21 July 2023 1 3K Report

I am designing a circular wave guide with TE11 mode and frequency of about 1.5 GHz. does anyone know how to calculate the radius of the waveguide?

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Can we mark 'EFL Learners shifting from general digital to AI technologies' as technological transition?

After COVID-19 it has seen that EFL learners technological affiliation has raised. In addition, in the post-COVID period learners started to engage AI technologies like ChatGPT while learning...

08 August 2024 8,964 4 View

How to generate a citation of my paper from ResearchGate?

How we can cite the papers from ResearchGate. I am trying to create citations for this article, Quantum Machine Learning Algorithms for Optimization Problems: Theory, Implementation, and...

08 August 2024 6,690 3 View

Does Anyone have expertise in in vitro transcription and RNA pull down assay?

I am currently working on LncRNA; to know the lncRNA-protein interactions I want to do RNA pull down assay, so I need to design primers with T7 promoter. I need assistance in this regard.

07 August 2024 6,622 1 View

How to fix background error in rietveld refinement of one XRD peak using GSAS-II?

I want to refine one XRD peak of my in-situ xrd but the background is never working good which ultimately fails the refinement. How to refine and adjust the background using GSAS-II

05 August 2024 5,291 2 View

How can I add own Henry coefficients in Aspen Plus?

Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?

05 August 2024 2,333 2 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Can usage of AI tools like chat GPT in research work is recommendable ?

AI tools like ChatGPT can enhance research work significantly when used responsibly and in conjunction with thorough human oversight.

05 August 2024 1,842 3 View

Usage of internal standards in LC-MS/MS analysis?

Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...

05 August 2024 3,084 6 View

ANY free software for reconstructing neurons in the microscopic image?

Hi everyone, I am working on brain slices for visualizing a protein in the soma and dendrites, using a fluorescence tag. However, I need a tool (not paid) for reconstruction of the whole neuron,...

04 August 2024 4,725 2 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

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How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

Is anyone aware of any Bronze Age or Neolithic pendants made of siltstone with serrated edges?

Excavation in 2007 in Northern Scotland along the East Coast revealed a domestic site containing the unbroken half (other half is missing) of a perforated circular disc measuring L 37mm x W...

27 July 2024 6,019 0 View

Why only alpha wave of brain are found in some patients?

I have found an EEG where only alpha waves are present. Beta waves are not found in active patients. What interpretations ?

26 July 2024 4,741 1 View

How Do Length of Pylon and Rotor Disk Radius Impact Angular Frequency and Torsional Stiffness in Whirl Flutter Analysis for a 2 DOF Propeller System?

Actually, I'm having trouble implementing the plot of the flutter region for the whirl prop system with 2 DOF  (Influences of structural damping and propeller—pivot point distance on whirl flutter...

21 July 2024 5,047 2 View

Did Einstein misunderstand the photo-electric effect?

Photo-electric effect A light particle moving towards a surface cannot (by collision) force an electron particle to move away from that surface. A light wave can instead make interference with a...

19 July 2024 8,389 9 View

How to find peak period and significant wave height for a particular location in ocean?

I want to develop the figure like attached figure. How can I get, peak period and significant wave height at any given location.

13 July 2024 886 2 View

Possible reasons for not getting wake effects in free surface?

Hi, I am trying to simulate a ship in a canal. The top width of the canal is 20m, bottom width is 6m, depth is less than 5m. Ship has a length of 11.7m breadth of 4m, draft is 0.62m. The velocity...

10 July 2024 1,732 4 View

How to get discharge capacity of a bole well?

No data regarding radius of influence is provided and no pumping test data available.

10 July 2024 7,168 0 View

How can I find the absolute maximum value of the Lamb-Oseen vortex with a no-slip condition?

R(t) = the propagation function of the vortex, where R=sqrt(4vt + R0^2) R0 = initial radius. w0 = initial angular velocity. Rf = the radius of the boundary confining the fluid. The Lamb-Oseen...

07 July 2024 3,680 0 View

Is unified field theory Schrödinger's wave equation or its square?

We assume that the Schrödinger wave equation, iℏ(dψ/dt)= Ĥψ. . . . . (1) is incomplete and cannot be considered a unified field theory. on the other hand, its square, d/dt)partial U= D Nabla^2...

06 July 2024 7,106 8 View

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