What is New Next Generation Attenuation Relationships (NNGAR) and how are they different from other attenuation relationships?

Dear researchers The provisions of ASCE 7-10 states that New Next Generation Attenuation Relationships (NNGAR) has been used in the process of Probabilistic Seismic Hazard Analysis (PSHA) to...

15 November 2020 1,132 4 View

Stiffness changes of the structures due to modeling P-Delta effects in Sap2000 are more significant than OpenSees. which is more accurate?

Dear researchers The modeling of P-Delta for the structural elements (specially columns) reduce the stiffness of the structure and consequently increase the period of vibration. Now, these...

24 October 2020 7,255 5 View

Does modal participating mass ratio reflect the effectiveness of Tuned Mass Dampers (TMDs)?

Dear researches In general, the value of modal participating mass ratio (MPMR) for each vibration mode represents the participation of each mode in the structural responses. when a structure...

02 September 2020 1,372 9 View

Is scaling period (T) recommended in seismic codes logical in order to scaling process of the earthquake records?

Dear researchers What is your opinion about the criterion recommended in seismic codes for determining scaling period, which are used to scale ground motion records? As you know, the mentioned...

27 August 2020 5,546 5 View

How can I model active mass damper (AMD) in opensees?

Dear researchers I can model tuned mass damper (TMD)in opensees platform. Now I want to model active mass damper (AMD) in opensees. So, how can I model its auxiliary equipment including sensors,...

27 August 2020 10,029 1 View

Any information about various initial and life cycle cost models of Tuned Mass Dampers (TMD)?

Hello everybody Despite a few TMD cost models available in the literature, I am searching for more accurate initial and lifetime cost models of translational TMDs for Life Cycle Cost Analysis...

14 August 2020 8,192 5 View

Does anyone have any information about linking Life Cycle Cost Analysis (LCCA) of structures and basic principles of Building Information Model (BIM)?

Hello everybody I would like to link two topics, LCCA and BIM, each of which deals with "structural and earthquake engineering" and "construction management" in civil engineering, respectively....

06 August 2020 2,812 8 View

Is the range of pregnancy week and sample size cited in this article?

15 February 2020 1,301 1 View

Is SISRs (Slack Induction by String Removals for Vehicle Routing Problems) successfully implemented anywhere?

Can anyone help me find out if there exist examples of papers where this method [SISRs] is used successfully to solve other variants of routing problems (especially real-world problems?) I...

07 January 2020 7,922 3 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

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

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 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