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2025-05-24 14:39:10
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  郑州眼睛近视怎么治   

The University of Arizona and Boeing joined forces to find disinfectants that will kill COVID-19 and help make air travel safer. The project known as the Confident Travel Initiative is designed to test out cleaning solutions that can destroy the Coronavirus. Arizona microbiology professor Dr. Charles Gerba, who is known as "Dr. Germ," says he’s been working with Boeing since the summer to test cleaning products as part of the initiative to make flying as safe as possible during the pandemic and beyond.“It's really innovative to try to get a coating that will be antiviral," he said. "I think it’s the next step in hygiene and disinfection adding another barrier between when they clean and regularly disinfect aircraft. We’re looking at coatings. And anytime the virus lands on it would kill it, so you don’t have to keep disinfecting all the time."The team conducted laboratory testing by using a virus called MS2 on surfaces inside of an unoccupied plane. The virus has similar characteristics to the virus that causes COVID-19.“It would protect you from when they disinfect it or clean the aircraft. In case the virus lands again on a surface in the aircraft. We’ve been evaluating the overhead bins, the seats, the trays, the handles,” Gerba said.Cleaning solutions and ultraviolet wands were also used throughout the plane and according to Boeing, the results show that antimicrobial coatings were effective for extended periods of time and won’t be harmful to passengers. While Gerba didn’t share the names of the disinfectants, he did say the products can potentially be used on public transportation and other high traffic areas.“We actually did some of the work in the aircraft going in and contaminating certain areas like the tray in the aircraft the overhead bin and then evaluating the disinfectants to show they could kill the virus," Gerba said. "I see this new technology of self-disinfecting surfaces will revolutionize public places in cleanliness, cars, and buses you name it. These are products already on the market and they are new innovative products where you can put down a coating and it will last for hours, weeks, or maybe even months."The research project is expected to be done with other viruses by the end of the year and airplane cleanings will be done between flights.“It all has a big benefit I think it's going to add that extra barrier to me it’s the next generation of infection control and the spread of disease,” Gerba said.This story was first reported by Shawndrea Thomas at KGUN Tucson, Arizona. 2552

  郑州眼睛近视怎么治   

The recount effort underway in Georgia has uncovered roughly 2,600 ballots that hadn’t originally been included in the tally.State officials say county election officials in Floyd County didn’t upload in-person early votes from a memory card into a ballot scanning machine, according to the Atlanta Journal Constitution newspaper.Floyd County is located in northwest Georgia.In the uncounted votes, there were 1,643 new votes for President Donald Trump and 865 votes for President-elect Joe Biden. County officials say these ballots rectify their discrepancy between the number of people who checked-in to vote and the number of ballots counted in Floyd County.President Trump's campaign issued a statement Tuesday afternoon in response to reports of the previously unaccounted ballots."Recent revelations from Georgia's ongoing statewide recount have shown that President Trump was absolutely correct to raise concerns about widespread voting irregularities that have favored the Biden-Harris ticket," the statement reads. "The State of Georgia must not certify its results until the recount is done accurately and the results are correct."“It’s not an equipment issue. It’s a person not executing their job properly,” said Gabriel Sterling, the state’s voting system manager. “This is the kind of situation that requires a change at the top of their management side."The head of the Republican Party in Floyd County said the issue was concerning, but “doesn’t appear to be a widespread issue,” and he was glad the ballot audit revealed it.Georgia’s audit of the nearly 5 million ballots cast is set to be finalized Friday. 1632

  郑州眼睛近视怎么治   

The University of Tennessee's football season is officially over.On Monday, Tennessee issued a statement saying they would have to withdraw from the Liberty Bowl because of positive COVID-19 tests within their football program.According to the Associated Press, the team agreed on Sunday to play West Virginia before announcing Monday. They had to also pause all team activities after receiving their results of Sunday's COVID tests. The Liberty Bowl is set to take place on Dec. 31 in Memphis.The team said they decided to withdraw after consulting with health officials, the Southeastern Conference, and officials with the Liberty Bowl."The student-athletes and staff affected are taking the appropriate safety measures in accordance with University, CDC, and local health department guidelines," the team said in the news release. "The University of Tennessee extends its sincere appreciation to the AutoZone Liberty Bowl and the city of Memphis and is disappointed it will not be able to fulfill its commitment on New Year's Eve."Third-year head coach Jeremy Pruitt is among those who tested positive.Pruitt said that other than experiencing mild symptoms he is "doing fine.""We are obviously disappointed that we will not be able to play in the AutoZone Liberty Bowl, but the health and safety of our student-athletes will always remain our top priority," Pruitt said in a statement. "I am especially proud of our team and medical staff in safely navigating through a unique season where we played all 10 of our regular-season games."The Volunteers finished the season at 3-7.Officials for the Liberty Bowl did not announce who will replace the Volunteers, the AP reported.The Vols are the first team to withdraw from a bowl game this season since they were announced. 1781

