Ideal samples packaging for edible oils?

Hello everyone, I have maybe a stupid question regarding the right packaging to use when comes to send some oil samples in external labs. Do you have any advice about that? Is there a risk that...

18 January 2021 7,826 4 View

Alternative to use of ethanol in extraction process?

Dear all., I am using ethanol as part of the extraction process of Chlorella vulgaris carbohydrates. Since I am trying to scale up a bit the whole process, I should use much more ethanol, that in...

27 August 2020 1,875 5 View

Do I have to activate NR8383 rat macrophages with LPS before incubation with particles and investigation of cytokines release?

Hello everybody, I'm planning to investigate the in-vitro release of different markers (CXCL10, INF-a, IFN-b, 1L-1a, IL-1b, IL-6, free DNA) by NR8383 rat macrophages, upon incubation with several...

20 August 2020 8,791 1 View

Do you know if Covid-19 dataset is available somewhere?

I'm searching for a numerical dataset about the virus. I found only daily statistical data but i would like access to single patients data. Does anyone know about it?

09 March 2020 6,626 85 View

How do I report stats for a zero inflated negative binomial model?

I need to report my statistical findings in a paper but I am struggling to report the output from R. how do I treat the two sections (Count model coefficients and Zero Inflation model...

28 January 2020 1,422 2 View

What statistical method would you use to analyse point count data on butterfly migration?

I have a set of data to analyse on butterfly migration. Unfortunately my stats skills are not as good as my field skills! Me and my peers have counted the amount of butterflies migrating in one...

09 January 2020 8,150 11 View

How to choose a suitable journal?

Dear researchers, I know some sites that can help to choose a suitable journal to a given manuscript, namely: journalfinder.elsevier.com journalsuggester.springer.com journalfinder.whiley.com can...

13 October 2019 1,453 3 View

Buffer without monovalent salts, can I use Tris?

18 April 2018 8,432 1 View

Alternative to PBS buffer with low salt concentrations?

Hello all, I find myself in need to perform serial dilution of E.coli cells for a luminometric ATP assay. Normally for serial dilution I would use PBS, but from what I understood the...

18 April 2018 5,359 3 View

Toxicity of H2O2 against coli?

Greetings, I am currently trying to determine the toxicity of the effluents of an Electro-Fenton reactor with macrotoxicity method and colony count. The concentrations of H2O2 I calculated...

13 January 2018 1,660 3 View

Examples of GAMS syntax for a permutation flowshop scheduling problem?

Hi everyone, I am new to the field of industrial engineering. I need to formulate a gams model for a permutation flowshop scheduling problem. I will appreciate if someone can send me a code...

09 February 2021 891 2 View

Is GAMS software superior to other computing software such as MATLAB?

Most studies in the field of hydrogen network optimization (solving LP, NLP and MINLP) have used GAMS software. Is GAMS software superior to other computing software such as MATLAB?

29 November 2020 2,334 5 View

What software is best/friendly to used for Energy management and optimization on the home as well as on distribution network?

I want to work on the energy management system on the home level and on the low voltage distribution network. For modeling and optimization which software is friendly to use like Matlab, GAMS,...

12 November 2020 7,281 2 View

Is there any open source code for learning in the field of data-driven robust optimization?

I can get a lot of theoretical knowledge in related fields, but I'm still confused about the implementation behind it. Unfortunately, I didn't find any examples on the Internet that I could...

29 March 2020 6,438 3 View

Exchanging data between GAMS and Excel !?

Dear researchers, I have the following questions: 1. I want to know how I can read a number of TABLES and PARAMETERS from excel? 2. How can I make GAMS show the zero values as "0" in the results?...

08 March 2020 4,416 5 View

Is there a way for GAMS interruption and re-run from where it lasted?

Hello, If I have 5 hours to wait for GAMS result on Monday and 3 hours on Tuesday, and if I know that the model will be solved after 8 hours first run, is there a way to interrupt GAMS on Monday...

19 February 2020 6,599 3 View

Is there a way for GAMS interruption and re-run from where it lasted?

Hello, If I have 5 hours to wait for GAMS result on Monday and 3 hours on Tuesday, and if I know that the model will be solved after 8 hours first run, is there a way to interrupt GAMS on Monday...

01 February 2020 5,052 2 View

How to define an objective function with an index (j) in GAMS?

Hello everyone, is there any method to define an objective function with an index (j)? I cannot define the objective functions as the number of the indexes due to the objective functions are...

13 January 2020 8,560 7 View

Is there any GAMS source code for solving multi-objective optimization problems (Aggregate Production Planning)?

I also have question about Energy consumption, is there any way to find each product energy consumption? Is the cost of Energy consumption increases by increasing production (number of products)?

21 September 2019 4,256 1 View

LP Dual problem calculation with software?

Hello, I would like to request if anyone knows if there is a way to calculate the dual problem of an LP with any software (e.g. IBM, GAMS, Matlab/Matlab Toobox, etc.) in order to be able to then...

18 June 2019 7,003 4 View