Need help for identifying the possible Najas species？ updated pictures of detailed leaf structure

More Yu Cao's questions See All

Are there any instruments for studying time similar to the way it is in space?

There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...

06 August 2024 7,102 0 View

Mass spectra averaging algorithm?

I am now developing a python module for ms2 database searching, would like to realize a function that similar to what Xcalibur did, choose multiple mass spectra and get an averaged spectra. But...

22 July 2024 3,975 1 View

Concentration of gelatin as brain model ?

I am using gelatin to model mechanical properties of brain tissues in-vitro. Do you have any suggested concentration ? Thank you so much.

19 July 2024 3,095 0 View

My Cyclic voltammetry curve doesn't show cathodic peak of Cu2+ to Cu+. how to solve this problem?

I performed CV of Cu-MOF in a buffer solution of pH 8, and we did not find any peak corresponding to Cu2+ to Cu+. What is the reason behind this? Please give your valuable suggestions.

08 July 2024 2,388 4 View

How to obtain authoritative data on the international shipping industry?

It is best to have the route distance between ports, the size of the shipping alliance market, direct service, the number of ships owned by the shipping alliance and the congestion of ships in the...

06 July 2024 845 1 View

Does the quantum confined effect affect the peak position of PL intensity?

The lower PL intensity for ultrathin MOF than that of bulk MOF also indicated a quantum confinement effect due to the ultrathin morphology of Cu-UMOF.

27 June 2024 4,855 0 View

The active area of the electrode is calculated based on the non-Faraday current. Why isn't the current density above or below zero?

Why isn't the current density above or below zero?

27 June 2024 9,283 2 View

How to Differentiate Tuffaceous Matrix from Clay Matrix in Sandstone Thin Sections?

I am conducting a study on sandstone samples and need to accurately differentiate between tuffaceous matrix and clay matrix when examining thin sections under a polarized light microscope. While...

20 June 2024 3,270 0 View

How does ABAQUS call the 'fil:no' variable using the subroutine GETVRM?

I am trying to get the dissipated energy densities of PENERD, CENERD, VENERD and DMENERD for each incremental step using the GETVRM subroutine. Part of my code is as follows: call...

13 June 2024 4,100 0 View

How to define viscoelasticity in ABAQUS?

I am trying to define the viscoelastic parameters of a rubber material using abaqus, but I don't quite understand how to proceed. I now have stress-strain curves at different temperatures, and...

13 June 2024 3,150 2 View

How do soil microflora interact with plant roots and influence plant nutrition, health, and productivity?

06 August 2024 9,618 3 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

The Curse of Evolution and Complexity?

Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...

05 August 2024 6,247 3 View

For systematic review data extraction, should I use ITT or PP analysis, and count all randomized participants or only those who completed the study?

I am conducting a systematic review and meta analysis; as I am extracting data I realized there is a consort diagram that shows the number of patients from randomization till end of the study. So...

01 August 2024 9,993 3 View

How do soil microbes affect plant health and productivity and how do plants interact with soil microorganisms and contribute to soil fertility?

31 July 2024 5,087 4 View

What is the role of decomposers in the cycling of matter in the biosphere and role do soil microbes play in plant nutrition availability and uptake?

31 July 2024 7,921 5 View

How microorganisms are important for maintaining of healthy soil and biodiversity and microorganisms and plant roots contribute to soil formation?

31 July 2024 8,939 5 View

How can I handle unavailable papers in a systematic literature review?

Context: I am writing a Systematic Literature Review (SLR) as part of my master's thesis project. After initially screening the titles and abstracts of 338 papers from four selected databases, I...

29 July 2024 9,370 4 View

I am working on my Master's thesis on the biogeography of the genus Ruagea and I would like to ask, could someone help me to check whether my result?

I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...

28 July 2024 2,979 1 View

Could you try using PeptiCloud and see if it's a useful tool for biology research?

PeptiCloud (www.pepticloud.com) is a bioinformatic platform that allows researchers to organize and share their data for their projects as well as collaborate with others in one place. Through...

28 July 2024 4,762 2 View