Does anybody has the biodot zx1010 manual?

25 January 2021 6,257 1 View

If the daily (hourly) concentration of PM2.5 is not Gaussian. Is correct apply an arithmetic mean in epidemiological studies for risk assessment?

The distribution of daily PM2.5 concentration (hourly) is bimodal in the city of Coyhaique (South of Chile). Coyhaique is the city more polluted by particulate matter accord the WHO. The major...

11 October 2020 2,006 3 View

Size-exclusion chromatography for the isolation of EVs?

Dear all, I am currently doing research on extracellular vesicles (EVs). I'd like to improve the isolation method by trying out size-exclusion chromatography (SEC) compared to serial...

07 September 2020 4,412 5 View

BSEM/SEM approach?

Hi all! I'm getting into BSEM approach and I am specially concerned about when it is recommended or not to use this model. I have tested a BSEM with a small sample obtaining excellent results,...

07 September 2020 3,919 3 View

You can support me in a study on COVID-19?

Hello, I am a psychological researcher. We are conducting an investigation on COVID-19 and I hope to have your support....

17 July 2020 8,402 13 View

Can you help me to find and share material by Ernesto Spinelli?

I am an Italian psychologist, currently I am a professor at the University of Sherbrooke, I work in the field of the existential humanist approach, especially the role of the art in palliative...

23 May 2020 6,863 3 View

Is there an easy way to derivatize silsesquioxanes?

I have a polymer end-capped with a Polysilsesquioxane (POSS) like the one here: https://en.wikipedia.org/wiki/Silsesquioxane#/media/File:Silsesquioxane_T8_Cube.png where *R=i-butyl*. I haven't...

12 March 2020 2,590 3 View

What solvent mixture/ratio should I use for preparing liposomes by REV method?

I have tried with chloroform-methanol (2:1 v/v) but the emulsion produced after sonication is not stable. Also, lipids don't dissolve well in pure ethyl ether.

24 February 2020 2,360 5 View

Which is the optimal optical density for toxical recombinant protein expression in E.coli BL21 (AI)?

Hi everyone. I am trying to express and purify a recombinant antimicrobial peptide using as a host cell E. coli BL21 (AI) (employing L-arabinose and IPTG). Because this peptide can be toxic to...

19 February 2020 4,888 4 View

How can i count the number of instagram posts or tweets associated to a specific location (i.e. a specific street or square)?

I need to find a reliable method for calculating the number of pictures posted on Instagram or of tweets, associated to a specific public open space. The objective is to create a social database,...

16 February 2020 6,175 6 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

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