About transparent ceramics?

thank you 1. Why uniformity of grains is important to have transparent ceramics?and How is effect uniformity of grains on increasing transparency of ceramics?then What can we do for have final...

01 February 2017 7,199 0 View

Why we need to cubic structure to produce transparent ceramic? and Is cubic structure concern to grain shape or unit cell?

if that is related to grain shape Why in some source implied "a lot of transparent have cubic structure but in some articles produce transparent ceramic with monoclinic or hexagonal structure is...

31 December 2016 9,062 3 View

Hi, How can we compeletely define synthesis ?

tnx

10 November 2016 6,791 0 View

Hello , How many roues are there for chemical synthesis ?

thank u

10 November 2016 5,403 0 View

I will used solid state reaction (SSR) for synthesis ZnWO4 , is it important the particles starting soluble in solvant?

09 October 2016 603 3 View

Is it any different between ceramic and polycrystal ?

tnx

09 October 2016 241 0 View

Is there valid sources for solubility material in solvants (especially water and ethanol) ?

09 October 2016 3,256 2 View

Who can introduce to me a software for calculate melting point a composition with some impurities ?

tank you

07 August 2016 9,495 1 View

Are there any different between soak time and dwell time in sintering processe ?

tnx

04 May 2016 6,365 0 View

Do we have any metallic scintillator ?

tnx

04 May 2016 5,252 0 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View