Yearly Archives: 2024

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According to Bloomberg News reported on May 20, copper prices soared to their highest level in history, continuing their months-long rally. The rally was driven by financial investors who poured into the market amid predictions that supply shortages would intensify.

Copper futures prices on the London Metal Exchange rose more than 4%. Copper prices topped US$110,000 a tonne for the first time, but gave up some of their gains in afternoon trading.

For months, banks, mining and investment funds have been touting copper’s bright long-term prospects. In the past few weeks, investment has poured into the market.

Several developments in 2024 have emboldened copper bulls and attracted more and more speculative funds. Rumors are rampant that tight supply of copper ore has caused smelters to cut production. Investors predict that a surge in copper use in fast-growing sectors such as electric vehicles, renewable energy and artificial intelligence will offset the drag caused by traditional industries such as construction.

In early April, copper prices began to rise. Last week, a short squeeze on the New York futures market triggered a global rush to buy copper, and copper prices rose into overdrive.

Investors, traders and mining executives have been warning for years that the world will face severe copper shortages as demand for green industries surges.

However, many people involved in physical transactions warn that copper prices are outperforming reality. Demand remains relatively tepid, especially in China, the largest buyer, where inventory levels remain high and suppliers of copper wire and rod have been cutting production.

Since the beginning of this year, copper prices have risen by more than a quarter, leading the overall increase in major industrial metals. Like copper, gold prices also rose to record levels. Both metals are supported by optimism that the Federal Reserve will start cutting interest rates this year. (Compiled by Qiu Fang)

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Abidjan, March 15th: Cote d’Ivoire’s network communication services began to gradually resume on the 15th after 24 hours of widespread interruption across the country due to the rupture of submarine optical cables.

A major network operator in Cote d’Ivoire said the problem that caused the interconnection outage has been partially resolved and the resolution is continuing.

Four submarine optical cables serving West Africa suddenly broke on the 14th, causing the interruption of fixed and mobile network services provided by many telecom operators and Internet service providers in Cote d’Ivoire. It is reported that this incident affected more than ten African countries including Cote d’Ivoire, Liberia, Benin, Ghana, and Burkina Faso.

Cote d’Ivoire’s Minister of Digital Transformation and Digitalization Konat said in a statement on the 15th that the interruption of the national network in Cote d’Ivoire is an unprecedented special event, and the government is taking measures to restore network connectivity within the next 48 hours to minimize the impact on the economy and people’s daily lives.

According to officials from the Ministry of Digital Transformation and Digitalization of Cote d’Ivoire, the two major network operators in Cote d’Ivoire have switched to a cable that is still operating normally to gradually restore network communication services. (Reporter Zhang Jian)

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According to Agence France-Presse reported in Brussels on March 21, European leaders meeting in Brussels on the 21st decided to move forward and adopt a plan to use the proceeds of Russian frozen assets in the EU to arm Ukraine.

The EU’s High Representative for Foreign Affairs and Security Policy, Josep Borrelli, pointed out that the interest on these assets is between 2.5 billion and 3 billion euros per year.

Reported that European Council President Charles Michel said at a press conference held on the evening of the 21st: We are determined to take quick action so that part of this money can be used to support Ukraine.

Ukraine President Zelensky told leaders of the 27 European Union via video link that it is crucial for the EU to provide more ammunition to the Ukraine army.

He urged: Please strengthen the (Ukraine) defense industry as soon as possible and do not waste time.

According to a report by the Russian news agency Moscow on March 21, Russian Presidential Press Secretary Peskov said that Russia will use all judicial mechanisms and choose other means to retaliate against the EU to prevent the EU from using frozen Russian assets to aid Ukraine.

Peskov said in response to reporters: Of course, we will make use of all possible legal mechanisms, those that are currently available and that we will use when they arise in the future. Of course, on the basis of mutual visits, we will not copy it completely, but choose other means to retaliate to the extent that is in line with our interests. (Compiled by Zhao Kexin and Li Ran)

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Seoul, March 18 (Reporters Lu Rui and Sun Yiran) The so-called Third Democracy Summit led by the United States was held in Seoul, South Korea from the 18th to the 20th. South Korean citizen groups held a rally in central Seoul on the 18th to protest the so-called democracy summit.

