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Warning: file_put_contents(): Only 8192 of 10639 bytes written, possibly out of free disk space in /var/www/group-telegram/post.php on line 50 مهندسی مواد پارس پژوهان | Telegram Webview: materials_parspajouhaan/9090 -
♦️ولکانیزاسیون: پرمصرف‌ترین و معمول‌ترین عامل ولکانش، گوگرد می‌باشد که با اکثر لاستیک‌های سیرنشده وارد واکنش شده و تولید فراورده ولکانیده می‌کند. گوگرد به دو آرایش رومبیک و بی‌شکل وجود دارد. دو عنصر سلنیم و تلوریم نیز قادر هستند محصولات ولکانیده تولید کنند. سلنیم و تلوریم در جایی‌که مقاومت گرمایی عالی مورد نیاز است جایگزین گوگرد می‌شوند. این مواد زمان پخت (ولکانش) را کاهش داده و خواص فراورده را بهبود می‌بخشند. @materials_parspajouhaan
♦️ولکانیزاسیون: پرمصرف‌ترین و معمول‌ترین عامل ولکانش، گوگرد می‌باشد که با اکثر لاستیک‌های سیرنشده وارد واکنش شده و تولید فراورده ولکانیده می‌کند. گوگرد به دو آرایش رومبیک و بی‌شکل وجود دارد. دو عنصر سلنیم و تلوریم نیز قادر هستند محصولات ولکانیده تولید کنند. سلنیم و تلوریم در جایی‌که مقاومت گرمایی عالی مورد نیاز است جایگزین گوگرد می‌شوند. این مواد زمان پخت (ولکانش) را کاهش داده و خواص فراورده را بهبود می‌بخشند. @materials_parspajouhaan
The War on Fakes channel has repeatedly attempted to push conspiracies that footage from Ukraine is somehow being falsified. One post on the channel from February 24 claimed without evidence that a widely viewed photo of a Ukrainian woman injured in an airstrike in the city of Chuhuiv was doctored and that the woman was seen in a different photo days later without injuries. The post, which has over 600,000 views, also baselessly claimed that the woman's blood was actually makeup or grape juice. Stocks dropped on Friday afternoon, as gains made earlier in the day on hopes for diplomatic progress between Russia and Ukraine turned to losses. Technology stocks were hit particularly hard by higher bond yields. Some people used the platform to organize ahead of the storming of the U.S. Capitol in January 2021, and last month Senator Mark Warner sent a letter to Durov urging him to curb Russian information operations on Telegram. That hurt tech stocks. For the past few weeks, the 10-year yield has traded between 1.72% and 2%, as traders moved into the bond for safety when Russia headlines were ugly—and out of it when headlines improved. Now, the yield is touching its pandemic-era high. If the yield breaks above that level, that could signal that it’s on a sustainable path higher. Higher long-dated bond yields make future profits less valuable—and many tech companies are valued on the basis of profits forecast for many years in the future. "Your messages about the movement of the enemy through the official chatbot … bring new trophies every day," the government agency tweeted.
from id
