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I am a PhD student, and the doctor asked to do a lecture on ISO 9000, 14000, 17000, 118000,22000 18091,27000 and I would like to prepare the lecture. Is it possible to help me with these...

15 November 2020 8,068 3 View

Why The steel bar Modulus of Elasticity (E) is much lower than 200GPa?

Hello all, I did a tensile test for a deformed steel bar with diameter of 10 mm using using UH-X Universal Hydraulic Test Machine (SHIMADZU-300kN ). The Gauge length of the steel bar (Lo) is...

25 March 2020 5,753 6 View

Anyone interested collaboration as co-authors from (Arab countries) in study " Incivility among Arabic Speaking Nursing Faculty"?

Dear Arab Researchers, We are looking forward to collaborate with co-authors from Arab countries in study " Incivility among Arabic Speaking Nursing Faculty" .If you have interest to conduct with...

24 January 2020 4,689 6 View

How to solve error cannot create variables "e1'in workspace matlab?

Cannot create variable 'e1' in workspace Error in Untitledpsowind (line 34) current_fitness(i) = simulPID(current_position(:,i)); Caused by: Error using Untitledpsowind>simulPID (line...

02 March 2019 3,377 2 View

Non linear optical parameters of Calcite and Quartz crystals?

I am looking for the Non linear optical parameters of Calcite and Quartz crystals in the telecom window (1.2 - 1.7 micrometer).

28 January 2019 2,615 2 View

What is the role of the application of Aldehyde/Sulfate Latex Beads (invitrogen) in the flow cytometry assay ?

I am trying to purificate Extracellular vesicles (EV) from BOEC conditioned media by coloumn of chromatography, then i want to charachertize the purified EV by flow cytometry. However i have seen...

14 October 2018 4,577 4 View

How should we discuss validity and reliability in literary research studies?

Dear all, In literary research we analyse literary pieces in the lights of different theories. We analyse the text with the help of a fixed theoretical framework. But, this overall analysis seems...

17 August 2018 6,990 9 View

How to design and analyse an experiment with dependable variable?

Hi all, I am conducting an experiment about a formulation of ink for 3D printing applications. My parameters are viscosity, pression, nozzle diameter, concentration of the hydrogel. Knowing that...

06 August 2018 8,332 3 View

Add Treatment and Control groups sheets on SPSS?

Dear All, I have 2 excel sheets, one of them to 100 treatment group with 10 parameters. The another sheet with control group with same parameters( 10 parameters). My question is how I can add the...

28 April 2018 8,064 4 View

What is the most important points for writing a Physical Review Letter "100-word compelling justification"?

Dear experts, I want to know how is the best arrangement for writing a PRL "100-word compelling justification"?? What factors should be mentioned and what should be avoided? Regards.

17 March 2018 4,247 3 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

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22 February 2021 9,932 11 View

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View