What is the sampling technique used in an online survey?

I am asking about the sampling technique used in an online survey. The survey will be distributed online via social media channels. We are targeting adolescents. The sample size will be estimated...

11 July 2020 8,685 14 View

What is the best free program for the analysis of H-NMR spectrum?

I need a free program to analyze H-NMR spectrum. Any recommendations?

29 May 2020 1,561 2 View

Hi Everyone: I have files with 300 dpi i want to keep the same resolution when i insert them into word docx. How can i do that ?

I keep loosing resolution once it is inserted in the word document. Thanks in Advance Noha

20 April 2020 7,241 3 View

Is the annealing temp. for a pair of primers is set according to qpcr kit itself or the primer itself? and which is better ... 2 or 3 step- reaction?

Hi, I am working on gene expression, and want to ask about 2 issues ... I am using SYBR green, but I am confused because each kit has its own specific Ta, while the primer itself has a different...

23 October 2019 9,927 3 View

As regard cDNA synthesis by COSMO cDNA kit Willowfort the recommended RNA concentration is 0.4 microgram, how to be calculated ?

RNA by nanodrop ranged from 60-100ng/ml extracted from blood by quiagen kit

24 June 2019 2,380 1 View

Any suggestion for journals that concern with Big data?

I am searching for a free journal that could accept my big data analytics survey paper with minimum days of reviews. Any suggestion for trusted ones? Thank you.

02 April 2019 2,866 3 View

What are the most common big data preprocessing techniques and recent research issues?

I am interested in learning more about preprocessing step within the analysis process of big data I need to know more about the recent methodologies, techniques and the relevant research issues.

08 November 2018 4,059 3 View

HOW can i minimize the number of hits made by the designed primer to only the intended sequence?

i have designed a primer but i found it gives 200 hits over than the intended sequence (5 of them in the organism that i work with). this give poor pcr results. i want to avoid this but i don,t...

01 September 2018 3,064 3 View

Any collaborators on cell cloning for protein expression ?

please contact me for details... Thanks

13 August 2018 2,830 2 View

Could I use sucrose triton lysis buffer for RNA isolation???

Hi, I usually use sucrose lysis buffer ( 0.6 M sucrose, 0.02 M Tris base, 0.01 M MgCl2 and 2% triton) for RBCs lysis in DNA extraction. After initial RBCs lysis and washing, a pellet of WBCs is...

10 July 2018 5,442 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

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

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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 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

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View