBS Forum
74. Sign-in record post from April 11, 2016 - HCBBS Forum
75. Seeking assistance regarding injection molding qualifications - HCBBS Forum
76. Hot standby gas volume for coke oven chimney - HCBBS Forum
77. Please recommend reputable domestic manufacturers as well as imported brands of diaphragm pumps - HCBBS Forum
78. [Fire Safety] Nine common fire safety facilities - HCBBS Forum
79. What to do if the gauge error for naphtha is large - HCBBS Forum
80. There’s no way to control the smoke coming from the knife edge of the furnace door and the burner – are there any good solutions? - HCBBS Forum
81. The Inner Mongolia HuiNeng coal-to-gas project has fully resumed production - HCBBS Forum
82. On the critical conditions for determining the speed of sound - HCBBS Forum
83. Among mechanical seal leaks, the leakage between the shaft sleeve and the shaft (inter-shaft leakage) is caused by the impeller seal - HCBBS Forum
84. Why is methanol used in the methyl ester process route for producing C18–C16 fatty alcohols? - HCBBS Forum
85. The difference between H_PT and H_PT67 in WASPCN 6.0... - HCBBS Forum
86. Visurefield OPC issue - HCBBS Forum
87. What are the reasons why the temperatures in the middle and at the top of the solvent regeneration tower do not rise? - HCBBS Forum
88. 【Daily Topic】【Production Version 20160411】 - HCBBS Forum
89. Poor discharge in the stripping section - HCBBS Forum
90. How to restore production quickly and efficiently after a power outage in the diesel and gasoline hydrogenation unit - HCBBS Forum
91. Occupational Health Daily Question 4.10: Participate for a prize; 5 points for correct answers, plus an additional 5 points - HCBBS Forum
92. 【Basic Knowledge of Occupational Health】Maximum Permissible Concentration - HCBBS Forum
93. Wiring issues on the control system side - HCBBS Forum
94. What causes the synthesis liquid in the urea synthesis tower to turn yellow? - HCBBS Forum
95. How much water do you drink in a day? - HCBBS Forum
96. Looking for information on sulfur-based compound fertilizers - HCBBS Forum
97. Recruiting wastewater treatment engineers for a well-known central state-owned enterprise - HCBBS Forum
98. 【Daily Topic】【Quality Version 20160401】 - HCBBS Forum
99. Post Emergency Card - HCBBS Forum
100. 【Daily Question】Hydrogenation Sector 2016 03 30 - HCBBS Forum