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مهندسی شیمی پارس پژوهان | Telegram Webview: parspajouhaan_chemistry/4985 -
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اگر در GC از گاز هیدروژن به جای گاز نیروژن به عنوان گاز حامل استفاده شود، زمان بازداری پیک های ترکیبات قطبی و غیر قطبی چگونه تغییر میکند؟
Anonymous Poll
برای هر دو کاهش می یابد
برای هر دو افزایش می یابد
برای ترکیبات قطبی کاهش و برای ترکیبات غیر قطبی افزایش می یابد
برای ترکیبات قطبی افزایش و برای ترکیبات غیر قطبی کاهش می یابد
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Telegram | DID YOU KNOW?

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Russians and Ukrainians are both prolific users of Telegram. They rely on the app for channels that act as newsfeeds, group chats (both public and private), and one-to-one communication. Since the Russian invasion of Ukraine, Telegram has remained an important lifeline for both Russians and Ukrainians, as a way of staying aware of the latest news and keeping in touch with loved ones. In the past, it was noticed that through bulk SMSes, investors were induced to invest in or purchase the stocks of certain listed companies. The Security Service of Ukraine said in a tweet that it was able to effectively target Russian convoys near Kyiv because of messages sent to an official Telegram bot account called "STOP Russian War." READ MORE What distinguishes the app from competitors is its use of what's known as channels: Public or private feeds of photos and videos that can be set up by one person or an organization. The channels have become popular with on-the-ground journalists, aid workers and Ukrainian President Volodymyr Zelenskyy, who broadcasts on a Telegram channel. The channels can be followed by an unlimited number of people. Unlike Facebook, Twitter and other popular social networks, there is no advertising on Telegram and the flow of information is not driven by an algorithm.
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