Can minerals change their color when the pH solution change ?

I have cultivate fungus in medium containing glucose and some minerals, such as CaCl2.2H20, MgSO4.7H20, (NH4)2SO4, and KH2PO4 in different pH (3,4,5,6,7,8,9). I set the initial pH with adding NaOH...

04 September 2019 2,587 5 View

Hi, I'm writing a thesis about stochastic frontier analysis using panel data bc95. How to test the hypothesis for parameter of inefficiency?

Hello everyone.I'm using STATA and journal of Battese and Coelli (1995) to estimate the efficiency of fiscal decentralization (two stage procedural). in the journal there is some test of...

09 September 2018 9,824 10 View

I am looking for some advises on my thesis about leadership styles and employee engagement?

Dear Colleagues, I am working on my master thesis with the topic of perceived leadership styles and its impact on employee engagement (or employee satisfaction) in the marketing research...

07 May 2018 6,117 5 View

Hello everyone, should we use Kakusan software for Bayesian analysis?

18 April 2017 4,571 3 View

Is it possible to construct a PCR primer based on the EST Clone data?

From the Microarray data (based on the EST clone), I found several genes that needs deeper research to find out the gene expression under heavy metal stress. Thus, we need to conduct an qPCR to...

28 July 2016 256 3 View

How to measure leaf density in rice or other leaf plant?

I want to measure leaf density in coffee leaf. i found one paper about leaf density in rice, but in that paper there are no ecplanation about method to measure it.

16 June 2016 3,788 3 View

Can anyone suggest some DNA plasmid isolation protocols?

I'm going to isolate plasmid from unknown soil bacteria, is there any simple plasmid isolation protocols? Since using a kit is actually my last option, so I'm trying to use manual protocols...

31 August 2014 2,053 2 View

Do all of Mer genes (in all of bacteria) have some kind of similar sequence?

Is there any similarity between Mer genes sequence in all bacteria? i'm trying to isolate mer genes from unknown bacteria from gold mining site in Yogyakarta, Indonesia. If all of the mer genes...

14 August 2014 4,433 2 View

What is the best way to assess memory spatial performance of the rat?

Assess spatial memory performance for rat

14 November 2012 7,626 6 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

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

Please can i get topic and materials that will relate computer with telecommunication companies?

I am a master student and i am working on my research, so I am a bit confuse don't really know how to match computer with telecommunication as a topic

28 February 2021 7,039 6 View