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

What places do we visit when we have spent time researching?

Every 15 minutes working with a computer we must refresh our eyes by looking at distant objects. Is it true?

14 December 2018 9,360 7 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

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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View