Does any one has any open access fo a book or a chapter about Ballast Water Treatment systems with references ?

most of books aren't free and the other sources for Ballast water are without of references.

01 February 2019 3,802 6 View

How to convert grinded powder of agriculture waste into pellets for calorimetric me0asurements for Biomethane production?

what is the important of converting agriculture waste into pellets for calorimetric measurements? can we measure it with powder or nor?

02 March 2018 7,898 0 View

Does the pretreatment method enhance the biogas production from agriculture waste ?

please suggest any pretreatment method or any addition that can enhance the biomethane production thanks in advance

01 February 2018 2,892 1 View

What is the best way to strat learing MATLAB for beginners?

Matlab tool for image processing how and what is the best way to start learning it?

05 June 2017 2,726 5 View

What are the atmospheric aerosol are and their impact on health and climate?

what are the atmospheric aerosol are and their impact on health and climate?

04 May 2017 3,171 22 View

Could you please describe the oceanic branch of Carbon cycle and the impacts on Oceanic composition?

lets share our experience about the oceanic branch of Carbon cycle and the impacts on Oceanic composition.

03 April 2017 1,541 11 View

What is the main problems that can face the scientific research specially in the developing countries?

Many problems are facing the scientific research such as funds or availability of suitable lab. Or lack of supervisors. Could you speak about your experiences and how did you solve it? I would be...

03 April 2017 6,687 101 View

How could postgraduate students choose their M.Sc and PhD research topic?

I think at this time, where science and technology is going very fast and everyday there are many discoveries and inventions, it is very hard for postgraduate students to choose their research...

03 April 2017 1,039 5 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View