23 February 2018 2 208 Report

Could the removal percentage of a recalcitrant compound in wastewater using ozone be estimated on a theoretical basis only (i.e. without doing any experiments) using appropriate correlations or equations? Looking forward to your answer.

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How can I add own Henry coefficients in Aspen Plus?

Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?

05 August 2024 2,333 2 View

Which mesostigmatan mites from black soldier fly farm?

I have aquired some mites which have been isolated from feeding trays at a black soldier fly farm. These mesostigmatans are not my primary field of interest, although they are very beautiful. Can...

13 July 2024 10,036 5 View

Can content based algorithm be a problem in e-commerce if not trained to not only use users consumption record ?

A recommendation system using a machine learning algorithm gives users the preferred product using a content-based algorithm to satisfy customer preferences, which is well served, and from the...

14 May 2024 7,722 1 View

How to explain a similar Shannon-Weaver index but different inverse Simpson index?

Dear, Normally the Shannon-Weaver index and Simpson index are correlated. However, in my study on the diversity of 2 bacterial communities following results were obtained. Shannon-Weaver...

10 May 2024 9,248 4 View

Where to find water benchmark values?

I am reaching out to inquire about water benchmark values for specific processes within the potash industry, namely carnallite decomposition, sylvinite washing, and vacuum-cooling crystallization....

20 April 2024 2,473 2 View

Do Mitutoyo microscope objectives survive in vacuum?

I would like to know if Mitutoyo objectives (specifically Mitutoyo Infinity Corrected Long Working Distance Objectives) can be put into vacuum (10^-5 mbar) and without detoriating their...

11 April 2024 2,208 1 View

Which questions can measure Knowledge, Attitudes, and Practices (KAP) Regarding Animal Health and Welfare Among Livestock Farmers in Papua New Guinea?

Objectives: To assess the knowledge levels of livestock farmers regarding livestock health and welfare practices in each regions of PNG. To explore the attitudes of livestock farmers towards...

27 March 2024 1,910 0 View

Reason for the lack of a clear and universally accepted definition of 'organised crime'. any sources for this?

Research Proposal: Defining Organised Crime for Effective Combatting in South Africa. Why could be the reason for the lack of a clear and universally accepted definition of 'organised crime'. any...

26 March 2024 8,939 4 View

Can any one give Special properties and examples of Graphs that are (i) Uniquely (ii) doubly (iii) triply k- dimensional?

Let M = {v1, v2 ... vn} be an ordered set of minimum number of vertices in a graph G. Then the vector of distances (d(u, v1), d(u, v2) ... d(u, vn)) is called the M -coordinates of a vertex u of...

24 February 2024 3,228 2 View

How do I understand the payoff matrix in Axelrod and Hamilton?

I am fighting my way through Axelrod and Hamilton (1981) on the Prisoners Dilemma. this is the payoff matrix they present for the PD. But they only present the payoffs for player A. Normally,...

13 February 2024 6,294 1 View

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Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

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Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

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What roles do microorganisms play in Earth's ecosystems, & why is their role so important and role of microorganisms in secondary wastewatertreatment?

What roles do microorganisms play in Earth's ecosystems, and why is their role so important and role of microorganisms in secondary wastewater treatment?

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Surface adsorption with the help of iron and UV/H2O2 is innovative?

1.The topic I am going to research is "Advanced Gray Wastewater Treatment Output from the Biological Process by Iron-assisted surface adsorption and UV/H2O2". I think this method has been used a...

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Can advanced wastewater treatment processes be integrated with real-time monitoring and adaptive control systems?

How can advanced wastewater treatment processes be integrated with real-time monitoring and adaptive control systems to enhance the removal efficiency of micropollutants and pathogens, while also...

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Techniques currently being utilized or developed to accurately quantify and visualize the anthropogenic footprints impacting river water quality?

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What is it's difference between lsoda method in R vs. ODE23 or 45 solver in MATLAB?

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What are these aggregates in activated sludge flocs?

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