Active group: 22 people wrote in 30 days, 59% of them replied to others, 31% of messages get a reply, growing 0.3% a week.
2,860members?±0 in a day · +9 in a week
Group members from the latest crawl. Growth is the difference with daily measurements collected since 29.09.2026. How we count →
22writing in 30 days?
How many different people wrote in the group in 30 days. Message volume is easy to inflate with flooding; the number of writers is not. How we count →
122messages in 30 days?
Group messages in the search index over the last 30 days. How we count →
59%reply to others?
Share of writers who replied to someone else's message at least once in 30 days. How we count →
31%messages answered?
Share of messages in 30 days that got a reply. How we count →
1.2replies per thread?
How many replies an answered message gets on average (30 days). How we count →
1venues cited it in 30 days?1 all time
How many other venues forwarded its posts in 30 days; below — all time. Self-forwards are not counted. How we count →
3reactions in 30 days?
Reactions to the venue's posts in 30 days. How we count →
11,935messages in the index?76,487 total in Telegram
The venue's posts in our index over its whole history; below — the number of the latest message in Telegram. How we count →
2018-04-24first post?
Date of the venue's earliest post in the index. How we count →
#617 098catalog rank?#21 515 in topic · #54 439 in language
Rank by the combined score: subscribers, activity, reach and citations. Below — rank in its topic and language. How we count →
Members 2,860
history since 2026-09-29
2026-09-292026-10-06
Audience checkhow we check
Not enough data to checkFewer than three signs could be measured
⛔Members who wrote in 30 daysusual for groups of 1–10K: 5.3 %0.77 %
✅Reply to each otherusually 17 % of messages31 %
✅Member growthbetween fresh measurementsno jumps
Messages per day
max 27
2026-07-102026-10-07
Writing per day
max 5
2026-07-102026-10-07
Who writes in the chat (30 days)
- 21 people wrote: 13 regulars, 8 newcomers
- Half of all messages come from 3 people — 14 % of writers
- The 10 most active — 87 % of messages
When it posts (UTC, 90 days)
036912151821MoTuWeThFrSaSu
What it posts (90 days)
Most discussed messages in 30 days
سلام. طبق منابع، یکی از عوامل بروز خوردگی در سیستم بویلر گاز co2 هست. از آنجا که آب دمین وارد شده قبلا از یونهای کربنات و بی کربنات عاری شده و همچنین co2 نامحلول در دیریتور از آب جدا می شود، از کجا این گاز وارد سیکل بویل3 replies · 2026-09-25 20:31 UTCریاضی کاربردی و عددی میخوام3 replies · 2026-09-15 16:17 UTCمهندس لطف فرمودید
مشکل حل شد
از شیربرقی ۳/۴ بای پس کنار شیر برقی اصلی اول بود که بوبینش سوخته بود و اصلا اجازه عبور گاز به لوله وسط بین ۲ تا شیربرقی اصلی رو نمی‌داد2 replies · 2026-09-12 09:21 UTCاستاندارد طراحی لوله
برای لوله کشی کاز کسی داره به من بده؟2 replies · 2026-09-27 21:33 UTCمن عکس خطتتون رو که ندیدم به چه شکلی هست ولی از روی همین فرمایش شما بخوام عرض کنم میشه دومی2 replies · 2026-09-12 08:10 UTCسلام وقت به خیر
کسی میتونه اطلاعات درمورد Waste Heat Boiler به من بده؟2 replies · 2026-09-20 08:12 UTC[videos]1 replies · 2026-09-13 18:44 UTCلازم داری بفرستم؟1 replies · 2026-09-15 14:12 UTC
Audience overlap
Where else people who write here wrote in 90 days. Venue-level counts only.
Process Engineering Group4 shared authors · 5,314 membersChemical Engineering World3 shared authors · 9,530 membersبازرسی نصب تجهیزات مکانیکی3 shared authors · 3,989 membersTechnical Plant Inspection Group3 shared authors · 5,238 membersPIPING TECHNICAL OFFICE3 shared authors · 6,835 membersمعدن، سیمان و فولاد2 shared authors · 939 membersساخت و تولید2 shared authors · 4,623 membersگروه رزومه و استخدامی فنی و مهندسی2 shared authors · 2,345 membersگروه حفاظت کاتدی2 shared authors · 1,455 membersنگهداری و تعمیرات (نگهداشت)2 shared authors · 2,366 members
Cites
🚫Stopcorr.ir36 forwards · 613 subscribersOil And Gas️26 forwards · 26,047 subscribersاستخدام فنی و مهندسی12 forwards · 6,622 subscribersخانه تاسیسات ایران3 forwards · 3,974 subscribersمهندسی نفت/معدن/زمین شناسی نفت(جزوه_کتاب_نرم افزار)3 forwards · 3,654 subscribersمهندسین پایپینگ و پایپلاین1 forwards · 5,099 membersتکنولوژی صنایع شیمیایی1 forwards · 179 subscribersاستخدامی مهندسی شیمی و نفت1 forwards · 2,018 subscribersمجتمع فنی صدرا1 forwards · 589 subscribersTechnical Plant Inspection1 forwards · 2,936 subscribers
Forwards between catalog venues; forwards from people are not shown.
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1,821members311messages in 30 d115writingcatalog data as of 07.10.2026 10:06 UTC · Updated: 2026-10-06 16:42 UTC · How we count →