Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

No title

02 January 2021 7,172 4 View

How to run a correlation matrix for mixed variable types to determine regression covariates?

I have a large and broad dataset with many possible covariates that are both categorical and continuous. I planned to run a correlation matrix with the DV and all possible IVs to determine the...

23 November 2020 2,593 4 View

Is there a way to write a regression table from R with coeffecients, se, p, odds ratio, and CIs?

I have rather robust data and would like to write my regression outputs to a "journal ready" format from R. At the moment, I have gotten the outreg package to work in getting the coefficients,...

17 November 2020 973 3 View

How do we use adjusted prevalence rate (aPR) in a meta-analysis?

Hi, I am doing a meta-analysis using Review manager determining association between increase in pollutant concentration and the risk of a particular disease. Majority of outcomes are reported as...

20 October 2020 10,012 3 View

Can you run a hierarchical regression on a linear mixed model?

I am trying to determine which would be the best model type to run on my data. After reading through this chapter's introduction, it seems I would be best suited to run a hierarchical regression...

18 October 2020 3,853 3 View

What do you think are the factors affecting the Online Collaborative Approach of the teachers in today's situation?

This is research-related question.

05 October 2020 4,606 4 View

How can I run a Gaussian 09 calculation with a non-default functional (BP86)?

What keywords should I use to run a Gaussian calculation with a functional other than the default ones? Specifically, I would like to run the calculation using the BP86 functional, rather than...

23 July 2020 3,892 5 View

How do I make LDPE film from LDPE powder (or pellets)?

I am studying microbial biodegradation of polyethylene and I want to make some pure PE films so there is not risk of other carbon sources from plasticizers. I have LDPE powder already and would...

02 February 2020 201 3 View

Ethically, what are your views on publicly revealing reviewer status after publication of the journal article?

I generally was taught that reviewers should keep their reviews confidential forever. I was invited to review an article that was recently published. It was then picked up by a major news source...

19 December 2019 9,463 5 View

Can I get the design of circular cylinder to fix thermocouple on the surface and cartridge heater in core ?

Respected Scientific Community. I'm interested to carry out experimental studies on a circular cylinder. But even after doing literature review I unable to get the exact design of the cylinder...

10 February 2021 6,221 1 View

Can I use asymmetric PCR amplification on a pool of circular plasmids to increase each plasmid's signal?

Hello, Here is my experiment: I transfect in a plasmid that has been cut once (a linear piece of dsDNA) into human cultured cells. I wait 48hrs to allow the cells to "repair" the plasmid making...

10 February 2021 6,090 3 View

How is linear form of plasmid circularized?

Hi all, I'm working on transforming E. coli with plasmid in a mixture of linear and circular form. What happened to the linear form once uptake? Do cells ligate them directly? Or cell DNase...

13 January 2021 8,336 4 View

How can I calculate packing density of particles by fomulas or softwares?

I have all data of particles, such as size distribution, or numbers. Is there any way that I can calculate the packing density of these particles? Assume that all particles are circular.

05 January 2021 4,272 2 View

Low value of Cd for Flow Past a Square Cylinder Simulation?

Hi everyone, Happy New Year! I am carrying out a Simulation for Flow Past a Square Cylinder. I am using Ansys Fluent. I get a very low value of Cd in the simulation. The solution converges but...

03 January 2021 4,389 3 View

How to add two vertical and parallel Fresnel reflection coefficients to retrieve overall reflection coefficient for a right hand circular wave?

I have a problem in which a right hand circular polarized wave (GPS wave) encounters an ideal smooth plane obliquely, and then is reflected off that. To solve this kind of problems, the wave is...

28 December 2020 2,271 3 View

How do we decide dimensions of antenna?

For standard shape (Rectangular, circular) microstrip patch antenna, standard formulas are defined for calculating dimension but for other design how do we decide shape and its dimensions? Does...

22 December 2020 5,535 3 View

Why do I get Floating Point Error! on simulating with very fine mesh using k-w SST model in Ansys Fluent?

Hi everyone, any insight is appreciated. I am simulating with a D/1000 [first boundary layer height] mesh the flow past a square cylinder (inside a Circular domain). For Coarser mesh, I had no...

21 December 2020 5,438 10 View

Can anyone help me with the constraint between two rods?

Hello Everyone, I am trying to model a wire mesh in abaqus. I have modeled it with 1mm circular cylinder. I want to give a tie constraint to the perpendicular wires. I am unable to find it in...

16 December 2020 3,572 6 View

Cylinder drag from PIV data?

Hello, I have circular cylinder d=15 mm in diameter in flow velocity 5 m/s. The flow field was measured by PIV and the measured area is ca. 125x80 mm, perpendicular to the cylinder axis. The...

14 December 2020 8,016 4 View