I know where Brian Laundrie is hiding

2021.10.20 17:43 wake886 I know where Brian Laundrie is hiding

He may be hiding in the laundrie room at his parents house.
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2021.10.20 17:43 SafeMathematician818 SAFEMOON IS ON THE TOP GAINERS CHART IN BITMART 🚀 LFGGGGGG

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2021.10.20 17:43 postmastern Тяжелые металлы повысили эффективность термоэлектрика

Тяжелые металлы повысили эффективность термоэлектрика Международная команда ученых синтезировала новый термоэлектрический сплав на основе железа, ванадия и сурьмы, модифицированный тяжелыми металлами. Такая модификация позволила более чем в два раза увеличить эффективность преобразования тепла в электричество. Разработка может найти применение как в промышленности, так и в системах умного дома.
Сурьма / ©Getty images
Исследование было опубликовано в журнале Journal of Alloys and Compounds. Термоэлектрики – это материалы, сплавы металлов или различные химические соединения, которые способны напрямую преобразовывать тепловую энергию в электрическую. Термоэлектрические материалы могут использоваться, например, в гибридных системах совместно с солнечными батареями, дополнительно преобразуя образовавшееся от нагрева тепло в электроэнергию. Такую схему можно использовать, например, в системе умного дома.
Эффективность таких материалов напрямую зависит от фактора мощности, электро- и теплопроводности. Чем выше фактор мощности и электропроводность, и ниже теплопроводность, тем лучше, эффективнее материал. Однако добиться оптимального баланса достаточно непросто.
В последнее десятилетие наблюдается заметный рост внимания исследовательского сообщества к так называемым половинным сплавам Гейслера. Они представляют собой тройные соединения, состоящие, как правило, из металлов. Благодаря своим электротранспортным свойствам, термической стабильности, а также широкому ряду комбинаций элементов, которые могут быть использованы при их синтезе, такие сплавы показали себя как одни из наиболее перспективных термоэлектрических материалов.
Рост термоэлектрической эффективности образцов в зависимости от температуры / ©НИТУ “МИСиС”
Одними из наиболее перспективных считаются тройные на основе железа, ванадия и сурьмы. Однако они обладают высокой теплопроводностью, что ограничивает их использование в этом качестве. Ученые из НИТУ «МИСиС», Университета Сохаг, Университета имени Короля Сауда и МГУ имени М. В. Ломоносова предложили метод снижения теплопроводности таких сплавов путем тройного легирования матрицы тяжелыми металлами, такими как гафний, титан и ниобий. В ходе исследования опытные сплавы были синтезированы путем плавления с последующим размолом и спеканием. Термоэлектрические свойства полученных образцов затем образцов были исследованы при температурах от 27 до 527 градусов Цельсия.
Зависимость термоэлектрических свойств от температуры / ©НИТУ “МИСиС”
«Исследование показало, что легирование сплавов Гейслера на основе железа и сурьмы гафнием, титаном и ниобием позволяет значительно снизить решеточную теплопроводность сплава при комнатной температуре, вплоть до 80 процентов. При этом удается также добиться увеличения электропроводности и, что самое главное, фактора мощности. Все это позволило увеличить термоэлектрическую эффективность исследуемых сплавов. Так, эффективность преобразования тепла в электричество увеличилась практически в два раза при комнатной температуре.
При более высоких температурах увеличение еще более значимое по сравнению с нелегированным (чистым) сплавом. В целом можно сказать, что сплавы на основе железа, ванадия и сурьмы, легированные тяжелыми металлами имеют широкие перспективы применения для создания стабильных устройств прямого преобразования тепловой энергии в электрическую», – отметил Андрей Новицкий, инженер научно-образовательного Центра «Энергоэффективность» НИТУ «МИСиС».
Источник: Naked Science
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2021.10.20 17:43 warhell-edge So this guy….

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2021.10.20 17:43 mrbrightsideryu 2002 nukes done!

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2021.10.20 17:43 AutoNewspaperAdmin [National] - First lady Jill Biden joins AOC, de Blasio at NYC public school | NY Post

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2021.10.20 17:43 flipzone Joovy Qool Stroller, Black Melange $299.97 (lowest)

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2021.10.20 17:43 Key_Information_2163 Can you run ombré with an anodized or pearlescent

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2021.10.20 17:43 AutoNewspaperAdmin [Entertainment] - Famed ballet dancer gets 9 years for sexually assaulting students | NY Post

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2021.10.20 17:43 scrubbabby Post bath blep

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2021.10.20 17:43 HomarSamson What's the best place to do flip grate predator takedowns ?

Trying to do all predator takedowns and I can't find a good space to do them. Anywhere on the map or even AR challenges do. Thanks!
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2021.10.20 17:43 Officialnoah NLCS GAME 4 LINEUP

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2021.10.20 17:43 butter_yeet Working on my patch jacket any recommendations for new ones?

Working on my patch jacket any recommendations for new ones? submitted by butter_yeet to teenagers [link] [comments]


2021.10.20 17:43 Italian_Guy48 Backlava lime, anis and orange blossom syrup. Caroub and white chocolate ganache. Pear and cardamom ice cream. Roasted hazelnut and pear+syrup agar agar purée.

