schaffer ine 1923— austrian track and field athlete
Raman spectroscopy and field electron emission properties of aligned silicon nanowire arrays
... downshift by cmÀ1) Its linewidth is broadened and the line shape becomes increasingly asymmetric with an extended tail at low frequencies (Fig 4) Qualitatively, when the crystalline size decreases, ... shifts and the more asymmetric and the broader the peak becomes This feature has been confirmed by experiments on nanocrystalline silicon [22] and porous silicon [23] and SiNWs fabricated by thermal ... maintained at 10À4 Pa A sphericalshaped stainless-steel probe with a tip diameter of mm was used as an anode Results and discussion Fig shows typical SEM images of the as-prepared samples and SiNW...
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synthesis, electrical measurement, and field emission properties of a-fe2o3 nanowires
... 10-6 torr The sweep voltage was 0–1100 V and the emission current was measured using Keithley 2410 Results and Discussion Figure 1a and b shows the top view and cross-section view of the Fe-coated ... a-Fe2O3 NWs, a-Fe2O3 film, and Fe film were present in stage I At this stage, for both samples I and II, short NWs (\100 nm) and long NWs ([500 nm) grew from the low and high degree defect regions ... resistance between the CAFM tip and the NW RNW and Rfilm are the resistances of the NW and the film, respectively The overall resistance (Roverall) is the sum of Rcontact, RNW, and Rfilm It can be expressed...
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ultra-sharp a-fe2o3 nanoflakes growth mechanism and field-emission
... 245, 291, 408 and 499 cm−1 correspond to the α-Fe2 O3 phase [20], namely two A1g modes (225 and 499 cm−1 ) and three Eg modes (245, 291 and 408 cm−1 ) Those peaks locating at 552 and 671 cm−1 ... points of Fe and α-Fe2 O3 (1535 and 1350 ◦ C, respectively) [15], the growth of α-Fe2 O3 nanoflakes is inexplicable by the vapor phase mechanism such as the vapor–liquid–solid (VLS) and vapor–solid ... [110] and the growth plane may be (110) where the oxygen is rich and Fe is deficient [13] Driven by the O-rich and Fe-deficient, at low temperatures (260 – 300 ◦ C), the diffusion of Fe atoms and...
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Báo cáo hóa học: " On the Morphology, Structure and Field Emission Properties of Silver-Tetracyanoquinodimethane Nanostructures" pptx
... the body of emitters result in the emission current and then the nonlinear F–N plot Other nonlinearity in nanomaterials is reported either and discussed [12, 13] Allowing for the switching effect ... 413 K, and the lowest turn-on field obtained is about 2.0 V/lm for phase II The deviation from the F–N linear relation may result from the difference of field enhancement factors at high and low ... increasing, smaller slope results from both lying and vertical wires with little defects Semet [11] reported that the linearity of F–N plot can be obtained by desorbing by applying the field for long...
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Báo cáo hóa học: " Research Article Track and Cut: Simultaneous Tracking and Segmentation of Multiple Objects with Graph Cuts" doc
... Bar-Shalom and X Li, Estimation and Tracking: Principles, Techniques, and Software, Artech House, Boston, Mass, USA, 1993 [9] Y Bar-Shalom and X Li, Multisensor-Multitarget Tracking: Principles and ... labels and track- to-detection assignment labels This allows the system to track and segment the objects at time t, while establishing the correspondences between an object currently tracked and ... Conference on Computer Vision and Pattern Recognition (CVPR ’07), pp 1–8, Minneapolis, Minn, USA, June 2007 [3] A Bugeau and P P´ rez, Track and cut: simultaneous e tracking and segmentation of multiple...
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Báo cáo hóa học: " Effect of Substrate Morphology on Growth and Field Emission Properties of Carbon Nanotube Films" pptx
... mm and purity 99.99%), followed by vacuum annealing at 350 °C for making proper electrical contacts Distance between the cathode and anode was kept as cm and the current density was maintained ... slightly less for samples and The reduced length could be due to random growth orientation of CNTs CNTs obtained on porous/mechanically polished Si substrates have random orientations, whereas ... SWNTs is, however, a high-temperature process and sometimes requires additional postsynthesis processing for FE measurements On the other hand, controlled and low-temperature growth of CNT films is...
