How can I build one phylogenetic tree for an arthropod community when I had known their scientific names?

I am working on the phylogenetic analysis for communities of plants and arthropods. A standardized protocol of building phylogenetic tree for plant species list that was widely used in studies....

29 December 2020 181 3 View

Why am I unable to coat oleate-capped NaCeF4:Gd,Tb nanoparticles with mesoporous silica shell?

My oleate-capped NaCeF4:Gd,Tb NPs have been synthesized via the thermal decomposition method. 1mmol of NPs has been dispersed in 20 ml of cyclohexane. I have tried dissolving 1 ml of NP in...

01 December 2020 4,713 2 View

How to explain reason for using 0.1 as margin of error?

I currently conduct research on factors that influence career choice and I decided to use 0.1 as the margin of error. My supervisor asks me to explain the reason the value is selected. What reason...

23 November 2020 4,764 2 View

How to analyze correlation of multiple answer dependent variable with independent variable using SPSS?

My research had a multiple answer dependent variables. How can I use spss to find the correlation of the dependent variable and independent variables? Should I use define multiple response set first?

23 November 2020 753 3 View

How is the quality of archived blood sample for HbA1c test?

HbA1c is an important indicator of long-term glycemic control with the ability to reflect the cumulative glycemic history of the preceding two to three months. Also, HbA1c is measured as the ratio...

16 September 2020 2,423 4 View

How to gain the access to image recognition?

I am graduate from other major, and now working in computer science and technology, my roomates are mostly researching on image recognition. I want to switch to it and learn how to cooperate with...

21 August 2020 2,888 9 View

What are the current research results on est- SSR primers in azaleas?

I plan to conduct research on est-ssr primers of rhododendrons. I would like to know the research results that have been completed so far. If anyone can give me some Suggestions, I will be very...

31 May 2020 3,936 3 View

Is there a catalogue of Trichoderma isolates? How are these isolates given names?

Hello everyone, I've been trying to find out how certain isolates are given a name and where to find a list of established names. e.g. there's T. asperellum T54, T. spirale T4, T. hazarnium T40...

10 April 2020 3,862 3 View

Why did I get so many negative clone after electronic shock when constructing a phage library?

I use phagemid pCDisplay3 and M13KO7 to construct Human Naive phage library. before digested with SfiI , I prepared ScFv (750bp) using gel purification. After electronic shock , ,plating on...

26 March 2020 4,023 2 View

Why is the anodic active dissolution of the treated sample promoted?

In the polarization curve, the anodic active dissolution of the treated Mg alloy was enhanced compared to the bare sample, why? The treated sample surface was modified by ions implantation.

15 March 2020 7,787 3 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

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View