How to access past outputs within a function written for ode45 in MATLAB?

Within the function written for ode45 in MATLAB, I need to use the past outputs to calculate new data. Does anyone know how I can do that? Because the outputs that I can access currently are the...

06 July 2013 3,944 16 View

Schulz-Zimm Molecular Weight Distributions - can anyone help?

The Schulz-Zimm distribution has the following form: p(x) = [k/Mn]^k x^(k-1) exp(-k*x/Mn) ====================== gamma(k) Where x is the molecular weight and...

05 June 2013 5,263 4 View

Solving large ODE systems?

I need to solve a simultaneous system of 70,000 ODEs in MATLAB using ode15s but I get the "maximum variable size allowed by the program exceeded" error. Anybody know whether this can be fixed? Or...

05 June 2013 6,328 8 View

How to report starch concentration best?

If I add 4 g of starch into 400 mL of water, and on a separate flask, I have 4 g of microbe in 40 mL of medium, should I be reporting that: a) 40 mL of 10 %w/v of microbe was added into 400 mL...

11 December 2012 9,210 8 View

Double-blinded journals

Anybody know of any chemical engineering or process control journals that are double-blinded in the peer review process?

10 November 2012 8,534 1 View

Mean activity coefficient of hydrogen ion using MacInnes convention.

Does anybody know exactly how do I calculate the mean activity coefficient of hydrogen ion?

09 October 2012 2,063 0 View

Biological buffers

I want to maintain the pH of starch hydrolysis during the fermentation of amylolytic microbes by using buffer solutions. a) Anybody can recommend any suitable buffers to be used for such...

05 June 2012 9,187 10 View

Oligosaccharides assaying using thin layer chromatography

Does anybody know whether it is possible to quantify the amount of different oligosaccharides present in a mixture by using thin layer chromatography? Or is there any other cheaper and faster...

04 May 2012 7,632 13 View

Is amylase production in microbes growth associated?

Does anybody know whether the production of alpha-amylase, beta-amylase and glucoamylase from bacterial and fungal species is growth or non-growth associated?

04 May 2012 7,657 15 View

Current trends in biochemical process modelling

Does anybody in the field havesome insights into the current trends of modelling biochemical processes? For example, cybernetic approach, boolean approach etc. What are the directions forward in...

04 May 2012 251 0 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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