面向世界科技前沿,面向国家重大需求,面向国民经济主战场,率先实现科学技术跨越发展,率先建成国家创新人才高地,率先建成国家高水平科技智库,率先建设国际一流科研机构。

——中国科学院办院方针

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時間:2022-08-16 來源:本站 點擊:258次
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Djokovic back in detention as Australia cancels visa******

AFP

Novak Djokovic of Serbia attends a practice session ahead of the Australian Open tennis tournament in Melbourne on January 14, 2022.

Novak Djokovic was again detained in Australia on Saturday, after authorities ripped up his visa for a second time and declared the unvaccinated tennis superstar a threat to the public.

Court documents showed the 34-year-old Serbian was currently being detained at an address in Melbourne, as his appeal against deportation is heard.

Just two days before the Australian Open begins, the world number one is again focused on law courts rather than center court in the latest twist in a high-profile row over his COVID-19 vaccine status.

Immigration Minister Alex Hawke now claims Djokovic's continued presence in the country could "foster anti-vaccination sentiment" and even spark an "increase in civil unrest."

Djokovic was summoned to appear before immigration officials in Melbourne ahead of emergency Federal Court hearings on Saturday and Sunday.

He was allowed to follow court proceedings from an address – believed to be his lawyers' offices – under guard of two Australian Border Force officers.

This is the second attempt by Australia's conservative government to deport Djokovic, one of the world's most high-profile COVID-19 vaccine sceptics.

The 34-year-old Serbian used a medical exemption to enter Australia earlier this month, hoping to challenge for a record 21st Grand Slam title at the Open.

Amid public outcry, Prime Minister Scott Morrison's government revoked Djokovic's visa on arrival.

Many Australians – who have suffered prolonged lockdowns and border restrictions – believe Djokovic gamed the system to dodge vaccine entry requirements.

But the government was humiliated when a judge reinstated Djokovic's visa and allowed him to remain in the country.

This time, the government has invoked exceptional – and difficult to challenge – executive powers to declare him a threat to public health and safety.

The government argues that Djokovic's presence is a threat to public health and order, particularly as Australia suffers a tidal wave of Omicron infections.

His continued presence in the country "may pose a health risk to the Australian community" by solidifying anti-vaccine sentiment and discouraging people from getting boosters, Immigration Minister Hawke argued, according to a court filing released on Saturday.

Djokovic's lawyers argue the government "cited no evidence" to support their claims.

The minister admitted that Djokovic is at "negligible" risk of infecting Australians, but argued his past "disregard" for COVID-19 regulations may pose a risk to public health and encourage people to ignore pandemic rules.

'Health and good order'

The tennis ace contracted COVID-19 in mid-December and, according to his own account, failed to isolate despite knowing he was positive.

Public records show he attended a stamp unveiling, youth tennis event and granted a media interview around the time he got tested and his infection was confirmed.

In a statement, Hawke said the government was "firmly committed to protecting Australia's borders, particularly in relation to the COVID-19 pandemic", citing "health and good order grounds" for the decision to cancel Djokovic's visa once again.

The minister said "it was in the public interest to do so."

The government has agreed not to deport Djokovic until the hearing is over, barrister Stephen Lloyd told an emergency late-night federal court session on Friday.

Djokovic is the Australian Open's top seed and a nine-time winner of the tournament. He had been practiscng just hours before Hawke's decision was announced.

It is unclear if Djokovic will choose to stay and fight the case if he believes he is unable to compete in the Australian Open.

Serbian President Aleksandar Vucic on Friday accused Australia of "mistreating" the country's biggest star, and a national hero.

"If you wanted to ban Novak Djokovic from winning the 10th trophy in Melbourne why didn't you return him immediately, why didn't you tell him 'it is impossible to obtain a visa'?" Vucic said on Instagram.

"Novak, we stand by you!"

