Why fouled membrane has more negative zeta potential and lower IP?

I modified PES membranes with nanoparticles (nanosilver, graphene, halloysite). They were used in UF for WWTP effluent treatment. After filtration, all membranes exhibited more negative zeta...

26 December 2020 5,676 3 View

Likert scale over repeated measures?

I am working on research where I have 66 participants who perform an exercise every day, and then they need to respond to 14 questions with a Likert scale (1-10). They performed this exercise for...

20 November 2020 4,682 6 View

Do you know anyone who might be interested in running oncology related randomized studies concerning vit. D as profilaxex for oncological problems??

There have been a number of studies relating vitamin D deficiency to cancer and relapse in different types of cancers, for instance Hodgkin's lymphoma. Yet it does not have any repercussion for...

09 November 2020 9,211 2 View

Cultural awareness in medicine - who in the UK runs a course for medical students?

Dear colleagues, Together with my colleagues at the Medical University of Warsaw we are developing a short course on cultural awareness and multiculturalism in medicine. The course is primarily...

09 May 2018 8,306 5 View

How to assess the statistical significance of the regression coefficient for a large data set (approximately 20,000 samples)?

p-value is always less than 0.05 because it depends on the simple size. I am asking for a reference to the statistical literature. I know about two ways: 1) sampling - I do not know how to...

27 February 2018 4,151 4 View

I am trying to calibrate Samsung Galaxy S7 to get real colour from a piece of paper in VR.

I am trying to calibrate Samsung Galaxy S7 to get real colour from a piece of paper in VR. Any recommendation?

14 May 2017 6,388 1 View

Anyone interested in antimicrobial surfaces incorporated with Ag Au Cu TiO2 ?

Dear All, I would like to ask you who within Europe manly UK or Ireland is focusing his.her field of interest on the surfaces modified with antimicrobial nanoparticles such as Ag, Au, TiO

15 January 2017 690 3 View

IF on endomembranes and vesicles. Is there a better method than saponin in PBS?

I am setting up a protocol for IF on endomembranes in hippocampal neurons. Thus far, it has been difficult to obtain crisp clear image even when using saponin permeabilization, as it seems that...

11 February 2016 5,619 7 View

IF on endomembranes and vesicles. Is there a better method than saponin in PBS?

I am setting up a protocol for IF on endomembranes in hippocampal neurons. Thus far, it has been difficult to obtain crisp clear image even when using saponin permeabilization, as it seems that...

01 February 2016 6,976 8 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

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

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

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How does one access the Cranet survey data on HRM practices?

Hello, The Cranet website does not provide any lead to the data obtained from their multinational survey on HRM practices. Any help on accessing the data would be most appreciated. Thank...

01 March 2021 9,536 3 View

Is there any research regarding how training and development is going to change in the era of Fourth Industrial Revolution?

As the organizations getting prepared for the fourth industrial revolution, to enhance the skills of their workforce what type of changes are necessary and going to occur in the training and...

01 March 2021 3,199 3 View