What is the difference between the XRD patterns?

These are the XRD patterns for the same sample, but they seem different; one of them has broader peaks than the another, and when I count the size of the crystals using Scherrer equation, the...

11 February 2021 5,477 4 View

How can we normalize image intensity?

Hi everyone, I am a student trying to quantify the number of cells in an image using ImageJ. Is there a way to bring all my images from a set of experiments to a set intensity? For example, if...

05 December 2020 7,088 2 View

Why Resistance of a three phase line cannot be calculated directly from the available power and voltage measurements (i.e. R=V^2/P) ?

Dear Researchers, Grid impedance measurements/estimation techniques have been used to find the value of resistance and reactance of a three phase line. I would like to know the technical reason,...

16 April 2020 2,610 13 View

Using Co-variates in Item Response Theory 3PL model?

06 February 2020 7,189 3 View

Crystal growth through DFT?

Hello everyone I wanted to do TS search upon the growth of a Cu2O crystal. Can anyone suggest another technique or an appropriate way to use DFT calculation for Transition state calculation for...

24 July 2019 8,479 2 View

How can I prepare the supercapacitor electrode ?

I need to know how can i prepare the supercapcitor electrode. Tell me which things are needed to dovelop the supercapacitor electrode?

26 May 2019 6,490 6 View

Optimization of TMOs through DFT in Gauss view?

Hello everyone I have successfully drawn CuO structure in Gauss view through PBC, I need to know what are the appropriate parameters in functional and basis set in order to successfully optimize...

19 May 2019 167 3 View

LOD voltage regulator for IR2110 for driving two IRF540 mosfets ?

I searched the entire internet for a LOD voltage regulator up to 1A for Vin 6V-37V coming from the solar panel and fixed output 15V for VCC and 5V for VDD. I have two IRF540 mosfets to be derived...

16 April 2019 2,564 4 View

Photovoltaic array linear equivalent circuits?

Is it a good approximation to have a thevenin's equivalent of photovoltaic source? if I want to approximate it from 27V to 37.7V and Vmpp is 30.7V and voc = 37.7V for analysis and design ?...

06 April 2019 9,078 3 View

How to decide what reference is the output of the PI controller?

Dear Researchers, I have a simple (but rather confusing for me) question to ask. What are the rules to decide the output reference of a PI controller. For example if i am regulating frequency...

04 April 2019 2,658 12 View

I want to convert Methane gas to liquid Methanol using photocatalysis. Can you please suggest me a good paper which I can study ?

There are a number of publications regarding this, but none of them are clear and show the mechanism of gaseous Methane conversion to liquid Methanol.

06 January 2021 364 3 View

Can "Natural Language Processing" be used for modelling information flow between platforms?

Dear fellows, I am working on my bachelor thesis right now. My vision was to extract some sort of information flow between platforms. Concretely, I wanted to analyse 4chan /pol/ posts from 2016...

05 January 2021 9,424 3 View

Can i know the conversion of human SAR value to that of a mice?

The phone have 'Head SAR' of 0,527 W/kg, and I give exposure to male Mus Musculus 3G (2100 MHz) and 4G (1800MHz) each group for 1 hour per day for 30 day. Is the result will be the same in human?...

26 December 2020 2,475 3 View

How to calculate the flow rate required for fluidization for a fluidized bed gasifier ?

We need to calculate the flow rate of air required for fluidization of the bed. We have a compressor which gives air at 7 bar and a 1 bar rotameter for measuring the flow rate in LPM. How can I...

16 December 2020 2,092 3 View

Can Apparent Activation Energy determine Conversion Rate in a catalysis reaction?

Recently, I got a concept that is contrary to my understanding from two papers. It can be described as follows, in brief: There are two catalysts for the same reaction, on the catalyst with higher...

09 December 2020 2,406 28 View

How to convert Unit/mL enzyme concentration to FPU/mL or FPU/g concentration?

Is there any conversion formula for this purpose.

06 December 2020 3,283 3 View

Any simplified protocol or methods of estimation of cellulose, hemicellulose and lignin content in a biomass?

Dear all, Kindly suggest me a simplified/easy method of calculation of cellulose, hemicellulose and lignin content of agricultural biomass along with the relevant reference. We have used the NREL...

02 December 2020 4,362 3 View

Is it possible to add hierarchical porous Cu/Zn-nanoparticle@carbon materials into a carbon paper based gas diffusion electrode (GDE) ?

26 November 2020 5,075 1 View

How to inhibit the ion conversion between Mn4 + and MN2 +?

Dear scientists, I have a question to ask you, it is known that Mn4+ is beneficial to the soil, but part of Mn4+ in the soil is easy to be converted to MN2 +, is there any way to inhibit its ion...

21 November 2020 1,200 5 View

From your experience - what are the biggest impediments in the implementation of Digital Twins?

Even almost 20 years after the first Digital Twin (DT) concept was presented by NASA, there is still no broad implementation of DTs in industry is known to date. Why is that? What is hindering...

29 October 2020 1,003 7 View