Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Does anyone ever solved this following Matlab error : "Error using imaqdevice/start (line 95) pointgrey: Failed to stop the camera acquisition." ?

I use Matlab 2014b to capture some images with a PointGrey camera connected with USB3 port. I initialize the camera in a function which basically execute these followed lines : vid =...

22 February 2021 6,386 1 View

Making my research papers available for readers?

17 February 2021 8,533 2 View

How to perform Cox proportional hazard analysis or Kaplan-meier survival analysis in SPSS?

At first please see the attachment. This experiment was performed for a period of 7 days (n=100). After 7 days, we found different level of survival rate (%) for each treatment. Now, I want to...

15 February 2021 9,145 2 View

3T3-L1 cells, is this a bacterial contamination or a cross contamination with different cell line? or something else?

Hi, I am experiencing some difficulties with 3T3-L1 cells culturing recently. I am working with 3T3-L1 cells for almost 4 years now and have seen bacterial contaminations/ unhealthy cells and...

13 February 2021 4,040 3 View

For acid treated montmorillonite clays what will be the result of surface area?

The organo montmorillonite nanoclays modified with octadecylamine were used for the experiment. After acid treatment, the surface area will be increase. However, in my experiment, the surface area...

10 February 2021 1,581 3 View

What are the main conditions suited for synthesizing a PVDF thin film by solvent casting method?

I have been trying to synthesize PVDF thin film by solvent casting method. I started by using 2:3 DMSO: acetone as solvents. The solution was stirred for 3hrs at 60 deg and was dried at 90 degrees...

09 February 2021 8,850 3 View

Wave velocity and rock density paradox?

Practically it is known that seismic velocity increases as rock density increases, why then does the wave velocity equation involving elastic moduli and density indicate that velocity is inversely...

09 February 2021 1,843 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

How to generate AA6061 alloy or any aluminium alloy crystal in material studio?

I need to carry out molecular dynamics simulation on Aluminium alloy. For this i need the crystal structure that which could be further replicated to form a structure.

22 February 2021 1,410 1 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

How to interpret different leached phases of metapelites?

Extraction of three different phases of metapelites, mostly phyllites as the Carbonate phase, Fe-Mn Phase, and Silicate phase has been obtained. After doing ICPMS, different results have evolved....

11 February 2021 5,198 10 View

How can I take subsamples of water from a larger sample in a way that allows me to measure the iron content of the subsample?

I learned how to take subsamples with a magnetic stir bar, but I noticed iron particles stick to the bar, and I am having trouble finding a standard method to solve that problem. How can I take a...

04 February 2021 4,778 1 View