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 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

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

Recommendation for the EEG neurofeedback device for the motor performance?

Nowadays, researchers can choose the variety of EEG neurofeedback devices from manufacturers. However, considering the application on training the athletes during the movement execution, is there...

04 May 2019 5,327 1 View

Some questions about QC(quartz crystal) in high viscosity liquid?

Dear Sirs and Madams, I have some problems about QC(quartz crystal) in high viscosity liquid. How could I let the quartz crystal resonant in high viscosity liquid?

26 March 2019 1,273 3 View

Recommended RNA extraction method from semi-solid agar?

Hello there, I am trying to isolate RNA from a bacterial band present in 0.5% semi-solid agar. Does anyone have experiencing doing it? Can we fit semi-solid agar into silica-membrane spin...

14 November 2018 7,681 2 View

Does the Fe mineral effect the RNA extraction of bacteria cells? How can I improve the extraction methods?

I am trying different methods for my enrichment culture which contain lots of Fe(II) and Fe(III) minerals (oxidized from 10mM FeCl2). The amount of total cell numbers are around 104-105 cells/ml,...

14 June 2018 6,530 4 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View