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重庆唯一具备周调节能力的抽水蓄能电站项目取得关键节点突破,重庆唯一具备周调节能力的抽水蓄能电站项目取得关键节点突破_我的网站

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    China US Photo:VCGAmerican scientists have voiced opposition to a proposed rule which seeks to ban federal funding for US science collaboration with China, saying that it would instead hurt US interest, the Washington Post reported on Tuesday. Chinese experts also warned that the slew of US restrictions on China-US scientific cooperation is unlikely to deal a fatal blow to China's scientific development, but could instead backfire on the US.
The proposed Office of Management and Budget (OMB) rule, set to take effect in December, would mark one of the biggest overhauls of US science funding in decades, giving political appointees greater authority over grant awards previously guided by scientific peer review and requiring that they "advance the President's policy priorities," according to the Washington Post. 
It would also effectively expand the 2011 Wolf Amendment, which bars scientists from using NASA funding for bilateral collaborations with China, to all federal agencies and scientists receiving federal funds, marking the largest break in US-China scientific engagement in decades, the US media outlet reported.
So far, the proposed rule has garnered nearly half a million public comments, many from scientists and leading US science bodies. A Washington Post analysis of 50,000 of those comments found that around 88 percent were negative.
The rule, initially set to take effect in October, was pushed back to December after a bipartisan stopgap funding bill temporarily halted its adoption. Unlike the Wolf Amendment, the rule does not require congressional approval to take effect.
"I do think there are still members of Congress who think we have a monopoly on knowledge. They think we're still in the Cold War Soviet era ... where we were ahead in most areas of science and technology. That is not the case with China. We are no longer the leader in many areas of science," said Tobin Smith, senior vice president for government relations and public policy at the Association for American Universities, which advocates on behalf of leading US research universities, per the Washington Post.
Scientists warn that the rule risks subjecting long-term scientific research to four-year political cycles. "We will not succeed if with every new administration we are ping-ponging back and forth about priorities," the American Association for the Advancement of Science said in a blistering comment, urging the administration to withdraw the rule. "Fast-tracking such profound changes ... hands an easy victory to nations like China," it said, the Washington Post reported.
This reflects a fundamental divide between the US government and the scientific community over how science should develop, Wang Yiwei, a professor at Renmin University of China's School of International Studies, told the Global Times. He noted that politicians tend to believe that suppressing China as a competitor would allow the US to preserve its market dominance and technological edge. 
Scientists, however, tend to follow a different logic, as scientific progress depends on openness, exchanges and collaboration. If science and technology are driven solely by competition and private capital, with the ultimate goal of maintaining technological monopolies, this could create greater risks and ultimately undermine US interests as well, Wang said. 
The proposed rule change is the latest salvo in a broader battle in Washington over how to respond to China's rise as a scientific superpower. In July, the US National Science Foundation (NSF) also moved to ban collaborations between scientist it funds and many Chinese research institutions and their employees, according to Science magazine. 
Liu Shaoshan, director of the Center for Embodied AI at the Shenzhen Institute of Artificial Intelligence and Robotics for Society and a former US-based researcher, told the Global Times in a previous interview that the NSF's new proposed rules created a "talent wall," arguing that restrictions based on nationality, institutional affiliation, and research partnerships could reduce the global talent pool available to the US, weaken its ability to attract leading scientists, and slow scientific innovation. 
Liu also said scientific advancement relies not only on discovery but also on the exchange, validation, and dissemination of knowledge.
Wang also said China has built significant strengths through its vast pool of scientists and engineers, complete industrial chains and massive application scenarios, while increasingly moving from application-oriented innovation toward original research. Against this backdrop, US technological blockades and restrictions on cooperation are unlikely to halt China's progress, but could instead isolate American scientists from China's latest research and collaboration opportunities. Such an approach could also prevent the two countries from leveraging their respective strengths and ultimately undermine US competitiveness, Wang said.
。    　　重庆8月25日电(肖江川 王津川 梁勇)25日，重庆唯一具备周调节能力的抽水蓄能电站——中国大唐重庆武隆银盘抽水蓄能电站项目实现地下厂房中导洞全面贯通和导流泄洪洞进口顺利进洞两个关键节点的突破，这也为项目主体工程建设按期推进创造了有利条件。　　据介绍，项目地下厂房中导洞位于主副厂房一层中部，全长188.95米，开挖断面宽11米、高9.5米，洞室石方开挖量超过2.2万立方米。

二 | 中导洞贯通后，主厂房分层扩挖及主体结构施工核心作业通道全面打通。　　该项目导流泄洪洞位于上水库大坝右岸山体内，洞身长677米，净断面宽4米、高5米，承担疏导河道水流、保障主体工程干地施工和抵御汛期洪水等任务。此次顺利进洞，标志着这一关键控制性工程进入洞身施工阶段，为后续河道截流和大坝主体填筑奠定基础。图为建设中的中国大唐重庆武隆银盘抽水蓄能电站。朱小龙 摄　　中国大唐重庆武隆银盘抽水蓄能电站位于武隆区文复乡、江口镇境内，总装机容量120万千瓦，安装4台30万千瓦可逆式水轮发电机组。作为“十五五”期间重庆市重点推进的清洁能源项目，电站建成后，将承担重庆电网调峰、填谷、储能、调频、调相及紧急事故备用等任务，进一步提升重庆电网灵活调节能力和安全稳定运行水平。

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Published on:03:03:17