chemical modification of the interfacial layer

... organic layers (mean depth of the entire organic profile, i.e. Of+ Oh horizons, is 72 mm). The organic profile is highly acidic with pH values of 3.0 and 2.6 (in KCl) and Ca 2+ /H + quotients of 0.2 ... tips [4, 5], or other factors have inhib- ited further growth of the root apex resulting in a comparably high age of the rootlets close to the tip. In the peridermal cell walls of spruce roots, ... conse- quence of differences in peridermal suberin content in these species. In the root systems of adult trees of these species, white growing roots represent only a low percentage of the total...

Ngày tải lên: 08/08/2014, 01:21

... conclude the appropriate time for modification 2.3 Evaluation of the ability of treating heavy metal in wastewater of APS-AMS material The ability of treating heavy metals in wastewater of APS-AMS ... combine with the –NH2 group of aminopolysaccharide at the same link site with aminopolysaccharide Thus, the higher the acid concentration (or higher the concentration of H +), the lower the absorption ... Recommendation:  The results of this study are the first step towards the introduction of APSAMS material However, for practical purposes, the thesis needs to study other methods to improve the ability...

Ngày tải lên: 27/07/2017, 23:17

... LUMO level of the acceptor[15] .The difference between the energy of conduction band (LUMO) of PCBM and the energy of HOMO of the studied molecules range from 1.42 eV to 1.78 eV ,these valuesare ... substitutingoligothiophenes .The optimized geometry of the cationic compound indicates the formation of the positive) polaron defect localized in the middle of the molecule and extending over the adjacent ... stability. To the best of your knowledge a systematic theoretical study of such compounds has not been reported. The theoretical knowledge of the HOMO and LUMO energy levels of the components...

Ngày tải lên: 06/05/2014, 09:02

... [1] was devoted to the problem of determin- ing the state of adhesion of the interface between the third and fourth layers. The depth of such an interface (3 cm) and the type of materials (mortar-bricks) ... The first layer of the dome is a 0.3 cm st ratum of mortar, and the second one consists of a 1.2 cm stratum of plaster. The objective is to trace the interface between the first and second layers ... total control of the work. The study was made on a 1 : 1 scale model of the actual dome to overcome the problems of accessibility and the dan- ger of damaging paintings. A photograph of the 1 : 1...

Ngày tải lên: 22/06/2014, 19:20

... to be the best environmental signal for the tree to use for the optimal timing of the onset of growth For determining the onset of developmental stages, the concept of temperature sum has often ... at the results of monitoring phenological phenomena of the tree layer of a young mixed stand in 2004 to 2007 The research plot locality is situated on the northeastern to eastern slope of the ... the period before the onset of the phenological stage results and discussion The aim of the paper was to evaluate phenological stages of a tree layer in a mixed stand in relation to the sum of...

Ngày tải lên: 07/08/2014, 03:22

... with, the hydrophobic surface of the fat or oil, whereas the latter dissolves in the aqueous phase The surfactant therefore forms a layer on the surfaces of the emulsion droplets Depending on the ... the air– water interfaces of the air bubbles as the mixture is whipped (6) The semiliquid fat cannot wholly coalesce as the interfacial layers are broken, because of the limited mobility of the ... knowledge of the physical characteristics of the medium and the dispersed phase if they are to give absolute, rather than relative, results VI STRUCTURES OF THE ADSORBED LAYERS ON THE SURFACES OF EMULSION...

Ngày tải lên: 23/05/2014, 11:36

... numbers below 115 The index reflects the degree of unsaturation of the oil, i.e., the number of bonds available for oxygenation (the higher the iodine index, the higher the number of bonds suitable ... addition of chemicals (additives) to improve the air-fuel mixture by decreasing the surface tension, b) preheating to diminish the viscosity for improving the internal formation of the mixture and the ... in two layers The upper layer consisted of ester and alcohol and was separated from the bottom layer (glycerin) The upper layer was distilled to remove and recover excess alcohol and the esters...

