Which air pollution/air quality books do you recommend for working with environmental engineering students?

I am exploring up-to-date books on air pollution and air quality, and I would like to know which books do you recommend for environmental engineering students.

25 January 2021 3,972 7 View

Numerical taxonomy with SPSS?

Hi everyone, I was wondering about the possibilities of performing numerical taxonomy with SPSS software. I would be very thankful to recieve advice!! For now I have been reading about...

12 January 2021 5,549 3 View

I would like. How they can be simulated the deformational processes of valvular aortic stents??

We have a projet about TAVI

22 December 2020 7,729 1 View

Using multiple linear regression to solve a multiple-way ANOVA problem?

Specifically, I want to know if I can use multiple linear regression to predict a response value 'y' from it's associated "treatment" or "group" averages in several variables. Let's say:...

04 November 2020 632 19 View

PRECIPITATION MODELING OF V CARBIDE IN Mn STEEL?

HELLO DEAR COLLEGUES, Is there anybody who have acces to MATCALC software that help me modelling the precipitation phenomena in a medium Mn steel microalloyed with 0.15%wt. of V? The expected...

05 October 2020 5,914 3 View

Does the molecular weight of PVP matter in CTAB buffer for DNA and RNA extraction?

I am preparing CTAB buffer and I read that addition of PVP (Polyvinylpyrrolidone) helps to remove phenolic compounds. Most of the times in protocols there is no additional information about...

05 September 2020 7,488 4 View

Are my cells contaminated with mycoplasma?

I suspect contamination with mycoplasma and fixed the cells with 4%PFA and stained them with Dapi. This is the image I got, I usually don't get any of those small rounded dapi foci outside the...

06 August 2020 6,412 1 View

Why does the 2D peak intensity in a graphene Raman spectrumdecrease with the number of layers?

If we compare a Raman spectrum of monolayer graphene and bilayer or fewlayer graphene, we will see that the 2D peak intensity decreases (relative to the G peak intensity) for the later cases. I...

24 July 2020 907 3 View

One-way ANOVa for non-homogeneous and not normal data?

I have a data set that has 3 groups and a single variable. Under normal circumstances, a one-way ANOVA would be used for comparisons between my three groups. HOWEVER I ran a Shapiro-Wilk test for...

22 July 2020 6,061 7 View

Do you think improved varieties and better management practices will be the key to future increases in food production?

Agricultural experts generally agree that future increases in food production will come from three options:1) expanding the land area, 2) increasing the frequency in which the land is cropped, and...

03 July 2020 8,215 4 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

Tooth extraction and subsequent dental implant placement in Sprague-Dawley rats induce differential changes in anterior digastric myofibre size and ?

01 March 2021 7,254 3 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

How to dissolve cross-linked Amberlite IRC120 H, hydrogen form resin?

Hello all, I have used Amberlite IRC120 H, hydrogen form acidic cation-exchange resin for the ion-exchange of waterglass [sodium silicate solution -- 40% Sodium silicate (mol ratio > 3.2)...

21 February 2021 5,614 3 View

Can I follow Researchers from Teaching and testing areas?

I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation

18 February 2021 4,757 13 View

What is recommended and opened real-time or nearly real time geospatial data used in flood risk assessment and regional planning on a detailed scale?

I asked recommended real-time or nearly real-time data source for any parameters for flood risk on a microscale analysis for urban area cases in developing countries that had agglomeration urban...

18 February 2021 2,617 2 View

What to do with absence of fluorescence label in Fucci2a mouse-derived fibroblast culture?

Dear all, I have harvested fibroblast cells from R26p-Fucci2 mouse embryos (mouse line as described in this paper: https://dev.biologists.org/content/140/1/237) and cultured them on plastic,...

17 February 2021 3,368 2 View

Can any scholar assist me with an r code for calculating average bias for each parameter of a continuous distribution via simulation?

I want to perform a simulation study to examine the consistency property of parameters of a new distribution through the quantile function. The simulation study will contain many replicates (say...

10 February 2021 180 3 View

Do the introduced salts (NaOH/ HCl) influence the spectroscopic shifts of the fluorescence excitation-emission matrix?

During the resin (XAD-8) fractionation of wastewater salts (NaOH or HaCl) are used for acid or base elutions/pH adjustments. Since the amount of introduced salt is minimal, so is it required to...

08 February 2021 9,489 2 View