English — Forum #723 (Page 202/642)

1. Daily Question 2016.7.16 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
2. Chemical pipeline standards and material grades - HCBBS Forum
3. Gas station heater - HCBBS Forum
4. How to create a safety checklist? Just take a look and you’ll know! - HCBBS Forum
5. Are there any specifications regarding the spacing between equipment in the Roots blower room or centrifugal blower room, as well as matters such as air conditioning and equipment installation? - HCBBS Forum
6. Methyl nitrite - HCBBS Forum
7. Pre-furnace mixing in the hydrogenation unit - HCBBS Forum
8. Sign-in record post dated July 25, 2016 - HCBBS Forum
9. The principle of the crank generator - HCBBS Forum
10. Sign-in record post from July 14, 2016 - HCBBS Forum
11. Regarding the issuance of work permits for angle grinder cutting operations involving open flames - HCBBS Forum
12. Environmental Protection Daily Tip – July 26: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
13. Seeking advice on the selection of plate spacing and liquid layer height when calculating tower diameter - HCBBS Forum
14. What is the model code for the connection cables used in the power and grounding distribution cabinets for common instruments? - HCBBS Forum
15. Chemical deoxygenation - HCBBS Forum
16. Regarding the operation of hydrorefining - HCBBS Forum
17. Advantages and disadvantages of fluororubber as a material for water pump rubber joints - HCBBS Forum
18. [Forward] Check out my new fan - HCBBS Forum
19. The shell of the steam jet pump is cold - HCBBS Forum
20. 【Daily Judgment NO.61】July 19, 2016 - HCBBS Forum
21. GBT6536-2010 grouping - HCBBS Forum
22. What’s in the past is called those years - HCBBS Forum
23. Is there a high-temperature ultrasonic flow meter for measuring the flow rate of deionized water at 175 degrees Celsius? - HCBBS Forum
24. Who does the sulfur packaging for you? - HCBBS Forum
25. Question 16, afternoon of Day 1, 2014 Juhua exam - HCBBS Forum
26. 【Taste of Haichuan – Food Lovers of Haichuan Have Power】The grand prize has been announced - HCBBS Forum
27. [Q&A Question 096] 2016.07.25 - HCBBS Forum
28. Question 28 of the Professional Knowledge section for registered electrical engineers in the afternoon session of 2012 – the answer given is incorrect! ? - HCBBS Forum
29. What is the flash point of gasoline? - HCBBS Forum
30. What happens to a centrifugal pump used for transporting oil if water is present in the oil? - HCBBS Forum
31. May I ask at what height or floor area is it required to have 2 doors? ? Are there any rules? - HCBBS Forum
32. When the gas cylinder valve is turned open, there is a loud noise and gas is released; one can feel the airflow with their hand. - HCBBS Forum
33. Design of 100 cubic titanium tank - HCBBS Forum
34. Effect of hydrogenation bed temperature on the amount of circulating hydrogen - HCBBS Forum
35. Which manufacturer in Tianjin Dagang can produce tetrahydrocarbons after etherification? - HCBBS Forum
36. 【Weekly Topic】【 Quality Version 20160714】 - HCBBS Forum
37. Pump head - HCBBS Forum
38. Questions regarding work experience for the postgraduate entrance exam - HCBBS Forum
39. Acid feed rate to the alkylation reactor - HCBBS Forum
40. 【Idiom Chain】Let’s start on 7.20! Bizarre design! - HCBBS Forum
41. Can PEEK and Stellite be used interchangeably? - HCBBS Forum
42. Environmental impact assessment approval for Shaanxi’s 150,000-ton methanol-to-polydimethyl ether project - HCBBS Forum
43. During normal operation of the sulfur production furnace, is the butterfly valve at the back of the furnace kept fully open, or is it necessary to maintain a certain pressure difference ahead of the furnace and in the system? - HCBBS Forum
44. What documents are needed to register as a construction worker? - HCBBS Forum
45. The heating effect of steam - HCBBS Forum
46. How to transfer a gauge pressure meter - HCBBS Forum
47. Is there anything on safety valve calculations in ASME BPVC VIII? - HCBBS Forum
48. Regarding SBS/sis - HCBBS Forum
49. There is always leakage at the welds of the ammonia pipeline - HCBBS Forum
