What is the accepted recovery rate range for an acid digestion(HCl:HNO3), followed by an AES analysis?

I'm doing a heavy metal analysis by digesting bird feathers using acids. And in order to verify whether the method i use and the instrument i use give accurate results i was planning to do a...

22 September 2020 4,129 3 View

If I dissolve 35 g of NaCl in 100 ml, what will be the approximate specific gravity?

If I dissolve 35 g of NaCl in 100 ml, what will be the approximate specific gravity?. Is it 1.35? or is there some trick? I read that saturated NaCl soltion has specific gravity of 1.2. Also...

13 May 2020 5,065 2 View

How to avoid uneven (intensity) bands during Western Blotting?

I've uneven bands (size, intensity, and staining) when doing Western Blotting and I'm wondering what the problem could be. The protocol: -10% separating gel (0.375M Tris pH8.8; 0.1% SDS; 10%...

14 July 2019 6,577 8 View

How to ask a good question in RG? and get many responses?

Do we need to be specific? Sometime I feel that if we become specific with more details when we ask the questions, we loose some potential researchers from other fields. So the number of answers...

27 May 2019 3,627 24 View

Thai Electricity Production percentages (Breakdown according to source, for example Hydropower%, Thermal power%, Solar% etc.)?

I would like to know the, Thai Electricity Production percentages (Breakdown according to source, for example Hydropower%, Thermal power%, Solar% etc.)?

27 February 2019 9,882 6 View

How to preserve best PBMC samples for performing FACS staining later ON?

08 January 2018 6,965 7 View

How to remove fat from blood to get clean plasma for cfDNA analysis?

Blood from some donors are fatty, after centrifugation an upper layer forms which is difficult to remove, in order to get clean plasma for cfDNA analysis. Any advice? Thanks!

20 February 2017 8,100 4 View

Hello.. Is it possible to analyse the cross sectional area propagation of a flame by using mesh free method ?

18 January 2017 9,363 1 View

Can you please recommend me any free software for pie charts?

Any free software for pie charts for quality images, thank you!

21 December 2016 5,345 9 View

How to dissolve PEI (polyethylenimine)?

20 April 2016 2,880 22 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