What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

I am electroplating Ni on a stainless steel. At temperature and time should I anneal so that Ni thermally diffuses into stainless steel?

I am electroplating Ni on a stainless steel for abrasive application. At temperature and time can I anneal so that Ni thermally diffuses into stainless steel? My intention is to improve the...

20 October 2020 7,092 3 View

What are the hot topics in today's situation where an engineer should focus for betterment of society, e.g. Rural development, Solar farming, etc.?

We engineers sometime busy in doing research in countless unpractical, non urgent, not beneficial to society like areas for increasing count of our research articles. But we know an engineer is a...

17 July 2020 1,950 16 View

Relative telomere length calculation with Ct values?

10 May 2020 7,398 2 View

Can any one suggest me what are improvements i can do in clustering of wireless sensor network based on residual energies?

I have already implemented clustering algorithm for WSN(IoT) based on remaining energies of CH's. But i need to improve algorithm for my academic project. Please suggest me the possible...

01 April 2020 3,357 5 View

Could ecological risk indices applied for water samples?

Could Pollution indicators such as degree of contamination index (Cd) and potential ecological risk index (PERI) proposed by Hakanson (1980) also considered for water samples to represent surface...

24 March 2020 7,345 4 View

What should be the average size of amplicon if I am using LBb1.3 (left T-DNA border) and RP (gene specific Reverse primer) against genomic DNA ?

Hello everyone! I am thinking to amplify T-DNA insertion region using LBb1.3 (left T-DNA border) and RP (gene specific Reverse Primer) against the genomic DNA of one of the T-DNA insertion mutant...

11 March 2020 1,239 3 View

Error while compiling WRF - "compile [-j n] wrf compile wrf in run dir (NOTE: no real.exe, ndown.exe, or ideal.exe generated)" Need solution ?

or choose a test case (see README_test_cases for details) : compile [-j n] em_b_wave compile [-j n] em_convrad compile [-j n] em_esmf_exp compile [-j n] em_fire...

06 February 2020 810 8 View

Which software is mostly used in industry for static structural analysis?

Most used CAE software used in industry for static structural analysis.

25 January 2020 6,260 3 View

Kindly explain how to calculate interaction volume from incidence angle in XRD?

26 November 2019 4,411 3 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

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

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

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

ANCOVA controlling baseline in RCT - how to perform power analysis and sample size estimation?

Hi, I have a simple question. I am hoping to perform a power analysis/sample size estimation for an RCT. We will be controlling for baseline symptoms, and using post-treatment or change scores as...

19 February 2021 2,648 23 View

Why are the modelled and circuit system different in response for controlled buck converter?

[Images are attached at bottom] I am currently working on a buck converter controlled by two different control methods, Reinforcement learning applied to find PID values & a lead-lag...

16 February 2021 5,060 10 View

Is there any solar electric power plant having the concentrated photovoltaic modules?

The solar photovoltaic (PV) power plant uses commercial (non-concentrated) PV modules which are quite simple in design and reliable. They can work on fixed orientation and don't need the moving...

16 February 2021 3,796 9 View

How can we estimate sample size for a moderated mediation analysis with more than two mediators?

How can we estimate sample size for a moderated mediation analysis with more than two mediators? I am looking for scripts, macros, syntaxes, that allow us to estimate sample sizes for research...

15 February 2021 6,813 3 View