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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

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