Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

How do I know if my GLM using selection of models by Akaike Information Criterion is ok?

I'm trying to see the isolated and combined effects of precipitation and three different human disturbances indexes are having an effect on the growth of a cactus. I have a gradient of eight...

16 May 2020 5,868 5 View

How to interpret TGA degradation temperature shifts in encapsulated essential oil?

Hi, I am encapsulating essential oils in silica mesoporous nanocapsules. I performed a TGA just with the essential oil and another one for the silica nanocapsules loaded with the oil. I identified...

23 April 2020 3,069 1 View

No title

I took four slides out from -80 freezer. Then I realized one of the reagents was over but I couldn't see it before because the container is dark. What can I do? Do another staining or can I...

25 July 2017 7,733 3 View

Start programming in Julia?

I want to start programming with Julia, what would be a good starting point? Any book, online free course or recommendation?

05 June 2017 7,781 2 View

We are interested in electronic devices that measure the diameter of the trees daily and communicate with data logger. What are the best devices?

09 October 2015 6,788 6 View

Does someone know the range of malondialdehyde of a plant of rice under heat stress?

I'm working with high night temperature in rice. In some articles I find a range of 20-200 nmol g-1 fw and others a range of 2-50 nmol g-1 fw. Are these ranges correct?

19 March 2014 5,109 3 View

How to interpret an absortion peak around 220 nm in a silver nanoparticle solution?

I've synthesized silver nanoparticles via sonochemistry. In addition to the well known peak around 400 nm, I've observed another one around 220 nm which do not correspond to any of the reagents...

17 June 2013 9,142 27 View

Which assay at plant level is better for screening if bacteria have plant growth promotion activity?

Plant species? Conditions?

16 May 2013 9,294 5 View

Quantitative triangulation with the SPSS

Greetings Dear colleagues, I hope you are very well. Someone could guide me about an example or process of quantitative triangulation with the SPSS _ .. Thank you very much ...

01 January 1970 2,636 13 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 View