According to local media reports, South Korean citizens ‘group National Popular Action held a press conference near the venue of the Democracy Summit on the same day to express their protest. People held banners that opposed the democracy summit held to maintain U.S. hegemony, and shouted slogans such as the democracy summit spreading false democracy and condemning Yin Yue’s government for blindly following the U.S. -centered value alliance.

Some rally participants said that the United States decided to hold the democracy summit in South Korea. Its intention was very obvious, to maintain its hegemony that was gradually collapsing and push South Korea to the front line of camp confrontation.

South Korea’s “Jingxiang Shimbun” published a commentary on the 17th, saying that the so-called democracy summit with the logic of camp confrontation does not have much support around the world, but South Korea has taken the lead in promoting the new Cold War values of the United States. Whether such an approach will help South Korea’s national interests is questionable.

Under the banner of democracy, the United States held the so-called democracy summit via video in December 2021 and a combination of online and offline in March 2023, which have been widely questioned by the international community.

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According to a Reuters report quoted by KCNA on March 20, North Korean leader Kim Jong Un directed the ground ignition test of a new medium-and long-range hypersonic missile with a multistage solid fuel engine as part of North Korea’s plan to develop its national defense capabilities.

KCNA said the test was carried out on the morning and afternoon of the 19th at the Sohai Satellite Launch Site near the west coast of North Korea.

The report said that the test was a great success, and the timetable for the development and completion of the new medium-and long-range hypersonic missile weapon system was determined.

The report mentioned that in January this year, North Korea conducted a flight test of a medium-range hypersonic missile. At that time, North Korea announced that it had used a new solid fuel engine and also conducted operational tests of a mobile warhead.

KCNA did not disclose details about the engine tested on the 19th, nor did it explain the type of technology tested.

The report pointed out that North Korea is developing an intercontinental ballistic missile capable of striking the United States. (Compiled by Hu Xue)

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According to a report by the German News TV channel on March 14, a latest report released by the American Institute for War Studies stated that due to lack of ammunition and supplies, the Ukrainian defense line may be more fragile than the impression given by the relatively slow advancement of the Russian army in various places.

The report said that in order to curb the continued advancement of the Russian army, Ukraine currently has to use the small amount of existing materials as efficiently as possible. The Institute for War Studies wrote: The Ukrainian army concentrated its supplies in the areas of the line where the Russian army encountered the most fierce attack, which would lead to poor defense in other areas, allowing the Russian army to launch surprise attacks there and achieve breakthroughs.

The American think tank also quoted a report in the magazine Der Spiegel. A Ukraine officer said in a report that in secondary battlefields such as Kharkiv or Vukhredar, which are currently receiving little attention, the situation of troops, weapons and ammunition is very bad. An artillery commander said: We can’t hold on like this for long. The analysis report wrote that the reason why some Ukrainian troops were able to hold their positions with limited ammunition and supplies was only because the Russian army did not attack with all its strength.

The Institute for War Studies warned that the Russian army did not attack areas where Ukraine was extremely poorly guarded, concealing the risks there. In other words, as long as the Russian army launches large-scale attacks in these areas, it will expose the current situation that the Ukrainian army is unable to resist due to lack of ammunition. Ukraine’s Armed Forces Commander-in-Chief Sersky warned on a social platform telegram that Russian troops may break into the depths of the Ukrainian defense line.

The Institute for War Studies said the words of Sersky and other Ukrainian commanders suggested that if the Russian army stepped up its offensive, it could break through and shake previously stable areas in a short period of time.

The report concluded that the current defense line is likely to be unstable. It is crucial for the West to transfer resources to the Ukrainian army as soon as possible to prevent Russian troops from waiting for opportunities to break through weak defensive areas on the front line. (Compiled by Wang Ting

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Washington, July 14. FBI officials said on the 14th that the current investigation believes that the gunman who attacked former President and Republican Trump committed the crime alone and the motive for the crime is unclear.

Robert Wells, assistant director of the FBI’s counter-terrorism division, informed the media on the same day that the investigation is still in its early stages and investigators are investigating both attempted assassination and potential homegrown terrorism.

