Article of hierarchically structered porous nanofibers by electrospinning?

Hello folks I'm looking for the artice which shows difference of hierarchical structures between membranes and nanofibers. From introduction, I remember it kinda said: hierarchical membranes are...

15 September 2019 470 1 View

Can I approach a Delphi Study with a theoretical framework?

Can I approach a study (a topic/research question that is appropriate for Delphi method) with a preconceived/literature theoretical framework? That means, in my first round of questionnaire for...

27 February 2019 8,213 5 View

Will the aqueous plant extract affect the dpph test?

I had used different solvent (water, methanol and ethanol) to do the extraction. The extracts are further analyzed with TPC test and DPPH assay. However, the results did not correlate with each...

26 March 2016 2,469 9 View

Cranes come in many designs, which design best suit the offshore requirement and why?

The design should consider every possible hazard. Please provide extra information about the design. The design should consider every mechanism involve including statics, dynamics, mechanical...

19 February 2016 5,599 2 View

Is it possible to make p-doped reduced graphene oxide?

22 September 2015 7,856 3 View

Has anyone used Cayman's Catalase Assay Kit? What is the protein concentration used for cell lysate samples?

What is the optimal protein concentration of cell lysate used for this assay kit?

07 September 2014 2,943 2 View

About NF-kB activation in RAW264.7 (murine macrophage) cells

I tried to activate NF-kB in RAW264.7 cells using 1 microgram/mL of LPS and check for the expression using an ELISA kit. However, I couldn't get the results. The kit is absolutely fine because...

15 April 2013 5,477 42 View

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

Apart from Nanosilica and CNT's what are the other nanomaterials readily available to use in concrete mixture?

Nanotechnology in concrete materials

01 March 2021 3,379 3 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View

Compute for the total volume of concrete needed for the concrete pouring of the foundation including its column up to NGL only as shown in the plan?

Looking for the quantity of cement, sand, and gravel of footings and columns. Thank you!

25 February 2021 3,092 2 View

How to find natural frequency of a bridge from vehicle induced vibrations?

i have frequencies of bridge that are effected by mass of vehicle. the problem is when any vehicle pass the bridge it would add the its mass to the bridge mass ultimately mass of the bridge will...

22 February 2021 10,004 3 View

Best FE Program for Concrete Strengthened with FRP Sheets?

Colleagues, I have been using ANSYS to model concrete strengthened FRP sheets, but less than happy with it. Any has recommendation for efficient, easy to use FE program for modelling concrete...

22 February 2021 7,528 3 View

Is there a Constitutive model for concrete with Sea-Sand?

Hi I am running a simulation in Abaqus for a concrete beam. Its fine aggregate replaced with sea-sand. I was wondering if I could find studies that measured the ultimate strain of concrete made...

22 February 2021 6,409 2 View