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

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

No amplification data for qPCR on MxPro?

I have set up a qPCR run on MxPro with SYBR green and ROX as a reference, however, when I go to the analysis section the program seems to only collect data for the dissociation curves and not the...

25 February 2021 8,039 1 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Problem with ligating 2.8 kb insert into 8.5 kb plasmid?

I am trying to clone 2 copies of the same mammalian gene into the pSF-CMV-Ub-Puro Ascl (contains HindIII, KpnI and NheI cut sites) plasmid. This is what the final product is supposed to look like...

24 February 2021 6,310 3 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View