'In the public interest'

Prime Minister Morrison backed the decision, saying: "Australians have made many sacrifices during this pandemic, and they rightly expect the result of those sacrifices to be protected."

The visa cancellation effectively means Djokovic would be barred from obtaining a new Australian visa for three years, except under exceptional circumstances, ruling him out of one of the four Grand Slam tournaments during that time.

He is currently tied with Roger Federer and Rafael Nadal with 20 Grand Slam titles each.

Former world No.1 Andy Murray, who will play at the Open, said on Friday he hoped Djokovic's status would be cleared up.

"It just seems like it's dragged on for quite a long time now and (it's) not great for the tennis, not great for the Australian Open, not great for Novak," Murray said.

Other players, including world No. 4 Stefanos Tsitsipas, have criticized Djokovic.

"For sure he has been playing by his own rules," Tsitsipas told Indian broadcaster WION on Thursday.

你买金饰品了吗?2021年黄金消费量1120.90吨 同比增长36%******

  最近,有明星戴金饰品,有年轻人结婚的时候展示金饰品。周末和假期,不少人闲下来,开始消费,一些商场里,有人在咨询金饰品,选购以后装扮自己。年轻人你买金饰品没?近日,中国黄金协会发布的消息提到,2021年我国黄金产量328.98吨,同比下降9.95%,黄金消费量1120.90吨,同比增长36.53%。

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2021年,国内原料黄金产量同比下降9.95%

  据中国黄金协会最新统计数据显示:2021年,国内原料黄金产量为328.98吨,比2020年减产36.36吨,同比下降9.95%,其中,黄金矿产金完成258.09吨,有色副产金完成70.89吨。另外,2021年进口原料产金114.58吨,同比上升0.37%,若加上这部分进口原料产金,全国共生产黄金443.56吨,同比下降7.50%。

  2021年,大型黄金企业(集团)境内矿山矿产金产量121.68吨,占全国的比重为47.14%。在“双循环”新发展格局背景下,大型黄金企业(集团)积极开发海外矿山资源,取得良好成绩。2021年,紫金矿业、山东黄金、赤峰黄金和灵宝股份等企业境外矿山实现矿产金产量38.63吨,同比上升19.86%。

  2021年,全国黄金实际消费量1120.90吨,与2020年同期相比增长36.53%,较疫情前2019年同期增长11.78%。其中:黄金首饰711.29吨,较2020年同期增长44.99%,较2019年同期增长5.18%;金条及金币312.86吨,较2020年同期增长26.87%,较2019年同期增长38.56%;工业及其他用金96.75吨,同比增长15.44%。

  2021年,在我国统筹经济发展和疫情防控工作的显著成效下,国内黄金消费总体保持恢复态势,并实现同比较快增长。由于2020年同期基数较低,首季度黄金消费量同比大幅增长93.90%,随着疫情防控形势的好转,黄金消费需求继续稳步释放,硬足金、古法金等黄金首饰消费强势上升,金条及金币销量也保持稳健增长,并明显高于疫情前水平。在此期间,“中国黄金”和“菜百股份”两家重点黄金销售企业相继登陆A股上市。随着国内新能源产业和电子工业快速发展,工业用金需求也保持稳定增长。

  2021年,上海黄金交易所全部黄金品种累计成交量双边3.48万吨(单边1.74万吨),同比下降40.62%,成交额双边13.08万亿元(单边6.54万亿元),同比下降41.99%;上海期货交易所全部黄金品种累计成交量双边9.71万吨(单边4.85万吨),同比下降11.33%,成交额双边34.19万亿元(单边17.10万亿元),同比下降17.54%。

  对于金价走势,你怎么看呢?华商报记者 黄涛


来源:华商网-华商报

编辑:方正

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呼声回应丨郭杜三仁路车子违停道比较严重 西安高新交警队:加强治理******

