How to fix the voids on a floodplain map by using HEC_RAS model?

24 January 2021 9,054 2 View

What are the first steps to learn to write meta-analysis ???

any suggestions for beginners ???

31 December 2020 3,055 4 View

How can we guide students towards active learning? What are the activities for such practices?

I am asking this in relation to practice in active learning in physics education in context of Nepal's education system where we highly focus on content based and rote learning.

02 December 2020 6,686 3 View

How to create a index using principal component analysis?

Hi All I need your guidance on how we can combine multiple variables and develop one index. The goal is to have a index based of which we can plan for staffing. The variables are: daily patient...

21 October 2020 422 6 View

How to remove abnormal behavior at support of FE model of RCC Beam?

Hi, I am modelling a half model of RCC beam in ANSYS Mechanical APDL. The model I have created is exhibiting abnormal behavior at the support with abnormal cracks. I would be grateful if you...

12 October 2020 8,596 3 View

How are Spatial Cognition and cartography interrelated? What are their major uses and functions in field of cartography?

Major details about their interrelations, their major uses and functions.

22 September 2020 9,796 4 View

How to effectively extract DNA from dairy cattle's milk?

Does anyone have experience of extracting DNA out of dairy cow's milk? I am interested in the DNA present in the B-cells. I have done extraction from blood but want to try extraction from milk. I...

02 September 2020 3,536 5 View

How to calibrate the parameters of coupled damage-plasticity microplane model of concrete for FE modelling of RCC beam in ANSYS Mechanical APDL?

Hi, I am trying to model an RCC beam in ANSYS Mechanical APDL. I have the value of Compressive strength, and modulus of elasticity of the concrete of the experiment I am trying to validate ? Can...

28 August 2020 4,623 2 View

In what concentration should i preserve bovine PBMC in 10% DMSO 90% HS for B-cell count via flow cytometry later on?

I want to preserve bovine PBMCs for doing flow cytometry later on. It doesn't seem feasible to count PBMC cells for preservation as there will be lots of samples. Is resuspending the PBMC pellets...

07 July 2020 8,228 2 View

Is ehtical clearance mandatory for research?

Is ehtical clearance mandatory for research? As far as I understand where you have sensitive design and experiments or issues related to human and animals, there only you are required to go with...

23 May 2020 538 6 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

How to make Fast Green FCF from powder?

Hi everyone We need Fast Green to electroporate plasmid into mice embryos, therefore we simply need it to see some color in the liquid we are electroporating so that electroporation is more...

07 February 2021 1,671 2 View

How to best engender critical thinking in K-12 education?

From my observations, there appear to be three principal avenues to engender critical thinking in education K-12: debate; mathematics, and science. For some students, all three avenues are...

04 February 2021 9,605 7 View

Which is the best software for the simulation of tribological properties of materials?

I want to simulate the tribological properties of solids, liquids, and fluids, please suggest good software.

02 February 2021 3,947 3 View

Does anybody work with CoolLED in fluorescence microscopy?

I have trouble with exciting wavelengths higher than 460 nm while e.g. ex with 405 nm works. Filtercubes are correc, as I used them with my old xenon lamp before... I work on axiovert200M and with...

25 January 2021 5,201 2 View

How to prepare a liquid sample for FTIR spectrum?

I have a ethanol-water 50% extract of mango peel. I purified mangiferin from the extract with filtration and precipitation. so i obtained a low concentrated extract which i want to se the IR...

24 January 2021 8,880 7 View

Why high voltage and current (and some gases) Cause Spray-mode metal transfer in Gas-Metal Arc Welding (GMAW)?

This transition phenomena of Globular to spray mode as voltage , and especially current is raised, is very commonly known to Manual Metal Arc Welding (MMAW) and Gas-Metal Arc Welding (GMAW)...

20 January 2021 7,984 2 View

Can you have pressure inlet and velocity inlet at the same time?

I was reading a reference (Reitz-A Photographic Study of Flash Boiling Atomization). In his experiment, his boundary condition is delta p and constant velocity. The liquid injection pressure was...

18 January 2021 842 9 View

Does anybody know about literature on protest and post-conflict processes/societies? What would you recommend?

I am trying to start a project on the subject and your help would be appreciated

18 January 2021 2,190 6 View