penetrometer techniques in relation to soil compaction and root growth

Soil and Environmental Analysis: Physical Methods - Chapter 10 docx

Ngày tải lên : 11/08/2014, 15:20

... understood, and the lubricating technology may be difﬁcult to standardize Copyright © 2000 Marcel Dekker, Inc Penetrometer Techniques in Compaction and Root Growth 383 Fig Variation of penetrometer ... Dekker, Inc Penetrometer Techniques in Compaction and Root Growth 381 The relation between soil strength (in this case measured as penetration resistance) and matric potential is known as the soil ... required to expand a cylindrical or spherical cavity in the soil Expansion of the cavity occurred Copyright © 2000 Marcel Dekker, Inc Penetrometer Techniques in Compaction and Root Growth 379...

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Structures and electronic properties of si nanowires grown along the [1 1 0] direction role of surface reconstruction

Ngày tải lên : 16/03/2014, 15:37

... À0.75 eV (Fig 2c) Since the number of adsorbed hydrogen atoms in the former structure (12 atoms in the unit cell) is smaller than the number in that in the latter one (24 atoms in the unit cell), ... consist of six-membered ring (grey area in Fig 2a and b) while surface atoms of normal pbonded chain on {1 1} facets belong to seven-membered ring: the difference in atomic conﬁguration causes ... zero-point energy per H atom in SiH4 We also estimate the temperature at atom of partial pressure of H2 from the standard partition function, within the harmonic approximation, including both...

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Báo cáo khoa học: Physical properties and surface activity of surfactant-like membranes containing the cationic and hydrophobic peptide KL4 potx

Ngày tải lên : 30/03/2014, 11:20

... participate in lung defense against inhaled pathogens and toxins, and modulate the function of respiratory in ammatory cells [1–4] The alteration or deﬁciency of this system leads to respiratory distress ... important point in this step is to avoid dehydration of the sample to maintain the integrity of the membranes Once the material was adsorbed to the platinum wire, aqueous solution was added to the ... (unbroken line), 1.2 (broken line) and 1.8 (dotted line) DPPC, 1,2-dipalmitoyl-phosphatidylcholine; PA, palmitic acid; POPC, 1-palmitoyl-2-oleoyl-phosphatidylcholine; POPG, 1-palmitoyl2-oleoyl-phosphatidylglycerol...

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Báo cáo hóa học: " Surface properties of glass micropipettes and their effect on biological studies" pot

Ngày tải lên : 21/06/2014, 03:20

... 13 and μm) were chosen The pipettes were split and cut open using focused ion beam milling for access to the inner walls The imaging direction was perpendicular to the cutting plane, avoiding ... tips smoother In this study, FIB milling is used for polishing pipette FIB polishing was found to be a more controllable process Fire polishing requires a very good timing and positioning Pipette ... in reconstruction of a pipette and its DEM The important factors in SEM stereoscopic technique are magnification, tilting angle, and resolution Since the maximum pixel resolution of the machine...

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Báo cáo hóa học: " Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers" pdf

Ngày tải lên : 21/06/2014, 04:20

... mol/L, in glycerine) and 10.0 mL of hydrazine hydrate solution (0.5 mol/L, in glycerine) were added rapidly to the boiling solution under vigorous magnetic stirring After refluxing for approx 80 min, ... experiment, 10.0 mL glycerine was heated to the boiling point (approx 560 K) and refluxed for Then, 50 mL of hydrazine monohydrate was added dropwise to the boiling solution After min, 10.0 mL of Co ... as promising candidates for advanced magnetic media and investigative studies on novel great magnetoresistive properties Results and discussion Figure 1a shows a typical SEM image, in which high...

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Báo cáo hóa học: "Surface Morphological and Nanomechanical Properties of PLD-Derived ZnO Thin Films" docx

Ngày tải lên : 22/06/2014, 01:20

... calculated by using the method of Oliver and Pharr [18] The plot can be divided into two stages, namely, increase and decrease to constant The hardness is observed to increase with increasing the penetration ... similar to those illustrating in Fig 2(b); corresponding to the tendency of increase and decrease to constant of curves The values of Young’s modulus for ZnO thin films are also listed in Table ... system using AFM and nanoindentation techniques, while the nanoscratch resistance and frication coefficients are investigated by analyzing the scratching processes of thin films Results indicate...

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Báo cáo hóa học: " Inﬂuence of Surface Modiﬁed MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt

Ngày tải lên : 22/06/2014, 01:20

... with a long alkyl chain The long alkyl chain helped in preventing agglomeration and bundling of MWCNTs due to repulsive force between the alkyl chain, producing a stable and homogeneous dispersion ... acid to polyimide In case of amide-MWCNTs/polyimide, nanocomposites increase in MWCNTs loading does not seem to show much increment in the Td, which is explained by the fact that the amine group ... casted on to a clean glass plate and dried in an air circulating oven at a temperature of 70 °C for 12 h to evaporate the solvent (DMAc) and to obtain a dried tack free ﬁlm Imidization (curing) of...

