Can any one guide exact calculation for Initial surface absorption test including Cum. 2 hr Absorption (mls/m2) & Equiv. Sorptivity (mm/min1/2)?
hi, is anyone can share SCC mix design using Penttala design method. in Excel format for Creating a SCC mix design for my rproject ?
10 November 2018 5,364 2 View
How can i quantify concrete characteristic performance using different type of admixtures like high range water reducing admixture, air entraining admixture , viscosity modifying admixture...
06 July 2018 3,544 5 View
Can anyone suggest , how to design Pervious concrete design upto M25 for at different voids % & different paste volume as per ACI 522R 10 in excel format?
11 December 2017 1,715 3 View
what will happens on strength and shrinkage of concrete when magnesium lignosulphonate blend with phosphate?
09 October 2017 3,080 1 View
how can synthesis polycarboxylic ether in lab of APEG & MPEG type?
07 August 2016 8,638 0 View
Is there any relation for pace rate applied in both commpressive and flexural strength ? how pace rate determined as the size changes for cube or beam ?is there any calculation to determine pace...
31 December 2015 395 3 View
ASTM 1702 is related to heat of hydration of cement.i want to exact procedure as per astm standard?
10 November 2015 6,763 0 View
hi, i want to know about of making a exposed concrete . in this, what should be mix design as well as combined gradation graph for aggregate.and which admixture i have to used for better expoed...
08 September 2015 6,513 0 View
Need information about polycarboxylic ether of sixth generation & its chain length,density as well as performance on concrte compared with fourth generation pce.
02 March 2015 9,459 0 View
visocity modifier used in concrte to prevent bleeding,will alcox helps as a vma?is it akkylated ether type organic product?
31 December 2014 2,007 1 View
Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...
07 August 2024 269 3 View
Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?
05 August 2024 2,333 2 View
Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?
03 August 2024 7,035 3 View
Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...
30 July 2024 8,339 2 View
N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.
30 July 2024 7,233 4 View
Hello Everyone! I am trying to create a metal hydride system where I am trying to create a temperature control with the emphasis on measuring the concentration of the hydrogen with the hydrogen...
29 July 2024 7,577 2 View
Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...
26 July 2024 3,460 2 View
Accredited laboratory of JV "Uz-Kor Gas Chemical" LLC (Uzbekistan) is looking for providers to conduct interlaboratory comparison tests on gas chromatographic analysis of hydrocarbons (component...
25 July 2024 8,108 0 View
In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?
25 July 2024 2,325 1 View