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克拉玛依瘦要检查什么
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发布时间: 2025-05-24 11:18:05北京青年报社官方账号
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  克拉玛依瘦要检查什么   

AP-NORC poll: About a quarter of U.S. adults aren’t sure if they want to get COVID-19 shots. Roughly another quarter say they won’t, and for most, their minds are made up. MORE: https://t.co/aXTvrdpCp1 pic.twitter.com/VInDaD8zmV— The Associated Press (@AP) December 9, 2020 287

  克拉玛依瘦要检查什么   

ARIZONA — First responders put their lives on the line at school shootings — and see the sad aftermath of what a gunman can do.But now, first responders are offering school districts a simple device to help students survive when a shooter attacks.It's a sad sign of the times but it is something we have to think about all the time now: the idea of an armed intruder going into a school, or some other place and doing as much killing as they possibly can. Now, locally there's a very simple idea to help make the schools safer.A fire hose is a strong, simple life saving tool. After years of high pressure use it’s retired. But now old hose has a new way to save lives. A small slice of that tough tubing can prevent a shooter from getting into a classroom.Grant Reed of Rural Metro Fire Department showed how to apply the piece of fire hose to a typical door closer, common in many schools."We're gonna slide it right over here, right over this hydraulic arm. The goal is to keep this where it cannot open anymore so it's pretty simple to go on. Just attach it. Once it's slid over the arms makes it a lot more difficult for this door to open." Rural Metro says the sleeves were first used in Kansas. Many schools are beginning to use them.Rural Metro is sharing these security sleeves with the Tanque Verde School District and other districts Rural Metro serves. The Pima County Sheriff's Department was happy to see schools have another way to buy time while deputies rush to take down a shooter. School Resource Deputy Scott McLeod says the sleeves are something a teacher can put on fast, then take other steps to make the room a tougher target."I tell the teachers enlist the help of your students if you are in a true lockdown scenario, enlist your students, have them help you out, barricade the door and also use the sleeve." Tanque Verde Superintendent Scott Hagerman works to balance education with emergency training.“Just enough knowledge that they feel safe and comfortable but not such a focus that all we are thinking about is the day to day, how do we keep ourselves safe, that we can just know what we need to know but then let's get back to school." 2181

  克拉玛依瘦要检查什么   

As disinfecting wipes and sprays fly off store shelves, companies are looking for new ways to keep surfaces coronavirus-free. Some are looking at repurposing UV light technology, a cleaning solution that’s been used for decades.Ava Robotics and the Massachusetts Institute of Technology partnered on a project to create a robot that uses UV-C light to disinfect large areas.“It was about a 4,000 square foot space. It was able to disinfect that in less than 30 minutes,” said Youssef Saleh with Ava Robotics.The purpose -- cleaning large, busy spaces of virus and bacteria, specifically coronavirus.“UV is not new. Robots are not new themselves,” Saleh said.“It's actually been in practice in hospitals for probably four decades plus,” said Dr. Eric Hill, the Chair of Emergency Services at Medical Center of Aurora. It’s usually used to sterilize rooms.“Anything that the light hits, it can kill. So it has to be in direct contact with the light beam and it has to be in contact for a certain period of time,” Hill said.“There are three factors of effectiveness of UV light, the first is the power itself,” Saleh explained. “Then there's the distance to the object that you're trying to disinfect, and then there is the amount of time.”"We cannot see it, it's the same kind of UV radiation you’d get from the sun,” Hill said. “It works by destroying the DNA and the RNA of the organism. And it doesn't affect just viruses, it affects bacteria, viruses, mold, and spores.”While it can kill germs, it can also do damage to us. UV light plays a role in diseases like skin cancer. “It is dangerous for humans to be in direct contact with it,” Dr. Hill said.That’s why the project with Ava Robotics and MIT also factors in safety for humans.“Safety elements have to be part of the solution, thought through, and understood,” Saleh said. The team is working on making the robot more adaptable to changing spaces, like warehouses, and potentially other large spaces like grocery stores and schoolsBut Hill says UV light isn’t a complete replacement for traditional cleaning methods.“It does not take the place of things like wiping something down,” he said. “But after you do that...adding in a UV light system can really hit in a broad area...and get all the microorganisms that were in there.”Hill also warns consumers that are interested in this to look at products closely.“Several hundred dollars is realistic for a good UV light system,” he explained. “We have seen much more of a demand of it, if you go on Amazon the amount of UV light products I’ve seen pushed out is incredible.” 2591

  

An updated #GOESEast look at the Saharan dust plume moving over the Caribbean on Sunday. pic.twitter.com/NpHScxF3Av— NWS Eastern Region (@NWSEastern) June 21, 2020 171

  

As America comes to grips with the nation’s handling of race relations, the Cleveland Indians and Washington Redskins have both said that now is the time to reevaluate their respective team monikers.But the Chicago Blackhawks said they will not follow suit.The National Congress of American Indians have long criticized the name. Activists say these team nicknames play up harmful racial stereotypes."The professional sports industry, specifically the National Football League (NFL), Major League Baseball (MLB), and the National Hockey League (NHL) and the leagues’ team owners have failed to address the racist origins of deplorable race based marketing strategies of the past," the report read. "Often citing a long held myth by non-Native people that 'Indian' mascots 'honor Native people,' American sports businesses such as the NFL’s Washington 'Redsk*ns' and Kansas City 'Chiefs,' MLB’s Cleveland 'Indians' and Atlanta 'Braves,' and the NHL’s Chicago Black Hawks, continue to profit from harmful stereotypes originated during a time when white superiority and segregation were common place."Each of these professional sports businesses attempt to establish a story of honoring Native peoples through the names or mascots; however, each one—be it through logos or traditions (e.g., fight songs, mascots, human impersonators, and fan culture)—diminishes the place, status, and humanity of contemporary Native citizens. What is true about many of the brand origin stories is that team owners during the birth of these brands hoped to gain financially from mocking Native identity. As a result, these businesses perpetuated racial and political inequity. Those who have kept their logos and brands, continue to do so."The Blackhawks say their team name is different as it honors a specific Native American. Black Hawk was a leader of the Sauk Native American Tribe in the early 19th century. Black Hawk served as an ally to the British during the War of 1812 in hopes of pushing the US from Sauk land."The Chicago Blackhawks' name and logo symbolizes an important and historic person, Black Hawk of Illinois' Sac & Fox Nation, whose leadership and life has inspired generations of Native Americans, veterans and the public," the team said in a statement."We celebrate Black Hawk's legacy by offering ongoing reverent examples of Native American culture, traditions and contributions, providing a platform for genuine dialogue with local and national Native American groups. As the team's popularity grew over the past decade, so did that platform and our work with these important organizations."The team said it would “raise awareness” of Black Hawk and Native American people. 2693

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