Are there mathematical or statistical processing of satellite imagery or digital elevation data in the detection of historical buried rivers?

In the lands with ancient plain sediments, the courses of rivers change dramatically over time for easy movement and the arrival of rivers to an advanced geomorphic stage. Are there mathematical...

02 January 2021 3,098 3 View

Detection of old river streams?

What are the methods of detecting the ancient streams of rivers using remote sensing, and do the satellite images achieve the possibility of detecting and tracking the change.

02 January 2021 5,213 4 View

As a researcher, do you consider yourself a designer?

Researchers go through lengths to convey technical information to both fellow academics and the public. Many struggle with the tools and technologies to effectively make this happen, and others...

20 April 2020 9,049 17 View

Can author published his or her old prospective study in a peer review journal?

Can author published his or her old prospective study in a peer review journal? For example 20 years ago.

13 February 2020 9,717 5 View

What ratio of TEMED is necessary in N-isopropylacrylamide polymerization?

I am working on NiPam polymerization and I am unsure of the necessary ratio of TEMED necessary to achieve the correct polymerization ratio for the reaction to occur. I am unable to use nitrogen...

12 November 2019 4,499 3 View

What is the more interest topics in smart city today's?

I wish to write an article in a smart city.

09 October 2018 6,197 1 View

A man builds a house with all 4 sides facing south. A bear walks past the house. What color is the bear?

A man builds a house with all 4 sides facing south. A bear walks past the house. What color is the bear?

02 March 2018 6,606 2 View

A bear falls into a 5 m deep hole and hits the bottom of the hole after 1.00861 seconds. What is the color of the bear?

A bear falls into a 5 m deep hole and hits the bottom of the hole after 1.00861 seconds. What is the color of the bear?

02 March 2018 3,865 0 View

Could you please tell me how to measure alpha-amylase activity by Dinitrosalicylic Acid Method (DNS)?

Biochemists, Microbiologists, Dear colleagues, I want to measure alpha-amylase activity by the Dinitrosalicylic Acid Method (DNS) but I have a problem. Could you please tell me how to do, how and...

01 October 2017 5,533 4 View

Why I can not obtain a clear solution of ZnSO4 with water?

08 September 2017 4,093 5 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

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View