English — Forum #723 (Page 337/642)

1. Add trend point - HCBBS Forum
2. Kairui Environmental Protection’s “new technology for catalytic distillation of methanol to produce dimethyl ether” has passed the scientific and technological achievement appraisal! - HCBBS Forum
3. Adjustment of the distillation system - HCBBS Forum
4. What should I do now? - HCBBS Forum
5. What to do when a company lays off employees? - HCBBS Forum
6. 【Joint Study*】【Civil Engineering Version 20160314】 - HCBBS Forum
7. The drum blower stops vibrating - HCBBS Forum
8. Looking for calibration documentation for the valve position transmitter TOPWORX - HCBBS Forum
9. Discussion on denitrification in heating chain stoves - HCBBS Forum
10. Model of mass flow meter - HCBBS Forum
11. Current Status and Trends in the Development of Biogas Industry - HCBBS Forum
12. Looking for some materials - HCBBS Forum
13. A Letter from Zuckerberg to His Daughter - HCBBS Forum
14. Pump problem - HCBBS Forum
15. Questions regarding the leakage levels of self-controlled valves - HCBBS Forum
16. 【Daily Question】Chemical Engineering Principles 338: Resin Working Layer (March 14) - HCBBS Forum
17. The problem of a stuffy bed - HCBBS Forum
18. 【Daily Question】Chemical Engineering Principles 335: Using Stored Standard Solutions (March 7) - HCBBS Forum
19. 2016 China Environmental Expo • International Symposium and Exhibition on the Treatment and Comprehensive Utilization of Agricultural and Livestock Waste - HCBBS Forum
20. The vacuum distillation tray was washed away - HCBBS Forum
21. After 98% concentrated sulfuric acid absorbs hydrogen sulfide and phosphine from acetylene gas, why does the 75% waste acid have a strong hydrogen sulfide odor? - HCBBS Forum
22. Regulations on the Management of Tank Trucks Entering the Plant - HCBBS Forum
23. 【MTBE】What are the problems with MTBE purging? - HCBBS Forum
24. Market situation of ethyl formate - HCBBS Forum
25. For detecting full pipe of the medium at the pump inlet, is an ultrasonic fork better or a flow switch? - HCBBS Forum
26. Why is the thickness of the bottom plate of the ear seat, saddle seat, and skirt seat much greater than that of other parts? - HCBBS Forum
27. Examples for calculating lugs in HG/T 21574 - HCBBS Forum
28. Discuss the side-stream issues of the stripping tower - HCBBS Forum
29. What does the dead zone of a control valve mean in simple terms? - HCBBS Forum
30. Are there any companies that can carry out pipeline cathodic protection work? - HCBBS Forum
31. 【Daily Question】3.11 Multiple-choice question: Thermocouples are typically used to measure temperatures up to 500°C - HCBBS Forum
32. The mobile phone’s flash memory card often prompts it to be removed - HCBBS Forum
33. Looking for the software for Siemens_MaxumII and the corresponding KEY - HCBBS Forum
34. With 24V signal generator - HCBBS Forum
35. 【Daily Topic】【Electrical Edition 20160309】 - HCBBS Forum
36. Do the complete sets of pressure vessels installed on-site require the construction unit to obtain an installation quality certificate? 3543-G701 - HCBBS Forum
37. The relationship between methanogen-free and methanogenic bacteria in biogas fermentation - HCBBS Forum
38. Wanhua Chemical is recruiting water treatment process R&D engineers - HCBBS Forum
39. Who has the drawings for an indirect gas hot air furnace? Please send them to me, I’m begging - HCBBS Forum
40. How can I get in touch with the moderator for help? - HCBBS Forum
41. What are the differences between sulfur recovery in the coal chemical industry and that in the petrochemical industry? There are ratings! - HCBBS Forum
42. Issue with selecting the RMS value for the container temperature transmitter? - HCBBS Forum
43. Occupational Health Daily Question 3.16: Participate for a prize; 5 correct answers and another prize will be given - HCBBS Forum
44. Add LNG discussion forum - HCBBS Forum
45. Occupational Health Daily Question 3.13: Participate for a prize; 5 correct answers and another prize will be given - HCBBS Forum
46. Pneumatic diaphragm pump - HCBBS Forum
47. Differences between merging and not merging the circulation tanks of the two absorption towers - HCBBS Forum
48. 2015 Level 1 Certified Fire Engineer – Technical Practice 13-14 - HCBBS Forum
49. May I ask, what are the requirements for the ship’s holds when transporting National IV and National V diesel and gasoline by oil tankers? - HCBBS Forum
50. Case Analysis (11): How do you make the decision? - HCBBS Forum
51. I suddenly feel like I really want to work at a design firm. What do you all think? - HCBBS Forum
