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

24 February 2021 9,166 3 View

When I reacted Bidentate NS Schiff Base with metal salt (M-Cl2) in +2 oxidation state in proportion of (2:1) , getting sticky product ,, why?

When I reacted Bidentate NS Schiff Base with metal salt (M-Cl2) metal chlorides in +2 oxidation state in proportion of (2:1 Schiff base &metal salt) , i was get sticky material Why ? ---~...

21 February 2021 7,970 5 View

Why calcium oxide nanoparticles becomes black at 650 degree temp?

Please tell me, which temp can I select for neglect black color of the Calcium oxide nanoparticles ..

14 January 2021 5,341 5 View

Special Issue: New HRM Models for Supporting Managing Emotional Labour During Emergencies?

IJHRM has called for a special issue on the subjected-topic. If anyone is interested in working on this special issue, please contact me. Scholars should have a grip on comparative analysis and...

09 December 2020 8,784 4 View

How to analyse a variable with dimensions as moderator and its interpretation?

Hell Expert(s), I am considering a variable that has a further 5 sub-variables (dimensions). Concerning this, how should I check moderation for such kind of variable? Am I supposed to consider...

05 December 2020 2,890 10 View

Why Porphyrin is purple in color?

Porphyrin solid is purple in color, what factors are responsible for purple color of the porphyrin?

29 November 2020 199 2 View

How to approach native speaker to be a co-author and how to build trust?

For non-natives, a manuscript is often rejected based on the reason that idea is not presented clearly. Please ask a native colleague to proofread it. There is no offense to say that I am...

26 November 2020 7,495 12 View

How to aggregate data (team-level variable) in Mplus/SPSS?

Dear Concern, Kindly guide me regarding the step by step process of data aggregation in Mplus/SPSS. (Pls answer as per your expertise in any of the mentioned statistical software). I have...

27 October 2020 8,554 3 View

How to determine the number of clusters in Cluster Analysis using SPSS?

I am trying to analyse students data to determine the common characteristics of mathematics students. Cluster Analysis would be valuable to get these common characteristics. Any idea or any...

27 March 2020 2,949 5 View

After successful docking, how you can decide whether ligand act as an activator or inhibitor?

The interaction between drug target and ligand (drug) was performed with the help of biotools or online server(autodock or swissdock). After successful docking, how you can predict desired...

14 February 2020 4,434 15 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Aspen Plus Error: Unknown or undefined bead number?

Hello, in my Aspen Plus Simulation (see attachment) there are two heat exchangers. One HEX1 (oil+gas) ist fed by hot gas which ist coming out of a burner. The other HEX2 (gas+gas) shall work as a...

14 February 2021 8,096 2 View

NVT or NPT is preferable for gas adsorption simulation ?

Hi there, In order to perform molecule dynamic simulation on gas adsorption on substrate materials, NVT or NPT ensemble is preferable ? Thanks!

08 February 2021 173 1 View