Can anyone explain the calculation process of integrated biomarker response (IBR)? Any specifical software?

Hi. I'm working with soil enzymes and I have an issue because i saw several papers that used "integrated biological response" or IBRv2 to integrate data from enzymes and build a hexagonal star...

11 October 2020 5,131 3 View

Amendment to reduce bioavailable contents but related with a bioavailability increment?

Hi I am working with a soil amendment to treated some multi-contaminated soils by As, Cd, Cr, Cu, Pb, Sb, and Zn. My amendment (iron oxide) had a high efficiency to reduce bioavailable contents...

06 July 2018 5,116 2 View

Amendment to reduce bioavailable contents but related with a bioavailability increment?

Hi I am working with a soil amendment to treated some multi-contaminated soils by As, Cd, Cr, Cu, Pb, Sb, and Zn. My amendment (iron oxide) had a high efficiency to reduce bioavailable contents...

03 July 2018 8,277 2 View

Anyone could provide references about SEM images of Arecaceae species from archaeological contexts?

In the framework of a research work in the Neotropics I've identified several fragments probably pertaining to Arecaceae species. I've found many papers and atlases of thin-slide sections of...

10 February 2018 3,485 2 View

Questions about TCLP extraction (limit values and calculations)?

Hi I've soil extractions by TCLP for contaminated soils by Cd, Cr, Ni, Pb, Sb and Zn from a shooting range. These extractions were applied to untreated and treated soils with different...

01 February 2017 6,780 4 View

In ALSAQ-40 and ALSFRS-R (Questionnaires of ALS), how are the scores?

12 January 2017 597 2 View

An alternative to UBM method to study lead oral bioaccessibility?

Hi everyone Most papers are focused to study the lead oral bioaccesibility in urban soils with the Unified Bioaccessibility Method (UBM) from the Bioaccessibility Research Group of Europe (BARGE)...

09 October 2016 3,111 3 View

An alternative to UBM method to study lead oral bioaccessibility?

Hi everyone Most papers are focused to study the lead oral bioaccesibility in urban soils with the Unified Bioaccessibility Method (UBM) from the Bioaccessibility Research Group of Europe (BARGE)...

09 October 2016 6,602 3 View

Does anyone have information about the use of Roupala montana as firewood for producing aromatic smoke?

I am currently identifying samples recovered from an archaeological site in the Pacific coast of Panama. Does anyone have information about the use of Roupala montana or other wood species as...

21 August 2016 8,576 3 View

Source of Metals in European soils?

Hi everyone. I'm searching for a paper or a technical report, that explain main sources of Potentially Harmful Elements (previously known as Heavy metals) in soils of the European Union. For...

04 May 2016 7,798 3 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Why does flow deformation occur at the test line and control line on nitrocellulose membranes (LFIA)?

I use 1% BSA in 10 mM phosphate buffer (pH 7.4) solution when striping my nitrocellulose membranes with antigens and antibodies. However, I always observe deformed flow when my sample or running...

16 February 2021 4,224 3 View

How to find orthotropic material properties?

I am doing an impact analysis of bullet on a plate. But for that simulation, I require orthotropic properties of materials like PPS and PEEK which are Unidirectional type. How to find them?...

16 February 2021 8,775 2 View

How can we assess applied digital skills and soft skills through online examinations during COVID-19 semester?

The final qualification assessment for major programs is a strict regimen that involves different stages - oral and written exams, final project viva, internal and external review. How are ICT...

16 February 2021 1,762 8 View

What are some alternatives to the Self-Directed Learning Readiness Scale (SDLRS) developed by Dr. Lucy L. Guglielmino?

The Self-Directed Learning Readiness Scale (SDLRS), also known as the Learning Preference Assessment (LPA), was developed by Dr. Lucy M. Guglielmino in 1977 to measure learners' attitudes of and...

15 February 2021 3,095 4 View

Is there a way in which microglia can be extracted from mice without killing them ?

I'm aiming to use an adoptive cell transfer approach, with microglia in mice with ALS. So far all the protocols I have seen, require sacrificing the mouse. I'd like to re-infuse the microglia back...

11 February 2021 9,509 1 View

How can I multiply values with standard distribution and with triangular distribution?

I am calculating emissions considering the uncertainty of the data to do Monte Carlo simulation. Some variables such as yields have normal, lognormal or even uniform distributions. These must be...

03 February 2021 6,318 5 View

How to calculate response rate if the number of eligible respondents is not available?

Hi All, I am carrying out an international research with clinicians (speech-language pathologists/ therapists). International professional associations will be distributing the questionnaire link...

02 February 2021 5,306 3 View

How is it possible to rank variables using Likert scale?

Hello Everyone, I have a questionnaire of a 3-point Likert scale for an overall evaluation for a service, and several detailed attributes evaluation of that service. For example: Overall...

31 January 2021 9,612 8 View

STS Score - Excel sheet calculator?

I'm looking for an excel sheet to calculate the STS Score. From the website http://riskcalc.sts.org/stswebriskcalc/calculate. Does anyone have a worksheet to calculate the STS Score?

25 January 2021 958 4 View