Why good crystal formation give good MALDI spectra?

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Smart spectacles for paralysis people using the eye blink sensor it will detect the blink and provide what they need?

a man was facing a paralysis problem.. he wants some drink or else food not even he ask, because he paralyzed .while he put the smart spectacles he blinks the eyes it will count the sensors and...

13 July 2024 8,021 1 View

Custom message class object sending in packet using the UdpBasicApp in omnet++ ?

i havea custom message class(Custom.msg) file with content message Custom { float xPos; float yPos; }...

12 February 2024 1,546 0 View

Where can I find a dataset on Ayurvedic health, covering diseases, remedies, and formulations?

I'm looking for a dataset that explores Ayurvedic health, including diseases, remedies, and formulations. The data should include information on traditional practices, herbal ingredients,...

09 November 2023 2,488 1 View

How effective is Q-Exactive for top-down proteomics?

We are planning to use an q-exactive mass spectrometer for top-down proteomics . There is an HCD collision cell in mass spectrometry. How well does q-exactive's top-down proteomics work?

18 October 2023 8,352 1 View

What is the constitutive law used for powder bed particles interaction?

I am modeling a powder bed by using finite element method, In the mechanical behavior of the the powder particles depend on the friction between the particles and the sliding movent with blade.

11 October 2023 4,071 1 View

How to formulate the Navier- stokes equation for both fluids and solids?

I am modeling the phase change material in FEM, initially the material is solid state,and the heat supplied by laser scan on the top surface, due this heat source of the model get transform form...

11 September 2023 4,193 2 View

Why equivalent Von Mises stress used to find out the residual stresses in the body?

I am trying to model the residual stress in the body, which is subjected high temperature gradients. In the process of cooling/solidification the residual stresses are formed in the member. I red...

06 September 2023 6,483 2 View

How do you verify the quality and quantity of RNA after extraction, and what are some of the most important quality control measures to include?

16 June 2023 1,534 1 View

Please answer this error in comsol ?

The following feature has encountered a problem: - Feature: Dependent Variables 1 (sol1/v1)Solution 1 (sol1) is not computed

29 May 2023 781 1 View

ISO 6964 Polyolefin pipes and fittings — Determination of carbon black content by calcination and pyrolysis — Test method?

Who can provide me with the full version of ISO 6964 standard ISO 6964 Polyolefin pipes and fittings — Determination of carbon black content by calcination and pyrolysis — Test method

27 May 2023 8,845 0 View

Using OBD technique i am trying to measure laser induced shockwaves velocity i found that at start velocity increases and then decay?

i am unable to interpret why its increases in start as shown in figure

11 August 2024 2,179 1 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 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

Request a single Lecture notes for math as detailed as this that I can find in one place?

- The Existence/Uniqueness of Solutions to Higher Order Linear Differential Equations - Higher Order Homogenous Differential Equations - Wronskian Determinants of $n$ Functions - Wronskian...

03 August 2024 2,366 0 View