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

Rdf of atoms from a COM or point in lammps or VMD?

Hello all, as I understand there isn't any straight way to get an rdf of atoms from the center of mass or a coordinate of specific atoms in lammps. I wonder if anyone know any trick or way to get...

16 February 2021 2,517 2 View

Could anyone help me about my problem with getting current in armchair MOS2 nanoribbon in transiesta?

Dear siesta users I am using transiesta code to get the I-V characteristics of Armchair MoS2 nanoribbon as scattering (with 8 unit cells) and electrode material. All the calculations (electrode,...

12 October 2020 4,306 6 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

About use of Fluoranthene as standard in HPLC?

Dear all; I want to work on the ecotoxicological effect of PAH (fluoranthene) on different organism species.... But I can not find its analytical standard in my country, Can I use Flournthene 98%...

05 July 2020 2,736 7 View

What kind of dialysis cassette is needed for CaCl2 in silk fibroin dissolving?

Hi! Recently, I am working on silk fibroin extraction for biomedical application. I have some problem in details of extraction and dissolving of silk fibroin. For example, I don't know what kind...

26 June 2020 3,927 1 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

What kind of dialyses cassette is require for extraction of silk fibroin base on nature protocol 2011 (Attached in following)?

I have some question about the laboratory process of extraction silk fibroin from Bombyx mori base the Prof. Kaplan protocol. How much Silk cocoon need for 20 experiments? How dialyzes the final...

15 June 2020 8,694 1 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View