Backlava lime, anis and orange blossom syrup. Caroub and white chocolate ganache. Pear and cardamom ice cream. Roasted hazelnut and pear+syrup agar agar purée. submitted by Italian_Guy48 to CulinaryPlating [link] [comments]


2021.10.20 17:43 BlankAnyway206 I don’t care now, nor have I ever cared, about microwave wattage when it comes to heating up my frozen meals.

“Times shown are for 1100W microwaves”. I actually don’t care.
Also, use the Medium setting for 10 minutes then High for 5 minutes?
Do you know your microwaves wattage off the top of your head?
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2021.10.20 17:43 Cinnamon_Bunny Nightmare Neighbour: what's the craic with the dog warden?

Right I'm at my actual wit's end here.
Millbeg next door has a pack of dogs and leaves 'em alone all day. They do not like that. Half the time they're not even actually alone because it'll go on til 10pm and she's out having a feg just ignoring it. No ignorance defence because she mumbled "sorry about them dogs" at me once in the street.
The RSPCA say it's not a welfare problem, so I've called the dog warden and they've sent a letter out. Six months ago. The fuck do I do next. They howl like car alarms every fuckin' hour of the day and it's genuinely starting to have an effect on my health, the stress is setting my fibromyalgia off tae fuck. I've other issues with the behaviour but it's not all day every day like this so I'm picking my battles here. All four dogs are clearly upset at being on their own and when there IS attention paid to them it's just being screamed at to shut up by the owner. Taken on fuck all walks too but I honestly couldn't give a shit as long as the noise stops. The sound level in my house is desperate. I've like fifty recordings of me just stood with my phone in my own hall and you can make out each of the four friggin dogs audibly.
What exactly does the dog warden do when sending a polite letter doesn't work?
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2021.10.20 17:43 Yampachi I’ve gotta kill my friend before he runs away.

Those 5 diamonds were my only ones I had.
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2021.10.20 17:43 gogglegums Should I (27F) let my friend (26F) that I don't want her as my bridesmaid anymore?

Hi Reddit, so here's my dilemma.
I (27F) got engaged earlier this year! However, I noticed that my two closest friends at the time, A and B (both 26F), were less than thrilled for me. We had a long talk about it, and during the conversation I told them that it breaks my heart that the two of them were not supportive of my relationship with my fiancé (29M) because I considered them as my future bridesmaids. They told me it was because I never arranged for them to meet my fiancé before I got engaged. We talk more, cry a little bit and I thought all was well and settled.
These past few months, A and I don't really keep in touch as often and drift apart. My attempts to reach out to her just fall flat but that's fine; I know life happens sometimes. B and I however are still close in comparison. Earlier this month, I officially asked B to my bridesmaid. I mentioned to B that I don't know if I still want A to be my bridesmaid anymore and she says I should just let A know of my decision.
Honestly I don't know what to do. Whether I personally tell A or I don't and she finds out on her own, I feel like it's the final nail in the coffin of our friendship. It's not that I don't still consider her as someone important to me; at one point I have even called her my best friend. I would still love for her to be there a a guest at my wedding.
I'd really appreciate some advice.
And on the probable chance that A finds this post, I'm sorry if you found out this way. You are important to me but it just feels like I'm not in your life anymore. I'm scared of even bringing up this issue with you. I can only hope you understand where I'm coming from.
TLDR; I mentioned off-hand to my friends, A and B, that I wanted them as my bridesmaids. Months later, A and I have drifted apart but B and I are still close. I've asked B to be my bridesmaid, but I don't know if I need to tell A that I don't want her as my bridesmaid anymore.
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2021.10.20 17:43 AutoNewspaperAdmin [Entertainment] - Will Clint Eastwood’s ‘secret’ grandson find love with ‘Bachelorette’ Michelle Young? | NY Post

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2021.10.20 17:43 WorriedAmoeba2 McCrudden light machine rifle. Australian recoil operated 303 british prototype developed in late 1910's. Containing only 7 movable parts it was super foolproof to use, reportedly as "operating a throttle"

McCrudden light machine rifle. Australian recoil operated 303 british prototype developed in late 1910's. Containing only 7 movable parts it was super foolproof to use, reportedly as submitted by WorriedAmoeba2 to ForgottenWeapons [link] [comments]


2021.10.20 17:43 Fdr_productions Pokémon Leaf Green! the stories continue!

https://www.youtube.com/watch?v=Pk1enF4gsk0
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2021.10.20 17:43 Linde007 SNDL Options chain in one sheet

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2021.10.20 17:43 BeerLeagueSnipes Best ‘old’ driver?

Hey guys, looking for some recommendations on some good older drivers. This term is subjective so anything outside of the last couple of years and something that is reasonably priced.
Why? Me and a friend are planning on buying some old drivers to play with during the winter when all we have is the simulator. I’m of the impression that newer drivers aren’t a huge deal better than older ones (for an average golfer) and I would like to put this to the test.
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2021.10.20 17:43 PVCnews Editors on Editing w/ “No Time To Die” Editors Tom Cross, ACE & Elliot Graham, ACE

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2021.10.20 17:43 AutoNewspaperAdmin [Sports] - Jaylen Brown has no doubt how much better Kemba Walker makes Knicks | NY Post

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