Ngày tải lên: 05/09/2013, 15:28

... Figure Effect of time of heatsetting on the linearity of load extension in weft direction of knitted Ingeo™ Poly (lactic acid) Figure Mean effect of time of heatsetting on the linearity of load extension ... resilience [%] The specimen were clamped between two chucks each of 20cm long A constant force of 200g was applied by attachinga weight to the front chuck of the specimen When the test started, the back ... [PLA] Figure Mean [Ā] of effect of time of heatsetting on the tensile extension EM [%] of Ingeo™ Poly (lactic acid) 3.2 Linearity of load extension curve LT [-] The linearity of load extension curve...

Ngày tải lên: 05/09/2013, 16:10

... DSMes of 0.10, while the DSMes of the insoluble part is 0.68 The structure of the reaction products of cross-linked pullulan particles with MesCl depends on the solvent used In the case of Py, ... high content of chlorodeoxy moieties [265] The conversion of cellulose with MesCl in the presence of TEA in DMAc/LiCl yields products with a DSMes of 1.3 at a reaction temperature of ◦ C for 24 ... Fig 6.4 Time dependence of the conversion of cellulose with a molar ratio AGU:TosCl of A 1:6 and B 1:1 in DMAc/LiCl solution in the presence of TEA Table 6.3 Reaction of cellulose with TosCl...

Ngày tải lên: 25/10/2013, 16:20

... thịt cỡ 300-500g (Từ Thanh Dung ctv, 2004) Theo Ferguson et al (2001), bệnh ghi nhận xuất ở ĐBSCL vào cuối năm 1998 có tên BNP (Bacilliaty Necrosis of Pangaius) Từ Thanh Dung (2005) phân lập ... BioF có chứa chủng Lactobacillus acidophillus sử dụng nuôi trồng thủy sản có tác dụng tăng khả hấp thụ thức ăn hạn chế bệnh Aeromonas, Vibrio… gây Những nghiên cứu gần cho thấy bổ sung BioF ... Các chủng vi khuẩn nitrate hóa tiết polymer cho phép chúng gắn kết bề mặt hình thành nên biofilm Và biofilm làm giảm đến 50% tỷ lệ ammonia nitrite môi trường ao nuôi (Sahu et a.l, 2008) Ngoài...

Ngày tải lên: 27/04/2014, 17:03

... and the buffering capacity of the medium are known The amount of undissociated lactic acid is then further related to the total amount of lactic acid LaHtot and the pH by the lactic acid chemical ... (full line) by means of the parameter values used in the work of Nicolaı et al to construct Fig 3(1), p 234 in ¨ their paper Furthermore, to comprehend the influence of the buffer amount BuHa/BuMa ... Furthermore, when the pH and/or buffer amount further increase, the intersection of this line with the LaHtot-axis increases, or otherwise said, the straight line is shifted to the right The pH versus...

Ngày tải lên: 05/05/2014, 08:44

... the application of 50 μL of oxazolone 5% (w/ v) in acetone on the right ear (25 μL each side of the ear) The second challenge was done days after the first challenge with the same procedure The ... week adaptation in the animal facility, the mice were separated in groups of 10 animals The grouping was randomized according to the weight of the rodents The murine model of ACD was based on ... course of the experiment On the other hand, for therapeutic protocol, the anti-inflammatory effect following MPM consumption was apparent only after the second challenge (Figure 1C) The effect of...

Ngày tải lên: 11/08/2014, 08:21

... tra thịt cỡ 300-500g (Từ Thanh Dung ctv, 2004) Theo Ferguson et al (2001), bệnh ghi nhận xuất ĐBSCL vào cuối năm 1998 có tên BNP (Bacilliaty Necrosis of Pangaius) Từ Thanh Dung (2005) phân lập vi ... học BioF có chứa chủng Lactobacillus acidophillus sử dụng nuôi trồng thủy sản có tác dụng tăng khả hấp thụ thức ăn hạn chế bệnh Aeromonas, Vibrio… gây Những nghiên cứu gần cho thấy bổ sung BioF ... Các chủng vi khuẩn nitrate hóa tiết polymer cho phép chúng gắn kết bề mặt hình thành nên biofilm Và biofilm làm giảm đến 50% tỷ lệ ammonia nitrite môi trường ao nuôi (Sahu et a.l, 2008) Ngoài...

