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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

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01 March 2021 3,905 5 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View