  12月2日,有群众体现,西安郭杜三仁路两边车辆占道比较严重,附近21中小学、23中小学、31中小学、22幼稚园等近十所院校集中化,常常造成拥堵,存有安全风险。

  对于群众体现的问题,西安交警高新科技中队西太路中队马上分配警察前去整顿,三仁路属混行路面,马路边居民和商家多,一部分驾驶员忽视交通法规将车辆停到马路边,警察对有驾驶人的违停车辆开展了劝离,无驾驶人的违停车辆照相调查取证后入录交通违章不但进行处分,与此同时汇报管委会在三仁路安裝禁停标志,下一步管辖区中队将加强三仁路违停车辆整治幅度。

  华商报小编 杨平。



来源于:华商网-华商报。

编缉:方方正正。

双语热点:韦伯太空望远镜:怎么让大家见到大量未知的宇宙?******

大家希望的詹姆斯·韦伯太空望远镜(The James Webb Space Telescope ,JWST)将在12月22日发射火箭升空,科技界对它很有可能发觉的宇宙的奥秘激动不已。这台望眼镜的发射,早已延迟了十年之久,成本也大幅度超过预算约90亿美金。好多个小问题来简易了解一下这台深受希望的望远镜吧。

What is the James Webb Space Telescope and when will it launch?

Nasa is preparing to launch a space telescope that will see further into the Universe than anything else ever built.。

美国国家航空航天局(NASA)正提前准备发射一个太空望远镜,它将比过去修建的一切望眼镜要看得很远。

The James Webb Space Telescope (JWST) has taken 30 years and $10bn (£7.5bn) to develop, and is being described as one of the grand scientific endeavours of the 21st Century.。

詹姆斯·韦伯太空望远镜(JWST) 的开发设计用时 30 年,斥资 100 亿美金(75 亿英镑),被觉得是 21新世纪最宏伟的科学探索之一。

What is the goal of this telescope?

詹姆斯·韦伯太空望远镜的每日任务有什么?

The telescope will be able to see just about anything in the sky. However, it has one overriding objective - to see the light coming from the very first stars to shine in the Universe.。

詹姆斯·韦伯太空望远镜将可以见到天空中的任何东西。殊不知,它有一个重中之重——探索世界最开始产生时第一批星系传出的光。

These pioneer stars are thought to have switched on about 100-200 million years after the Big Bang, or a little over 13.5 billion years ago.。

这种最开始星系被觉得是在爆发后差不多1亿到2亿光年,也就是大概 135 亿光年前打开的。

Why would we want to see the first stars?

为何我们要见到第一批星系?

这个由近万个星系构成的图像被称为哈勃超深空(the Hubble Ultra Deep Field),由哈勃太空望远镜在环绕地球400圈后积累影像数据而成。  这一由近万只星系组成的图象被称作哈勃超太空(the Hubble Ultra Deep Field),由哈勃太空望远镜在环绕地球400圈后累积影象数据信息而成。

When the Universe was formed in the Big Bang, it contained only three chemical elements - hydrogen, helium and a smattering of lithium.。

当宇宙空间在爆发中产生时,它只包括三种化学分子——氢、氦和少许的锂。

Every other chemical element - including those vital to life, such as carbon and oxygen - had to be forged, or "manufactured", by nuclear reactions at the centre of stars.。

全部别的化学分子——包含这些对性命尤为重要的原素,如碳和氧——都需要根据行星核心的核反应煅造或“生产制造”。

Webb will help us understand the origins of everything we see around us, and how we came to be.。

韦伯将协助大家知道大家周边所闻的一切事情的发源,及其我们都是怎样产生的。

How does Webb differ from existing space telescopes?

韦伯与目前的太空望远镜有哪些区别?

