What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Which is an ideal solvent to dissolve CaCO3 nanoparticles?

I want to check antibacterial activity of CaCO3 nanoparticles, and I have to make suspension in which they can easily disperse. I have tried DMSO, chloroform, ethanol, saline and DI water, but...

04 November 2020 4,130 3 View

How To Keep A Network Running Even When The Server Is Down?

I was working on MIB server for educational purpose. But since a week I am unable to use the server. It is either restricted or down, I don't know what the problem is. But I want to dock my metal...

02 November 2020 8,775 3 View

What are the suitable conditions to probe sonicate CaCO3 nanoparticle dispersion before doing SEM measuremnts?

Need to know sonication time for SEM measurements of nanoparticles

07 September 2020 4,417 3 View

Sample size calculation mistake?

Dear friends I collected data in a questionnaire form with a total number of 500. I submitted my manuscript and now the reviewer asked me to verify sample size calculation. What will be the values...

31 August 2020 4,456 16 View

Regarding preprint, How can someone publish data as preprint before being submitted to journal?

Dear followers As journal instruct authors not to submit work that already been submitted elswhere, how can I publish preprint?

07 June 2018 5,202 2 View

About Inductor filter design for PV Grid-connected system?

11 February 2017 9,265 8 View

Stacking gel of tricin is not polymerizing

Hello, I have problem of preparing stacking gel of tricine , there is no issue of polymerizing the resolving gel but problem is in stacking gel polymerization even keep it 5 to 6 hour. I have...

25 February 2016 3,406 2 View

Multiple bands of BSA ans Lysosyme when run as a ladder

Hello I have some problem since few days, when I run SDS-PAGE or Tricine-PAGE and use BSA and Lysozyme as a ladder it shows multiple bands, I am using DTT and incubate 95C for 5-10min, I have...

16 February 2016 4,548 3 View

Can the amorphous core can be used in 50 Hz transformer core?

13 December 2015 9,595 14 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View