Those companies knew they had a captive audience, so they bought up as many journals as they could. Journal articles aren’t interchangeable commodities like corn or soybeans—if your science supplier starts gouging you, you can’t just switch to a new one. Adding to this lock-in effect, publishing in “high-impact” journals became the key to success in science, which meant if you wanted to move up, your university had to pay up. So, even as the internet made it much cheaper to produce a journal, publishers made it much more expensive to subscribe to one.
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Американские чиновники и законодатели, имеющие доступ к секретной информации, считают, что обвинения администрации президента США Дональда Трампа против Ирана «неполны, необоснованны или откровенно неверны». Об этом сообщает The Wall Street Journal (WSJ).
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If you've ever put a job listing up and watched your inbox explode with hundreds of applications before you've even finished your coffee, you're probably already looking for ways to use new tools to help automate the process.
The Rotating Stone is available for the Koda 2, Koda 2 Pro and Koda 2 Max for $329, $349 and $399 respectively. If you need the oven too, bundles are priced at $799, $1,099 and $1,649.。关于这个话题，91视频提供了深入分析