How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

What is the difference between the supplementary cementitious materials and alkali-activated concrete?

18 February 2021 9,188 3 View

For displacement control test, what is the relation between stress intensity factor and crack length?

There are two plates with horizontal center crack, one with crack length of a with the other with a+da. The bottoms are fixed while the tops are under the same displacement load. For intuition,...

11 February 2021 9,543 2 View

Difference between Second-harmonic generation and Two-photon absorption?

Hello Dear Researchers, I am confused about the Difference between Second-harmonic generation and Two-photon absorption? Can anyone describe the two phenomena briefly in the physical picture? What...

24 January 2021 9,912 5 View

Which kind of GPC solvent can be used to dissolve both lipid and salt?

I want to find a GPC available solvent to dissolve both lipid (DPPC, 2 mM) and salt (NaCl, 100 mM).

14 January 2021 3,805 2 View

Is it possible to publish a paper contradicting Einstein's special relativity in any Journal?

I just developed a new theory on electromagnetic and plan to publish in a Journal. The findings are purely through strict mathematical derivation without any disputable assumptions and also...

13 January 2021 1,558 5 View

How is linear form of plasmid circularized?

Hi all, I'm working on transforming E. coli with plasmid in a mixture of linear and circular form. What happened to the linear form once uptake? Do cells ligate them directly? Or cell DNase...

13 January 2021 8,336 4 View

Why dose plasma AngII concentration decrease in AngII infusion mice detected by AngII ELISA kit?

I detect the plasma AngII concentration by AngII ELISA kit (ENZO), the results show that plasma AngII decrease in AngII infusion mice. I check with the kit and find that the kit could recognize...

31 December 2020 8,838 3 View

FoldX YASARA plugin keep showing error message. Please help?

Hi, I use YASARA (version 17.8.15) on windows 10 and recently I am trying to install FoldX plugin on YASARA. Here is what I did: 1. Download YASARA plugin for windows (and the executable and...

24 December 2020 536 3 View

Why does the impact force of barge pier collision suddenly increase to the peak value in finite element simulation?

I am learning the knowledge about barge pier collision these days, and have a problem that the impact force of barge pier collision suddenly increase to the peak value in ls-dyna. But the...

05 December 2020 9,978 3 View

Possible explanation of extremely high cell death in neuroblastoma SH-SY5Y under tert-butyl hydroperoxide incubation?

Dear collegues, Recently I've faced a strange problem using tert-butyl hydroperoxide for induction of oxidative stress and cell death. I've worked with neuroblastoma SH-SY5Y cell line. My aim was...

12 August 2020 8,067 1 View

The peracetic acid oxidizes [(NH3)5 Co S2O3]Cl to form [(NH3)5 Co S2O5], but some other oxidants like hydrogen peroxide can not oxidize. Why?

In my project I need to study the rate of oxidation of [(NH3)5 Co S2O3]Cl to form [(NH3)5 Co S2O5]Cl by means of some oxidants. Some of the oxidants like Oxone, peracetic acid and magnesium...

08 September 2018 504 0 View

The concentration of Ethylene glycol mono-tert-butyl ether used in drug discovery?

Hi. I am currently using the ethylene glycol mono-tert-butyl ether as my co-solvent together with water in my plant extract study. I am wondering the concentration of ethylene glycol...

01 January 1970 9,693 0 View