Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

In opensees is the ReinforcingSteel material sensitive to units of measure?

20 January 2021 7,043 2 View

Could you help with a doubt regarding UDF velocity inlet profile with multiphase mixture (Ansys Fluent)?

We are two undergraduate students seeking for help!!! We are trying to simulate a laminar flux through a 3D pipe (25 cm long, 2 cm of diameter) consisting of a multiphase flux (air and water). We...

23 November 2020 3,918 3 View

How to generate pulsed laser from CW laser?

I was wondering if it could be possible to modulate a CW laser to pico/nano seconds pulsed laser somehow. I need to generate that condition to pump DFB polymeric lasers. Probably using...

16 November 2020 7,601 3 View

Which dose do you expose RAG1 deficient mice for lethal-irradiation?

Hello, I'd like to apologize for my English in advance, I'm still trying to polish it. We are performing several bone marrow transplantations (BMT) or fetal liver transplantations (FTL) to...

05 November 2020 4,239 1 View

How can I obtain the cohesive energy density and solubility parameter for a crystal using the Materials Studio software?

Hello, I am currently analyzing properties of some minerals such as Bi2O3 by MD using Materials Studio, I need to obtain the cohesive energy density (CED) to obtain the solubility parameter,...

02 November 2020 4,356 1 View

Grounded theory or Interpretive phenomenological analysis? Which is best for dissertation studying perinatal mental health?

I am curious what the differences are between using grounded theory or interpretive phenomenological analysis (IPA) for my dissertation. I am seeking to both complete my dissertation for...

29 October 2020 3,066 4 View

How to calculate grain size if FWHM of Lorentzian contribution is nearly zero and lower that FWHM of instrument?

I want to calculate grain size and microstrains. I fitted my peaks with a Voigt function but the FWHM of the Loretzian contribution resulted to be nearly zero, lower than the FWHM obtained from...

28 October 2020 2,578 1 View

How to validate CNVs (deletions and duplications) in human samples by qPCR?

Hello, I am interested in the validation of CNVs (deletions and duplications) in human samples by qPCR. We are trying to validate the primers for the experiments, but the primers are not working...

21 October 2020 5,896 2 View

How to convert saturated fatty acids into unsaturated fatty acids?

Suppose you have a mixture mostly comprised of saturated fatty acids of carbon chain length C10-C20. Is there a process to convert them to unsaturated fatty acids? The opposite process is well...

11 October 2020 2,955 4 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 3 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

How to properly calculate the fluid solid heat transfer between polypropylene matrix and glass fiber in a porous medium?

I'm building a cfx model of thermoplastic pultrusion process on ansys and i have a doubt on how is the proper way to set this parameter in a porous medium

24 February 2021 1,915 1 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

How to properly calculate Interfacial area density in a porous domain?which are possible value for glass fiber?

I'm doing a cfx simulation of a multiphase flow in pultrusion and i set the Interfacial Area density in the heat exchange of a porous medium in this way IAD=Total fiber lateral surface of fiber...

23 February 2021 6,043 1 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View