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

No title

04 January 2019 3,828 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Why degradation of pesticides is maximum at specific pH by using nanoparticles and nanocomposite?

actually, I am degrading pesticides by using inorganic composites the pH of the pesticide in distilled water is neutral the pH of nanocomposite is also neutral then why maximum degradation takes...

23 January 2021 8,775 3 View

What are the natural background values of Major,Trace and REE elements in sediments deposited by Indian rivers?

We are working on geochemical analysis of sediments derived from eastern and western ghats of India.

20 January 2021 8,963 6 View

How deep into the sediment do marine/riverine oligochaetes live?

I am working with intertidal muddy sediments. In one of my sites the sediment was extremely muddy (high % of silt), oxic layer was shallow, and there were a lot of oligochaetes. I would like to...

14 January 2021 7,269 4 View

Was there any pesticide disasters other than Bhopal and Kasaragood tragedy around the globe?

Pesticides become prime compo in agricultural activities to meet the growing demand of the human population. But indiscriminate usage and mishandling led to two disasters in India such as Bhopal...

11 January 2021 3,790 7 View

What is the difference between "pesticides" and "insecticides"? Are they same?

What is the difference between "pesticides" and "insecticides" in English? Are they the equivalent replacement when used in text? I am an ecological researcher who particularly concerns the...

04 January 2021 6,230 37 View

What are the methods to eliminate or minimize total dissolve solids in industrial effluent ?

technology relevant methods or processes

02 January 2021 6,632 2 View

Among all the environmental pollutants globally how much % out of 100% is due to chemists?

Environmental pollutants and hazardous are major issues through which the modern world is suffering. Among all the environmental pollutants and hazardous materials how much contribution is from...

31 December 2020 6,039 3 View

Among All the environmental pollutants how much % out of 100% are due to chemists?

Environmental pollutants and hazardous are major issues through which the modern world. Among all the environmental pollutants and hazardous materials how much contribution is from chemists (out...

31 December 2020 833 7 View