In the cosmological equation, what is the relationship between vacuum energy and cosmological constant?

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Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

How to enrich pig excreta for increasing nutrient quality organically ?

Pig slurry is rich in major and minor nutrients. Is there any way to improve / Enrich its manure quality to be used in agriculture organically ? please share your knowledge.

09 August 2024 5,605 2 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Unusual intensity drop in some sections of chromatograms in DDA?

Hi, we have measured tryptic peptides using both DDA and DIA method on QExactive. In DDA replicates i saw unusual intensity drops occurring at the same sections of chromatograms in DDA replicates...

07 August 2024 3,218 4 View

Leaf area of tomato ?

Hi How can this equation Ln(LA) = 1.038 + 0.89 ln(X) be applied to calculate the leaf area of a tomato? Can you explain with an example and what is the substitution of Ln and ln?

06 August 2024 2,508 2 View

Why did the authors extrapolate a phenotype that they experimentally proved in one bacterial strain across the whole genus of the organism?

I aim to be as skeptical as possible regarding whether a pair of orthologous genes results in the same phenotype in their different but related bacterial organisms under similar environmental...

05 August 2024 6,787 4 View

How to preform densitometry on SDS-page bands?

I ran a SDS-page of a bacterial lysate and I want to quantify protein concentration in a specific band. I was thinking of using a standards ladder or make some standards are different...

05 August 2024 9,805 3 View

XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds?

XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds

04 August 2024 3,019 3 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

What are the limitations and challenges of using machine learning for predicting concrete compressive strength in practical applications?

Machine learning (ML) has shown great potential in predicting the compressive strength of concrete, an important property for structural engineering. However, its practical application comes with...

03 August 2024 2,546 2 View

Can we isolate microplastic from sludge sample without using vacuum filter..?

isolation of microplastic from sludge sample using centrifugation ..

23 July 2024 6,418 0 View

Why does total carboydrate content decrease when increasing the vacuum degree?

I have conducted a survey on the "effect of vacuum drying conditions on carbohydrate content of angelica.S". The result show that, when increasing the vacuum degree, the carbohydrate content first...

13 July 2024 592 1 View

Can vacuum cleaners spontaneously explode?

We assume that vacuum cleaners can explode spontaneously. Very few catastrophic accidents due to vacuum cleaner explosions have occurred in the world recently. We also assume that the mechanism or...

03 July 2024 4,846 2 View

Can a vacuum explode spontaneously?

Whether a vacuum can spontaneously explode is a serious question that essentially falls under quantum mechanics. If the vacuum can explode spontaneously, this would mean that the dynamics of the...

27 June 2024 2,047 2 View

The field of cosmology and general relativity is vast and intricate,mistakes in tensor calculations, which are fundamental in general relativity ?

The field of cosmology and general relativity is vast and intricate, with numerous potential areas for misconceptions and errors. Initial mistakes in tensor calculations are some common mistakes ?

27 June 2024 6,329 2 View

How do you explain the formation and explosion of the Big Bang?

Before the Big Bang, there was space and time that constituted unitary four dimensional vacuum. This problem belongs to quantum mechanics and can be solved by quantum matrix sequences from the...

14 June 2024 2,631 11 View

How much energy is needed to form plasma, and is a vacuum is necessary for the plsma formation?

How much energy is needed to form plasma, and is a vacuum necessary for plasma formation?

29 May 2024 7,629 2 View

Can someone give me some links to papers where sintering is done using vacuum sealed silicate glass tubes?

I am trying to sinter my samples at 1300 degree celsius in Vacuum and I came to know about a technique from some lab technicians that it can be done using box or muffle furnace itself. The idea is...

26 May 2024 9,850 4 View

Is there anyone that can assist be with removing excess 1-Iodo-Octane from from my product. Beside high vacuum distillation and kugelrohr what else?

I perform al alkylation reaction on an imdazole compound where the alkyl reagent (1-Iodo-Octane) was in excess. After the reaction was completed, I then performed an extraction, followed by...

24 May 2024 8,042 2 View

Does string theory have enemies both from high energy physics as well as from cosmology/unification/guards of criteriaToE?

String theory's applications are remarkably wide. Unfortunately its been beaten in the nuclear domain, where physics on a lattice QCD are more acclaimed as well as in cosmology where GR regns...

21 May 2024 9,902 1 View