What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

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I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

How much could knowing the maturity level of an organization contribute to a given process?

The doubt is raised because there are several methodologies to estimate the degree of maturity of certain processes, such as computerization, communication, human resources, among others, and...

03 February 2021 4,753 7 View

What is the half-life of TNF-alpha in vitro?

I'm designing a low-grade chronic treatment with this cytokine and I'm wondering how regularly to change the culture medium based on the half-life of the protein in an in vitro environment....

24 January 2021 5,988 2 View

Are there any public datasets of consumer complaints about service industries at the European level?

06 January 2021 1,718 2 View

What is the easiest and cheapest molecular magnet to synthesize at home and how can it be done?

im looking for a diy at home (home lab) molecular magnet in a chemical suspension that is stable at room temperatures and cheap

30 December 2020 626 1 View

What defines the time it takes to disconnect a molecular switch?

I have been thinking about a material that was made 6 months ago, which is a tetramethylsiloxane linked to a thiazolidinedione and finally to a naphthalene, but I can't find the original paper (if...

30 December 2020 5,347 1 View

Are there any molecular dynamics sofware easy to use for homo lumo interraction in molecular dynamics or some sofware for magnetic interraction spins?

I am working with molecular dynamics in a nanotube but I need easy to use software to be able to homo lumo, molecular dynamics and also charge densities in a chemical doping, I am also looking in...

30 December 2020 7,482 1 View

Vhb 4910 and carbon black as a electrode have some diference between carbon with pdms?

There is a dopant for the vhb 4910 actuator tapes that have acetylene black or carbon black which is carbon grease (carbon black + pdms) commercially, I am making a robotic actuator but I don't...

30 December 2020 3,144 1 View

PLS-SEM generalizability issue?

I'm developing a readiness assessment model regarding contractors' preparedness for a specific activity, in order to do so, a survey study was carried out and the data analyzed with PLS-SEM to...

24 November 2020 399 1 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

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

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View

How do I plot Pressure against crank angle degree in Fluent?

18 February 2021 8,390 3 View

Can any one explain why the ethyl ester Biodiesel (FAEE) has higher than that of the metyl ester FAME- both of them are derived from the same oil?

Biodiesels derived from waste vegetable oil transesterification with Ethanol (FAEE) show higher peroxide values than those derived by transesterification with methanol (FAME) prepared under the...

13 February 2021 193 6 View

How to define fuel mixture as input in ansys fluent species transport model ?

I want to define a CO + H2 mixture fuel for a combustor. How can I define this in ansys fluent mixture template ? Normal database does not include this mixture . eg. if I want to define a mixture...

01 February 2021 6,860 2 View

I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View

Is an Algal Microbial Fuel Cell a good research topic?

What do you think about studying the electricity production in an Algal Microbial Fuel Cell? Namely at the anode there is for example a solution with bacteria which degradate organic matter into...

27 January 2021 5,681 5 View

Gibbs and fuel cell?

20 January 2021 6,146 2 View