total pore volume
A nanoporous organic polymer constructed from a 1,3,5 triazine derivative via ethynyl cyclotrimerization reaction: Synthesis and carbon dioxide capture
... The porosity of the polymer, TNOP was investigated by the nitrogen adsorption-desorption isotherm measured at 77 K. As shown in Figure 3a, TNOP showed a sharp uptake at low relative pressure and a gradually increasing ...
5
Effect of thermo-hydro-mechanical densification on microstructure and properties of poplar wood (Populus tomentosa)
... lumen volume reduced and the cells deformed presenting micro-fractures in the cell walls with increasing CR due to THM ...the total pore volume and pore ...The pore size ...
15
Novel Activated Carbon Monoliths for Methane Adsorption Obtained from Coffee Husks
... Methane adsorption by different forms of activated carbon obtained from coffee husks, including monolith honeycomb and disc types, was studied by activation with zinc salts and potassium hydroxide at 298.15 K and 303.15 ...
9
Isolation of Microcrystalline Cellulose (MCC) from Oil Palm Frond as Potential Natural Filler for PVA-LiClO4 Polymer Electrolyte
... area, total pore volume, cumulative volume of pores and average pore width obtained from the ground OPF, OPF MCC and commercial MCC are shown in Table ...average pore width, the ...
16
Porous Carbon derived from Pine Nut Shell prepared by Steam Activation for Supercapacitor Electrode Material
... The electrochemical performances of the prepared PAC were evaluated, and the results are shown in Fig. 5. The GCD curves of the PACs prepared under different activation conditions at a current density of 0.5 A g -1 are ...
12
The effect of clay amendment on substrate properties and growth of woody plants
... This work deals with the eff ect of two clay products diff ering in particle size distribution on properties of growing substrate and on growth of containerized woody plants in substrates amended with these clay products. ...
8
Correlations between Air Permeability Coefficients and Pore Structure Indicators of Cementitious Materials
... They reported a better correlation of the total pore volume and mean pore diameter of 53... the continuous pores with the air permeability coefficient.[r] ...
12
Linking biological toxicity and the spectral characteristics of contamination in seriously polluted urban rivers
... sediment pore water (SDPW), and riparian soil pore water (SPW) were collected from five sites of the seriously pol- luted Qingshui Stream, ...(DOC), total nitrogen (TN), total phosphate (TP), ...
10
Download Download PDF
... area, pore volume and comparison of surface area and pore volume, show that by decreasing of particle sizes of each sample, increase the surface area and micro pore volumes ...highest ...
10
Protein structure and ionic selectivity in calcium channels: Selectivity lter size, not shape, matters
... of calcium channels have not yet been reported. This large-scale structure of alpha helices and the backbones provides a pore with a relatively rigid wall as implied by the stable currents fl owing through these ...
10
Micropores and mesopores in the cell wall of dry wood
... the pore structure of wood have been conducted for many years for the basis of producing wood pulp and understanding the physical properties such as specifi c gravity and moisture content, the transfer of matter, ...
5
Synchrotron microtomographic quantification of geometrical soil pore characteristics affected by compaction
... Imaging techniques are capable of estimating tortuosity in the x, y , and z directions (Wu et al., 2006). Such mea- surements are important for materials with anisotropic pore structure that have preferential ...
10
Study Of Textural, Sorption And Physicochemical Characteristics Of Kaolin And Bentonite
... Samarkand State University, 2,3 Samarkand Medical Institute Abstract. The sorption, textural, and physicochemical characteristics of bentonite and kaolin are studied. To determine the relative surface of the samples, the ...
8
Preparation of controlled porosity carbon aerogels for energy storage in rechargeable lithium oxygen batteries
... cycles) based on electrodes prepared from ACRF002 carbons with similar pore sizes and pore size distributions but different pore vol- umes. Variations of cell voltage against specific capacity of ...
8
Optimization of Process Variables for Malachite Green Dye Removal Using Rubber Seed Coat Based Activated Carbon
... which further developed the rudimentary pore structure in the char and also enhanced the existing pores and created new porosities [3]. In addition, increasing in activation temperature and time would entail an ...
7
Smart Corrosion Inhibition of Mild Steel Using Mesoporous Silica Nanocontainers Loaded with Molybdate
... (anhydrous, powder, ≥99.99%; Sigma- Aldrich) was incorporated in the 1 g functionalized mesoporous silica in the propanol (≥99.7% Analar NORMAPUR; VWR) solution at ambient temperature for 3 h. The obtained powder from ...
9
Pd Nanoparticles and MOFs Synergistically Hybridized Halloysite Nanotubes for Hydrogen Storage
... More pore structures are generated by the carbonization reaction from metal – organic frameworks into carbon; high specific surface area, uniform pore size, and large pore volume benefited the ...
9
Mechanical and Morphological Characterization of Chitosan Scaffolds Produced by Particle Aggregation Method
... The mechanical properties of porous scaffolds not only depend on the type of material to be used in fabrication, but also are directly related to microstructure, porosity and pore size and how these pores are ...
12
Growth and formation of inverse GaP and InP opals
... This behaviour is all replicated for the equivalent InP set of structures, as seen in Figure 5b. As the opal used is much smaller (230 nm spheres rather than 358 nm) the wavelength range in which the stop bands are ...
9
Protein structure and ionic selectivity in calcium channels: Selectivity lter size, not shape, matters
... the pore length (while increasing the pore radius) changes packing effects of the hard-sphere ions both axially and ...the pore) and so one would expect channels of different length to have different ...
10