最近发表在《国家科学院院刊》上的一项新研究对这一乐观前景提出了挑战。
A new study, just published in the Proceedings of the National Academy of Sciences challenges the rosy picture.
例如，2018年发表在《美国国家科学院院刊》上的一项研究跟踪调查了荷兰的研究人员。
A 2018 study published in the Proceedings of the National Academy of Sciences, for example, followed researchers in the Netherlands.
美国国家科学院的报告强调了立方体卫星在科学发现和培养未来空间科学家和工程师方面的重要性。
The National Academy of Sciences report emphasizes CubeSats' importance in scientific discovery and the training of future space scientists and engineers.
美国国家科学院于2011年4月的报告称，这样的长时间延误是美国航空航天局面临的主要挑战之一。
Lengthy delays like this are one of the key challenges for NASA, according to an April 2011 report from the US National Academy of Sciences.
研究人员在《国家科学院院刊》上报告称，它们可能是古代的“酿酒工具”，也是中国酿造啤酒最早的直接证据。
They may be ancient "beer-making tools", and the earliest direct evidence of beer brewing in China, the researchers reported in the Proceedings of the National Academy of Sciences.
美国国家科学院的主席布鲁斯·阿尔伯茨在该小组报告的前言中补充了这一点：“科学永远无法提供所有答案。”
The president of the National Academy, Bruce Alberts, added this key point in the preface to the panel's report: "Science never has all the answers."
它是第一个从国家科学院所确定的可持续性主要目标，即从生产力、经济效益和环境这几方面来比较有机农业和传统农业。
It is the first to compare organic and conventional agriculture across the main goals of sustainability identified by the National Academy of Sciences: productivity, economics, and environment.
最近一次是由白宫召集的美国国家科学院的一个专家小组告诉我们，地球的大气确实在变暖，而且这个问题主要是人为造成的。
The latest was a panel from the National Academy of Sciences, enlisted by the White House, to tell us that the Earth's atmosphere is definitely warming and that the problem is largely man-made.
发表在《美国国家科学院院刊》的一项研究发现：与不存在全球变暖的世界相比，大多数贫穷国家的经济产量有超过九成的可能性会因温度升高而下降。
A study coming out in the Proceedings of the National Academy of Science found that in most poor countries, higher temperatures are more than 90% likely to have resulted in a fall in economic output, compared to a world without global warming.
美国国家科学院列出的“生物、个人、家庭、同伴、学校和社区因素”都发挥了各自的作用。
National Academy of Sciences listed "biological, individual, family, peer, school, and community factors" as all playing their parts.
正如美国国家科学院最近的一份报告所强调的，这些卫星具有巨大的潜力，可以使基于卫星的科学比以往任何时候都更容易获得。
As a recent report from the National Academy of Sciences highlights, these satellites hold tremendous potential for making satellite-based science more accessible than ever before.
国家科学院国际交流事务处。
国家科学院报告的作者写道。
the authors of the National Academies of Science report write.
他们的研究结果就刊登在国家科学院的学报上。
Their results of research are published in journal of national academic.
这份报告是由医学研究所，国家科学院的一部分。
The report is from the Institute of Medicine, part of the National Academies.
他还是美国国家工程学院与美国国家科学院的院士。
He is a member of the National Academy Engineering and National Academy of Science.
关于此问题的论文也在美国国家科学院汇刊上发表了。
Their paper appears in the Proceedings of the National Academy of Science.
这一工作的报道发布于国家科学院会议录的网络版上。
A report on this work appears in the advanced online issue of Proceedings of the National Academy of Science.
先前，Hallie是美国国家科学院医学院新媒体主管。
Previously, Hallie worked as the Director of New Media at the Institute of Medicine of the U.S. National Academies.
这一发现已在美国国家科学院院刊（PNAS）上发表了。
The findings have been published in the medical journal PNAS.
该研究成果刊登在美国《国家科学院学报》22日网络版上。
The research is published in the online journal Public Library of Science.
据悉，此项研究的结果已经刊登在《美国国家科学院刊》上。
It is reported, the study results have been published in the proceedings of the national science.
在这个学院工作的科学家是世界历史上第一批国家科学院的院士。
The scientists in this academy were the first batch of national academicians in the history of the world.
美国国家科学院最近的一份研究报告表明细胞总数比之前提出的要少。
A new analysis published in Proceedings of the National Academies of Science suggests there are fewer cells than previously proposed.
据美国国家科学院医学研究所所称，在美国将减少接触含动物脂肪的饮食。
According to the Institute of Medicine of the National Academies in America it will reduce exposure to dietary pollutants that are carried in animal fats.
这项发表在美国《国家科学院》期刊上的研究，分析了印第安纳州的217条溪流。
The study, published in the journal Proceedings of the National Academy of Science, analysed 217 streams in Indiana.
美国国家科学院院刊.深红代表每天0.3毫米的增长；深蓝代表0.3毫米的下降。
PNAS. Dark red is an increase of 0.3 millimeters per day; dark blue, a decrease of 0.3 millimeters.
一项最近的研究发表在国家科学院公报，发现证据表明燃煤电厂可能实际上在冷却地球。
A recent study published in the Proceedings of the National Academy of Science found evidence that coal burning plants may actually be cooling the planet.
根据美国国家科学院学报称，在安第斯部分地区，几乎每个人都在他们的家庭菜园种亚贡雪莲果。
In some parts of the Andes, almost everyone has yacon in their family gardens, according to the National Academy of Science.
根据美国国家科学院学报称，在安第斯部分地区，几乎每个人都在他们的家庭菜园种亚贡雪莲果。
In some parts of the Andes, almost everyone has yacon in their family gardens, according to the National Academy of Science.
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