  

The stomach-churning market scare continues.The Dow tumbled 546 points, or 2.1%, on Thursday following another rollercoaster session. The index briefly turned positive during morning trading before succumbing to heavy selling pressure. At one point the Dow was down 699 points. The Dow has shed 1,378 points over the past two days.The mood on Wall Street was only slightly calmer than Wednesday's 832-point nosedive.The S&P 500 closed down 2.1%, notching its sixth-straight losing session. It's the longest slump for the broad index since just prior to President Donald Trump's election more than two years ago.The Nasdaq briefly tumbled into a correction, signaling a 10% decline from previous highs. But the index climbed out of correction territory and closed down 1.3%.All three major indexes have lost more than 5% this week. That hasn't happened since March."This kind of washout doesn't get accomplished in a day. Even though yesterday felt traumatic, it tends to be a three-day process," said Art Hogan, chief market strategist at B. Riley FBR.The VIX volatility index touched its highest level since February.One positive is that unlike on Wednesday, the market did not close on the lows of the day. The rebound was helped by fresh?reports that President Donald Trump and Chinese leader Xi Jinping have agreed to meet next month at the G-20 summit. Such a meeting could ease fears that the US-China trade war will hurt corporate profits and slow the US economy.Tech stocks have come under fire because they are some of the riskiest and most expensive parts of the market. Investors fear how these momentum names will hold up in a downturn, particularly as interest rates spike. A proxy for the tech sector had its sharpest plunge in seven years on Wednesday."Halloween started early this month for investors," Ed Yardeni, president of investment advisory firm Yardeni Research, wrote to clients.The afternoon sell-off comes even though a new report showed that consumer prices rose less than expected in September.Stocks have turned sharply south in large part because investors are concerned about rising interest rates. As the Federal Reserve raises rates to prevent runaway inflation, investors have been getting out of bonds, driving down their price and driving up their yields. Suddenly, the return on bonds has become competitive with some stocks — particularly risky tech stocks.Rising interest rates also increase borrowing costs for households and businesses, eating into corporate profits. 2551

  

The White House has issued a new warning to CNN's Jim Acosta, saying his press pass could be revoked again at the end of the month.In response, CNN is asking the U.S. District Court for another emergency hearing."The White House is continuing to violate the First and 5th Amendments of the Constitution," the network said in a statement Sunday. "These actions threaten all journalists and news organizations. Jim Acosta and CNN will continue to report the news about the White House and the President."Last Friday CNN won a temporary restraining order, forcing the White House to restore Acosta's press access to the White House for 14 days. Judge Timothy J. Kelly ruled on Fifth Amendment grounds, saying Acosta's right to due process had been violated. He did not rule on CNN's argument about First Amendment violations.Later that same day, the White House sent Acosta a formal letter outlining a "preliminary decision" to suspend his pass again once the restraining order expires. The letter cited his conduct at President Trump's November 7 press conference.The letter was signed by two of the defendants in the suit, press secretary Sarah Sanders and deputy chief of staff for communications Bill Shine.The letter signaled that the Trump administration wants to continue fighting Acosta, despite the round one setback in court, rather than seeking an out-of-court settlement.It looked like an effort to establish a paper trail that will empower the administration to boot Acosta again at the end of the month.In a court filing on Monday, CNN's lawyers said the network and Acosta "remain hopeful" that the parties "can resolve this dispute without further court intervention."But the new letter from Shine and Sanders is an "attempt to provide retroactive due process," the lawyers said.So CNN and Acosta are seeking a hearing on a preliminary injunction "for the week of November 26, 2018, or as soon thereafter as possible," according to Monday's filing.Such an injunction could be in effect for much longer, thereby protecting Acosta's access to the White House.Lawyers were already expected to be back in court this week to discuss the timeline for further proceedings. 2186

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