What is the change in H2 entropy from gas to liquid phase ?

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How to calculate the charge densities of valence band maximum (VBM) and conduction band minimum (CBM) of a system using Quantum ESPRESSO software?

Hello everyone, I am using Quantum ESPRESSO software to calculate the total charge density of the compounds. However, I am unable to calculate the charge densities of valence band maximum and...

06 June 2024 4,498 4 View

How is object segmentation and object detection are different?

How YOLOv8 is used to obtain the contours/object and calculate individual area

02 May 2024 5,396 3 View

How to get rid of "error termination in SCF gradient" in ORCA 5.0?

I am optimizing a small organic molecule in a triplet second excited state using TD-DFT in ORCA 5.0. It is giving error termination in SCF gradient. How to get rid of it? Check the error below....

30 April 2024 6,806 6 View

How can I get my desired DNA copies?

Hi all, I want to have 301 copies/ul for my downstream experiments. The sample I am using is a purified plasmid, of which I know the concentration (ng/ul), volume (ul), and molarity(g/mol). How...

20 April 2024 2,468 4 View

After formulating your hypothesis based on a problem statement , what are the important steps constructed within DS project life cycle ?

Please explain the importance of : 1. DOE - Design Of Experiment 2. Statistical Testing Process Document

12 March 2024 1,556 1 View

Can anyone suggest me how to ensure proper revival for the strain B. braunii UTEX 572?

I have bought strain B. braunii UTEX572 for my work, however, I do not see any positive growth after reviving it in both Bold 3N liquid and agar media supplemented with 10g/L glucose. Is there any...

10 March 2024 4,196 0 View

Could you tell me the cause of this problem?

A person has very little thirst, dry mouth. If he drinks water, the water is coming out through the urine, but his body lacks water. Why does this happen and what is the remedy?

16 February 2024 1,255 3 View

How to make agar plates using the drug 5-fluoroindole as it is light sensitive and sparingly soluble in water?

I need some suggestions on working with the drug 5-fluoroindole. I am working on green microalgae and trying to make my strain tryptophan auxotroph. However, I am unable to make proper drug plates...

14 February 2024 1,013 1 View

How to remove antibiotic markers from the microalgal genome post CRISPR-RNP based knock-in?

When CRISPR-Cas9 RNP-based gene knock-in is performed in green microalgae, the donor cassette will contain the GOI and some selection marker genes. Post the gene integration how do I remove the...

04 February 2024 6,667 1 View

How to quantify shifting of rainy day?

Due to global climate change, it has been observed that there is un-seasonal rainfall. Hence it is very much required to ascertain the change point in rainfall pattern as well as shifting in rainy...

29 January 2024 1,767 5 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

AUX gas reading problem on QE with full MS and PRM method in one run?

Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...

06 August 2024 4,953 0 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

How can I inoculate a lyophilized anaerobic bacteria into the culture medium without an anaerobic chamber?

There are anaerobic gas pak jars and environment providers in the laboratory that provide anaerobic environmental conditions for the growth of anaerobic bacteria. However, there is no anaerobic...

05 August 2024 4,945 3 View

Is there any Indian Company or Startups, from any universiy or IITS, which manufacture Gas Chromatography instrument , i want to make a custOmized G?

or we can collaborate

01 August 2024 6,705 2 View

How select composition for ods-high entropy alloys?

31 July 2024 2,795 1 View

Gas chromatography RT detection?

I am working on algal extract to which gas chromatography (Not GC-MS) spectrum I want to discover. My question is can we identify specific compounds using retention time if I compared the RT with...

29 July 2024 8,034 4 View

How does the Retention time effect the Biogas Production?

List down the various factors responsible and how does this effect the overall biogas production when it is related to Hydraulic retention time of the digester based on the feedstock?

27 July 2024 4,800 4 View

Why methanol and sulphuric acid used in the analysis of polyhydroxyalkanoates (PHA) by GC-MS?

Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?

22 July 2024 1,210 2 View

How can I quantify MDEA (N-Methyldiethanolamine) with a GC-FID?

I have a mixture of glycol, water, MDEA, and piperazine which I want to analyze with GC.

15 July 2024 2,181 10 View

Antonin Chapoy

You should check the following paper:

Fundamental Equations of State for Parahydrogen, Normal Hydrogen, and Orthohydrogen

(Article Fundamental Equations of State for Parahydrogen, Normal Hydr...

)

Shufeng Zhang

Entropy: A concept that is not a physical quantity

https://www.researchgate.net/publication/230554936_Entropy_A_concept_that_is_not_a_physical_quantity