Interesting BuLi reactions?

Dear colleagues! At the moment we are looking for "nice" reactions employing BuLi solutions for our practical training at the university. We aim to expand our five standard BuLi reactions to a...

08 December 2020 6,481 10 View

Are the particles well dispersed based on my results below?

What I want to do: I have a colloidal dispersion which comprises silicon dioxide (SiO2) particles (diameter=450nm) and poly(ethylene glycol) and want to confirm that the SiO2 particles are well...

16 November 2020 817 16 View

Methodology Design Feasibility / Ideas for Methodology?

Hi, I am trying to come up with a methodology to better understand how effective are SETs at evaluating faculty performance in the classroom? I was thinking about a design in which a faculty...

09 November 2020 156 3 View

The response rate of the highly cited journals to the topic COVID-19?

Dear member, Does anybody knows that Highly cited Journals is faster responding to submission with COVID-19 topic (Especially Economics Journals), and what is the average time for response? I...

26 October 2020 7,888 8 View

Do you know of a researchable topic within course evaluations?

Hi, I am writing my dissertation and I am doing it on course evaluations. I have always wondered what happens to them after students click "submit". Do they inform practice? I believe that if...

11 October 2020 2,634 4 View

Any advice on running quantum espresso on a single Imac??

I have been using VASP for years now and wanted to try out QE on my home IMac since it's open source. Does anyone have any advice?? I recently wiped and reinstalled the OS on the mac so it is...

29 September 2020 5,195 2 View

Do you know of publications reporting fisheries post-release survival rates of marine turtles?

We are compiling publications that estimate marine turtle survival following release from fishing gear. We've identified a handful of relevant pubs and hope to identify a few more.

17 September 2020 3,194 6 View

How can I save one image from an image stack?

Hi, I've received a TIF file comprising 20 images (yes, 20 images compiled in one TIF file).. I can view the 20 images with windows photo viewer but I can't save the image I want.. Please help me....

06 August 2020 5,043 3 View

I have a 5-year combined crash data (2013-2017). What representative traffic volume data should I use for crash frequency modeling?

I have a 5-year combined crash data (2013-2017). What representative traffic volume data should I use for crash frequency modeling?

28 April 2020 3,064 1 View

Why do different methods in python, result in different values of zero??

I am using numpy in python along with the linalg package to solve for the eigenvalues and eigenvectors of a 2x2 matrix. I also did this by hand, and coded the brute-force algebra step by step to...

23 March 2020 9,411 2 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 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