What are the primary defects associated with welding druring construction-stages which might influence the capacity of the gusset-plate connections??

Dear researchers What are the primary defects associated with welding druring construction-stages which might influence the capacity of the gusset-plate connections in concentrated braced frames?...

06 January 2021 797 3 View

Why T98g cells were dead after plamid transfection?

I constructed a plasmid, and extracted more than 500ug plasmid. I transfected it with four different reagent treatments, including two kind of nanoparticles ,pei and lipofectamin 3000. as a sample...

30 December 2020 7,412 0 View

Does anyone here uses the Software for Roche LightCycler 2.0 instrument?

Hi everyone, If anyone here uses Roche LightCycler 2.0 instrument for qPCR experiments, I would appreciate if they message me. I have some questions about it. Best - Navid

12 October 2020 6,234 2 View

What is the best equipment to find the thermal conductivity of a heatsink?

Dear All, I am trying to find the cooling efficiency of my heatsink and I am wondering if there is any equipment to do this thermal test for me. I am looking to find equipment to find a point to...

30 August 2020 3,961 8 View

What would be the "Natural Resource Management" in PAST-covid19 era?

In your opinion, what will be the attitude of human to the natural resources management (environment, water resources, soil resources, etc.) after the COVID-19 era?

18 May 2020 210 16 View

Would you share me your opinions about mechanized harvesting of onion?

Onion harvesting is not mechanized in Iran. I am searching for the best harvesting machines of onion. Would you share me your opinions?

15 July 2019 3,649 6 View

How to percipitate Extracellular Vesicules (EVs) from body fluids using Polymer Based approach???

It would be great if someone gives me a detailed protocol for precipitation of exosome by non-PEG based and PEG based methods from body fluids???

05 May 2019 8,151 1 View

How to extract shape file of HRUs created by SWAT?

25 February 2019 3,822 2 View

PHREEQC based simulation for precipitation of salts in Ca-Mg-Na-K/Cl-H2O system during evaporation?

I want to predict the salt precipitation in Ca-Mg-Na-K/Cl-H2O system. In fact, I have a carnallite sample (containing 20 g CaCl2, 270 g NaCl, 180 g KCl and 140 g NaCl) and after complete...

09 January 2019 1,084 1 View

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04 January 2019 3,828 3 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View