How the year 2021 can be made good for global community?

Many steps can be taken to make the year 2021 good for humanity. For instance, if powerful and rich countries decide and spend some part of their resources for the improvement and betterment of...

30 December 2020 830 4 View

What was the most worst thing and what was the most beneficial thing that happened for global community in 2020?

Many bad and good things happened for global community in 2020. However, the present question is about one top most worst thing and one top most good thing that happened in the world in 2020 and...

30 December 2020 6,262 3 View

What can happen in the world if large scale melting of continental and alpine glaciers occurs?

Several environmental experts have warned about the global warming and its effects on different ecosystems. It may also cause large scale melting of continental and alpine glaciers. If this...

23 December 2020 4,630 3 View

Is there any relationship/correaltion between 1) elastic modulus and adhesion or 2) elastic modulus and density of solid material or polymers?

21 December 2020 1,853 3 View

I am performing enzyme inhibition assay and the substrate is fluorogenic & fluorescence was measured. Now I want to calculate Vo and Vi. How can I ??

These are the per minute fluorescence observed. Please guide me how can I determine Vi, Vo and IC50 ? By slope determination or any other method? Control: 28.11 40.30 40.78 37.61...

11 December 2020 1,037 4 View

Which countries have comparatively more secure future, agricultural or industrial?

Agriculture provides for almost all the basic needs essential for survival and industries provide mostly the luxury commodities required for comfortable life. However, some countries are heavily...

07 December 2020 2,153 15 View

How many fish kinds are found in the world and how much of them are edible as human food?

About 71% of the earth's surface is covered by the water bodies which contain huge amount of creatures. Humans are commonly concerned with fish because it is consumed almost in every part of the...

06 December 2020 8,146 4 View

Is electromagnetic radiation seriously harming immune system of human body?

Presently we are living in 'electronics age'. Use of electronics has dominated every sphere of life in almost all parts of the world. All electronic appliances release electromagnetic radiation...

08 November 2020 1,558 2 View

How can I apply Cyclic loading in ANSYS Mechanical APDL as a second Load step after a Static 1st Load step?

I am simulating a masonry wall under in-plane cyclic loading. Before the cyclic load is applied, it must be loaded with gravity direction surcharge load (or pre-compression). However, whenever I...

14 October 2020 3,253 1 View

I am operating 2.5 MGD combined effluent treatment plant but the pH is increasing in the aeration tank and reaching 9.2 which is affecting microbial?

Any one can guide me that how can I increase MLSS concentration in aeration tank of Activated sludge process. The pH of influent coming from primary clarifier was 7.1 and after taking water in...

30 September 2020 8,846 7 View

How do you start building a data set for machine learning?

-Required are DEM/DTM satellite data from mountain ranges without glaciers. For example SRTM 30m. -The data has 3 parameters only. X, Y and Elevation. There is no need for georeference or...

22 January 2021 4,059 6 View

Whitebox GAT working with big data?

My goal is to extract diches (small stream) from a LiDAR DTM in a flat area. The problem is that I have a big data (13 GB) and some process like "breach depression" are too slow to be run in...

17 February 2019 2,123 1 View

Is there anyone who can share me the Digital Terrain Model (DTM) of Queensland (Australia)?

I am looking for the DTM of the Queensland state, Australia. Where do you guys think I can get it from? I really need it for my project!

06 February 2019 9,658 3 View

Whitebox GAT working with big data?

My goal is to extract diches (small stream) from a LiDAR DTM in a flat area. The problem is that I have a big data (13 GB) and some process like "breach depression" are too slow to be run in...

01 February 2019 9,287 2 View

Is there anyone who can share me the Digital Terrain Model (DTM) of Queensland (Australia)?

I am looking for the DTM of the Queensland state, Australia. Where do you guys think I can get it from? I really need it for my project!

01 February 2019 8,569 3 View

How to prepare DTM for calculation topographic wetness index?

Hi everyone. I have a technical question about Topographic Wetness Index, specifically about DTM preparation for calculating this index. I have DTM 1m for a very large area. I know the formula...

31 December 2018 1,347 6 View

Error=Exact value -Approx. value, why the difference between the results of numerical and approx. analytical methods is called error in most papers ?

It is well established that "Error=Exact value -Approx. value", but in most published papers even in prestigious journals by some respected authors, the difference between the results of numerical...

31 December 2018 6,696 2 View

How can I obtain the differential transform(DTM) of ln(1+aT(x))?

I want solve the heat equation the temperature dependant materials, by using Differential Transform Method (DTM). I need transform ln(1+ a T(x)). a: is a constant, x: is the variable and T: is...

08 September 2018 8,915 1 View

Can you please help me how can me convert pixel to meter in matlab?

I have done transects across DTM and DSM image but it's by pixel and I need to convert to meter. Thanks

02 March 2018 7,700 2 View

Why do we do bundle block adjustment in DSM/DTM/DEM generation using UAVs?

While trying to generate DSM using UAV acquired data, I am confused with step by step processes that are carried out. I believe, it all starts with extracting keypoints/tiepoints, then we get...

09 October 2017 7,165 6 View