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Báo cáo hóa học: " The Role of Intrinsic and Surface States on the Emission Properties of Colloidal CdSe and CdSe/ZnS Quantum Dots Giovanni Morello Æ Marco Anni Æ Pantaleo Davide Cozzoli " potx

Ngày tải lên : 22/06/2014, 18:20

... transitions |1i and |2i to carrier recombination from ± 1U and ± 1L states and the transition |3i to a surface states emission By analysing the temperature dependence of the PL intensities I1, I2 and I3 ... obtained in continuous wave (CW) excitation (not shown here) show a symmetric line-shape, conﬁrming that the relative weights of the two fastest components is too slight to feature the CW time integrated ... performed in a low excitation regime, nor to energy transfer, since similar relaxation dynamics were also obtained in solution, where the average interparticle distance is too large to allow for...

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Báo cáo hóa học: " Inﬂuence of GaAs Substrate Orientation on InAs Quantum Dots: Surface Morphology, Critical Thickness, and Optical Properties" docx

Ngày tải lên : 22/06/2014, 19:20

... demonstrates the *12 meV exciton binding energy in these dots Due to the fact that the excitons in the WL easily interacted with the phonon and quenched, the integrated PL intensity of the 123 612 ... and the resulting edges of the QD During the SK growth of InAs 123 QDs, the main driving force forming islands is the strain relaxation, which permits relief of part of the strain induced by the ... strain relaxation inside the islands, by increasing the island internal energy term, should determine a delay in the 3D growth mode onset As experimentally observed, the critical thickness increased...

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Báo cáo hóa học: "Nanocrystal and surface alloy properties of bimetallic Gold-Platinum nanoparticles" pdf

Ngày tải lên : 22/06/2014, 22:20

... (the red and pink data points and lines), part of the data reported recently [4a], and for bulk AuPt [4b] (the open circle data points and lines (blue)) For bulk AuPt, the triangle points (blue) ... at 2115 cm–1 and 2066 cm–1, which are distinctively different from the single band feature at 2115 cm–1 for CO linearly adsorbed on atop sites of Au [2, 5, 14, 15], and the single band feature ... attributed to CO adsorbed to Au sites and the observed 2064 cm–1 band was assigned to CO at Pt sites due to an electronic effect caused by the incorporation of Au to the bimetallic catalyst and not...

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Báo cáo khoa học: "Influence of decaying wood on chemical properties of forest floors and surface mineral soils: a pilot study" pptx

Ngày tải lên : 08/08/2014, 19:21

... sampling designs and could not determine the influence of DW on tree growth (Lowe and Klinka, 1981; Kabzems and Klinka, 1987; Carter and Klinka, 1990; Klinka and Carter, 1990) Humus form studies in ... requirements to confirm the findings of comparative studies either in relation to the soil nutrient status to soil development or 1) DW influences properties of the forest floor and the underlying mineral ... Use of automated combustion techniques for total carbon, total nitrogen and total sulfur analysis of soils In: Instrumental methods for analysis of soils and plant tissues (LM Walsh, ed), Soil Sci,...

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Investigation of electronic and optical properties of molybdenum disulfide modulated by surface functionalization

Ngày tải lên : 09/09/2015, 11:16

... gratitude to my family for loving, caring, and believing in me Their love and guidance has better prepared me to face challenges in the future Finally, special thanks to my loving and supportive ... lowest conduction bands57 The splitting in valence band maximum at the K point originates predominately from the combined effect of interlayer coupling and spin-orbit coupling58 Figure 1.3 (a) ... is highly desirable to have deeper understanding of the origin of this PL intensity degradation, to find a way to restore or even further enhance the PL intensity, and hence to pave the way for...

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Laying Out GUIs and Setting Properties

Ngày tải lên : 29/09/2013, 20:20

... restores execution You can make a GUI blocking by adding the following command to the opening function: uiwait(handles.figure1); 3-7 Laying Out GUIs and Setting Properties To restore access to ... Aligning Components to Guide Lines The Layout Editor has both vertical and horizontal snap -to guide lines Components snap to the line when you move or resize them to within nine pixels of the line ... Adding Items to the Pop-Up Menu The String property contains the list of strings displayed in the pop-up menu Use the Property Inspector to add items to the pop-up menu by typing one per line in...

