Magnetismic Gravity in the universe?

MAGNETISMIC GRAVITY What is magnetism? Something magnetic has a + and - charge. If 2 + or - are pushed if + and - are pulled. But what is the main reason for this? Why does magnetism have a pull...

21 February 2021 9,538 3 View

Relativity is actually an uncertainty.?

04 January 2021 718 3 View

Quantum theory created dark matter before the universe was formed. ?

If the size of atoms, that is, the existence and existence of atoms, gives us the quantum theory, what is the relationship between the higgs boson that gives mass to matter and the fact that the...

30 December 2020 5,432 3 View

Analytical Assessment for L2 Writing?

I am using "essay assessment" as a third data type in my research. There are 80 essays: first draft and final draft. a. In order to get a general picture of students' level of writing, should I...

08 October 2020 201 2 View

What is the most proper, cheap and reliable device(portable) which measure HRV for scientific research? Are Polar watchs or other arm bands reliable?

Hello. I want to measure HRV before activity, during activity and after activity. Each measurement will take 5 minutes. I have limited budget and i m searching for a portable device. And it must...

07 March 2020 4,807 3 View

Does anybody have an experience on Comsol microfluidic flow simulation with piezoelectric ceramics?

Hi, I have been researching that whether piezoelectric ceramics can create enough force on the fluid flow to change its direction in the microfluidic channels. I designed a basic microfluidic...

18 June 2019 1,215 3 View

What is the mechanism of foaming when Na2SiO3 is used as a foaming agent in the production of glass foam from waste cullet and F class fly ash?

There is some relevant literature on making glass foams from waste cullet using Na2SiO3 as a foaming agent. Besides, ceramic glass foams can also be produced from F class fly ash with the aid of a...

24 February 2019 6,904 2 View

How to do Bland Altman Plot in measurement pairs in SPSS or Excel?

Hi all, Although I watched all the videos about Bland Altman plot in SPSS, I could not find any information regarding how to use this statistics in multiple replicates for each method. Hope...

13 September 2018 9,359 14 View

Where can I find SA-GFP-pA sequence??

Hi everybody, I searching for a plasmid containing Splicing Acceptor-GFP- polyadenylation signal sequence. I found many papers using that sequence. However, I couldnt find the original plasmid....

05 December 2017 1,011 1 View

Why the Chi-square cannot be less than or equal to 1 ?

Why the Chi-square cannot be less than or equal to 1 ?

27 October 2017 2,165 19 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

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 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

How to do a surface treatment of uncoated TiO2 with polymer?

Basically, I would like to know how to treat or coat on the uncoated bare TiO2 (Ti-OH rich) surface with polymer which has anchoring groups in the polymer structure like trimethoxygroups. What is...

21 February 2021 4,657 6 View

Is nanotechnology part of materials science? Is it possible to obtain Pico technology and move from hypothesis to application?

Pico-scale This is three orders of magnitude smaller than a nanometer (and thus most nanotechnology) and two orders of magnitude smaller than most chemistry transformations and measurements. Pico...

18 February 2021 4,540 5 View

I want to remove TiO2 and SiO2 coating from surface. any one can help me?

I want to remove TiO2 and SiO2 coating from surface. I think that i should use HCl and MgCl2 and an oxidation agent such as potassium nitrate, but i dont know in which propertion should these...

14 February 2021 300 3 View

In Method prepreation, what is the meaning of (Fixed at), and the meaning of (mol% of somthing) and how to find the volume?

I need an explanation of this sentence: Firstly, SnCl4.5H2O with fixed at 0, 1, 3, and 5 mol% of TiO2 and Titanium (IV) isoproxide (TTIP) with fixed at 10 ml were mixed into 150 ml of ethanol...

10 February 2021 3,291 2 View

How can we quantify martensite in Ferrous and Titanium alloys?

How can we quantify metastable phases like martensite in Ferrous and Titanium alloys, in relation to their stable counterpart For example in EBSD, XRD, Optical? Eg, Martensite and Ferrite maps.

09 February 2021 7,572 3 View