I obtained a result to investigate the acid sites of HZSM-5 via ammonia-TPD; but it did not turn out what I expected from other journals.
What may be the root cause of this problem?
1) What kind of spectrometer, especially what kind of detector are you using?
2) Do you see a proper signal for other samples or is this observed in all cases?
I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...
03 March 2021 4,116 4 View
Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...
01 March 2021 9,537 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 have to amplify a gene and my primers just reached. The Tm for Forward primer is 64.2, and that of reverse primer is 65.5. Can some one suggest how to get the best annealing temperature? Thanks...
01 March 2021 360 7 View
Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?
01 March 2021 9,785 3 View
I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...
01 March 2021 8,415 1 View
Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.
27 February 2021 9,356 3 View
hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...
27 February 2021 734 4 View
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
I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...
26 February 2021 8,183 3 View
Is there any heat of dilution which I need to take care by putting some circulation cooler? Will there be any significant ammonia emission in the process?
09 February 2021 5,943 2 View
Hello, I synthesized PEG coated Fe3O4 nanoparticles by coprecipitation methods and I would like to ask whether they can be dispersed in aqueous NH3 since they have a PEG coating and theoretically...
06 February 2021 5,217 4 View
I have a heterogeneous culture of nitrifying bacteria that was originally isolated from the field. It has been kept alive for several months in a bioreactor. I want to pull some of this...
18 December 2020 5,411 4 View
I have to analyze an existing ammonia line to estimate the pressure drop in it. The line is designed to transport liquid ammonia. I can compute the pressure drop with standard friction factor...
21 November 2020 5,494 3 View
I am doing econometric modeling for air pollution and some other variables. But don't have the latest data (2000-2020) of air pollutants such as carbon monoxide, PM2.5, PM10, NOx, SO2 and ammonia....
27 July 2020 6,624 4 View
The NH3-TPD of commercial silica (S.A= 223m2/g) has been run on a Micromeritics 2900 AutoChem II Chemisorption Analyser to determine total acidity. However, there was no peak observed post-run....
29 April 2020 2,174 3 View
Looking for the salt with the greatest ability to effect the release of Ammonia gas from aqueous ammonia at a pressure of about 1.4MPa (i.e. salt not precipitating out of solution) and at a...
23 February 2020 4,530 3 View
Currently, I m developing a new fertilizer from organic and inorganic substances. I need to quantify how much nitrogen loss by ammonia volatilization in actual field level. Can anyone recommend...
04 February 2020 3,404 3 View
it was heard that the reaction mixture of liquid ammonia and Iodine is explosive. So, Kindly suggest some routes for this reaction to undergo without any harm. Thanks
23 January 2020 1,680 2 View