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

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

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 it necessary to have internal standard in Bio analytical Method Validation in HPLC?

Please suggest a suitable reference from I can get information regarding the internal standards and other calculations for bioanalytical method validations for HPLC.

19 January 2021 5,680 5 View

At what step should one add internal standards in tissue sample for LC-MS?

Hi everyone, I'm doing metabolomics of placental tissue in my lab. I added 1ml of 80% MeOH along with 2 isotopic internal standards namely, phenylalanine and palmitic acid to my sample after...

18 January 2021 9,520 4 View

How to build aero engine fuel system online prognostics simulation model using Matlab, Simulink and Simscape?

How to build aero engine fuel system online prognostics simulation model using Matlab, Simulink and Simscape?

17 January 2021 5,181 1 View

How can we increase awareness about Covid 19 prevention in our city among the local population?

The general public must be made aware of the mode of transmission, presenting symptoms and the measures that can be undertaken to prevent the spread of infection. Few options- Media, Webinars...

03 January 2021 3,538 13 View

What is the future of biogas in Asia?

What is the future of biogas in Asia?

31 December 2020 8,821 16 View