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As per second law of thermodynamics, all of the heat added to a system cannot be used to do useful work. Also, another version of second law of thermodynamics states that entropy of a system...

08 September 2019 4,696 11 View

What is the correlation to calculate cloud point and pour point for crude oil based on density, viscosity, bubble point pressure etc. of crude oil?

I want to calculate cloud point temperature and pour point temperature for crude oil samples based on black oil properties of crude oil like density, viscosity, bubble point pressure etc. and...

06 July 2019 357 3 View

Can a converging nozzle be designed which decreases the liquid pressure below its vapour pressure resulting in evaporation of liquid?

A converging nozzle increases the flow velocity and decreases the static pressure as per Bernoulli equation. Can a liquid flow through a converging nozzle result in static pressure below the...

06 July 2018 2,596 6 View

Is cyclopropane soluble in water?

Cyclopropane is a non-polar hydrocarbon. Why is it soluble in polar solvents like alcohols and ethers? Is it also soluble in water? Is it more soluble in water as compared to hydrogen sulfide?

02 March 2018 5,193 4 View

What is the working principle of expansion valves used in refrigeration industry?

We are pumping liquid through a pipe. After a pipe length, the flow area of pipe is reduced. As per bernoulli's equation, the velocity of flow will increase and pressure will decrease. In case the...

09 October 2017 3,765 1 View

How is the freezing point of brine effected by presence of organic compounds like methane, ethane and propane and compounds like H2S and CO2?

Freezing point of eutectic NaCl brine is -21 C. How is the freezing point temperature effected by presence of organic compounds like methane, ethane and propane and compounds like H2S and CO2? At...

01 January 1970 5,380 3 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

How to add missing citation?

Dear colleagues, I have found that many authors have a concern regarding their missing citation in RG because often citation in RG is lower than google scholars. I also missed some citation...

26 February 2021 928 6 View

Centrality measures computation in Biblioshiny/ Vosviewer?

26 February 2021 7,279 2 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View

How can I remove deep eutectic solvents from the medium?

Dear researchers, How can I remove deep eutectic solvents from the medium? You know, generally, deep eutectic solvents consist of ammonium salts and an acid group. Is there any alternative method...

22 February 2021 3,275 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View