Ngày tải lên: 21/11/2014, 03:59

... Figures c and d, the expression levels of BSP and WNT5A of the cells on the nanofibers were significantly higher than on the controls 109 Figure 4.1 The SEM images of the nanofibrous scaffolds ... Among them, the calcium phosphate graft materials are commonly used because of their similarity in chemical composition to Chapter - Introduction the mineral phase of native bone Some of the synthetic ... graft substitutes c) The nanofibers mineralized with nano-HA mimic the nanostructure of native bone ECM, and the presence of HA resembles the mineral phase of the ECM d) The nanotopographical...

Ngày tải lên: 09/09/2015, 10:07

... by the eigenvalues of the Hessian of the Born-Oppenheimer energy scaled by the nuclear masses: det  E R   2  M I M J R I R J (4) The calculation of the equilibrium geometry and of the ... foundation of DFT is given by the Hohenberg-Kohn theorem 2.3.1 Hohenberg - Kohn Theorem [2] The theorem contains two parts The first part of the theorem proves that for an interacting system of electrons ... minimizing the energy functional (under the constraint that the integral of the density equals to the total number of electrons), whose value at the minimum also gives the ground state energy The foundation...

Ngày tải lên: 09/09/2015, 18:56

... reinforce the barrier function of the intestinal mucosa, helping in the prevention of the attachment of pathogenic microorganisms and the entry of allergens Alteration of the microbial flora of the ... during the first year of life (Bengt Bjorksten, 2001) Thus these LAB may play a critical role in the regulation of the immune system even in the early stage of human life With the growth of the ... beyond the gut, modifying systemic immunity However, the mechanisms of how they interact with the host and the role that they play in the intestine immune system especially in the context of chronic...

Ngày tải lên: 13/09/2015, 19:50

... (%) Note: The maximum score is The data were the average of sensory evaluators In short, from the results of pH, Brix, lactic acid content, the density of bacteria and the results of the sensory ... Note: The data in the table is the average of triplicates The same characters show no difference statistically significant at 95% At the dilution rate of 30% of mango juice, the content of lactic ... content of lactic acid Therefore, at the dilution rate 30, 40% bacteria growth was better than those of dilution ratios In addition, when compared with the other treatments the sample at the rate of...

Ngày tải lên: 06/10/2015, 12:57

... probiotic bacteria at the level of at least log CFU/mL The survival rate of all isolates at the level 10 of about 8.02-8.69 log CFU/mL of fermented carrot juice Addition, the result of lactic acid concentration ... ability of isolates in carrot juice - Identification of the selected lactic acid bacteria by molecular technique - Study on the effect of dilution ratio and sugar content - Studying the effect of ... the result, isolates of lactic acid bacteria were isolated from kinds of carrot (Dalat and Chinese) Colonies of all isolates were round, smooth, grayish white Because of the differentiation of...

Ngày tải lên: 06/10/2015, 13:04

... concentration reached the highest value at % of sugar concentration, and the lowest value at 15% of sugar concentration due to the inhibition of high concentration of sugar Besides, at the same glucose ... Values in the Table were average values of replications The sensory evaluation of pure dragon fruit juice was higher than others The lowest cores belonged to the samples with 40% and 60 %of dilution ... low pH environment, so they could survive in the environment of the stomach Therefore, these strains were able to apply in probiotic products 3.3 Application in producing of fermented dragon fruit...

Ngày tải lên: 06/10/2015, 13:04

... (p

Ngày tải lên: 06/10/2015, 13:05