What is the difference between soluble ions and exchangeable cations? And How to determine each of them?

I used percolation columns to reclamation saline-sodic clay soils . And my question is, What is the difference between soluble ions and exchangeable cations?

18 January 2021 6,868 3 View

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

There are any reason for increase PEC perovskite solar cell after a week?

my measurement shows PEC increase after a week to tow weeks. my composition was FA0.85CS0.15PbI3 and free HTM on meso-TiO2 structure fabricated devices

07 February 2020 6,902 2 View

How can we find a proper journal for publishing a specific topic?

In order for finding an appropriate journal for submitting the manuscript of a specific topic, I am confused so much. The topic is relating to applying a stochastic process on entrepreneurship...

26 January 2020 3,111 3 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 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 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

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

How does Scientist/RG community evaluates a case study article and the impact of it on a researcher career?

An article that is published as a case study in the SJR listed journal. How much value is added to a researcher career? How it is evaluated by a scientific researcher/University admission...

02 March 2021 9,661 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View