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stayoutoftherz (78)in The Chess Community • last year
Reminder: Round 3 of the Hivechess Tournament S17 , Friday 20h GMT
Dear chess fans! Welcome in 2024! Round 3 of Season 17 "x4" is played this Friday, 5th Jan. 2024, at the usual time. The current standings after the first two rounds you can…
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> chesspricepool: $9.56
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benainouna (62)in StemSocial • last year
Material Challenges For MEMS Manufacturing!
Have you ever wondered how the flow in inkjet printers is controlled, or how car airbags automatically activate during an accident?. All of this and more is done through a very small electromechanical
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benainouna (62)in StemSocial • last year
What Is The Hardest Natural Substance?
Corundum, which is just 30% as hard as diamond, is the next hardest material known to science after diamond. Wich make diamond a superhard material with a Vickers hardness value in the range of 70 to 150
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benainouna (62)in LeoFinance • last year
Tesla vehicles: An astonishing journey from bankruptcy to powerhouse!
By the end of October 2021, a guy worth over $300 billion was seen by the globe for the first time in history. This individual is Elon Musk. Elon Musk's electric car company, Tesla, saw a large increase
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benainouna (62)in StemSocial • last year
Why Silicon Is the Best Semiconductor for Making Chips?
Small semi-conductive layers called "silicon chips" are used for fabricating circuits for electronics.
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benainouna (62)in StemSocial • last year
Sand suitability for Glass Production in Algeria: Treatment and Analysis.
References: Chitosan-Based Biomaterials for Tissue Regeneration. by Yevgeniy Kim, Zharylkasyn ZharkinbekovORCID, Kamila Raziyeva, Laura Tabyldiyeva ORCID, Kamila Berikova, Dias Zhumagul, Kamila Temirkhanova
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benainouna (62)in StemSocial • last year
Will biomaterials rule the future?
References: Chitosan-Based Biomaterials for Tissue Regeneration. by Yevgeniy Kim, Zharylkasyn ZharkinbekovORCID, Kamila Raziyeva, Laura Tabyldiyeva ORCID, Kamila Berikova, Dias Zhumagul, Kamila Temirkhanova
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benainouna (62)in StemSocial • last year
Water Treatment "Part 40": Wastewater.
Water does not simply disappear after use; rather, it gets increasingly contaminated; so, waste water and water supply cannot be considered separately. In order to enhance the…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 39": Precipitation.
Precipitates can be divided into two categories: 1- The separated particles, which have a constant leaking velocity, are included in the first category. 2- The second…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 38": Zeta potential and colloidal system stability.
The Zeta potential, or the rate of electrostatic migration, has an impact on how stable a suspended particle is. Zeta potentials for unstable suspensions are less than 20…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 37": Colloidal particle interaction in an electrolyte solution.
There are two main groups for colloids in water: 1- Hydrophilic colloids: Hydrophobic colloids in natural water form hydrogen bonds with the water molecules. These colloids…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 36": Coagulation and Agglomeration.
Coagulation: The goal of coagulation is to make the colloidal system unstable by introducing chemicals that may eliminate the forces that are present on the surface of…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 35": Water with colloidal and suspended particles.
Among the most significant substances that pollute surface water and must be removed in order to generate drinking water are suspended particles, colloidal solids, and dissolved…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 34": Elimination of fluorine and arsenic.
1- Removing fluorine from water: The majority of fluorine removal techniques used in the process of treatment of drinking water depends on precipitation or adsorption. However…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 33": The fundamental methods for eliminating nitrates from water.
There are three fundamental techniques used to remove nitrates from drinking water: A high affinity ion exchanger for nitrate ions. The Bioprocess. Nanofiltration…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 32": Why activated charcoal is important for treating drinking water?
Although several materials possess the ability to adsorb, activated charcoal continues to be the greatest option in terms of adsorption power and financial cost, where it has the…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 31": Water demineralization by ion exchange.
The field of treating drinking water does not employ this technique; rather, it is used in the industrial sector. Three fundamental steps make up the demineralization of…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 30": Water softening using ion exchange.
Ion exchangers are used very widely in the field of industrial water treatment. In recent years, following the development of polymers that are impervious to induction processes and that do not produce
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benainouna (62)in StemSocial • last year
Water Treatment "Part 29": Additional methods for water softening.
1- Water softening with sodium carbonate (Na2CO3): To eliminate water hardness, sodium carbonate can be used alone or in combination with quicklime. In environments where the…
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benainouna (62)in StemSocial • last year
Water Treatment "Part 28": Water softening with sodium hydroxide.
While both methods aim to soften water, sodium hydroxide has a few benefits over quicklime in this regard: The reaction kinetics are extremely quick, resulting in a substantially higher yield. The precipitate
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