Waste sulfuric acid is a byproduct generated from isobutane/butene alkylation. It is essential to remove the impurities and recover the sulfuric acid from the waste acid.
Dear Researchers, I found it from Permian limestone strata in Julfa province (North-West of the Iran country). It should be mentioned, this microfossil extracted from samples collected of the...
29 March 2020 574 5 View
Dear researchers, I'll be grateful if it is possible to recommend any method papers for extracting Radiolarian microfossils from the Middle to Upper Permian. Sincerely yours, Soheil.
22 March 2020 5,895 4 View
Dear Researchers, I found it from Middle to Upper Permian limestone strata in Julfa NW Iran country. This microfossil extracted form sequences that belong to the Stratigraphy and bio-event...
16 February 2020 3,088 10 View
I am trying to create some pattern with a DMD (digital micromirror device) and I want to configure a FPGA to drive the DMD but I'm running into some problems.
15 February 2020 9,508 3 View
Dear Researchers, Anybody knows what is this microscopic fossil from the Middle to Upper Permian limestone strata? I found it from the Middle to Upper Permian limestone strata in Julfa NW Iran...
26 January 2020 3,108 4 View
I'm interested to find out the reason for increases of mainlobe's width and decreases of sidelobe's amplitude in windowing IIR filters with non-rectangular windows,like Bartlett,Hamming,... .
31 December 2018 5,615 8 View
I'm Working on Reducing blast lag on the Abrasive air jet cross-sectional shaped material.
01 January 1970 6,905 19 View
I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...
03 March 2021 3,661 2 View
I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...
02 March 2021 4,443 2 View
Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...
01 March 2021 8,766 3 View
I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??
28 February 2021 2,153 1 View
hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...
27 February 2021 3,882 3 View
I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...
26 February 2021 1,511 3 View
I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...
25 February 2021 2,225 5 View
The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...
23 February 2021 2,049 3 View
To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...
23 February 2021 7,326 5 View
How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?
23 February 2021 3,053 7 View