What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

What is the minimum number of studies in each category required for a multiple subgroup analysis to be viable in a meta-analysis?

Cochrane Handbook mentions subgroup analyses are only warranted if there are more than 10 studies (I have 28), and if they are distributed evenly among categories of subgroup. I am wondering if...

17 February 2021 3,467 4 View

How do you interpret multiple meta-regression in STATA?

Please could someone recommend a resource that explains performing meta-regression with multiple moderators. I have read the STATA META ANALYSIS REFERENCE MANUAL, but this only gives examples of...

17 February 2021 7,376 1 View

How many indicators do I need to represent a latent construct?

Hi folks! We did a large survey and planned to use 3 indicators to represent a latent construct (Sense of Place/SoP) in a latent regression model (structural equation modeling). However, one of...

15 February 2021 7,705 3 View

What is the structure of a photon that can describe the interference experiments that reject the wave nature of light?

De Broglie's double-solution postulated a causal model of Quantum Mechanics. Knowledge of the photon structure was needed to model the particle part of the cause of the Double Slit interference...

11 February 2021 6,869 5 View

How do you incorporate a study that used non-parametric analysis into a meta-analysis where majority of studies used parametric?

I am calculating Hedge's g for effect sizes, so I am pulling means, SDs, and Ns, from each study. However, one study did a Mann-Whitney U test, and so reports Mean Rank, Sum of Ranks, U, Z, and r...

31 January 2021 1,182 5 View

How to share a struct between client.c and server.c in Contiki RPL UDP ?

I'm trying to include udp-client.c in udp-server.c to share a struct between them But I keep getting this error udp-server.c:67:1: error: redefinition of autostart_processes In file included...

16 January 2021 5,013 4 View

How can I carry out the experiment in MATLAB?

03 January 2021 9,377 2 View

Do you know any CEFR-annotated learner corpora for writing tasks?

Dear researchers, I have been working on a machine learning algorithm to classify language learners' writing tasks automatically according to the CEFR levels. The aim is to use...

03 January 2021 7,041 2 View

Who are the leading Indigenous academics who have researched and published on STEM teaching and learning?

I'm interested to read what leading Indigenous academics have to say about the intersection between traditional or Indigenous knowledges/epistemologies, values/axiologies and ways of...

14 December 2020 10,026 10 View

Can any suggest me good method of GC MS for the separation of Flavonoids?

I prepared the ethyl acetate, ethanol and butanol fraction from the ethanol extract of seed for isolation of Flavonoids. Amongst them ethanol fraction showing shinoda test positive for polar...

13 February 2021 8,263 3 View

Equation to calculate Chlorophylls and carotenoids concentrations from a MeOH:HCl 1% (v/v) plant extract solution?

Hello everybody! I have performed an acidic MeOH:HCl 1% (v/v) plant extraction from Arabidopsis leaves to calculate Anthocyanins concentrations based on: Rabino, I., and Mancinelli, A. L. 1986....

25 January 2021 3,686 2 View

Can anyone help me to separate my phenolic compound in TLC with any new solvent system ?

My Compound is Leaf powdered Methanolic extract which is showing good phenolic compounds upon dipping in FeCl3. -My problem is phenolic compounds are not eluting with any common solvent system.

22 January 2021 4,693 7 View

What is corrct way to define ports when simulating FSS and surface waves in CST?

I need to simulate a mushroom FSS and I'm struggling with the ports. What's the correct way to define them? Should I construct a proper SMA connectors, or is it enough to put a waveguide ports...

19 January 2021 6,590 4 View

Can anyone identify this fungus/mushroom from China?

The pictures were taken in Guishan Mts in Yunnan. The fungus is ca. 10-12 cm high.

07 January 2021 6,639 10 View

Why a methanolic semi solid plant extract when again dissolved in methanol does not give a homogeneous solution?

A clear methanolic extract solution obtained after filtration when concentrated gives a semi solid extract. Now this extract for a quantitative analysis needs to be taken by weight and made a...

30 December 2020 2,778 7 View

Can anyone specify the reasons behind the different microorganism inhibitory patterns between aqueous and methanolic plant extract (disk diffusion) ?

I have prepared an aqueous extract and a methanolic extract of a plant. Using the disk diffusion method, the microorganism inhibitory pattern I am intended to observe. In several literature...

20 December 2020 9,830 11 View

How to identify the compounds present in the methanolic extract of Artemisia leaves using LC-MS?

I have done LC-MS of the methanolic extract of Artemisia leaves. I have got the chromatogram, but due to the unavailability of the mass library I am not able to interpret the results. How can I...

14 December 2020 2,446 4 View

Hi Is there any one, who help me in processing my raw data files of some mushrooms of LC-MS , by using MZmine2, MS- Dial etc ?

I have received some of my LC-MS raw files but I can not process it by using MZmine2. MS Dial, for compounds detection. Thanks in advance.

02 November 2020 3,564 5 View

No title

mushrooms play a vital role in human life used for food, medicine, and chemical industries, many edible mushroom-like morels can not be grown by a human, and this type of mushrooms are called...

18 October 2020 1,457 12 View