What is any peak other than 11 on the xrd in synthesis graphene oxide?

i use 3 gr graphite H2SO4 120ml H3PO4 13,3 (9:1) and i varying KMnO4 10gr 15gr and 20gr with time process 8 hour (4 hour stirrer graphite H2so4 and H3PO4 temp 97 degg ) and 1 hour adding slowly...

20 August 2020 260 4 View

Varying kmn04 and hummer synthesis time methods for graphene oxide, affected or not?

i use 3 gr graphite H2SO4 120ml H3PO4 13,3 (9:1) and i varying KMnO4 10gr 15gr and 20gr with time process 3 hour (2 hour stirrer graphite H2so4 and H3PO4 temp 97 degg ) and 30 minutes adding...

17 August 2020 4,928 14 View

How do I add the full text of past publications? Do I have to scan them myself and load?

I received a notice that 13 of my papers are not available on line.

09 April 2020 9,419 3 View

Can anyone help me about errors of Process Macro multiple mediator analysis with model 4?

When I start PROCESS I get two error messages: ->Error 12410 Source operand for EVAL is not balanced. > >Undefined error #12354 - not found in file .. How can I solve this...

26 March 2020 6,738 2 View

How to input multiple conditions in excel IF nested function?

Hi community, I am facing some issues to input the conditions when I use the IF formula. Can anyone please enlighten me on this? So far, I have this formula, =IF(B1

19 January 2020 7,558 2 View

Has anyone carried out public health expenditure reviews on spending on nutrition in their country ?

If you have carried out national budget analysis for nutrition expenditure I would love to read your research findings

03 October 2019 5,213 2 View

Which primers should I use for WT TP53 (qPCR experiment)?

Hi everyone, I am a student fairly new to experimental research! I am looking to do qPCR on different sarcoma samples to confirm the presence of TP53 (17p13.1). Since I am not seeking the presence...

10 December 2018 3,810 5 View

Is there a preliminary test to identify the presence of xanthones or benzophenones in plant extracts?

I want to know how to screen plant materials for the presence of xanthones and benzophenones. This will help me start with a research project on plant species in the Philippines which are...

02 December 2017 8,614 3 View

Can anyone help me with ecological analysis with extra zeros count data?

Can anyone help me with the statistical analysis of my study on the diversity of algae and the effect of abiotic parameters? My data count has many zeros which I cannot use CCA or PCA. I...

09 September 2017 4,180 2 View

Hi! I'm looking for a questionnaire and/or a semistructured interview about homosexuality among refugees. Does anybody have some advices?

I'm writing my master thesis about intersectionality among homosexual refugees in germany and austria. Homosexual refugees have to fight against 3 stigmata: refugeehood, nationality and...

02 November 2016 382 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 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

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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 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

How do you write a simplified C block code of this average-current control on PSIM?

This is a Buck (step-down) Converter and I am new to this program. I need to program with simplified C block and I actually don't know what to do. Can anyone show me how to do this? Or at least...

02 March 2021 8,233 1 View