50. Seeking projects for hydrogen production via hydrogenation to save energy and reduce consumption - HCBBS Forum
51. What materials do I need to bring to the exam room on the two days of the professional examination? - HCBBS Forum
52. 【Daily Topic】【Civil Engineering Version 20160726】 - HCBBS Forum
53. Environmental Protection Tip of the Day 7.14: Reward for participation, plus 5 more points for answering 3 questions correctly - HCBBS Forum
54. Boiler selection? ! - HCBBS Forum
55. Floating head heat exchanger drawings - HCBBS Forum
56. Should the steam be depressurized through a separate cylinder first, or should the depressurization take place first? - HCBBS Forum
57. The issue of triple redundancy in SIS systems - HCBBS Forum
58. Which are the foreign-funded or state-owned companies among domestic pressure vessel design or manufacturing firms? - HCBBS Forum
59. Appreciation of the Orchid Series - HCBBS Forum
60. The path to the development of corrugated fillers - HCBBS Forum
61. Do heat pipe exchangers allow temperature cross-over? - HCBBS Forum
62. Reissue of boiler documentation - HCBBS Forum
63. 【Daily Topic】【Civil Engineering Version 20160702】 - HCBBS Forum
64. Hastelloy C alloy - HCBBS Forum
65. FRP pipe branch - HCBBS Forum
66. I would like to ask about the annual inspection for overhead cranes - HCBBS Forum
67. Temperature requirements for samples when using a Karl Fischer titrator to determine moisture content - HCBBS Forum
68. 【Euro Cup Big Bet】23 Portugal vs Wales - HCBBS Forum
69. Reinforcement issue for square holes in containers? - HCBBS Forum
70. Are there any tutoring classes for professional exams? - HCBBS Forum
71. Note: Chemistry exam review** - HCBBS Forum
72. Regarding throttling, expansion issues - HCBBS Forum
73. Problem of continuous drop in liquid level of the fourth hydrogen production water separator - HCBBS Forum
74. 【Q&A Question 073】2016.07.02 - HCBBS Forum
75. 【Daily Topic】【Engineering Version 20160703】 - HCBBS Forum
76. 10 Years of Past Exam Questions 40 - HCBBS Forum
77. Tips for selecting the belt speed of belt conveyors - HCBBS Forum
78. Does anyone have the manual for the Japanese Yokogawa GC8000 gas chromatograph? Looking for it online - HCBBS Forum
79. Separation of diethylene glycol, triethylene glycol, tetraethylene glycol - HCBBS Forum
80. What concentration of methanol can be obtained by simply distilling and concentrating a 10% methanol aqueous solution without the use of a tower? - HCBBS Forum
81. Qingdao Longjia Marine + PDMS Piping Designers - HCBBS Forum
82. Daily Question 2016.7.1 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (short answer question) - HCBBS Forum
83. Comparison between balanced orifice plates and standard orifice plates - HCBBS Forum
84. Regarding the gasification ash water system - HCBBS Forum
85. Yield of dry ice and snow flowers - HCBBS Forum
86. Polypropylene extrusion granulation manufacturers - HCBBS Forum
87. 43 types of safety hazards in gas pipelines - HCBBS Forum
88. Are it large companies that cause severe pollution, or small ones? - HCBBS Forum
89. Calculation of wastewater moisture content - HCBBS Forum
90. I need help figuring out whether atmospheric pressure steam can be used as a heat carrier to heat a certain material to 115°C Still pressurized steam? Why - HCBBS Forum
91. 【Daily Topic】【Civil Engineering Version 20160709】 - HCBBS Forum
92. After much anticipation, the winner of the grand prize has been revealed – come and take a look! - HCBBS Forum
93. Does the reaction temperature affect the solid content and ash content of the slurry? - HCBBS Forum
94. Industrialization of geotextile testing instruments is seeing light at the horizon - HCBBS Forum
95. Guidelines for filling out the Safety Data Sheet for chemicals - HCBBS Forum
96. I would like to ask about the methods for purging and replacing the flare system - HCBBS Forum
97. Outer diameter, outer diameter - HCBBS Forum
98. Doubts regarding 2 cases of instrument issues in production – A beginner seeks answers - HCBBS Forum
99. Regarding single-sided heating of heat exchangers - HCBBS Forum
100. How to read the average specific heat chart for air and flue gas - HCBBS Forum