Is there any data on water absorption capacity of biochar in alkaline solution?

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Is there any study that shows calcite precipitated by bacteria in self-healing concrete lead to micro-cracking?

Calcium carbonate precipitated by bacterial metabolism is the sealing agent for cracks in self-healing concrete. However, if there is no crack, would the calcite generated by bacteria lead to...

08 September 2017 5,576 1 View

Is there any published data on relationship between adiabatic temperature rise during cement hydration and heat of hydration?

I am looking for an equation or model that draws relationship between temperature rise of cement paste and heat of hydration of portland cement.

04 May 2017 5,421 3 View

What are the explanations for balling of polypropylene fibers in mortar/concrete?

Any studies that discuss the possible reasons for this balling effect?

11 December 2016 9,116 0 View

Effect of carbon particles (30-80 micron) on internal temperature of concrete during hydration?

If I mix carbon particles ( size 30-80 micron) in cement , what will be the effect on internal concrete temperature during first 24 hours of hydration ?

10 November 2016 7,274 3 View

What kind of carbonate polymorphs may be present in saw dust derived biochar prepared at 300 degrees?

I have prepared biochar from mixed wood saw dust at 300 degrees. XRD pattern show sharp peaks at 2-theta = 37.8 , 44.06, 64.38 and 77.5. Does it say anything about presence of calcium carbonate...

10 November 2016 4,338 9 View

How does cohesion between a carbon based admixture and cement/sand particles affect setting time of mortar?

The carbon rich admixture is hydrophilic. By absorption of free water the admixture can reduce initial setting time but how does the bonding between this admixture and cement affect setting time?

10 November 2016 3,629 2 View

Are there studies on relation between hydration and microstructure of mortar/cement paste and pH of mortar/concrete?

Specifically, I would like to ask whether some research have explored the rate of hydration, strength development and hydration products when the pH of concrete or mortar drop below 12 or even 10 ?

07 August 2016 9,900 0 View

Is there any research that quantitatively states the impact of microfibers on rate cement hydration ?

For example, does addition of PP fibers by 2-4% volume fraction affect early hydration of concrete?

11 December 2015 4,803 1 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Determining the worth of a point improvement in Hamilton Depression Scale?

Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...

05 August 2024 3,246 1 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,230 4 View

Conjugation of PEG-Amine to an Amino Acid Using EDC?

I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...

31 July 2024 2,033 1 View

Given the current level of natural phenomena cause by the climate change and environmental pollution, will the AI find the technological solutions?

AI-driven technologies offer previously unheard-of capabilities to process enormous volumes of data, extract insightful knowledge and improve predictive models, according to the UN’s World...

31 July 2024 9,733 3 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

29 July 2024 4,570 0 View