Unusually Busy Raman Background?

Hello, I am observing a nearly periodic background spectrum for a wide variety of SERS substrates. I see this response (attached below) for bare Au films, Cu films, and Au nanoparticles on...

15 February 2021 9,922 5 View

What crossover operators can be used for a GA that finds suboptimal positions for a set of buildings?

I'm currently working on my undergraduate thesis where I develop a genetic algorithm that finds suboptimal 2D positions for a set of buildings. The solution representation is a vector of real...

11 January 2021 9,835 4 View

How did Rutherford and Thomson derive the equation for average deflection of a particle hitting an atom?

08 November 2020 9,046 2 View

Converting csv files with data for mapping rainfall on QGIS?

Hi, I am hoping to produce rainfall and temperature maps for a current project in QGIS. I have csv data downloaded which have been imported into QGIS. My aim is to be able to produce rainfall...

10 October 2020 4,930 5 View

How to control variables in a water hammer experiment?

I'm doing a high school experiment on how the impulse of water hammer is affected by pipe diameter, and I'm unsure of how to set up my experiment. My primary concern is safety and validity: - Is...

06 September 2020 1,252 3 View

Incorrect simulated conductance value compared to analytical solution using ANSYS Maxwell 2D?

31 May 2020 7,991 3 View

Reaction of hexamethyldisiloxane (HDMSO)+O2=SiO2+?

I'm giving a presentation on semiconductors and specifically the SiO2 insulating layer. The presentation is on kinetics so I kind of need to know the reaction. Problem is the papers I'm reading...

30 March 2020 8,643 3 View

Efficient preps for chunky human adipose tissue?

Hi all, I aim to isolate SVF from the tissue. However, we sometimes receive big chunks of tissue that is not through liposuction. I've been wondering is there a ingenious way to efficiently prep...

24 February 2020 6,104 1 View

Predicting the Age of home buyers - model based method?

All, I have a data-set which contains information on both the type of property an individual(s) purchased, along with some information on the individuals themselves. However, I am missing age...

19 February 2020 5,728 3 View

Are full-scale performance-based drama projects for adult EFL learners worthwhile?

Hello, I wonder if anyone would be kind enough to help with research for my dissertation concerning attitudes and approaches to full-scale stage or screen performance-based drama projects for...

27 January 2020 3,167 2 View

How do I measure Arabidopsis germination rate?

Hi there, I'm looking for a way to measure the Arabidopsis germination rate, like what media I should use to plant the seeds and what indicator I should see for germination. I'm planning to...

02 February 2021 4,785 3 View

What type of false light is best for checking seed germination (in dark treatment)?

Hi I have been asked to check a weed species germination characteristics in "light" and "dark" treatments. Can someone please advise what type of "false light" I should use to check germination...

14 January 2021 5,943 4 View

What will be the appropriate data collection method and data analysis that I can employ with may experimental research on squash germination?

I am conducting an experimental research on the germination enhancement of squash affected by mechanical, chemical and thermal scarification methods..i have researched about time- to-event method...

27 December 2020 7,133 3 View

Why do the allelopathic produce a positive effect?

Following an experiment where Zea mays and Cucurbita pepo seeds were planted individually and together, results showed a positive allelopathic effect on germination and seeling lenght as both...

03 December 2020 1,875 6 View

Can anyone help with setting up the R germinationmetrics Package using multiple species and treatments?

I have 14 species, 6 temperature settings and two treatments to examine germination responsiveness over 59 days. I want to start with some basic info for plotting (t50, Gmax etc). I want to...

18 November 2020 7,160 4 View

In arid regions, what environmental factors have a greater effect on the establishment and germination of rangeland plants?

In arid regions, what environmental factors have a greater effect on the establishment and germination of rangeland plants? Describe the effectiveness of the priority

16 November 2020 3,642 9 View

What is the index of germination and howa calculate it??

16 November 2020 4,856 8 View

How to equalise scale (length ) in different size images?

I have 3 images of plant germination and each image is of different dimensions. I resized all of them using paint to 600 (width) X 450 (length) pixels. But the scale size in the 3 images is of...

04 November 2020 4,134 3 View

R package for GLMM with phylogeny (but not for community composition)?

Hello, I have a dataset derived from a multi-species experiment that I carried out. I have 30 different plant species from several families and 3 geographical groups. I applied 6 different...

26 October 2020 874 3 View

What density do we best consider an experimental unit as a missing plot in Soybean and groundnut. Can someone help share related journals?

Many field experiments particularly for crop plants faces challenges from sowing to germination to phenology up until yield. Too much a few of these challenges includes birds infestation,...

18 October 2020 7,436 4 View