How do you think why fiber-optic DAS systems are not frequently used in bioacoustics?

There are some interesting challenges for DAS systems in fields of agri-biophotonics and/or biophotonics - from vibration impact studies on the roots of growing plants to sea fauna acoustics...

16 October 2020 6,696 5 View

Cloudy or "milky" surface of soft (Ag, Al, etc) single crystals. How to avoid?

Hi all, sorry for double-posting, but the "discussion topic" doesn't seem to get enough attention. We have recently started to work with Al single crystals for surface science experiments....

30 July 2020 2,603 3 View

How can you do biotynilation of antibodies in presence of gentamicin?

For some time we have used biotinylated antibodies for ELISA. Usually I use biotin N-hydroxysuccinimide ester to link biotin to antibodies (and I have used different carbodiimides for other...

28 July 2020 8,806 3 View

Abaqus high stresses?

Hello , Recently I received a strange effect: stresses in the outcome are higher, then those specified by Plastic material performance, i.e. there was specified 180MPa, while in the odb frame I...

02 July 2020 4,118 4 View

Dear Colleagues, does anybody plan to visit the International Conference on "Optical reflectometry, metrology & sensing 2020"?

My friends, my dear colleagues, I am the Scientific Secretary of this Conference. It is held by the Photonics Laboratory and Agri-biophotonics Laboratory of the Perm Federal Research Center of the...

25 December 2019 4,220 29 View

Humic acids degradation by microorganisms?

Is there any new info on microbial degradation of humic acids in or out of soil?

07 March 2018 1,087 2 View

Inflamation by dead cells?

If dead cells of microorganisms forming a biofilm on a stent, accumulate due to actions of antimicrobials, could they provoke inflamation?

27 February 2018 8,671 3 View

How to immobilize lactic acid producing bacteria on the surface of medical devices?

Do you know some cheap hydrogel to cover the surface of medical devices?

25 February 2018 8,916 2 View

How to make small FOV collimator?

I have a sensor and I want to make really small FOV, like 0.1 degree.So, I use lens, which focus light into pinhole. So FOV is Tan(D/f)^-1, where D is pinhole size, f is focal length. It means, If...

18 September 2017 3,889 3 View

Is it possible to predict UV-VIS absorption spectra of polyconjugated polymers?

Hi, and thanks for taking a look. There are well-known Woodward-Fieser rules that allow predicting the absorption peak locations in diene compounds that may have unsaturated substituents attached...

07 June 2017 9,188 2 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View