What is the paradoxical effect of VINASSE in terms of low pH (<4) and high EC (>50dS/m)? What is its impact on soil properties and crop growth?

What is the paradoxical effect of VINASSE in terms of low pH (50dS/m)? What is its impact on soil properties and crop growth?

15 February 2021 3,142 6 View

Which method is preferable for modelling tuned liquid damper (TLD) in SAP2000/ETABS?

There are two methods to model tuned liquid damper (TLD) which is based on shallow wave theory (Sun's) model and equivalent tuned mass damper (TMD) approach (Yu's model). which one is better...

29 January 2020 8,076 1 View

Retrospective cross-sectional study design?

I am using data from Demographic and Health Surveys conducted in the last 20 years. Can I name my study design a "Retrospective cros-sectional"?

01 October 2019 6,641 7 View

From which point of view we assume the dimentions of structural elements before doing structural design?

I am going to check the effectiveness of tuned liquid damper as seismic control and i want to take sample multi story building with out designing the structural elements. so to take that sample...

17 May 2019 2,220 6 View

Wat doese the term 'tuned' mean from the point of view of tuned mass damper?

why the vibration control dampers like mass dampers called as tuned mass damper

24 March 2019 9,510 3 View

Is there any endevour that transform the manual CN-model in to computer application software?

Despite its importance in watershed hydrology and management, until now I know CN-model is a manually operated model. If there are some experiences I would like to hear from the group. Best

10 October 2018 5,085 3 View

FE or RE model selection?

Hello, I am regressing an equation specified as follows GDP per capita_it= bo + b1 Human capital_it + b2 Openness_it + .....+ u_it the regression is based on unbalanced panel data for 97...

04 October 2018 8,233 2 View

How can I determine minimum sample size for single arm cohort study?

Can any one tell how to determine minimum sample size in a prospective cohort study when the cohort is not divided into exposure and non exposure groups? Thank you!!!!!

04 September 2018 2,716 4 View

Is there any one who could say something about the mantel test (attached figure) on the correlation between genetic and geographic distance matrices?

29 June 2016 9,132 5 View

Why do we dilute the genomic DNA during PCR amplification?

18 November 2015 799 9 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 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's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View