Which heating methods do you recommend for establishing a poultry house (oil heater, gas heater, electric heater)?

I think a gas heater is better for the lower operating costs

03 January 2021 385 18 View

Do you think that the president in Iraq should be able to change the economic situation?

13 December 2020 7,193 3 View

Should I take sample from surface or subsurface for soil analysis?

I am currently doing my final year project on Geochemical analysis of peat samples. I will be looking at parameters such as major and trace elements plus anions and cations. Should i take samples...

27 November 2020 6,668 18 View

#Questionnaire, Big data?

Hello, i'm doing about using big data in telecom companies, but i need a questionnaire to measure big data using, can any one give information about that. thanks a lot, Nechirvan Othman Master...

20 February 2020 4,408 3 View

Saffranin and fast green Staining ?

I need to stain the stem of lily flower (semi-herbaceous). is their any commercial staining that can be used directly. Also, Is their any updated procedure or commercial product (mixture) of...

18 January 2020 3,769 1 View

What is best book to start study charge transport in organic semiconductors?

Could you suggest a good book or review articles on electrical transport and mechanisms in organic semiconductors.

17 December 2018 253 2 View

Can oxalate ion oxidaise V(IV) to V(V)?

Greetings I am engaged with the preparation of VO(II) complexes with the different bidentate amine ligands and the oxalate ion. The starting complex (NH4)2VO(C2O4)2 has been prepared by...

30 August 2018 2,028 6 View

Minirhizotron images data set for root?

Hello, I'm working on olive study and I'm using minirhizotron images to estimate root density in soil profile. However, the image analysis software provide an extra data such as, root surface...

19 November 2017 5,621 3 View

Aquapoinic culture system?

Hello, When we use the aquapponic culture system, does the water that come out from the fish tanks has all nutrients (Macro and micro) that the plant need or should we add some? Thanks

11 November 2017 3,224 4 View

Any one can help in how to make coupling between FSI and Piezoelectric in Comsol multiphysics ?

I'm trying to make coupling between fluid solid interaction and piezoelectric in Comsol multiphysics, in which the fluid passes over a piezo-beam and deform it to generate electric charge (energy...

05 November 2017 2,831 3 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View