How do i handle Ti and/or Aluminium powder. Since in the instruction on the container is written that CATCHES FIRE SPONTANEOUSLY IF EXPOSED TO AIR ?

i am working on max phase preparation......i am a newly joined PhD scholar. I wanted to make MAX phase of Ti3AlC2 , in most of the literature they are using the metal powder of Ti and Al for the...

23 December 2020 7,122 8 View

The emission plot (using data from the EDGAR NetCDF file) in Rstudio is plain (flat color). I cant understand why?

I used the attached file and used ncdf4 package in RStudio in Windows machine to plot CO2 emissions. But the plot came out flat. I guess I am making a mistake in understanding the "emi_co2"...

24 March 2020 7,828 3 View

How to dissolve Decabrominated Diphenyl Ether powder in bacterial culture medium (Mineral Salt Media/LB Media)?

Hii, I am trying to dissolve 30 mg/L quantity of 98% pure Deca-brominated Diphenyl Ether powder (BDE 209) into Mineral Salt Medium but it does not form a solution in medium as the solubility of...

29 October 2019 9,200 2 View

Why the cylindrical tube at the corner of the square are not following the curve while performing the 'sweep' action in COMSOL Multiphysics?

I am completely new in working with COMSOL Multiphysics. I am trying to draw a cylindrical shaped wire wound around the square block(as seen in the attached picture). The cylindrical wire is...

10 March 2019 3,104 3 View

How can i coat activated alumina or activated carbon on metal such as copper? What's the process?

How can i coat activated alumina or activated carbon on metal such as copper? What's the exact process to do? Is it feasible?

31 October 2018 6,171 2 View

How do I prevent loss of RNA during DNase I treatment of low amounts of RNA?

I am collecting rare cell types from the nematode C. elegant by FACS for RNA extraction and subsequent sequencing. For some populations we get 5,000 - 10,000 cells. We sort directly into TRIzol...

28 August 2018 6,205 3 View

How can I Know good, bad and theta solvents for a polymer?

Need to know for PVA polymer

21 November 2017 9,223 3 View

How to obtain the value of base flow from SWAT model output?

After successful simulation run I am interested estimate the base flow simulated by SWAT model.

01 August 2017 7,817 3 View

Would it be considered as Test Construction or Adaptation?

A test is constructed for Class 11 on the basis of previously available standardized test (in different country and for Class 7 & 8) considering the same factors and based on the model of the...

27 July 2017 4,886 7 View

Can we use four probe method to measure the conductivity of thin films of nanometre range?

20 June 2017 2,858 3 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 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 can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 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

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

How to sample data to increase presence of solar panels in the images?

I am working on creating deep neural network on geospatial dataset and wanted to know how to do the sampling so that I can increase the presence of solar panels in the images. I cannot use entire...

25 February 2021 3,936 6 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View