Numerical efficiency of explicit time integrators for phase-field models

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No one knows how much publishers make in return for providing these modest services, but we can guess. In 2017, the Association of Research Libraries surveyed its 123 member institutions and found they were paying a collective $1 billion in journal subscriptions every year. The ARL covers some of the biggest universities, but not nearly all of them, so let’s guess that number accounts for half of all university subscription spending. In 2023, the federal government estimated it paid nearly $380 million in article processing charges alone, and those are separate from subscriptions. So it wouldn’t be crazy if American universities were paying something like $2.5 billion to publishers every year, with the majority of that ultimately coming from taxpayers.

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1945年4月至6月,包括中共代表董必武同志在内的中国代表团出席在美国旧金山召开的联合国制宪会议,并在《联合国宪章》上签字。中国成为联合国的创始会员国之一和安理会五个常任理事国之一。在美期间,董必武同志努力开展海外统一战线工作。他广泛接触国际友好人士及海外华侨,组织散发英文版的《中国解放区实录》,介绍中国共产党的抗日战绩和解放区建设发展的成就,阐述党的抗日民族统一战线政策,产生了积极而广泛的影响。在党的七大和七届一中全会上,董必武同志当选为中央委员和中央政治局委员。,详情可参考PDF资料

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