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

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 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

Can explain this diagram to me, is this the average consumption curve for one day or the total consumption of days in a month summed up in specific?

The hourly load curves of the selected household in each season are shown in Fig. 28. Figure 28 shows the demand for electricity in four months on an hourly basis. Can you explain this diagram to...

08 February 2021 657 16 View

How to define fuel mixture as input in ansys fluent species transport model ?

I want to define a CO + H2 mixture fuel for a combustor. How can I define this in ansys fluent mixture template ? Normal database does not include this mixture . eg. if I want to define a mixture...

01 February 2021 6,860 2 View

What are the naitve functions of bacterial NRP?

The bacterial NRPs (nonribosomal polypeptides) are famous as clinical drugs such as antibiotics, but is there other native function of these NRPs of bacteria except antimicrobial, because their...

01 February 2021 4,280 1 View

I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View

Is an Algal Microbial Fuel Cell a good research topic?

What do you think about studying the electricity production in an Algal Microbial Fuel Cell? Namely at the anode there is for example a solution with bacteria which degradate organic matter into...

27 January 2021 5,681 5 View

Gibbs and fuel cell?

20 January 2021 6,146 2 View

How can I prepare 300mg/L concentration of lead(II) nitrate ( Mol. Wt reffered is 331.21) incoorporated Luria-Bertani (LB) agar ?

I need to check the Heavy metal (lead) consumption assay using microbes at varying concentration in same media. ( 200mg/L to 2000mg/L).kindly help me to clear it.

19 January 2021 1,946 9 View