Whats the minimum landscape unit for estimating ecosystem service value?

is it possible to estimate ecosystem service value for small units of agricultural land or wetland? . for example, how i can estimate the change is ecosystem services and its values when one...

14 February 2017 4,673 11 View

Can anyone help to identify the attached otolith, fish scale ( may same species) sorted from oceanic squid stomach ?

Can anyone help to identify the attached otolith, fish scale ( may same species) sorted from oceanic squid stomach ?

22 September 2016 5,080 3 View

Among the various globally adopted mix design methods for self compacting concrete which is the most widely used in recent times?

Recent practise of self compacting concrete mix design.

28 October 2014 2,280 2 View

How can I assess the quality of DNA extracted from FFPE tissues?

I have extracted DNA from FFPE tissues (7 - 9 years ago) using Qiagen FFPE kits. I measured the DNA concentration by nanodrop and loaded ~16-20ng DNA to 1.5% gel, but it seems to me there's...

09 October 2014 2,292 4 View

Is there any treatment methods available for plastic coarse aggregates for fire resistance?

Is there any treatment methods available for plastic aggregates (polyethylene) used in concrete for fire resistance? (example: like steel rods are coated to prevent it from corrosion)

01 August 2014 3,427 2 View

Can anyone help with human neutrophil extraction?

I want to isolate human neutrophil after getting the PBMC first. I first put the diluted blood (2ml blood with 2 ml PBS) onto the ficoll paque to extract PBMC. The I took out the bottom red...

28 April 2014 4,210 10 View

Labeling proteins with carboxylate fluospheres using EDC

I am trying to find a working protocol to label some proteins (commercially purchased) with carboxylate modified fluospheres (20 or 40 nm size). I figured out that this can be done using a EDC...

31 May 2013 2,923 2 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

What is the reason film thickness increased?

what is the reason film thickness increased when increased doping concentrations give some reasons The measured film thickness is 156, 282, 394, 548 and 681 nm for 0, 1.5, 2.5, 3.5, and 4.5 wt....

17 February 2021 8,987 5 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

How to measure protein prescence in a tile scan in ImageJ?

Hello all, I have attached an image in which I would like to know the IntDen and/or the amount of protein particles. The wells are custom made, thus looking slightly warped sometimes. So far my...

10 February 2021 3,478 3 View

Xrd result of ZnO thin film shown better crystallinity at low temperature and the crystallinity decreases as the temperature increased. why?

I have synthesized ZnO thin films at four different substrate temperature say, 300, 350, 400 and 450C. and the samples were annealed at 450C for half an hour. the xrd result shown better...

04 February 2021 7,641 4 View

How doping in nano-particles with same valency affect it's crystal lattice structure?

When doping in case of semiconductor is concerned, we doped Si by trivalent or pentavalent impurity atoms to improve its electronic properties but in case of nano-particles, sometimes we doped...

31 January 2021 7,128 1 View

Global parameter in Abaqus?

Hello, im encountered on a problem in Abaqus that i cant solve. Setting: Parameter analysis in Isight include Abaqus model. The Model is a simple shaft hub connection with a standard contact...

26 January 2021 3,349 2 View

What should be the inner radius for practice coaxial cable mm wave antennas ?

I am trying to make a patch antenna for 28GHz and THz waves, but I m having confusion with the dimension of coaxial feed. wherever I find coaxial cables for millimeter dimensions, only the outer...

21 January 2021 7,119 2 View

Any resist stripper which can remove thick metal based polymer residue and which is compatible with doped silicon ?

I am looking some resist strippers which can easily remove metal based polymer residue after post dry etch process. I have some candidates below but not sure if they are compatible with doped...

21 January 2021 3,008 3 View

Is there a solution to this conundrum on freefall into a black hole?

18 January 2021 1,582 3 View