How to deal with non-stationary signals?

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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

Why activated CAR-Jurkat cell could not kill targets?

Previously when I co-coluture anti-CD19(FMC63) CAR-Jurkat with Raji with E:T=5:1, Jurkat can eliminate Raji in 24h. However, when I test another CAR construct, although I can dectect totally CD69...

06 August 2024 641 2 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 is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Which Scopus Journal provides the most affordable fees?

"PUBLISHING IN A SCOPUS JOURNAL" Researchers are now at a cross road. The critical need to publish in a Scopus or ISI, etc journal is ever vital. Journal Publication fees must be submitted....

10 August 2024 8,621 1 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 View

Who will be moral responsible for the death of thousands of people in the event of an earthquake?

Who will bear moral responsibility for the deaths of thousands of people in the event of an earthquake? Weeks and months remain before the onset of strong earthquakes that bring death to...

08 August 2024 6,134 12 View

Are there any instruments for studying time similar to the way it is in space?

There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...

06 August 2024 7,102 0 View

Are there any good simple systems or platforms to recommend?

In order to show people the beauty of control and enhance enthusiasm for learning control theories, are there any good simple systems or platforms to recommend?

05 August 2024 10,034 1 View

In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended?

In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended? If no axillary lymph node dissection was not...

05 August 2024 8,056 1 View

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 1 View

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity?

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...

03 August 2024 5,358 0 View

Interested in a SCOPUS collaboration?

Hi RG family. My team and I are working on some SCOPUS publications and we need co-authors who are willing and capable of undertaking both qualitative and quantitative-based studies. The scope...

02 August 2024 7,843 0 View

Yann Pasco

I had the problem with the active control of vibrations coming from an helicopter transmission. I had to use a tracking filter (a kind of order-tracking) for the fondamental frequency of the rotation.

Yuliang Yang

Yann Pasco Thank you very much for your answer! I will be appreciated if you could recommend two relevant papers!

it's an old paper, but there are some good ideas.

good reading

Yann

Yann Pasco Much appreciated, I'm studying it.