A question regarding Response factor in GC. what does area count mean?

i was reading about response factors in GC and i encountered the term area count, I was wondering if anyone can explain it to me, i have a general idea about the meaning but i'm not sure. does...

30 March 2020 7,854 1 View

Which software is best for estimating of pipeline corrosion rate?

I want to calculate Steel pipeline corrosion rate in different conditions, so Which software is best for estimating of pipeline corrosion rate?

03 March 2020 1,779 4 View

EEG connectivity calculation via HERMES toolbox ?

Hello everyone I am currently trying to calculate phase lock value for my EEG data with the help of the HERMES toolbox in Matlab. I have a total of 48 subjects with different channel location...

04 January 2020 5,220 1 View

How to evaluate the Antibiofilm effects of nanoparticles against Candida Albicans ?

how to evaluate the Antibiofilm effects of nanoparticles against Candida Albicans with an efficient and simple method?

09 October 2019 3,470 3 View

How can one simulate agglomerated cork in ansys and which engineering model can provide the better results?

I'm going to simulate the structural response of a sandwich structure with agglomerated cork core under bending and compression loading. Is there any reliable information about the structural...

28 August 2019 2,843 2 View

What are the reasons for Infertile and empty' seeds in the Cuminum cyminum L?

what are the reasons for Infertile and empty' seeds in the Cuminum cyminum L?

24 June 2019 8,648 2 View

Hi.I have an extruder for dewatering a two phase fluid. I want to setup slip condotion in wall boundary condition in Ansys Fluent. how can I do that?

in wall boundary dial box I should specify the shear stress in three direction (x,y,z). how can I measure this shear stress? please help me....

10 June 2019 7,550 1 View

What are the best polynomial approximation functions for analyzing free vibration and impact analysis of plates?

I want to do a free vibration analysis for a plate. In this research, I want to use the Ritz method. For Ritz-shape functions, which are the best polynomial functions that give the most accurate...

10 April 2019 2,612 5 View

Can I still publish a paper if there is something rather similar in a patent?

I've tested a variety of reagents for the synthesis of a compound and found one that has never been used before and yields a good product. after my experiments i did some research and came across...

04 September 2018 5,726 3 View

What does a higher (or lower) soil sorptivity indicate?

sorptivity is defined as the capacity of soil to absorb or desorb water by capillarity. but what does higher sorptivity mean? does it mean the part of infiltartion that depends on capillarity...

30 July 2018 4,467 4 View

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23 February 2021 4,014 3 View

Is ANSYS Fluent good for simulation of a three phase reactor(stusy of its hydrodynamics or mass transfer...)?

Hello everybody, I would like to simulate a three phase reactor and study its hydrodynamics. I would like to know which type of software is better? I have a good command of ANSYS Fluent and I am...

10 February 2021 4,303 3 View

How can you attach polyurethane devices on glass slides?

I am making microfluidic devices made of polyurethane. The problem I am facing is that I am unable to attach these devices to glass slide even after plasma treatment (air plasma). Some of the...

28 January 2021 5,194 2 View

How do I dissolve a TPU (Texin RxT85A) in THF?

I want to make a 6% solution of Texin RxT85A in THF. I weighed the necessary amount of Texin resin and mixed at room temperature with THF with the help of a wooden stick, this did not work at all....

18 January 2021 9,080 3 View

Is there an alternative, more ecological solvent for shape memory polyurethane other than N, N-dimethylformamide (DMF) ?

As DMF creates problems for environmental aspects, we are looking for an alternative solvent for potential commercial end use applications of SMPU.

25 November 2020 8,728 3 View

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When producing a recombinant protein, harvested E. coli cells are normally refrigerated for 12-24 hours before homogenization to ensure protein inactivation due to foaming does not occur....

16 October 2020 7,373 0 View

How do you extract DNA from buccal swabs submerged in 70% ethanol using Qiagen DNeasy Blood and Tissue Kit?

Hi, I collected buccal swabs (cotton and foam) from nestlings and adult birds and stored the swabs in 70% ethanol. There are few different protocols on the web but I am wondering if anyone has a...

11 October 2020 6,103 3 View

What does over foaming correspond to in E.coli fed-batch fermentation?! How does foaming relate to cells metabolic status?

I'm currently experiencing overfoaming in my E.coli culture. My cells are used to produce a recombinant protein. The basic cell strain is BL-21 DE3. After changing my carbon source brand i am...

06 October 2020 3,946 3 View

What is the influence of the mold release agent on sound absorption properties of polyurethane foam ?

I'm an intern in a big company which makes flexible polyurehane foam for the automotive sector and I'm working on sound absorption properties of PU foam. I'm not chemist so I'm trying to improve...

23 September 2020 3,765 4 View

Which damage criteria should be used for nonlinear viscoelastic behavior?

Hello, I am building a material model for a nonlinear viscoelastic polymer in ABAQUS. For the beginning I just want to simulate an uniaxial tensile test. But now I want to know which damage...

13 September 2020 6,606 4 View