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发布时间: 2025-05-24 16:00:28北京青年报社官方账号
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“Between 9 and 10 a.m. is when you’ll have the heavier outflow, so it’s still a little early,” said Jeff Bilznick, who collects samples of wastewater at the University of Arizona.8:30 a.m. and some students have yet to wake up to start their day.So outflow of wastewater at this dorm is a little low. So Jeff Bilzinck is getting a smaller bottle to scoop a little poop, so to speak. Not that you’d be able to tell by looking at it“Everyone’s disappointed when it’s not all gross,”Bilzinck said.Bilzinck and his coworker Nick are collecting wastewater from across campus, for this man, So he can test it for COVID-19.“Hi, I’m Dr. Pepper.”No, not that Dr. Pepper. Dr. Ian Pepper is a different kind of liquid genius.“I’m the director of the Water and Energy Sustainable Technology Center,” said Pepper.Dr. Pepper and his team have been testing wastewater for the coronavirus since students came back to campus and early in the school year, stopped a potential outbreak. After wastewater from a dorm came back positive, school officials tested the students living there and identified two asymptomatic students.“The trick is by identifying the asymptomatic cases early, we are, if not eliminating, we are reducing exponential spread of the virus,” said Pepper.Wastewater testing is gaining some steam in the scientific community outside of Arizona.“We as individuals, humans, shed these virus in fecal material,” said Kellog Schwab, the director of the Water Institute at Johns Hopkins University.He has been studying wastewater virology for 30 years. He says what they’re doing in Arizona is complicated.“It is not straight forward. There are a lot of interfering substances as you can imagine in a waste stream that you have to then purify the virus from. It’s not just you grab a sample from a particular part of the environment and then instantly be able to detect the virus. You need to process that sample, you need to maintain the integrity of your target of interest, and then you have to have the appropriate detection,” said Schwab.But he and Dr. Pepper agree that this type of testing could be scaled up and implemented at universities and other populated facilities where COVID-19 could potentially spread.“Wastewater epidemiology has the potential to be scalable,” said Schwab.“Perhaps targeting high-risk areas like nursing homes. We’re helping people in Yuma, Arizona, testing our farm workers when they come here in the fall, so there’s a great deal of potential,” said Pepper.“Many research laboratories have the capacity to do this,” said Schwab.That potential to expand this type of testing, and keep people safe, keeps Pepper going.“We are keeping the university open, which is really important. And, you know, dare I say, actually, probably saving lives,” said Pepper.Saving lives and closing the lid on the coronavirus. 2846

  南阳工业吸尘器   

(KGTV) - Does a video really show evidence of the hidden planet Nibiru?No.The image in question is just a reflection of the sun inside the camera.There is no such planet, despite what some conspiracy theorists say. 227

  南阳工业吸尘器   

(KGTV) - The National Football League said Tuesday it does not support a GOP-backed tax bill that could force teams to put up more of their own funds for any stadium construction, according to Reuters.The bill, introduced in the U.S. House of Representatives last week, would prevent local governments from funding the building or renovating of professional sports stadiums with tax-exempt, public-purpose bonds - commonly used to fund projects related to schools, libraries, and public transit.RELATED: GOP leaders unveil key details in new tax planAccording to NFL spokesman Joe Lockhart, the league believes the economic development from stadiums should make those projects eligible for tax breaks. 729

  

(KGTV) - Was a widely seen photo of a mother and her children running from tear gas at the border a fake?No!Despite the claims of some disreputable websites, the Reuters picture shows a real moment during the Nov. 25 clash at the border. 245

  

...I literally gave two fucks so the kids could see it:1. In Yorktown, there's a mute over "I get the f___ back up again"2. "Southern *record scratch*kin' Democratic Republicans."You can sing whatEVER you like at home (even sync up the album)!Love you. Enjoy.— Lin-Manuel Miranda (@Lin_Manuel) June 22, 2020 315

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