How to convert soil N% into Kg/hectare?

1. Please anyone tell me if I analyse my soil nitrogen through CHNS analyser and I get my reading in N% and according to the calculation if my reading is 0.07% then: N Kg/hectare =...

14 January 2021 7,383 11 View

Detailed dimensions for sub sized tensile test specimen as per ASTM E8 standard?

I am looking forward to make a sub sized specimen for tensile testing with 6 mm diameter, but what should be the appropriate Diameter and length of end sections.

17 August 2020 915 5 View

How to plot data in 10X10 matrix in which all the diagonal elements are 0 and the matrix is symmetric about the diagonal?

I have a data of comparison of 10 proteins with each other under two parameters i.e 100 entries in the shells of two 10X10 matrix in excell sheet. I want to see whether both of these data sets...

02 March 2020 1,593 5 View

Does it require testing each topical formulation of our drug in laboratory animals, if drug has showed potential at some concentrations?

We have evaluated the wound healing potentials of a compound at a particular concentration in ointment form in laboratory animals. Now, we are preparing different types of topical formulations...

14 January 2020 2,893 6 View

Problem in downloading particular ZINC database file, suggestions?

Can anybody provide me with underneath Zinc database (.sdf format) https://zinc.docking.org/substances/subsets/biogenic/ or suggest me how to download this database. Although, I have tried many...

27 November 2019 7,112 8 View

How to determine percentage of involvement of an input feature to perform the desired classification?

Say we have categorical input features, using those I have solved a multiclass classification problem. Say using Random forest and Naive Bayesian classifier. I want to know how can I determine...

23 May 2019 7,730 1 View

Graphene oxide synthesis?

i am getting yellow colour of the final solution after 1 day is it symbol of graphene oxide formation ???

02 May 2019 6,850 4 View

What are the different Nonclinical Pharmacological/Toxicological studies required for the development of Topical Drugs for wound healing?

I am testing some compounds for wound healing in rats (rodent) and want to further extend the research for the drug development for wound healing in animals/human. So, please tell me the different...

30 March 2019 8,252 3 View

How often do you use professional writing services for improving language quality of your research articles ?

How often are your articles rejected due to poor or ineffective language of the content in the article? How often do you have to take help from professional writers for improving the language...

26 March 2019 2,678 9 View

How to calculate average contact pressure of actual contact area in COMSOL?

Hello, Im simulating currently contact pressure in COMSOL 5.3a. For that i want to know the average contact pressure for every time step. I know that you can calculate the surface average, but my...

13 February 2019 3,249 1 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View