Atmospheric correction code in Google Earth Engine (GEE)?

I am looking for options of GEE JavaScript code to perform atmospheric correction of Landsat 7-8 and Sentinel-2 directly within the GEE Code Editor. I intend to use harmonized Landsat 7-8 and...

26 October 2020 7,047 8 View

Purification of Octapeptin C4?

I am doing synthesis of Octapeptin C4 analogues with variable tail moieties as part of my project. I have made the final compound, which is cyclized and all BOCs removed. The problem is, I can't...

16 December 2019 1,730 2 View

How to analyze a two factor RM ANOVA ?

Suppose you have (a) different groups of (m) similar subjects each. You give them all ( i.e the m xa subjects) the same treatment repeatedly for (b) days. You take daily measurements of the...

30 April 2019 8,234 4 View

How to use the values of several categorical variables to create new categories in SPSS?

I will explain my question with a simple hypothetical example. I have a dataset with nodules of the thyroid gland, containing the next three categorical variables: 1. Scan. The value is either...

03 April 2019 6,404 9 View

Help me to formulate this PhD Topic?

The effect of Integrated Soil -Water and Sanitation as an Adaptation Mechanism to Climate Change in Water-Scarce Areas . Can I find also a supervisor?

22 January 2019 3,572 9 View

What are the best references for analyzing data on Stata using statistical functions on the menus instead of typing commands?

I need to analyze data on Stata, but it's a new world for me (I've 25 years of SPSS...) All the tutorials I've found on the internet teach us to type commands on Stata to perform the analysis. I'd...

15 April 2018 5,957 6 View

How do I convert ERA Interim precipitation estimates from kg/m2/s to mm/day?

I want to compare ERA Interim precipitation estimates with ground measurements so i do not know to convert the data from kg/m2/s to mm/day. Thanks in advance Nkiaka

01 March 2016 6,337 16 View

Is there an alternative way of converting Odds Ratios to Risk Ratios without relying on prevalence of a health outcome in unexposed groups?

01 July 2014 5,635 2 View

Can a variable assume the role of a predictor as well as a confounder in the same study? If yes, why? If no, why not?

Example: IN the association between education and family planning, economic status was considered as a confounder. IN the same study, can we consider education as a confounder in the association...

14 February 2014 9,856 8 View

How do I objectively choose a statistical approach when I want to publish?

It is a common concern to hold alpha values at 0.05 and that it is completely arbitrary. I have been interested in using other methods, but I know that there may be pushback from editors to use...

09 September 2013 5,594 5 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View

By which mechanism does potassium hyrdoxide works as an activator in the preparation of activated carbon?

Activated carbon is prepared from biomass using KOH as the activating agent. What is the possible reaction between KOH and the biomass?

14 February 2021 8,095 4 View

What could be the possible reason for the drastic variation in Qmax value for same adsorbent onto two different cationic dyes itself?

The adsorption capacity of the rice husk biochar was varying drastically with two cationic dyes namely Basic Blue 41 and Basic Red 09? What could be the possible reason behind this?

30 January 2021 1,420 3 View

What is the mechanism or interaction between Fe3O4 magnetic nanoparticles and biochar?

Lately there are many studies on biochar incorporated/loaded/coated with Fe3O4 magnetic nanoparticles. But I havent found any paper that describes the interaction or bonding between the two. How...

20 January 2021 3,162 4 View

What is the minimum number of plots to apply i-Tree Eco assessment for carbon storage and sequestration on a 700 hectares of urban forest ?

I want to do a sample inventory of a 700 ha forest to have the amount of biomass and apply i-Tree Eco to determine carbon storage and sequestration. I would like to know the minimum number of...

17 January 2021 5,343 3 View

Why does activation process called as activation? what does the term means actually?

I'm referring to activated carbon activation. Activation process does increase the surface area and functional groups content in activated carbon compared to biochar and raw biomass. But I'm...

30 December 2020 6,514 1 View

How to calculate the flow rate required for fluidization for a fluidized bed gasifier ?

We need to calculate the flow rate of air required for fluidization of the bed. We have a compressor which gives air at 7 bar and a 1 bar rotameter for measuring the flow rate in LPM. How can I...

16 December 2020 2,092 3 View

What is the glucose content in Cellic CTec2?

Hi, I've determined the glucose content in Cellic CTec2 enzyme blend and it is 12-14 mg per 100 mg of enzyme blend. Could anyone share with me your results so I can compare it with mine?

08 December 2020 6,312 3 View

Methods for non-destructively calculating hedges biomass?

Hello, I intend to calculate the biomass and carbon of intact hedges looking at above and below ground components. Could someone please recommend an accurate and verified technique for recording...

06 December 2020 9,681 2 View