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  徐州四维彩超是上午做好还是下午做好   

EL CAJON, Calif., (KGTV)-- San Diego Gas and Electric (SDGE) unveiled their new line of firefighting tools Wednesday afternoon, including a helicopter and a new tactical command vehicle. A little spark can transform into a violent rage. That is the fear and reality of a wildfire. "Californians were devastated and had the most destructive and deadliest wildfire season last year," SDGE Chief Operating Officer, Caroline Winn said. In 2018, there were 8,000 fires in the state that scorched more than one million acres. While no one can predict mother nature, SDGE says they are more prepared than ever. Meet Bruce Pulgencio's newest ride, the UH-60 Blackhawk. The aircraft is SDGE's newest member of their fire fighting arsenal. It can reach up to 140 mph, carry 860 gallons of water, and fills up in only 45 seconds. "It will dip the bucket into the water and pull out then we will go to the fire and be able to release the water to the fire," pilot Bruce Pulgencio said. "We just keep rotating to dip site to drop site."The copter and the pilot share a similar story. The aircraft came from the Army Surplus. Pulgencio just retired from the Army National Guard. After their military careers, the two joined together to fight fires from the sky."it's like driving a smaller sports car and then driving a semi-truck," Pulgencio said. The semi-truck he is referring to is SDGE's premiere firefighting helicopter, the Erickson Aircrane. Its 2,650-gallon tank has been assisting San Diego fire agencies for a decade."It can get into smaller places," Pulgencio said about the new Blackhawk. "We all have our specialties, where they have their snorkels, and we have our bucket. It's just a different way to approach the water and to fight the fire."Since its debut in June, the Blackhawk has already proven its value. It flew over last week's Caliente fire in Otay Mesa. Surrounded by terrain that ground crews had a difficult time accessing, the brand new UH-60 Blackhawk dropped thousands of gallons of water atop the pallet yard. Also joining the team this season is the new SDGE Tactical command vehicle. The mobile electrical hub is a place where scientists can gather and send the latest weather mapping information to ground crews on the fire line."It allows our teams to deploy quickly, and we can establish full internet and satellite phone capabilities in any location," Winn said. On the ground and in the air, the community can rest assured that their firefighting arsenal is stronger than ever. "It's another tool in our toolbox to support the firefighters," CAL FIRE San Diego Deputy Chief Nick Schuler said. 2661

  徐州四维彩超是上午做好还是下午做好   

Each winter, many people wonder whether its worth getting a flu shot while health officials repeatedly warn against not getting one.Now a new study sheds light on the benefit of doing so. Even when the flu shot is just 20% effective it can still reduce US doctor visits due to illness by an estimated 20 million in a single year, the new report published in the scientific journal PNAS (Proceedings of the National Academy of Sciences of the United States) finds.In addition, vaccination also can prevent thousands of hospitalizations and deaths, the study authors estimated based on the average vaccination coverage rate in the United States."Getting vaccinated against influenza is beneficial to the individual and to the community even when the vaccine is of relatively low efficacy," said Burton H. Singer, co-author of the study and an adjunct professor for the Emerging Pathogens Institute at University of Florida in Gainesville.Caused by viruses, flu is a contagious respiratory illness with mild to severe symptoms that can sometimes lead to death. The flu virus evolves rapidly and new viruses circulate in different parts of the world, so each year scientists must reformulate the vaccine. Add to that an imperfect manufacturing process and even a 'good match' formulation may not be as effective as scientists would like.In fact, the Centers for Disease Control and Prevention estimated just 36% effectiveness for the 2017-18 seasonal vaccine as of February 3. (The season ends in May.)For the new study, Singer and his colleagues created a mathematical model of flu transmission and vaccination to evaluate how much illness is prevented by even a very low effectiveness flu vaccine. The research team found that at the average rate of US coverage even a poor vaccine would prevent a significant amount of illnesses, hospitalizations and deaths.For example, at just 43% coverage (the average rate of Americans who received a flu shot for the years 2012 through 2017), a vaccine with just 20% effectiveness could avert more than 20 million infections or illnesses as compared to not getting the vaccine. In addition, 129,000 hospitalizations and 61,000 deaths could be prevented.Based on the model, if more people got a flu shot, say half of the US population, the same 20% effective flu shot would prevent an additional 3.63 million infections, 21,987 hospitalizations and 8,479 deaths."When a vaccine is fully effective on 50% or more of the people who are vaccinated, you need to primarily focus on vaccinating young children," said Singer. The reason? Children are still building immunity and they pass germs around at school."As efficacy of the vaccine decreases, it becomes increasingly important for the elderly to be vaccinated in addition to young children," said Singer, since the elderly are more likely to develop complications from the flu, such as pneumonia, which can be deadly.The CDC reported a total of 160 flu-related deaths in children and 30,064 flu-related hospitalizations overall?between October 1, 2017 and April 21, 2018. The highest rate of hospitalization occurred among adults 65 years old and older.Richard Webby, a flu scientist who is part of the World Health Organization's advisory board and a member of St. Jude Children's Research Hospital's Department of Infectious Diseases, said "effectiveness estimates go up and down based on a number of factors including match of vaccine and circulating strain and probably other factors we don't fully understand.""The take home message from the past few seasons is that there is much room for improvement," said Webby, who was not involved in the research.Still, more people, particularly the elderly, need to get vaccinated even when the vaccine effectiveness is lower than hoped, Webby said: "This study suggests that even with a less than optimal vaccine there is still much public health benefit that can be achieved if these are used properly and widely." 3992

