I need a material to add to chlorophyll directly to prolong its color stability.
https://www.repository.utl.pt/bitstream/10400.5/12924/1/Disserta%C3%A7%C3%A3o_Mestrado_Cristina%20Couto%20FINAL.pdf
I am looking for gas permeability of PDMS for simulation in COMSOL MultiPhysics and using creeping flow , fluid and matrix properties. The permeability unit in COMSOL is m^2 whereas I have the...
08 February 2021 4,305 2 View
Hi I have a database in which there are several dates indexed as strings and in Shamsi format. I need them as dates (not strings) and prefer them to be Christian. I have tried "Date and Time...
14 December 2020 2,798 3 View
hi every one I want to know, is there any way to formulate FSI and 6 DOF or simulate them together in CFD Softwares? for example FSI of a ship with 6 DOF in regular waves or irregular waves? thanks
01 November 2020 6,197 3 View
Hi Predicting 3D structure of novel synthesized peptides and proteins is an important step in designing new proteins like enzymes and receptors. Can anyone suggest protein 3D structure prediction...
03 May 2020 2,604 16 View
Hi i have problem with interaction between Solid-Fluid interaction for a vessel. in commercial software for simulating Solid and Fluid, there isn't any option to simulate Fluid-Solid interaction...
21 April 2020 7,267 3 View
I want to overlap the Cs atom with a nanofiber. I am using two cameras but it is still not clear. So I added an external coil to AH coils to move them flexibly. Now the issue is how to minimize...
13 January 2020 3,015 2 View
hello every one I want to synthesis the CuInSexS2-x QDs and as I am elementary in chemistry, I want to know that how to determine the sub x in such structure in practice (mean in the synthesis of...
24 November 2019 2,100 1 View
As you know, citric acid has three carboxylic acids with pka: 3.13, 4.76, and 6.4 as well as a hydroxyl group with pka 11.6 to 14.5 (depending on the reference). On the other hand, OH has a potent...
10 November 2019 9,900 2 View
Hello I want to know, how to chose appropriate semiconductor material for QD synthesis? it is base on bandgap? or something else? how scientists know that the I-III-VI elements (for example) are...
07 November 2019 662 2 View
Dear sirs/madams, Hi. I have a question the answer to which I couldn't find. I was wondering if you could help me. I used random matching (matched paires) based on one variable to assign 132...
05 June 2019 9,904 7 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
Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...
26 February 2021 6,253 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
Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...
26 February 2021 1,100 5 View
Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...
25 February 2021 9,602 4 View
I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....
21 February 2021 8,609 1 View
What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...
21 February 2021 1,831 4 View
I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...
17 February 2021 7,402 4 View
i have been doing cholinergic assay on natural product and for some of the samples, i get negative value for the inhibition activity. can anyone help me explain the meaning of the negative value...
17 February 2021 4,118 1 View