How to provide reliability in P2P storage system?

I am familiar with a fact that in P2P storage distributed systems reliability is provided with redundancy using erasure code or simple file replication. I am interested if there are some other...

05 February 2021 1,325 3 View

How do forests influence avalanches and how protecting of the avalanches?

How do forests influence avalanches and how protecting of the avalanches? Forests play a very important protective role related to the avalanches. They act as a safeguard for communities and...

26 December 2020 9,167 1 View

How to track users accessing desktop file system?

I want to log user activity in a way to determine how they access their files on daily basis. For example, student have book in pdf and he read this file and other files during learning process....

04 October 2019 942 2 View

Which serum free media can I use for Cos-1 cells?

I would like to do cell uptake experiments using Cos-1 cells in serum free conditions. Which media can I use?

24 May 2015 7,347 1 View

Small molecule dissolved in 100% DMSO formed crystals in culture media. Can I use beta-cyclodextrin derivative as a solvent for Vitro study?

14 July 2014 3,065 3 View

What on line tools you are using for teaching and cons and pros

I was wondering what tools you are using in this period of covid-19 crisis. What problem you encountered and what are your opinion about that tools, let share our experiences.

01 January 1970 4,849 10 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 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

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

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

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

Passivation of chromium cast Iron in high temperature?

14 February 2021 2,157 3 View

Why ICP-MS test for Teflon filters that collected PM2.5, show really high results in the millions of ug/g ?

I analyzed soil and ash samples using ICP-MS for 28 metals, then I resuspended those samples to collect PM2.5 particles in a filter using a selective inlet inlet. My only issue that Fe and Al...

13 February 2021 7,592 3 View