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by: James Felton

People in the United Kingdom are being urged to place bowls of salt in their windows this winter, in an attempt to prevent damp conditions and mold. But is that really good advice?

When water vapor in your home or vehicle hits a cold surface, such as your windows, it changes back into a liquid state, creating condensation.

“Condensation is not a matter of one particular temperature but of a difference between two temperatures: the air temperature and the dewpoint temperature,” the National Oceanic and Atmospheric Administration (NOAA) explains. “The dew point is the temperature at which dew can form – it is the point at which air becomes saturated and can not hold any more water vapor. Any additional cooling causes water vapor to condense.”

You can do all sorts to deal with condensation, which can lead to problems like damp and mold, and can damage your window frames. In a car, you can blast the windows with air to prevent condensation, replace the air with less humid air from outside, and use the air conditioning.

“The most efficient way to remove moisture from the air is to use the vehicle’s air conditioning system,” Toyota explains. “This system draws air from the cabin through an evaporator, which causes moisture in the air to condensate in a controlled way and drain out of the vehicle.”

In your home, condensation buildup can be a little trickier to deal with, but the principles are the same.

One way that has been suggested to deal with condensation is to place a bowl of salt near your window during the colder months.

“Salt has the ability to naturally absorb moisture from the air and essentially dries it out so that when it does come in contact with the glass, there are less droplets of condensation that will form,” Andy Ellis, home and garden expert at Posh.co.uk said in a statement seen by the Mirror.

“It’s a really easy trick that requires no effort at all. Simply fill a shallow bowl or a small jar with some salt – this can be table salt or rock salt. The amount you use will vary depending on the size of the window you’re placing it next to. Of course, generally speaking, the larger the window the more salt you’ll need, though usually one small bowl should be fine.”

So should you start doing this? It is true that salt can remove moisture from the air.

“A particular example of hygroscopic behavior is deliquescence which is exhibited by many water-soluble solids, including inorganic salts (e.g., calcium chloride),” chemical engineer John Francis Richardson explained on Thermopedia.

“At a given temperature, the vapor pressure of a saturated salt solution will be lower than that of pure water and, if it is less than the partial pressure in the atmosphere, moisture will be transferred to the surface of the solids, part of which will dissolve to form a saturated solution. When all the solids have dissolved, the process will continue until the partial pressure of the now unsaturated solution equals that in the atmosphere. In some cases, the formation of a hydrate or higher hydrate of the salt may precede the formation of a liquid phase. Liquids (e.g., sulfuric acid) may also be deliquescent.”

However, it is unclear that this will have much of an effect, especially compared to other methods of preventing condensation build up. This is because salt only begins to absorb water vapor at relatively high humidity.

“At up to 74 percent relative humidity and 20°C [68°F], salt does not absorb any appreciable quantities of water vapor,” the German Transport Information Service explains. “The critical water content of sodium chloride (NaCl) is 0.5 percent at 74 percent relative humidity, which is the flow moisture point at which salt begins readily to absorb water vapor, and increases such that, at 75 percent relative humidity, the salt dissolves.”

Houses in the UK are generally less humid than this, tending to be between 30 and 60 percent humidity, though especially humid houses can go above 70 percent. Different areas of the house can have different humidity levels (think bathrooms or kitchens) so salt may help a little with the situation.

However, to really deal with the problem, like in your vehicle, ventilation is key. In houses, you can use vents often built into windows, or simply open them a crack to deal with the moisture. As well as letting the more humid air out, airflow helps to prevent water vapor from building up on the cold surface, preventing you from needing to put out little bowls of salt by the windows every morning, like some offering to the god of high blood pressure.

All “explainer” articles are confirmed by fact checkers to be correct at time of publishing. Text, images, and links may be edited, removed, or added to at a later date to keep information current.  

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Today, the U.S. Army Reserve is home to over 60 percent of the total force’s critical care nurses, orthopedic surgeons, emergency physicians and obstetricians. The Army Reserve provides the active Army with 306 medical units.

Many Army Reserve medical Soldiers have skill sets that are honed by their respective civilian jobs, from specialized physicians to surgeons, offering every capability needed in order to deploy and complete medical missions. The Army Reserve also works with top medical facilities in the country to remain on the cutting edge of research and education and provide unmatched capabilities and responsiveness.

The Army Reserve assists the active Army and the community in times of need. Army Reserve medical units support stateside missions, which provide real world opportunities for Soldiers to administer medical, dental and optometry care in underserved American communities.

Maj. Gen. Joe D. Robinson, Commanding General, 3rd Medical Command (Deployment Support), discusses the role of the Army Reserve medical capabilities in recent history at home and outside of the Continental United States.