美国国家航空航天局的哈勃太空望远镜显示出创世之柱在可见光和近红外光中显得多么不同。美国国家航空航天局的哈勃太空望远镜表明出创世之柱在能见光和近红外线中看起来多么的不一样。

It's much bigger than the Hubble telescope, which has been orbiting Earth since 1990.。

它比自 1990 年至今一直紧紧围绕地球上运作的哈勃望眼镜大很多。

Hubble collects light using a main mirror that's 2.4m (7.8ft) across, while Webb has a primary mirror that's 6.5m in diameter.。

哈勃应用直徑为 2.4米(7.8 英寸)的主镜搜集光源,而韦伯则应用直徑为 6.5米的主镜。

With all the other associated equipment, Webb is about the size of a tennis court. It's so big, in fact, it has to be folded to fit inside its launch rocket.。

再加上全部别的有关机器设备,韦伯大概有一个网球场地那么大。实际上,它太大,务必折叠式起來才可以放进发射火箭弹。

But the key aspect of Webb is that it is tuned to detect light that Hubble cannot - in the infrared. This light is invisible to the human eye, but it's the type of light in which the glow from the most distant objects in the Universe will show up.。

但韦伯的主要优点是它通过调节,可以搜集到哈勃没法搜集到的光——红外线。这类仅是人眼见看不到的,但它是宇宙空间中最漫长物件会传出的光的种类。

When will it launch?

什么时候发射火箭升空?

At the moment, Webb - named after James E Webb, the Nasa boss who oversaw the Apollo Moon-landing project - is scheduled to go into orbit on Wednesday 22 December.。

现阶段,这台以承担阿波罗登月新项目的美国nasa厅长詹姆斯·韦伯的名称定名的太空望远镜方案于 12 月 22 日星期三进到路轨。

It will be launched on a European Ariane-5 rocket from French Guiana. The European Space Agency is a partner on the project, and has agreed to take on the responsibility of getting Webb into space.。

它将由欧洲地区亚利安5号火箭弹从法属圭亚那发射进到外太空。欧洲航天局是此项目地合作方,并允许担负将韦伯送进外太空的义务。

How much has Webb cost and why?

韦伯的斥资是多少,为什么消耗这般极大?

Nasa spent $8.8bn on Webb's design and build, and it will put in a further $860m to support five years of mission operations.。

美国nasa在韦伯的制定和修建上耗费了 88 亿美金,并将再资金投入 8.6 亿美金来适用五年的每日任务运作。

The European Space Agency has invested about €700m (£590m) in the project, contributing to two of Webb's four instruments and providing the Ariane launch rocket. The Canadian Space Agency (CSA) also put in about CA$200m (£120m).。

欧洲航天局已在该新项目中项目投资了约 7 亿欧(5.9 亿英镑),为韦伯的四台仪器设备中的两部作出了适用,并出示了阿丽亚娜火箭发动机。澳大利亚航天部门 (CSA) 也资金投入了约 2 亿加元(1.2 亿英镑)。

It all adds up to a figure in excess of $10bn (£7.5bn; €9bn; CA$12.7bn).。

这一切斥资加起來超出 100 亿美金(75 亿英镑;90 亿欧;127 亿加元)。

It's true Webb is years behind schedule, and it's suffered on occasions from poor project management. But some of the money has been spent on technology developments that have had wider application elsewhere - for instance, a measurement tool created for Webb is now used in precision eye surgery.。

的确,韦伯比方案晚了很多年,并且它有时候会遭受项目风险管理不当的危害。但一部分钱已用以在其它层面更普遍的运用——比如,为韦伯建立的测量仪器如今用以高精密眼科手术。

For context, Hubble has so far cost close to $15bn in today's prices. Few would doubt its worth after all its discoveries over the past 30 years, and the James Webb Space Telescope is expected to be no less revolutionary.。

目前为止,哈勃以今日的价钱测算的成本费已贴近 150 亿美金。非常少有的人会猜疑它过去 30 年来的使用价值,并且詹姆斯·韦伯太空望远镜预估也一样具备颠覆性。

东鹏饮料:上半年净利7.55亿元 同比增11.66%

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