Key application areas for Vacuum forming Machine?

Vacuum forming machine is very handy and useful. What can be the possible key areas which make it feasible and economical to go for?

04 May 2017 6,245 0 View

How we can operate a heater to a required temperature using PID Controller?

I am using LabVIEW and NI DAQ cards. I am operating a heater using PID controller in LabVIEW. How can I tune the value of the gains so that I can get an excellent response from the heater? By...

07 August 2016 6,358 10 View

How to calculate or determine heat transfer coefficient?

07 August 2016 3,897 2 View

Heat Transfer Calculations and Modeling

How can we decide which geometry would have faster heat transfer rate while working in negative temperature if we are using copper and the mode of heat transfer is pure conduction? Also if the...

06 July 2016 1,312 6 View

How to store dry ice ?

I want to store dry ice for at least one to two weeks. What will be the most economical way to store it for at least one week.

31 December 2015 6,950 3 View

What are the safety issues assocaited with dry ice?

I am working on dry ice and ethanol mixture ( Ice-bath). What are the safety issues and precautionary steps that must be taken. Also what are its environmental hazards.

09 October 2015 2,089 1 View

What is the sublimation rate of dry ice at room temperature?

What is the sublimation rate of dry ice at room temperature, and how can we calculate the volume or mass of dry ice for achieving specific temperature?

03 April 2015 4,873 5 View

How can I use dry Ice as a coolant with controlled flow?

I want to use dry ice as a coolant , how can i use it so that its flow can also be controlled in order to get the desired temperature.

01 February 2015 4,581 1 View

IV Characterization of Solar cell?

What is meant by IV characterization of solar cell. Are there different ways to carry out this or it can be carried out through the same way.

10 November 2014 1,038 1 View

Handling and safety issues of liquid nitrogen

08 September 2014 7,583 0 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View