How to regenerate PES Membrane of centrifugal filtration tubes having 5 and 50kDa MWCO?

Dear Collegues, I am using a relevant number of centrifugal filtration tubes made of polyethersulfone (PES) with 2 different MWCO, 5 and 50kDa for separation of protein in milk. They are quite...

15 December 2020 7,951 3 View

How to sterilise maize seeds in the lab?

What is the most effective protocol to sterilise maize seeds in the lab? We have tried few common procedures but with no luck (still get fungus contamination on agar plates): 1)10% sodium...

19 November 2020 602 15 View

How I can simulate solid state sintering?

I want to simulate solid state sintering of metal powder, conducted under vacuum. I am interested in the initial stage of sintering, does not matter to reach full density. Do you know any model or...

24 September 2020 7,383 5 View

Is there a good library to perform Petri net simulation in python?

Hello, I have designed several petri nets for my research. I am wondering how can I simulate them and gather system performance measure (eg sojourn times, throughput) using python? Is there a...

11 May 2020 2,120 2 View

What are the relevant economic, technical and environmental aspects of the recycling of batteries for automotive applicantions?

A paper review. Could you please provide some researches about the topic?

28 April 2020 946 5 View

Difference between photovoltaic plant short-circuit current and synchronus generator short-circuit current in AC transmission system?

Hello, I understand that photovoltaic plants are able to disconnect very quickly if there is a fault in the grid (cause power electronics), while synchronus generators cant disconnect due to his...

30 October 2019 8,457 5 View

Psychic salience has been studied in his correlation with psychosis.What about psychotropic drugs effect?

Some drugs seems to raise the feeling of psychic salience while others dont.

20 September 2018 3,556 1 View

In psychotic patients, psychotic features of the speech can vary their gravity during an interview. What do you think can be the influential factors?

In my view, these factors can be: the emotional meaning of the theme for the patient, anxious sympyoms caused by the situation or the interviewer, a relatedness feeling with the interviewer, a...

03 September 2018 303 3 View

Which assay to detect human serum levels of anti-troponin-I, anti-troponin-T and anti-tropomyosin antibodies?

We are currently using indirect ELISA to measure human serum levels of anti-troponin-I, anti-troponin-T and anti-tropomyosin antibodies? This indirect ELISA is not sensitive enough for our...

23 May 2018 6,546 2 View

Ksp in aprotic polar solvent , any idea?

11 May 2018 2,772 2 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View