How or where can I get the crystallographic information file (CIF) for PCN-222 MOF?

I need the simulated XRD pattern of PCN-222 to compare with experimental data. Thanks.

19 February 2021 4,932 3 View

How can I obtain the expansion orbital coeffiecients in Hartree Fock program?

23 December 2020 6,756 3 View

4D rotations and rotors.. can a general expression be derived?

I recently asked in math stackexchange a question regarding 3D rotations in geometric algebra https://math.stackexchange.com/questions/3922021/angle-and-plane-of-rotation-in-3d-geometric-algebra....

07 December 2020 5,630 26 View

How to compute pressure drop on liquid ammonia line?

I have to analyze an existing ammonia line to estimate the pressure drop in it. The line is designed to transport liquid ammonia. I can compute the pressure drop with standard friction factor...

21 November 2020 5,494 3 View

Does anyone know of a qualitative research article that addresses the role of the CEO and/or Top Management Teams in ambidextrous strategies?

I am interested only in papers with a qualitative approach to explore the link between personality of top management team human resource management (including the CEO) and open innovation. Thanks...

19 November 2020 1,785 7 View

In R software, how to restrict geographical area only to the coastline / intertidal zone?

Hello all! I'm trying to conduct an SDM analysis in R regarding a species which only occurs in the intertidal area. I need to be able to restrict my geographical range to a range of points in...

13 November 2020 351 9 View

It is said that Faith and Science are frontally confronted, a good Scientist cannot be a Believer or practice any Religion or Religious Belief?

The relationships between Science, Beliefs and Faith have always generated a heated debate (which has reached popular opinion) leading to think that they are irreconcilable concepts and that a...

26 October 2020 2,389 99 View

SDM and intertidal species?

Hello all. I have a technical question regarding species distribution models on intertidal species. The main issue here is the fact although the species in question are associated with intertidal...

12 October 2020 2,108 2 View

Hot to convert s-1 to cm3 molecule-1 s-1 in kinetics?

Hi all, I have a conversion problem with rate constant calculations. My start point is the isoprene molecule with a chlorine atom bond to C1. I want to obtain the rate constant of: isoprene +...

27 September 2020 3,192 3 View

Should antiandrogens and / or TMPRSS2 protease inhibitors be given in adult patients without prostate cancer and also in women? Only in men? Never ?

As we know, not long ago the WHO named Wuhann Pneumonia (SARS-COV 2): Covid-19 (from Coronavirus Disease 2019), which has become a serious pandemic and health emergency with multiple pathological...

21 September 2020 4,618 13 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Does anyone knows about a really easy but still comprehensive ImageJ tutorial?

I am new to this software. I am in need of analyzing images from ocular ultrasounds (black/white) and find a way to quantify the internal reflectivities from the vitreous cavity in cases of...

16 February 2021 4,238 2 View

Where can I find a dataset for kidney stones images (CT or ultrasound)?

I want to apply neural network on kidney stones images (whether its CT images or ultrasound) to determine whether the kidney has stones or not.

02 January 2021 9,938 3 View

How to convert mV output into MPa?

I am working on acoustic characterization of microbubbles using two transducers arranged at 90 degrees. During calibration, I am receiving response in dBm or mV. How I can know the PNP of my...

14 December 2020 1,814 5 View

How can i increase the power of the ultrasonic pizeoelcetric sensor to atomize a viscous liquid?

I use a piezoelectric sensor, a humidifier electronic circuit and a 32-volt power supply to generate high-frequency ultrasound waves. I use these waves to atomize the liquid. the problem is that...

16 October 2020 5,097 8 View

How to extract patient specific 3D geometry from GE Vivid E95 3D/4D echo?

I am needing to obtain patient specific geometries of the left ventricle for use in CFD and 3D printing. Does anyone know how to do this using 3D/4D echo obtained from the GE Vivid E95? Does this...

29 September 2020 2,614 3 View

Does anyone have the 3D datasets of ultrasound images of breast cancer or lung cancer?

I need the datasets for my research purpose. I want to do 3D segmentation on 3D ultrasound images.so I looking for 3D ultrasound images datasets.

16 August 2020 9,675 3 View

Can anyone explain how intense ultrasound of carbon nanotubes affects the intensity and position of its Raman spectrum?

Does the Raman peaks of carbon nanotubes under strong ultrasonic waves with a duration of more than an hour shift to higher or lower wavelengths and why? Can very low amounts of these sonicated...

12 August 2020 8,276 5 View

What is the Effect of frequency on cavitation and a sonochemical synthesis ?

I have been trying to read up a bit and find a plausible explanation to link of higher ultrasound frequency to the cavitation phenomenon and its effect on sono-chemical reactions. Does it promote...

04 May 2020 4,932 5 View

Could ultrasound produced by bats protect them from coronovirus?

18 April 2020 7,990 3 View