How to prepare different concentrations in ppm of Pb(II)Cl, CdCl2, CoCl2 ??

I am intending to prepare 500, 1000, 1500, 2000 ppm concentrations of CdCl2, PbCl2 and CoCl2 in aqueous solutions. Please share simple methods

11 December 2016 9,270 0 View

What is the difference between Dependent and independent variables?

I intend to analyse data (Two way ANOVA) through SPSS ; however, confused in dependent and independent variables while putting data into columns of spread sheet of SPSS. My objective is to test...

03 April 2015 5,490 22 View

Difference between balance incomplete block design and randomized complete block design?

Can someone help me explain what is balanced incomplete block design and in what circumstances it should be used. Does it differ from RCBD?

05 June 2013 2,694 4 View

Authors role in a manuscript

While submitting a manuscript to a journal, one of the pre-requisites for consideration (in many journals) is that "all the authors must have substantially contributed in preparing the...

04 May 2013 3,934 0 View

Difference between ANOVA and MANOVA?

In which conditions MANOVA should be used? For comparing significant differences of set of means, which statistical test LSD or Duncan Multiple Range Test should be preferred?

04 May 2013 8,899 4 View

Publishing in a journal without impact factor.

Many journals do not have any impact factor. Will publications in such journals be regarded as substandard?

04 May 2013 1,446 14 View

What is an LSD alternative for measuring significance in a multivariate analysis?

In a multivariate analysis, differences among means should be tested for significance by which statistical test? Is LSD appropriate?

04 May 2013 2,277 1 View

Which ANOVA is suitable for analysing "Variability in aggressiveness of different isolates of Phytophthora infestans"?

I am trying to find variation in aggressiveness components (infection frequency, latent period, Lesion area, Lesion growth rate and RAULEC) of ten isolates of P. infestans on detached leaf assay....

03 April 2013 1,427 20 View

What are publication ethics?

Last week I submitted a manuscript into a journal. The editorial office returned it and asked for removal of the name of one of the authors who was not from my country and institution. The...

03 April 2013 7,238 5 View

What are dependent and independent variables in a multivariate analysis?

I am trying to test aggressiveness of ten different strains of P. infestans on potato leaves. aggressiveness parameters are infection efficiency, lesion area, lesion growth rate and area under...

03 April 2013 9,813 5 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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Is it possible to remove a preprint posted by a journal which is already rejected?

As we know many journals are posting preprints (DOI) in advance before the peer-review process. However, there is no guarantee that the preprints get published. The journal's reviewers undergo the...

01 March 2021 5,778 2 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View