What is the detection limit of ED-XRF technique for transition metals in silicon ?

Hi everybody, please, can someone tell us if the transition metals (W, Fe, Ni, etc ...) in silicon destined for solar cell manufacturing can be detected by ED-XRF technique. Note that the...

18 February 2021 6,231 4 View

How can I get good bands by silver nitrate staining on SSCP method?

Hi Dear colleagues This was my first experience on SSCP, and I couldn`t get any band by silver staining! Staining with Et Br was successful. I mixed the PCR product with formamide loading dye,...

01 February 2021 8,788 6 View

How can I obtain a thin film of PDMS liquid?

I would like to prepare a thin film from of PDMS liquid. My current attempts with solvent casting, then let it dry for 24 hr at room temp. after I tried to recuperate and it doesn't work. Any...

08 October 2020 8,745 4 View

Can I use figures from my published paper without reference to the source ?

Dear researchers, Recently, my paper got published in a journal. however, i have used two figures from this published paper without reference to the source, in other paper (current statut:...

02 October 2020 2,708 5 View

Should unlimited vacations be generalized?

A few days before the start of the new school year, would you like to take a few more weeks of vacation? In some companies, this is possible thanks to unlimited vacations. Based on individual...

25 August 2020 7,621 12 View

Should the Russian Vaccin against COVID-19 be approved and produced in Octobre Or it must be backed up with more studies?

09 August 2020 2,291 7 View

How much accurate is the cropland area sourced from FAOSTAT?

Along with other statistics, FAOSTAT provides the cropland area for all countries (in 1000 ha). These estimates were used by many scholars to assess their cropland maps' quality (the closer of the...

06 July 2020 7,965 2 View

Where to find UHF RFID tag development Kits?

Hello, I am looking for an RFID tag development kit. I can see development kits for the reader but there are no kits for the tag. I need a kit that has a separate modulator, charging circuitry,...

17 May 2020 9,221 7 View

Is there a need of SeqScape soft ware and Variant reporter soft ware in MLPA data analysis process ?? Or it is only the coffalyser which is needed ?

Is there a need of SeqScape soft ware and Variant reporter soft ware in MLPA data analysis process ?? Or it is only the coffalyser which is needed ?

16 March 2020 9,640 1 View

Can freemeteo.com website be used as a valuable source for Meteorological data extraction?

I have found different historical climate data from freemeteo.com website so I would like to inquire if I can use it as a source to extract the data I need and make it as a reference within my...

03 March 2020 1,539 3 View

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

03 March 2021 8,272 1 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

Apart from Nanosilica and CNT's what are the other nanomaterials readily available to use in concrete mixture?

Nanotechnology in concrete materials

01 March 2021 3,379 3 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 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

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View