who is more polar, choline chloride-malonic acid or choline dihydrogen citrate-malonic acid
Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?
01 March 2021 3,422 3 View
Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...
19 February 2021 9,742 2 View
About crack modeling in ABAQUS: Mode I (pure-tensile cracking) and Mode II (pure-shear cracking), these assumptions may be accruing in theoretical approach (ABAQUS) not practical in Lab....
19 February 2021 6,156 1 View
hi everyone I am simulating a unit cell structure in HFSS using Flouquet port having two modes for absorption I have used this formula:- absorption=...
17 February 2021 9,178 2 View
Are there alternatives to the Devarda alloy when estimating nitrogen? devarda alloy is reducing the nitrate to ammonium
15 February 2021 8,838 3 View
Hello. An article on the Iranian state's civil liability in the COVID-19 issue has been written in collaboration with a friend and a comparative look at law and biology. The article is ready to be...
15 February 2021 2,906 2 View
In my research, I have used metaphorical elicitation tasks to investigate learners' conceptualization of speaking fluency. In the analysis phase, I used thematic analysis to make themes out of...
10 February 2021 4,719 11 View
Hello all, I am trying to model CO2 being dissolved in a bubble column filled with water. For mass transfer definitions, I need to define two phases: for instance, liquid and gas, where the liquid...
08 February 2021 2,722 3 View
I'm preparing materials that will be use in SOL-GEL to produce silica gel, I will use Tetraethyl orthosilicate (TEOS) as precursor, and ethanol as solvent , but when I search to buy ethanol, the...
01 February 2021 5,153 4 View
For research purposes, it is required to have optically clear, low viscosity silicone oil with a refractive index of 1.5-1.4. It is going to be used in optoelectronic research. Online purchase is...
01 February 2021 9,160 3 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 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
I already found several publications on that topic, however, the specifications for the used filters are often missing. Some more specific information than "fish is placed between to polarizing...
23 February 2021 1,934 1 View