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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View

No streamlines present in a small region inside a flow. This means exactly what?

No streamlines present means whether the flow is getting obstructed there and the velocity inside the region is zero? Or else, the fluid is trapped inside that region with a nonzero velocity?...

22 February 2021 5,249 10 View