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

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View

Compute for the total volume of concrete needed for the concrete pouring of the foundation including its column up to NGL only as shown in the plan?

Looking for the quantity of cement, sand, and gravel of footings and columns. Thank you!

25 February 2021 3,092 2 View

How can we classify building material such as various cement using there spectral reflectance curve using deep learning ?

if i want to classify opc, ppc using there hyperspectral data and deeplearning how should i do it. please tell name of any pretrained network that can help via transfer learining.

11 January 2021 4,634 3 View

Rietveld refinement of cement paste?

I am a beginner in rietveld refinement, my samples contain numerous overlapped peaks and amorphous phases. I have few doubts related to rietveld refinement of cement paste: 1. My quantifications...

11 January 2021 8,873 6 View

Is concrete block bricks eco-friendly?

Concrete block bricks companies are marketing that their products are eco-friendly, as they are not emitting carbon dioxide and not using soil. At that viewpoint, they are right. But,in their...

04 January 2021 5,641 8 View

What is the loading rate of compression test of cement mortar cubes?

I will conduct compressive strength test of cement mortar cubes, according to ASTM C109, the loading rate should be in this range (900-1800 N/S), but we have UTM that have displacement-controlled...

29 December 2020 2,832 3 View

HowScholarships, Fellowships and grants in Materials engineering for international students to study abroad?

On Line student doctorant looking for first Master PhD student doctorant as UNICAF now in Materials engineering for international students to study abroad on Line and To Bricks LTGS and To have...

10 December 2020 3,686 3 View

A Hybrid accountant and the Fourth Industrial Revolution(4IR), redefining the business advisor and value addition?

Can anyone provide viable research questions on the following; Formulate the PhD Questions from the elements below: Effect of the 4th industrial revolution - On the Accounting profession - And...

03 December 2020 5,533 4 View

What is the good water absorption value for construction materials (brick, mortar etc.)?

According to many construction standards such as ASTM, a good construction material should have a water absorption value within 20%. However, if we compare with many water absorption values (from...

26 November 2020 8,538 8 View

Removing of sticky phases of cement from alumina crucible ?

How to remove the sintered material which has been fully stuck at the base of alumina crucible? It is synthesized as stone like material after sintering at 1400 deg C. Should any other kind of non...

28 October 2020 6,380 2 View