I have, for instance, 987 RG questions' answers. How can I go to the oldest one directly without pressing the Page-Down or using the mouse many times?

I have 751 RG questions' answers. Please help me with the followings: How can I go to the oldest one directly without pressing the Page-Down or using the mouse many times? How can I search for a...

16 December 2020 188 25 View

What is the error in the following Java code?

The following Java code has a run time error: package A; public class Student { Student Osama = new Student(); public static void main(String[] Nidhal) { Student Wasfi = new...

25 October 2020 6,038 11 View

How can I add a research paper to the Google Scholar?

Dear all, I hope this question finds you in good health & spirit! This is a repeated question but in a different way. How can I add a research paper to Google Scholar? I have the following...

04 October 2020 209 22 View

How can I add a research paper to the Google Scholar?

03 October 2020 3,413 26 View

Can you tell me some good materials science journals with impact factor less than 1?

Materials science journals

09 July 2020 4,774 5 View

What would be the fast and smart strategy for writing a 40,000 word PhD thesis (dissertation), within 1-2 months ?

Dear researchers, I would like to hear and learn from your suggestions based on your general experience, during the course of your doctoral thesis writing.

20 May 2019 1,637 14 View

What causes VRBGA to turn yellow after culturing a sample on it and incubating for 24 to 48 hours?

I prepared serial dilutions from a food sample and plated 1 millilitre of a dilution on VRBGA. After incubation for 20 hours i realised the agar had turned yellow. What could be the cause of this...

13 February 2019 1,056 2 View

What is the best way for transferring Scientific Work Place into a Latex file ?

What is the best way for transferring Scientific Work Place into a Latex file ?

05 January 2019 9,477 3 View

What is the best way for transferring Scientific Work Place into a Latex file ?

What is the best way for transferring Scientific Work Place into a Latex file ?

31 December 2018 5,460 3 View

What theories can be used to determine the impact of participation on subjective well-being? What independent variables of participation can be used?

I am writing a research proposal and proposes to run a simple linear regression on impact of participation (independent variable) in social policy on well-being (dependent variable) of older people.

05 June 2017 1,324 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Is Genetic Algorithm usage for Motor Conception FEA optimization a good choice?

Hi RG community, Like the title shows ,i was wondering if choosing the GA for this kind of Optimizaiton is a good choice? For example we have a population of 100 (for 7-8 Optimization Variables),...

14 February 2021 1,160 7 View

How can I calculate the magnetic force applied from a magnet (no electrism)?

I would like to calculate the magnetic force on a Fe304 particle which is into a liquid solution . The magnet is above the solution , and there is no electricity. I found this formula : F = (V...

13 February 2021 4,770 3 View

How to interface ANSYS Maxwell and Matlab?

Dear All, I am working on electric motor design in Ansys Maxwell. I have written optimization code in MATLAB. I want to run this code in ANSYS MAXWELL and generate FEA results. Does anyone know...

10 February 2021 1,279 1 View

How to calculate the electric field in the rotating frame (the question in the general relativity)?

In the classical electrodynamics, there is one problem - to find the EM fields created by the charge moving with the constant velocity in the circular orbit or in the helical path (free electrons...

12 January 2021 3,689 1 View

Why a magnetic field oriented along spin axis cannot reverse spins in the sublattice of an antiferromagnetic in T = 0 K?

A permeability of an antiferromagnetic along the spin axis is zero in T = 0 K as it is written in any handbook of magnetism. Why a magnetic field oriented along spin axis cannot reverse spins in...

27 December 2020 7,513 6 View

Gear reduction for back-drivability of a motor?

Hi everyone, Does anyone know up to what reduction ratio of gear does a motor remain back-drivable? I want my robot to have safe interactions with the environment and other humans. Can you give a...

26 December 2020 7,142 3 View

What Lysis for frozen tissus for nuclic acid extraction (Maxwell plus RSC FFPE kit) ?

Hello, I have a technical question for you. For RNA and DNA extraction, we use Quiagen kit with Trizol/thiocyanate de guanidine lysis. However, it's a bit long and we wanted to improve our...

14 December 2020 7,596 1 View

How exactly does one magnetize magnetic tips for Magnetic Force Microscopy?

We have magnetic tips from Nanosensors (PPP-MFM- Reflex Coating). It is suggested that magnetization of the tip by a permanent magnet is necessary prior to the measurement. I have also found that...

03 December 2020 7,057 4 View

Ferromagnetic material (nickel) is attracted to magnets. So, is even a single atom of nickel attracted to the magnet?

Is the single nickel or cobalt atom attracted to magnet? Thank you.!

02 December 2020 5,584 3 View