52. 【Joint Study*】【HVAC Version 20160307】 - HCBBS Forum
53. “Haichuan Irrigation Co., Ltd. Convenience Store” 297: Who do you think is the most devoted character in Jin Yong’s novels? - HCBBS Forum
54. 2015 Global Level 1 Fire Engineer Course Materials - HCBBS Forum
55. The Sorrows and Joys of Humic Acid Fertilizers (Forwarded) - HCBBS Forum
56. Occupational Health Daily Question 3.17: Participate for a prize; 5 answers correct and another 5 prizes will be given - HCBBS Forum
57. How much expansion can a flue elbow accommodate? Are there any standards or formulas for this? - HCBBS Forum
58. Mr. Min Enze, known as the “Father of Catalysts in China”, passed away in Beijing due to illness - HCBBS Forum
59. Henan Wantong Maintenance Co., Ltd - HCBBS Forum
60. Environmental Protection Daily Tip – March 10: Reward for participation, plus 5 more points for answering 5 questions correctly - HCBBS Forum
61. Could someone please explain in simple terms what is meant by \"configuration\" in the context of instruments? - HCBBS Forum
62. 【Basic Knowledge of Occupational Health】Occupational Exposure to Poisons - HCBBS Forum
63. The allowable stress values for pipeline materials differ between the two codes - HCBBS Forum
64. I have a few basic questions regarding control valves, electrical converters, and valve positioners - HCBBS Forum
65. The company produces propane, but it’s not clear what products made from propane would have good market prospects - HCBBS Forum
66. Beijing Jingdimei Company is seeking stress analysis experts； Later pipeline installation ； After starting work, assigned to Shenzhen for at least 2 years - HCBBS Forum
67. Solar biogas project - HCBBS Forum
68. 20160315 One question per day - HCBBS Forum
69. 【Chemical Operations】Questions regarding pipeline purging - HCBBS Forum
70. CNPC Guangxi Petrochemical achieved an increase in efficiency of 7.4 million yuan in the first month after putting the plant into operation, by using the light gasoline etherification process - HCBBS Forum
71. What are the methods to increase steam temperature? - HCBBS Forum
72. Should the MTC (Material Test Certificate) document be included in the commercial proposal or the technical proposal? - HCBBS Forum
73. To convert a local magnetic flap level gauge into a remote-type one, what needs to be added? - HCBBS Forum
74. Wash the mixture of tar and dust with toluene - HCBBS Forum
75. For S31603 submerged arc welding, which flux is suitable: HJ260 or SJ601? - HCBBS Forum
76. Distance from the tube bundle to the shell side in fixed-tube-sheet and floating-head heat exchangers - HCBBS Forum
77. At normal pressure, heat removal mainly relies on top cooling reflux, top circulation, primary circulation, and secondary circulation. What are the typical proportions of heat removal in theory and in practice? - HCBBS Forum
78. 【Weekly Topic】【Storage & Transportation Edition 20160309】 - HCBBS Forum
79. What happens to the sulfur in crude oil? - HCBBS Forum
80. I feel so lost while walking on the Chemical Industry Road - HCBBS Forum
81. 【Daily Topic】【Civil Engineering Version 20160316】 - HCBBS Forum
82. Talk about your shift patterns – what are they? . - HCBBS Forum
83. Which teacher teaches mechanical and electrical engineering well? - HCBBS Forum
84. How to solve high instrument impedance - HCBBS Forum
85. Seeking advice on naphtha upgrading methods - HCBBS Forum
86. 【Daily Question】 Hydrogenation Sector 2016 03 12 Multiple Choice Question - HCBBS Forum
87. Process Design – Industrial Waste Treatment - HCBBS Forum
88. 【Basic Knowledge of Occupational Health】Time-Weighted Average Permissible Concentration - HCBBS Forum
89. What can be used as a substitute for the coal used in boilers? - HCBBS Forum
90. How to protect the coil heat exchanger during the combined operation of Linde low-temperature methanol washing process - HCBBS Forum
91. Hydrocracking stripping tower - HCBBS Forum
92. 【Basic Knowledge of Occupational Health】Occupational Tumors - HCBBS Forum
93. 【Daily Topic】【Production Version 20160314】 - HCBBS Forum
94. 【Daily Question】March 8, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
95. Is there any standard for calculating the weight of valves? - HCBBS Forum
96. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 454 - HCBBS Forum
97. List of texts for the Professional Title Foreign Language Test, Science and Engineering Category A, 2016 - HCBBS Forum
98. What should I do if I encounter such a brother-in-law? - HCBBS Forum
99. 【Joint Study*】【Civil Engineering Version 20160315】 - HCBBS Forum
100. Regarding the design of the adsorber - HCBBS Forum