Solution of 2D convection diffusion heat equation using MATLAB ?

This is a polymer heating problem. Polymer enters at around 180C (x=0) in the barrel. Also barrel initial temperature is 180 (t=0). Some heat Is added along whole length of barrel q. We have to...

15 February 2021 3,887 1 View

Paper about future and challenges of batteires?

I am looking for a recent paper that describes the challenges facing batteries' progress and all about the future of batteries.

11 January 2021 1,809 1 View

Is there any thin, flexible conducting wires capable of current carrying of around 0.5-1.0 Ampere?

I want to use connecting wires for the soft robot to deliver electric current of around 1 A (voltage 5V), however currently available wires are quite rigid and they exert negative force for the...

05 January 2021 4,485 3 View

A three electrode sensor inkjet printed gets damaged in few hours of usage in a dynamic media flow chip, any solution for that?

We are using some biosensors which are inkjet printed and are used in the microfluidic chip where media is flowing at the flow rate of around 60 uL/min. However, after the continuous use of few...

05 January 2021 610 2 View

Who to create single SPSS data sheet for different measures by two different populations??

I am working on Effect of parents personality patterns on adolescents, I have collected data from parents and adolescents by using different scales on both population. Now I have to create SPSS...

26 December 2020 7,238 3 View

Why is light pure energy?

light is pure because the light is the simplest electromagnetic construct but the energy of any object is also of the same kind.

20 December 2020 207 4 View

Can we design a solar cell with undoped c-si ?

i would like to realize a solar cell made of : SiO2 as a protective layer and ITO as an ARC, undoped c-Si as an active material, and Ag as back reflector, can I use undoped c-Si as an active...

21 September 2020 2,687 4 View

How to make a numerical study about solar cells gratings?

I am looking for a free software for students or generally make free to make a numerical study which means to simulate solar cells gratings in order to enhance solar cell efficiency by light...

08 September 2020 4,032 3 View

USB based DAQ options with atleast 4 analog output channels and 8 analog input channels other than National Instruments?

National Instruments provides vast variety of DAQ options which are based on LabVIEW, however they are way too expensive when it comes to opting option with high analog output channels (like 4)....

30 August 2020 5,195 6 View

What can we call this type of surface morphology formed in Cu2O at high laser power during the SLM process?

A kind of surface roughness is produced by the application of laser energy density at high laser power (> 140W) which looks like an open porous structure. This kind of structure is not observed...

18 August 2020 9,835 4 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Which is the most convenient manufacturing software for Additive Manufacturing?

Which tools can be used to generate machine codes for additive manufacturing?

02 March 2021 7,220 2 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

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Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?

01 March 2021 5,311 1 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

How can we add reinforced thermoplastics with granules in injection molding machine?

I need to make an injection molding machine in which short fibers are to be introduced. Short fiber length and material properties are to be determined and also the material strength are to be...

22 February 2021 4,290 1 View

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View