  徐州四维彩超是上午做好还是下午做好   

During an interview on Fox News on Tuesday, President Donald Trump called on Attorney General William Barr to open a corruption investigation into Joe Biden's alleged ties to Ukraine based on information contained in emails reportedly taken from a laptop that may or may not have belonged to Biden's son."We've got to get the Attorney General to act. He's got to act and he's got to act fast. He's got to appoint someone," Trump said Tuesday during an interview on Fox & Friends. "This is major corruption, and this has to be known about before the election."Trump was referring to a report first published in the New York Post last week that was based on emails allegedly recovered from a laptop left at a Delaware computer repair shop. The Post claimed the emails were taken from a laptop belonging to Biden's son, Hunter, and showed that the younger Biden was contacted by the adviser to the board of a Ukrainian energy company, Burisma. In the emails, allegedly, the Ukrainian official thanked Hunter Biden for giving him an opportunity to meet his father.Some Republicans have seized on the story, calling it a "smoking gun." They claim that such a meeting would be a conflict of interest, given Joe Biden's political influence and Hunter Biden's position on Burisma's board.However, the Post's story left several questions about the authenticity of the emails unanswered. The owner of the repair shop, where the laptop was recovered, was unable to identify the computer's owner. The shop owner did say a Beau Biden Foundation sticker was attached to the computer. There's also no evidence that Hunter Biden responded to the email from the Ukranian energy advisor. The Biden campaign says the former Vice President's schedule shows no meetings with that advisor. Finally, the Post said it obtained materials and information for the story from Rudy Giuliani, one of Trump's personal lawyers.Citing sources, The New York Times reported Monday that one of the Post journalists who wrote the story asked that his name not be attached to the article "because he had concerns over the article's credibility."Despite Trump's claim that the emails show Joe Biden has an inclination to use his political office for personal enrichment, Trump and his family have an extensive history of dubious business practices. The New York Times reports that Trump has leveraged the office of the presidency to drive business to his resorts and hotels.Trump's call to action to Barr is just his latest call for the neutral agency to delve into cases that would be politically advantageous to the president. Earlier this month, Trump said he was "disappointed" in Barr for his inaction on voter fraud investigations and his inability to recover emails deleted by Hillary Clinton prior to the 2016 election.Weeks ago, 1,600 former Department of Justice lawyers signed an open letter that claimed Barr was abusing the power of his office to help Trump win reelection. 2959

  

DUNDEE, Michigan — A 39-year-old woman was charged in connection with a fraudulent dog sale scheme.Police said Vanessa Young sold twelve sick puppies to unsuspecting buyers.Most of the dogs were sold for 0. Young told the buyers the dogs were healthy and registered with the American Kennel Club. However, the buyers discovered the claims to be false and the dogs became very ill shortly after the sale – and some even died, said police. Many of the victims spent thousands of dollars in veterinary care while trying to save and treat the puppies.Dundee Police Chief Tim Garbo said Young’s arrest came after a year-long investigation.Young is charged with felony defrauding and false pretenses and could face up to 5 years in prison or a ,000 fine.She was arraigned in First District Court of Monroe on Tuesday and has been released on bond. 860

  

EL CAJON, Calif. (KGTV) - Grossmont College is looking to expand a program that offers free textbooks to students.The Open Educational Resources program, or OER, allows students to download digital versions of textbooks for free. College officials say it can save students more than ,000 each semester. In the 2018-19 school year, Grossmont students have already saved nearly .3 million."We realized students were making decisions like, 'Do I want to buy food today or do I want to purchase my textbook?'" says Professor Dave Dillon, who has championed the program at Grossmont.A study in 2013 showed that students spend around ,500 each year on textbooks. That's more than a semester of tuition at Grossmont, which is ,334.Additional studies showed that anywhere from 50-60% of students have decided not to buy a textbook for a class because it's too expensive.Dillon and five other professors started offering courses with the OER textbooks in 2016. Convincing teachers to switch from their traditional books to the OER versions has been a challenge, but Dillon says more come around every year.By 2018, 46 teachers had begun using the books. In the spring of 2019, about 100 teachers are using OER."Those are openly licensed materials that are free for students to use," explains Dillon. He adds that the texts offer the same quality as the books that cost students hundreds of dollars."For me, it was just too much money to pay," says Grossmont 2nd year student Edwin Hernandez. "A lot of times, I'd skip buying the book and just really pay attention as much as I can in class. It barely got me by, but it's still a bigger struggle."Fellow student Carlos Espinoza says he used the money he saved on textbooks to buy his first car. That helped him avoid spending more than two hours each day on the bus or trolley to get to and from campus."It saves me so much time," he says.While the books are digital, students have the option to purchase a printed version of the books for about each. Dillon says he's seen test scores and class completion rates skyrocket since he switched to the free textbooks.Grossmont offers two full Associate's Degree programs using just OER books, Geography and Sociology.But they don't work for every area of study. Many STEM courses have supplemental books that students still have to buy. So do English and Literature classes, where students need to purchase novels which aren't in the public domain.Meanwhile, publishers have begun to fight back. According to Dillon, some are trying to downplay the quality of the OER books. Others have tried to write their own versions. And some companies are switching to a subscription-based model, similar to Netflix, where students pay a yearly or monthly fee to have access to all of the publisher's library.Dillon says he's in favor of anything that can help more students afford college."It solves an equity issue," he says. 2923

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