whether there exist the clear structure for the idempotent matrixs in m*m matrix algebra.
I saw a paper(PHAN V-T, ZHANG X, LI Y, et al. Microscale modeling of creep deformation and rupture in Nickel-based superalloy IN 617 at high temperature [J]. Mechanics of Materials, 2017, 114:...
16 July 2024 8,436 0 View
In many pupil data it is always seen that there exists a momentary change in pupil area to a larger or smaller pupil, but what exactly causes the pupil to change abruptly within a reasonable...
12 June 2024 5,416 1 View
Such as battery, localization, communication, safety and more.
21 May 2024 5,080 0 View
A spinor field in classical differential geometry is defined as a section of a spinor bundle, which is by definition the associated bundle constructed from the spinor representation and the...
14 May 2024 400 0 View
For α-type Ti alloys such as some TA series, water queching from temperature above Tβ can induce the formation of acicular α’ martensite within hcp-α matrix. However, the atomic structures of...
07 April 2024 4,294 1 View
I set the discharge cut-off voltage to 1V, but at a current density of 1mA/cm2, the discharge voltage does not reach the cut-off voltage, why is that?
02 January 2024 6,937 1 View
May I ask everyone, can symmetrical batteries in aqueous batteries be tested using a two electrode system? Or must it be installed as a button type battery?
24 December 2023 9,678 5 View
In the long cycle test of symmetrical batteries, the overpotential measured using a two electrode system is too high, which is a bit abnormal. How should we solve it?
24 December 2023 3,405 1 View
I am researching the history of the Macropetalichthyidae family and came across a reference to Charles Rochester Eastman's pivotal role in establishing it. According to Denison (1978), Eastman...
16 December 2023 2,643 2 View
Do APP and EUV cleaning affect the work functions of ETL and HTL?
26 November 2023 2,019 1 View
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
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
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
- 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
I need to lyse and homogenise mouse tissues. So far I have experimented with liver and lung tissue, using matrix D. The liver was completely lysed with 6 repetitions of the standard program, but...
31 July 2024 9,186 0 View
We assume this to be true. Science leaves the era of mathematics and enters the era of matrix mechanics and the turning point is the discovery of numerical statistical theory called Cairo...
31 July 2024 3,900 2 View
I am new to Micromechanics and having similar problem with understanding the implementation of the formula's. I would appreciate if anyone can guide me on how to go about getting a scalar value...
30 July 2024 969 0 View
Dear Research Community I would like to invite Elctrical Engineering specialists to solve problems related to Ternary Algebra or tripple sets I have an algorithm that places in relation three...
28 July 2024 5,771 2 View
Sure, here is the translation: I have a 3D orthogonal woven composite structure where warp, weft, and binder yarns are oriented in three directions. After modeling these yarns and the matrix in...
28 July 2024 8,169 0 View
We assume that we can find a statistical matrix mechanics equivalent to Schrödinger's PDE in two consecutive steps: i-Transform the Schrödinger PDE describing the wave function Ψ into its square...
27 July 2024 3,959 4 View