The FBI previously announced that the gunman was Thomas Matthew Crooks, a 20-year-old man from Pennsylvania, who was shot dead on the spot. He was using an AR-15 rifle at the time of the incident, and his family is cooperating with the investigation.

Current U.S. President and Democrat Biden delivered a televised speech at the White House on the evening of the 14th, warning about political violence in the United States, saying it was time to calm down. Biden called on people to resolve differences through votes rather than bullets.

Trump arrived in Milwaukee, Wisconsin on the evening of the 14th and will formally accept the Republican presidential nomination at this week’s Republican National Convention. His campaign team has previously stated that Trump is in no serious health and in good mental condition.

Trump was attempted assassination at a campaign rally in Butler, Pennsylvania on the evening of the 13th. His right ear was injured and he was escorted away from the scene. According to the U.S. Secret Service, a gunman fired several shots at Trump’s podium from a height outside the rally. The gunman was killed by Secret Service personnel. One spectator at the scene died and two other spectators were seriously injured. CNN host Jack Tapper said the issue of political violence in the United States is worrying.

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CCTV reporters learned that on July 15, local time, former U.S. President Trump announced at the Republican National Convention in Milwaukee, Wisconsin that Ohio Senator James David Vance (JDV) would serve as his vice presidential candidate. Participate in the 2024 presidential election.

James David Vance was born on August 2, 1984 in Middletown, Ohio. He served in the U.S. Marine Corps, is a writer and venture capitalist, and was elected to the Republican U.S. Senate in 2022. (CCTV reporter Liu Xiaoqian)

Related reports:

The US Republican Party officially nominated Trump as its presidential candidate

On July 15, local time, at the Republican National Convention of the United States in Milwaukee, Wisconsin, a Republican representative announced that Trump would participate in this year’s U.S. presidential election as the Republican presidential candidate.

Subsequently, at the Republican National Convention, former U.S. President Trump received enough Republican delegate votes and was officially nominated as the party’s presidential candidate in the 2024 general election. (General reporter Liu Xiaoqian)

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Cairo, March 19 (Reporter Wang Shang) News from Sana’a: Yemen’s Houthi spokesman Yahya Sareya issued a statement on the 19th saying that the Houthi armed forces fired multiple missiles at an American ship, the Maduo, sailing in the Red Sea.

Sarea did not disclose the specific time of the attack. Sarea also said that the Houthi armed forces used missiles to attack the Israeli Red Sea city of Eilat and hit the target accurately.

Relevant shipping information shows that the Maduo is a liquefied natural gas vessel flying the flag of the Marshall Islands and operated by a Greek company. Until February this year, the ship had been operated by ExxonMobil Oil of the United States.

The British Maritime Trade Action Office had previously reported that the Maduo was attacked twice by missiles in the Red Sea on the 15th and in the Gulf of Aden on the 17th. No casualties or hull damage were caused.

According to the Israel Defense Forces on the 17th, a suspicious aircraft entered Israeli airspace from the Red Sea that night and fell into an open space in northern Eilat, causing no casualties or property damage.

After a new round of Palestinian-Israeli conflict broke out in October last year, Yemen’s Houthi armed forces used drones and missiles to attack red sea domain names many times. Since January 12 this year, the United States and Britain have launched air strikes on Houthi targets many times, causing casualties. Some countries have condemned the actions by the United States and Britain as a violation of Yemen’s sovereignty and will aggravate regional tensions.

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　　1. separating and purifying protein to obtain a certain amount of pure protein;

　　2. Take a certain amount of samples for complete hydrolysis, and then determine the amino acid composition of protein;

　　3. Analyze the N- terminal and C- terminal amino acids of protein;

　　4. Treating protein into several peptide segments by using specific enzymes (such as chymotrypsin) or chemical reagents (such as hydrogen bromide);

　　5. separating and purifying a single peptide segment;

　　The amino acid sequence of each peptide was determined. Edman degradation method is generally used, and phenyl isothiocyanate is used to react, and amino acids are degraded and determined one by one.

　　7. Treating protein with at least two different methods to obtain the amino acid sequence of its peptide;

　　8. Compare the amino acid sequences of two different peptide groups to obtain the complete amino acid sequence of protein molecule.