


一 | 据报道,当地时间周三,德国汽车制造商宝马公司表示,他们将投资17亿美元在美国生产电动汽车,这是一家大型汽车制造商关于提升在美国的电动汽车产量的最新消息。宝马集团董事长奥利弗·齐普策(Oliver Zipse)在接受采访的时候表示:“这是迄今为止我们所做的规模最大的单项投资。”南卡罗来纳州州长亨利·麦克马斯特(Henry McMaster)在一个仪式上说,宝马的资本投资是该州历史上规模最大的一次。宝马还表示,中国可再生能源集团远景的汽车能源供应公司(AESC)也将在南卡罗来纳州建立一个新的电池芯工厂,年产能达30GWh,该公司将为宝马供应电池芯。

二 | 这家豪华汽车制造商计划在2030年时,在美国至少生产六款纯电动宝马车型。 One of the largest black hole jets in the sky has been uncovered by astronomers at Western Sydney University, new research published in the journal Monthly Notices of the Royal Astronomical Society has revealed.,According to the paper, in terms of distance from Earth, the galaxy NGC2663 is close by at just 93 million light-years.,With nearly ten times as many stars as our own Milky Way, it has the recognizable oval shape of a "typical" elliptical galaxy when viewed through a standard telescope. Led by astronomer Velibor Velovic of Western Sydney University, the research team used CSIRO's Australian Square Kilometre Array Pathfinder (ASKAP), a system of 36 connected radio dishes acting as a single super-telescope in Western Australia, to make their findings.,A core black hole's jet of material is visible in the radio waves as it leaves the galaxy. If our eyes could see it in the night sky, it would be larger than Earth's moon. This powerful torrent of material is approximately 50 times larger than the galaxy, stretched over almost 1 million light-years, according to the research.,The process studied by the scientists is rather similar to an effect seen in jet engines. The surrounding pressure pushes the exhaust plume from the sides as it rockets through the vacuum. As a result, the jet pulsates while expanding and contracting. Regular bright spots in the jet, called "shock diamonds" due to their shape, were observed by the team.,The flow glows brighter as it constricts.,Shock diamonds have been observed in smaller, galaxy-sized jets as well as in jet engines. Jets have been observed slamming into dense gas clouds, illuminating them as they pass through. However, a more subtle effect that makes it more difficult to see is the restriction of jets from the sides.,The paper underscored that astronomers have not observed this effect on such massive scales before NGC2663. This reportedly demonstrates that NGC2663 is surrounded by enough matter to push against the sides of the jet. The substance is then heated and pressurized by the jet.,A feedback loop is created when intergalactic matter enters a galaxy, which then creates a black hole that releases a jet. In turn, the jet decreases the inflow of intergalactic matter into galaxies. As the universe expands, these jets have an impact on how gas condenses into galaxies.,The Evolutionary Map of the Universe survey, which is also credited with discovering a new category of enigmatic astronomical object known as a "Odd Radio Circle," is still scanning the space.,‘Best Physical Models Can’t Fit The Data’: Radio Bursts Detected in Space ‘Defy’ Existing Theories7 August, 14:45 GMT。宝马公司表示,他们不会确定停止生产燃气动力汽车的日期,这引起了人们对美国新的电动车税收优惠要求的担忧,该要求旨在要求车企停止使用来自中国的电池部件和矿物。齐普策表示,没有一个地区可以完全独立,特别是在电池原材料方面,美国“应该制定一个现实的规定”。他警告说,8月通过的新的7,500美元电动车税收抵免法可能导致多家汽车制造商无法享受优惠政策。他说道:“如果你阻止了行业发展,这将是一场灾难。”宝马表示,其新的电池规格将把能量密度提高20%以上,提高充电速度,并将续航能力提高30%。宝马集团此前已经宣布,将在欧洲和中国增建四个电池芯工厂,以满足其需求。齐普策表示,计划中的第六家电池厂的位置将由市场需求决定。这些由宝马合作伙伴也建设的电池工厂的年产能将达到20GWh。宝马在南卡罗来纳州有30年历史的工厂已经生产了600多万辆汽车,该工厂雇用着超过1.1万名员工,年产量高达45万辆。南卡罗来纳州向斯巴达堡工厂提供了6500万美元的赠款,以协助支付与该项目有关的费用。
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