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35768 Study of Electrode Reactions and Interfacial Properties

Ngày tải lên : 25/10/2013, 08:20

... microelectrodes is seeing increased use for the in vivo monitoring of neurotransmitters (such as dopamine or serotonin) in the human brain (17) Such coupling of digital background subtraction and fast voltammetric ... monitoring changes in the height associated with ligand–receptor binding events (such as antibody–antigen recognition), indicating promise for label-free biochips (58) In addition to imaging ... Useful insights into the structural–preparation relationships of conducting polymers can also be achieved by monitoring the growth of such ﬁlms under different conditions (54) In addition to topographic...

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Tài liệu Working with Wireframe and Surface Design Workbench doc

Ngày tải lên : 16/12/2013, 03:15

... chapters Creating Splines Menu: Toolbar: Insert > Wireframe > Spline Curve > Spline The Spline tool is use to draw a spline in three dimensional space by selecting the connecting points Choose ... of the Spline button to invoke the Curves toolbar, as shown in Figure 9-2, and then choose the spline button Figure 9-2 The Curve toolbar The Spline Definition dialog box, as shown in Figure ... draw a line joining the two points in the two sections Choose the Line button from the Wireframe toolbar, the Line Definition dialog box is displayed Create the line by selecting the two points,...

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Tài liệu Metric Dimensions and Sections Properties pptx

Ngày tải lên : 22/12/2013, 16:15

... Manufacturing Methods The transformation of steel strip into hollow structural sections (HSS) is the result of operations including forming, welding and sizing Currently three methods are being used in ... system of measurement in the United States As a result, architects, engineers and fabricators are increasingly being required to specify SI (metric) information for products used in construction applications ... herein since such material may be modified or amended from time to time subsequent to the printing of this edition.The Institute bears no responsibility for such material other than to refer to...

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Electronic and Optoelectronic Properties of Semiconductor Structures

Ngày tải lên : 24/01/2014, 17:34

... 351 9.4 INTERBAND TRANSITIONS 9.4.1 Interband Transitions in Bulk Semiconductors 9.4.2 Interband Transitions in Quantum Wells 358 358 361 9.5 INDIRECT INTERBAND TRANSITIONS 364 9.6 INTRABAND TRANSITIONS ... of the k-vector 47 49 2.3 METALS, INSULATORS, AND SEMICONDUCTORS 51 2.4 TIGHT BINDING METHOD 2.4.1 Bandstructure Arising From a Single Atomic s-Level 2.4.2 Bandstructure of Semiconductors 54 57 ... SEMICONDUCTORS AND SPINTRONICS 11.6.1 Spin Selection: Optical Injection 11.6.2 Spin Selection: Electrical Injection and Spin Transistor REFERENCES 476 478 A.1 ELASTIC STRAIN 478 A.2 B STRAIN IN SEMICONDUCTORS...

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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx

Ngày tải lên : 13/02/2014, 04:20

... equal to 3μB, during it is μB for a ion Ni2+ and μB for Fe When x increased this leads to the compensation of ion Fe3+ in the tetrahedral and octahedral location That led to increasing of total ... each primitive unit cell of the spinel structure contains molecules, the X-ray density, ‘D X’ was determined according to the following relation and is shown in Table1 Dx = 8M (2) N A a Where, ... hundreds of gauss Thus, the increasing of Co-concentration led to the increasing of anisotropy property of ferrites Ni1-xCoxFe2O4, hence it was the increasing of HC The increasing of HC proved that...

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Tài liệu Báo cáo khoa học: Interleukin-1-inducible MCPIP protein has structural and functional properties of RNase and participates in degradation of IL-1b mRNA doc

Ngày tải lên : 18/02/2014, 14:20

... so far, and that this protein is an important regulator of in ammatory processes Results In uence of proinﬂammatory cytokines on MCPIP transcript level Real-time PCR was used to determine the ... cytoskeleton These data are in agreement with results obtained by Henics et al [13], who showed that cytoskeleton proteins have binding capacity for proteins involved in mRNA metabolism Moreover, cytoskeleton ... cytoskeleton proteins, such as actin or tubulin, are thought to be crucial for compartmentalization and translation of various mRNAs, including those containing AU-rich instability motifs in the...

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Tài liệu Báo cáo khoa học: The antibacterial and antifungal properties of trappin-2 (pre-elaﬁn) do not depend on its protease inhibitory function pptx

Ngày tải lên : 18/02/2014, 17:20

... phosphate buffer containing 0.3 m NaCl Heparin binding assays The heparin-binding capacities of trappin-2 and elafin were assessed by affinity chromatography using heparinSepharose Trappin-2 or elafin ( ... the N-terminal cementoin domain and the C-terminal elafin domain very efficiently in vitro [7] The 38 residue N-terminal domain of trappin-2 has a unique structural feature in that it contains several ... and H in uenzae (£ 5%) Recombinant proteins Elafin and trappin-2 were produced as tag-free recombinant proteins in the laboratory as previously described [21] Trappin-2 A62D ⁄ M63L, an inhibitory...

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