Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Efficiency of Proximity Feed Patch Antenna ?

Greetings to all of You! I have searched some research papers for the designing of a proximity coupled patch antenna. Researchers are talking about the impedance bandwidth of the antenna but...

24 February 2021 7,662 3 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

What is causing the raw fluorescence to be negative?

Hi everyone, I would really appreciate it if someone can tell me when and why a raw fluorescence starts below zero. In the picture attached below the blue colour curve starts from a negative...

09 February 2021 4,642 3 View

How to match the XRD of a compound for which there is no JCPDS file ? Is there any other characterization to claim the synthesis of desired compound?

I have synthesized LiMgF3 using the starting precursors LiF and MgF2 via solid state diffusion method. Now I am looking for some characterization to claim the desired product, as there is no...

09 February 2021 921 3 View

Can anyone suggest me broad host range fluorescence expression vectors for Gram-positive bacteria ?

Hi everyone, I am looking for fluorescence expression vectors for expression in gram-positive bacteria present in the skin microbiome. I need to tag them with a fluorescence marker and observe...

06 February 2021 2,566 4 View

Are the hyperspectral image datasets which are publicly available at ehu.eus website atmospherically and geometrically correct?

I've come across a couple of publicly available hyperspectral image datasets from the website http://www.ehu.eus/ccwintco/index.php/Hyperspectral_Remote_Sensing_Scenes Now, my concern is...

05 February 2021 3,550 1 View

Any recommendations for open-source survey form builder, which has option for semantic differential scale questions apart from Likert scale?

Asking this as Google forms doesn't allow multiple items in a semantic differential format.

04 February 2021 5,869 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

What is the best etchant for severely deformed, high purity magnesium?

I have tried using acetic picral and 5% nital solution when observing the microstructure of severely deformed pure magnesium. Unfortunately, I keep getting similar microstructures (as shown below)...

20 January 2021 8,783 4 View

How do I know the parameters for calculating the dislocation (edge and screw) density from XRD?

Especially the C12, C44, and Ai values for ferrite pearlite microstructure. Thanks

19 January 2021 9,035 5 View

Density homogenization in Multiscale modelling?

Hello, For now, I am following the integrated technique to derive the mass from the smaller scale (microstructure). Is there any better approach to get the mass of a given macro-structure from...

16 January 2021 4,792 1 View

Control in microstructure with growth inhibitor?

Dear researchers, I wish to understand the role of grain growth inhibitor in controlling the microstructure of the ceramic pellet. How it controls the growth? Also, I wish to know the grain...

15 January 2021 3,859 3 View

Spread cheese micrograph SEM Analysis. What is this white dot marked with an red arrow?

In this micrograph you can see processed cheese spread with buttermilk powder taken by SEM. I suppose it can be the result of interactions between proteins and the buttermilk powder used as...

13 January 2021 7,429 7 View

Is there retained austenite in the microstructure of Inconel 718?

I am doing research on Inconel 718 and I need to learn the answer to this question to make certain information. Is there a possibility that retained austenite in the microstructure of Inconel 718...

12 January 2021 670 2 View

What is the main role of hydrostatic and quasi-hydrostatic pressure in severe plastic deformation (+2 Additional Question)?

1. What is the difference between hydrostatic and quasi-hydrostatic pressure? 2. Are all SPD techniques providing this pressure? As Zhilayev et al. mentioned, Multi-directional forging (MDF) not...

24 December 2020 2,075 7 View

How do you characterise stainless steel 17-4 PH microstructure fabricated by selective laser melting?

Hello everyone, My project is to investigate the microstructure of stainless steel 17-4 PH fabricated by selective laser melting. SS 17-4 PH is predominantly a martensite matrix with some...

20 December 2020 4,037 4 View