Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

How long does it take for MCF-7 cancer cells to adhere to the microfluidic surface? Is 24 hours enough?

Hello everyone. We have cultured MCF-7 cancer cells in microfluidics several times and incubated them for 24 hours, but as the nanomaterial passed through the cells, the cells moved and no cell...

05 September 2020 7,292 3 View

Should Quartz powder or Sand water absorption be considered for UHPC mix design calculations? How is the water absorption of the powder calculated?

07 August 2020 1,592 1 View

What does scale.factor do exactly in LogNormalize function in R and why it is 10000 by default?

Hi, In LogNormalize function feature counts for each cell are divided by the total counts for that cell and multiplied by the scale.factor prior to log transformation. My question is what does...

26 July 2020 1,980 2 View

How to use all of CPU capacity for Analysis in Ansys mechanical Apdl?

Hello. Im using Ansys mechanical Apdl for timehistory analysis. I want to use all of Cpu's cores in this process. Help me please to do that with your guidance. #ansys #cpu_capacity

23 June 2020 7,600 3 View

How to simulate a porous media which is opaque to thermal radiation in Fluent Ansys?

Hello I am trying to model a porous zone in Fluent (the fluid in void is air) which is opaque to thermal radiation. If I set it as a porous zone with air as the media, Fluent treats it as a...

31 May 2020 7,450 2 View

Critical thinking assessments?

i'm trying to find a comprehensive explanation of most -if not all- of the instruments proposed to assess critical thinking skills and abilities. i will appreciate if you could introduce them or...

29 May 2020 5,717 5 View

How can I merge a slope raster to Land use-HSG shapefile in order to produce Curve Number in GIS?

Hi every body: I'm trying to calculate Run off Curve Number in GIS, first of all I need to merge my Land use-Hydrological soil group shapefile with Slope raster of my study area to produce CN...

19 April 2020 4,587 3 View

Does the presence of clones on the agar plate mean that the cloning has been done successfully?

I did cloning. it was like a traditional approach. Firstly, Restriction digestion was performed for both vector (8kb) and target gen (700bp), and also the vectors and target gene were run on the...

21 March 2020 9,618 4 View

What is the role of the fractal dimension(FD) in the analysis of a dynamical system such as Russler's?

According to the articles, we use fourier transform to compute power spetra density(psd) in spectral analysis , Sm = psd = lim {2|Ym|^2 /( N * delta) }, m=1,2,3,..., N / 2 psd is a function of...

03 March 2020 2,318 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 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

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 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

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View