What is the influence of the mold release agent on sound absorption properties of polyurethane foam ?

I'm an intern in a big company which makes flexible polyurehane foam for the automotive sector and I'm working on sound absorption properties of PU foam. I'm not chemist so I'm trying to improve...

23 September 2020 3,765 4 View

How to analysis FTIR data?

02 January 2020 6,175 3 View

Does anyone has a protocol for determination of minimum lethal dose (MLD) of toxins for mice?

I was looking for a protocol to calculate the MLD in mice but I didn't find it. Thanks for yout help. Robert

28 September 2017 2,954 1 View

How frequently should I measure the hypoglycemic effect of a plant extract in mice?

19 April 2016 1,767 4 View

Common genes for identification of insect pests?

Does anyone know which gene I should use for molecular identification of insect pests? (ITS or COI) Any website to find the DNA primer for PCR?

30 January 2013 3,772 7 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 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

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

25 February 2021 1,987 3 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

How to make Fast Green FCF from powder?

Hi everyone We need Fast Green to electroporate plasmid into mice embryos, therefore we simply need it to see some color in the liquid we are electroporating so that electroporation is more...

07 February 2021 1,671 2 View

How to eradicate the deteriorated contact resistance in the electrical or electronic devices, like SCR or contactor' pin cable ?

Through years operation, some of the devices' pins connection gradually become worse and finally burn out due to the high temperature at the connection point. We can check out these risk points...

04 February 2021 7,401 5 View

Is it possible to find out the wettability and contact angle of water on the rough or corrugated substrate?

First of all, whether it is possible to identify the presence of water and its amount on the Silicon substrate by using only FT-IR spectroscopy. Can ATR-FTIR spectroscopy find out the wettability...

03 February 2021 9,085 4 View

Which is the best software for the simulation of tribological properties of materials?

I want to simulate the tribological properties of solids, liquids, and fluids, please suggest good software.

02 February 2021 3,947 3 View

Does anybody work with CoolLED in fluorescence microscopy?

I have trouble with exciting wavelengths higher than 460 nm while e.g. ex with 405 nm works. Filtercubes are correc, as I used them with my old xenon lamp before... I work on axiovert200M and with...

25 January 2021 5,201 2 View