#امروز_در_شیمی 🧪
۱۸ آوریل:
در این روز Paul de Boisbaudran متولد شد.
مهمترین کار او در طیف سنجی و کاربرد آن در فلزات کمیاب زمین بود. او طیف 35 عنصر را با استفاده از مشعل بونزن یا جرقه الکتریکی برای القای لومینسانس تجزیه و تحلیل کرد و در نتیجه لانتانیدهای ساماریوم (Sm)، دیسپروزیم (Dy) و یوروپیوم (Eu) را کشف کرد.
@elixir_journal
BY نشریه اکسیر
The campaign, which security firm Check Point has named Rampant Kitten, comprises two main components, one for Windows and the other for Android. Rampant Kitten’s objective is to steal Telegram messages, passwords, and two-factor authentication codes sent by SMS and then also take screenshots and record sounds within earshot of an infected phone, the researchers said in a post published on Friday.
Pinterest (PINS) closed at $71.75 in the latest trading session, marking a -0.18% move from the prior day. This change lagged the S&P 500's daily gain of 0.1%. Meanwhile, the Dow gained 0.9%, and the Nasdaq, a tech-heavy index, lost 0.59%. Heading into today, shares of the digital pinboard and shopping tool company had lost 17.41% over the past month, lagging the Computer and Technology sector's loss of 5.38% and the S&P 500's gain of 0.71% in that time. Investors will be hoping for strength from PINS as it approaches its next earnings release. The company is expected to report EPS of $0.07, up 170% from the prior-year quarter. Our most recent consensus estimate is calling for quarterly revenue of $467.87 million, up 72.05% from the year-ago period.
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