What pressure range is the Ideal gas equation applicable?
I use transition metal precursors as active components on the alumina support, I saw one method from the publication where pH was not adjusted when preparing the catalyst. My understanding is,...
06 July 2018 971 0 View
I am using peak areas to calculate moles so as to get conversion and selectivity for the reaction I run. I decreased the volume from what I have been using all along to get area that is within the...
06 July 2018 4,996 1 View
I am using SiO2 and Al2O3 as support materials in catalyst development and in some methods it is mentioned that the support is dried (pre-heating in the oven) before impregnation. I want to...
06 July 2018 2,578 0 View
I am doing a catalyst (Silica & Alumina supported) characterization using X-ray diffraction. I am looking for a reference spectra for CuO and Ag.
01 January 1970 4,247 7 View
When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...
03 March 2021 4,892 5 View
We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...
03 March 2021 7,975 3 View
We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...
02 March 2021 6,036 1 View
Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...
02 March 2021 4,910 3 View
(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...
02 March 2021 3,309 2 View
I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...
02 March 2021 5,829 1 View
Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...
01 March 2021 8,235 2 View
I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...
01 March 2021 6,985 3 View
I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...
28 February 2021 6,477 1 View
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