Mathematical model for fuel consumption of a diesel generator?

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I need a protocol for extracting ochratoxin A from green coffee beans for analysis on hplc, as well as the protocol for carrying out the calibr ?

ochratoxine A ; HPLC ; green coffee

29 December 2020 4,028 3 View

What is the most recommended multispectral-UAV to be used for delineating the shoreline?

Hi there, I am looking to purchase an UAV with an attached multi-spectral camera to use its images in delineate the shoreline. I need to take a vertical geo-referenced image (if possible) and...

21 November 2020 1,283 3 View

How can i delaying a signal in Matlab script file without using simulink block (i want the instruction of delaying a signal in script file ) ?

How can i delaying a signal in Matlab script file without using simulink block? (i want the instruction of delaying a signal in script file )

27 October 2020 4,299 2 View

What would you do if MgSO4 did not fully dry your organic extract ?

Hi everyone, I used MgSO4 as a drying agent to suck all water droplets from my organic extract. However, even after adding MgSO4 three times and leaving it overnight, I still see some water...

14 September 2020 9,203 3 View

What multiphase model should be used to simulate the evaporation of an oil droplet in ANSYS FLUENT?

Hello, we have a sheet of Aluminium and some droplets of oil on it. The temperature of the sheet increases and the oil droplet evaporates in the air. The droplet has water and kerosene too and...

29 August 2020 2,268 3 View

How to activate the solid species tab in species transport in ANSYS Fluent?

Hello, I have to add a solid catalyst to the mixture but the tab is not activated. I have defined the solid material in the materials section but the list is showing the fluid materials only. How...

19 July 2020 4,930 3 View

How to make intervals in an ANSYS Fluent user defined function UDF to describe three different equations through time?

Hello, I have a plot shows the change of a quantity with time. How can we write a code in Fluent UDF to compile it ? I need a way to define the time intervals. From start to a specific moment, the...

30 May 2020 5,774 10 View

How to numerically estimate the polarity graph of a PEM fuel cell like the attached paper?

Hello, how to estimate the voltage and the current density of a fuel cell and put both on a single graph using CFD simulations? The paper is attached. Thank you!

04 May 2020 8,228 5 View

Which family name is correct for the insect species listed in the table below?

Hi friends The following table shows insect species from 3 orders. In conflicting sources, they are introduced from different families (family 1, family 2 and family 3). What do you think about...

02 March 2020 5,140 3 View

How to calculate the battery coefficients of Y and U by trial and error to estimate the current density and battery performance?

Hello I have a paper shows an idea to validate the battery performance by trial and error. How can we estimate the coefficients of Y and U and what is the experimental data needed for...

25 December 2019 1,502 8 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

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

Do I need to introduce HFD to ob/ob mice to obtain a T2DM model?

I am planning to work on T2 diabetic animals and check the efficacy of probiotics. My initial plan is to fed B6 animals with HFD for a while. But now, I have the chance to work on ob/ob mice. My...

18 February 2021 6,896 3 View

What are the options for global scale hydrology DEM?

Hello, I am working on a global scale hydrology GIS project delineating global watersheds and doing some data analysis. I have in the past used hydro1K from the USGS that cover the entire world....

18 February 2021 5,109 5 View

Can I use a categorical covariate in a Generalized Linear Model in SPSS v.26?

Hello everyone, hope you are well. I am planning to use a Generalized Linear Model in SPSS. I would like to add gender to the model as a covariate, however from what I have read, only continuous...

14 February 2021 8,937 4 View

What will happen when we assume an upper bound of OFV lower than the global minimum OFV ?

if we assume 20 is the upper bound of an objective function (OF) based on permutation a square matrix (nxn) , The minimum value of the OF=22, then we run a random operator to compute the OF by...

14 February 2021 6,056 5 View