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Gov. Gavin Newsom gives update on reopening California amid COVID-19 pandemic -- WATCH LIVE
⏲ 45:1 👁 10K
Coronavirus : les organismes de formation ont multiplié les cours à distance pendant le confinement
⏲ 2 minutes 36 seconds 👁 722
L'enquête OF-Covid menée auprès des organismes de formation et CFA en 2020
⏲ 13 minutes 26 seconds 👁 21
Hubble View Of Runaway Black Hole Leaves Massive Streak Of Stars In Its Wake
⏲ 1:57 👁 10K
Covid-19 et Edtech France : Continuité d'action pour l'Emploi Formation
⏲ 7 minutes 10 seconds 👁 241
COVID-19 : ACTU du 16.03.20 chez Romandie Formation
⏲ 24 seconds 👁 9
Kate Garraway revealed Derek Draper struggled to show her love during his lengthy COVID-19 battle
⏲ 1:31 👁 10K
Don_t Buy AdBlue Until You_ve Watched This
⏲ 4:41 👁 10K
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⏲ 1:48 👁 5K
Kate Garraway revealed Derek Draper struggled to show her love during his lengthy COVID-19 battle
⏲ 1:31 👁 5K
How to Start Traveling Again After COVID-19
⏲ 21:20 👁 5K
Oprah Winfrey Urges Global Unity in Fight Against COVID-19 | One World: Together At Home
⏲ 1:49 👁 5K
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_gov-gavin-newsom-gives-update-on-reopening-california-amid-covid-19-pandemic-watch-live.webp "California re open")
_coronavirus-les-organismes-de-formation-ont-multipli-les-cours-distance-pendant-le-confinement.webp "France 3 Occitanie")
_l39enqute-of-covid-mene-auprs-des-organismes-de-formation-et-cfa-en-2020.webp "C2RP-Carif-Oref Hauts-de-France")
_hubble-view-of-runaway-black-hole-leaves-massive-streak-of-stars-in-its-wake.webp "The Hubble Space Telescope has imaged a \")
_covid-19-et-edtech-france-continuit-d39action-pour-l39emploi-formation.webp "Défi métiers Idf")
_covid-19-actu-du-16-03-20-chez-romandie-formation.webp "Romandie - Formation")
_kate-garraway-revealed-derek-draper-struggled-to-show-her-love-during-his-lengthy-covid-19-battle.webp "Kate Garraway has admitted her late husband Derek Draper struggled to show her love during his fierce Covid battle.")
_don-t-buy-adblue-until-you-ve-watched-this.webp "Welcome to my mechanical youtube channel Aziz please leave a like and subscribe<br/>AdBlue is a liquid solution used in diesel vehicles equipped with Selective Catalytic Reduction (SCR) technology to reduce exhaust emissions, particularly nitrogen oxides (NOx). It is made of demineralized water and high purity urea. AdBlue is injected into the vehicle's exhaust system, where it reacts with exhaust gases to convert NOx into nitrogen and water, reducing harmful emissions.<br/><br/>If you have any further questions about AdBlue or any other vehicle-related topic, please don't hesitate to ask.<br/><br/>The role of AdBlue is crucial in the process of reducing polluting emissions from diesel vehicles, in particular nitrogen oxides (NOx). Here's how it works:<br/><br/>1. Reduction of NOx emissions: AdBlue is introduced into the vehicle's exhaust system, where it is vaporized into the exhaust gases. When these gases pass through the SCR (Selective Catalytic Reduction) catalyst, the urea in the AdBlue reacts with the NOx present in the exhaust gas to form nitrogen (N2) and water (H2O) , both of which are harmless.<br/><br/>2. Environmental Compliance: By effectively reducing NOx emissions, the use of AdBlue helps diesel vehicles meet strict environmental emissions standards, such as Euro 6 standards in the European Union. This helps reduce the environmental impact of diesel vehicles and improve air quality.<br/><br/>3. Engine Performance Optimization: Although AdBlue itself is not an engine performance additive, the SCR system can help optimize diesel engine performance by reducing harmful emissions while maintaining high fuel efficiency .<br/><br/>In summary, AdBlue plays a vital role in reducing pollutant emissions from diesel vehicles, thereby contributing to better air quality and compliance with environmental regulations.<br/><br/>NOx emissions, or nitrogen oxides, are chemical compounds formed primarily by high-temperature combustion in combustion engines, such as diesel and gasoline engines. These emissions have harmful effects on human health and the environment. NOx are precursors of air pollution, contributing to the formation of smog, acid rain and fine particulate matter, as well as respiratory and cardiovascular problems in humans.<br/><br/>To reduce NOx emissions, several methods can be used, including:<br/><br/>1. Selective Catalytic Reduction (SCR): It is a technique widely used in diesel vehicles and industrial pollution control systems. It consists of injecting a reducing agent, such as urea (used in AdBlue), into the exhaust gas flow. In the presence of a catalyst, NOx reacts with the reducing agent to produce nitrogen and water, thereby reducing NOx emissions.<br/><br/>2. Exhaust Gas Recirculation (EGR): This method involves recycling a portion of the exhaust gases into the engine's combustion chamber. This reduces the temperature and oxygen concentration in the combustion chamber, resulting in reduced NOx emissions.<br/><br/>3. Oxidation catalysts: These devices convert NOx into other harmless compounds, such as nitrogen and")
_92.webp "Discover how political leadership impacts public health strategies in combating COVID-19 in this groundbreaking research conducted by scholars at Binghamton University. Learn how Democratic-led states have shown more effective management in controlling the spread of the virus compared to Republican-led states, with a 7-8% lower transmission rate. Gain insights into the correlation between policy-making approaches and COVID-19 outcomes, and how stringent public health measures can significantly slow down the virus's spread. This study not only sheds light on the intricate interplay between politics and public health but also emphasizes the importance of unified and effective policy responses in future health crises. Stay informed and watch the full video to understand the implications of political leadership on public health strategies.")
_kate-garraway-revealed-derek-draper-struggled-to-show-her-love-during-his-lengthy-covid-19-battle.webp "Kate Garraway has admitted her late husband Derek Draper struggled to show her love during his fierce Covid battle.")
_how-to-start-traveling-again-after-covid-19.webp "Travel after Covid-19 guide")
_oprah-winfrey-urges-global-unity-in-fight-against-covid-19-124-one-world-together-at-home.webp "Oprah Winfrey Urges Global Unity in Fight Against COVID-19 | One World: Together At Home <br/>")
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