No title

02 January 2021 7,417 10 View

What could be the cause of the Glutathione peak migration (LC Dionex, Kintetex EVO C18, water phase) ?

Hello, I need a help from those of you who work on Kinetex EVO C18 with water + 0.2% TFA mobile phase (isocratic). The conditions are constant (temperatures, flow, column, conditioning time)....

16 December 2020 4,582 3 View

How does one combine the basis of Quantum Physics that the information cannot be destroyed with the GR statement that black holes destroy the info?

How does one combine the basis of Quantum Physics that the information cannot be destroyed with the GR statement that black holes destroy the info?

14 December 2020 7,845 19 View

Macrostudies using sysGMM?

Dear all, Could you recommend macroeconomic studies (hopefully published in good journals) that use system GMM or Arellano-Bond estimators? Thanks a lot!

10 December 2020 5,130 4 View

What do you think about the article in Scientific American that nobody knows how planes lift off and fly?

https://www.scientificamerican.com/article/no-one-can-explain-why-planes-stay-in-the-air/

07 December 2020 4,404 19 View

No title

07 December 2020 9,722 12 View

Why my Nyquist plot does not intersect the x-axis?

I have been measuring the conductivity of the biopolymer membrane by using the 2-electrodes connection and sometimes the plot intersects the a-axis and other times doesn't. The membrane was...

03 December 2020 8,471 1 View

GPower for Three-Way ANOVA analysis?

I want to explore if the amount of time (usage) spent on the Social Media IV1, with two levels , one is light and the other is heavy use, Iv2, body image with negative and positive levels, Iv3...

17 November 2020 4,405 3 View

DNA extraction from bacterial culture?

Is it an effective method to isolate DNA from Gram-negative bacteria with only the use of a boil and freeze-thaw protocol, without any chemical purification? Also, is there a media to maintain the...

06 October 2020 6,890 8 View

Is there an equation connecting wave function and entropy of the quantum system?

Is there an equation connecting the wave function and the entropy of the quantum system?

27 July 2020 931 13 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View