Am I doing the mixed ANOVA right wnen there is many missed values?

01 February 2021 4,695 7 View

How to take into account the high resolution of the x-ray difractometer?

At small angles or in case high collimation, the peaks become anisotropic and with a Lorentz addition. The resolution describes correctly only with adding Lorentz and anisatropy parameters. It...

26 January 2021 5,829 4 View

Meshing a point could and exporting it into an *obj file format?

Anyone, any idea which software will better handle a point cloud to ---> triangular mesh generation with an option to export it into the *obj format? Thanks

01 April 2020 8,459 3 View

How many errors are there in SciFinder and other CAS databases?

14 February 2020 3,016 3 View

I need a rewiew of thermodynamic calculations of my preprint - who can help ?

I have a preprint here: Energy from humid air: reinventing the tornado I need to find the thermodynamics specialist to make a review of the calculations. It is about 600 lines of VBA code in MS...

26 March 2019 8,789 2 View

What metrics are using to compare detection methods?

Hello! In my researches I work with face detection compare methods (on Viola-Jones example). But I still have not found face detection metrics survey (or something like), or object detection...

21 June 2018 4,874 9 View

Dear colleagues, are there any opinions about the modern concept and prospects of development of "Noogenesis"?

05 June 2018 2,310 10 View

Why our universe is nearly flat?

At present, the geometry of the universe is only slightly different from the Euclidean model. This imposes very strong limitations on the curvature of the universe in the early stages of its...

11 April 2018 981 16 View

Are there automatic force field generators/services comparable in quality to OPLS?

What do you think about SwissParam, MolMeccano, GAAMP?

03 September 2017 1,499 4 View

No title

I believe that this species of subfamilies Epilachninae from Africa (Uganda)

08 January 2017 8,811 10 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

What condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

QPCR tubes for Roche Lightcycler Nano?

We own a small cPCR thermal cycler from Roche, Lightcycler Nano, which is convenient for backup quick runs. Recently, Roche has discontinued the plastics for it and they offer no alternative from...

17 February 2021 8,694 5 View

How can a reference point be fixed to an attachment point in Abaqus?

I am currently trying to copy an assembly feature, that is present in an old version of the model I am using, onto a new model. The feature is a reference point that is fixed to an attachment...

16 February 2021 8,872 2 View