Interview is courtesy: U.S. Army Reserve

https://www.usar.army.mil/

#us #army #reserve #medicine # joe #robinson #medical #nation #support #salt #lake #utah #atlanta #critical #care #nurses #surgeons #soldiers #major #general

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為什麼 中國 大陸 過去 幾天 大大 減少 了 感染 人數
China has significantly reduced the number of infections in the past few days.

除了 戴 口罩 勤 洗手 外 ，
Besides wearing masks and washing hands

他們 只是 簡單 地 每天 漱口 3 次 鹽水
They also gargle salt water 3 times a day

完成 後 ， 喝水 5 分鐘。
After that, drink warm water for 5 minutes

因為 該 病毒 只能 在 喉嚨 中 侵襲 ，
Because the virus initially only attacks the throat

然後 再 侵襲 肺部
Then attack the lungs

當 受到 鹽水 侵襲 時.
When hit by salt water

該 病毒 會 死亡 或 胃中 胃中 下來 並 在 胃中 銷毀,
The virus will die or descend and disintegrate in the stomach

這 是 預防 冠狀 病毒 流行 的 唯一 方法 ，
This is one way to prevent Covid19 .

市場 上 沒有 藥品
There is no medicine on the market
所以 不要 購買。
No need to buy

童 綜合 王叔 昂 醫師 醫師 ：
The General Hospital stated

新 冠 肺炎 在 還 沒有 來到 肺部 之前,
cough, Before the corona / virus reaches the lungs

它 會 在 喉嚨 部位 存活 4 天
The virus lives in the throat for 4 days

在 這個 時候 ， 人們 會 開始 咳嗽 及 喉痛。
At this time, the infected start to cough & sore throat.

如果 他 能 儘量 喝多 溫 開水 及 或,
If you can drink as much warm water as possible

就能 消滅 病菌。
Can eliminate viruses

儘快 把 此 訊息 轉達 一下 ，
Hurry and spread this message.

因爲 你 會 救 他人 一 命！
Because you will save someone’s life

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International Peace Day Celebration by BeTerrific on Livestream – Livestream.com

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SALT IS A GLOBAL THOUGHT LEADERSHIP FORUM DEVOTED TO UNLOCKING GROWTH OPPORTUNITIES IN THE FIELDS OF FINANCE, ECONOMICS, ENTREPRENEURSHIP, PUBLIC POLICY, TECHNOLOGY AND PHILANTHROPY.

https://www.salt.org/about-salt

SALT Returns to Bellagio FOR 10th ANNIVERSARY conference May 7-10, 2019

https://www.salt.org/about-salt

Founded in 2009, our flagship annual event, SALT Conference | Las Vegas, brings together around 2,000 of the world’s foremost investors, policy experts, politicians and business leaders for four days of networking, entertainment and idea sharing.

Previous SALT Conference speakers include Vice President Joe Biden, President George W. Bush, President Bill Clinton, Vice President Al Gore, Dr. Ben Bernanke, Mayor Michael Bloomberg, Speaker John Boehner, Valerie Jarrett, General David H. Petraeus, General Colin L. Powell, Condoleezza Rice, Speaker Paul Ryan, Governor Jeb Bush, Prime Minister David Cameron, Prime Minister Tony Blair, President Nicolas Sarkozy, President Felipe Calderon, Eric Schmidt, Kenneth C. Griffin, T. Boone Pickens, Kenneth G. Langone, David M. Rubenstein, Bill Ackman, Daniel S. Loeb, John Paulson, Jerffrey Gundlach, Sam Zell, Mark Cuban, Sir Richard Branson, Will Smith, Mike Tyson, Al Pacino, Andre Agassi, will.i.am, Kobe Bryant, Michael J. Fox, and Robert Wolf.

SALT IS A GLOBAL THOUGHT LEADERSHIP FORUM DEVOTED TO UNLOCKING GROWTH OPPORTUNITIES IN THE FIELDS OF FINANCE, ECONOMICS, ENTREPRENEURSHIP, PUBLIC POLICY, TECHNOLOGY AND PHILANTHROPY.

https://m.facebook.com/story.php?story_fbid=10161929627855392&id=526380391. Credence John Hagerty

https://m.facebook.com/story.php?story_fbid=10161928819040392&id=526380391. Ambassador Nikki Haley

https://m.facebook.com/story.php?story_fbid=10161927384835392&id=526380391. Dr. Ben Carson

https://m.facebook.com/story.php?story_fbid=10161924692725392&id=526380391. General John F. Kelly

https://m.facebook.com/story.php?story_fbid=10161924583660392&id=526380391. Steve Case and Mark Cuban

https://m.facebook.com/story.php?story_fbid=10161922652220392&id=526380391. Sam Zell

https://m.facebook.com/story.php?story_fbid=10161922032565392&id=526380391 . Bellagio Hotel, Las Vegas

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