Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Why are the two terms -research methods/research methodology - used interchangeably?

Two terms - research methodology and research methods - in research methodology books are clearly differentiated. Yet, these terms are loosely used in many research articles; particularly in the...

13 December 2020 6,147 7 View

Is folic acid cytotoxic to human kidney cells ?

My group is interested in folic acid cytotoxicity in human kidney cells. Are there any reports available showing toxic effects of FOLIC ACID as in the case of mice kidneys? Any insights will be...

19 October 2020 2,273 3 View

What tests can i run to see if the distributions of the training set and test set data are similar?

I have two datasets from different sources: One is training and the other is the Test dataset. I extract features from the training set images and train the model. The trained model is then used...

16 June 2020 7,737 1 View

Would you please be kind to share the possible ways to quantify the amount of mucus in the airway in the picture attached below?

I tried imageJ but ImageJ threshold option could not isolate the color of the airway only.

20 May 2020 8,792 2 View

What might be the reason for High OD of background in TNF alpha ELISA?

My protocol of ELISA is Capture Antibody coating (4 micrograms per ml) incubation overnight. Blocking (1% BSA in PBS) incubation for 1 hour. Sample loading (100 microliters of BAL fluid diluted in...

22 April 2020 3,577 3 View

Can anyone suggest a better method to grind wheat seeds for total RNA isolation?

I used mortal and pestle to grind the seeds in liquid nitrogen however could not get fine powder and so obtained a lower RNA yield.

20 October 2019 7,036 1 View

How to interpret the results obtained from X-ray diffraction (XRD)?

I prepared the gold nanoparticles using plant extract and characterized using XRD. Result displays four prominent diffraction peaks indexed as (111), (200), (220) and (311) miller indices which...

28 June 2019 7,767 10 View

Which software use for making cif file of different materials???

i m doing work on semi conductor alloys i can not find a cif files of some materials..pls help me out.

29 April 2019 5,857 3 View

Can ALE be applied to composite structure in Abaqus CAE. if yes then how can we do it ?

it shows an error 1.adaptive meshing is not supported in any elements in this domain. 2.adaptive meshing contraints can be specified on adaptive mesh domain.

10 March 2019 6,460 1 View

Blast analysis of RC,UHPC slabs using material model *MAT_72R3 in LS-DYNA?

20 February 2021 5,984 3 View

Do you have any suggestions for me to modify my LS-DYNA model?

Hi, I use LS-DYNA to simulate the steel composite shear wall now. I use MAT_084/085 to simulate concrete, MAT_159 to simulate steel plates, and MAT_024 to simulate studs. The concrete section...

24 January 2021 3,863 1 View

I am trying to run a simulation on LS-Dyna and I am facing the error below with Nodal rigid constraints. Can anyone tell how to fix it?

*** Error 20393 (STR+393) Nodal rigid body ID 85000010 contains node ID 83500180 already used in a rigid body/nodal rigid body definition.

20 January 2021 2,019 1 View

Why does the impact force of barge pier collision suddenly increase to the peak value in finite element simulation?

I am learning the knowledge about barge pier collision these days, and have a problem that the impact force of barge pier collision suddenly increase to the peak value in ls-dyna. But the...

05 December 2020 9,978 3 View

Extracting Stiffness Matrix From LS-Dyna?

Hello, I am actually trying to optimize an armour plate for now. For this purpose, I need the stiffness matrix of the plate. While I can write a Matlab code to compute this it will be hard to...

02 November 2020 7,213 3 View

How to model deformable metal powder?? How to define gap between the particles?? Which modeling software can be used??

We need to model deformable metal powder. It will be further used in simulation process.

30 September 2020 9,329 7 View

How can I define 2 inlet and 2 output segment for X shaped Copper Conductor with same Applied Voltage ?

Hi, I am working on a diamond shaped Copper Conductor using LS Dyna EM Multiphysics Solver. I am able to run when I have a simple one inlet and one outlet (pic of results attached for a unit...

12 September 2020 2,877 1 View

Discrete Element Method Simulation Example Using Ls-Dyna?

I am interested to simulate the fracture process of glass using DEM in Ls-Dyna and need some example or bench mark case for learning.

21 July 2020 4,156 2 View

How can I model a simple plate-sphere impact in LS-Dyna as symmetry quarter model?

I want to model an impact simulation of the sphere at the center of a solid plate. How can I model it as quarter symmetry model? Full model snapshot attached.

20 July 2020 2,221 1 View

How to simulate dynamic problem with large process time almost 60 sec?

Dears i am trying to simulate friction stir spot welding process, it is process very similar to drilling process but with different tool, i need to know the effect of process time on the heat...

13 June 2020 1,052 3 View