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Báo cáo hóa học: " Synthesis, Electrical Measurement, and Field Emission Properties of a-Fe2O3 Nanowires" potx
... 10-6 torr The sweep voltage was 0–1100 V and the emission current was measured using Keithley 2410 Results and Discussion Figure 1a and b shows the top view and cross-section view of the Fe-coated ... a-Fe2O3 NWs, a-Fe2O3 film, and Fe film were present in stage I At this stage, for both samples I and II, short NWs (\100 nm) and long NWs ([500 nm) grew from the low and high degree defect regions ... resistance between the CAFM tip and the NW RNW and Rfilm are the resistances of the NW and the film, respectively The overall resistance (Roverall) is the sum of Rcontact, RNW, and Rfilm It can be expressed...
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ORCHARD, GARDEN, AND FIELD INSECTSINSECTS pot
... a day; and that if the average number of eggs laid by each female is one hundred and eighty-five, one chickadee would thus destroy in one day five thousand five hundred and fifty eggs, and, in ... fruit, and causes it to drop before ripening The larva then enters the ground to a depth of several inches There it becomes a pupa, and later, as a mature beetle, emerges and winters in cracks and ... crops, gardens, flowers, and forests seems to be increasing each season Therefore farm boys and girls should learn to recognize these harmful insects and to know how they live and how they may be...
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Báo cáo lâm nghiệp: "Nutrient status and field performance of tree seedlings planted in Mediterranean degraded areas" doc
... Mg and N, and Mg and Ca were still positive, whereas correlations between K and N, and K and P were negative On limestone, needle N concentration was positively related to P concentration, and ... diameter on a randomly selected subset of 25 seedlings per site and species 2.4 Leaf and needle sampling and analysis In July 1997, we collected one-year-old needles and leaves from 10 randomly selected ... status and field performance based on early survival and growth Pinus halepensis and Quercus ilex are among the most widespread tree species in the Mediterranean Basin They tolerate basic soils, and...
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Báo cáo khoa học: "Effects of desiccation and freezing on vitality and field performance of broadleaved tree species" ppsx
... freezing affected REL and survival The effects of desiccation and freezing on planting stock quality and field performance varied and depended upon the length of exposure and species A main result ... Seasonal variation in root hardiness of container-grown Scots pine, Norway spruce and lodgepole pine seedlings, Can J For Res 17 (1987) 787–793 [13] Mattsson A., Predicting field performance using seedling ... (mid-May and midJune) to field capacity Air temperature and rainfall were monitored daily at the planting site (figure 1) Percent survival was determined at the beginning (lateApril) and at the...
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Báo cáo toán học: "quality and field performance of Douglas fir seedlings under varying degrees of water stress" potx
... values The field trials were installed in a randomised block with two and four blocks for water-stressed and well-watered regimes, respectively Each block contained 120 seedlings, with ten randomised ... 62 % coarse sand, 26 % fine sand, % loam and % clay The 20-cm upper layer of soil had % of organic matter, a pH of 5.8 and a cationic exchange capacity of 6.4 meq/100 g fine soil The main nutrient ... including standard errors except on survival Spearman rank correlations were calculated, because they fit both non-linear and linear models, for overall values In addition, to refine prediction...
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Báo cáo khoa học: "Effect of desiccation during cold storage on planting stock quality and field performance in forest species" doc
... content and survival (curvilinear relationship) on the one hand and between root water content and height variation (linear relationship) on the other hand (figure 4) In red oak, curvilinear relationships ... hardiness of container-grown Scots pine, Norway spruce and lodgepole pine seedlings, Can J For Res 17 (1987) 787-793 [22] Margolis H.A., Brand D.G., An ecophysiological basis for understanding plantation ... for bud water content in pedunculate oak and in pine Plant weight loss was independent of species and lifting date with a mean value of 10% and 18% after and weeks, respectively In oaks, REL increased...
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Báo cáo lâm nghiệp: "The effects of stock type and radicle pruning on blue oak morphology and field performance" docx
... directly sown into the field planting site Stock type were to be grown for months in containers and then transplanted to the field Stock type were to be grown for a full year in containers before transplanting ... exclosure The plot layout contained four blocks Within each block were ten rows of nine seedlings each Each row contained one randomly positioned seedling from each of the nine treatment combinations ... were measured and recorded Seedlings were then cut at the cotyledon scars, and the shoots and roots dried at 70 °C for days These were then weighed and the total seedling weights and shoot root...
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Báo cáo khoa học: "Growth-chamber trial on frost hardiness and field trial on flushing of sessile oak" pdf
... hardiness of Acer pseudoplatanus and found little difference between seedlings and adult trees He described the frost resistance of different organs and tissues and concluded that frost hardiness ... Austria, Hungary, Turkey and France were at flushing stages and The development of the Austrian provenances was particularly advanced with 42 and 29% of plants at flushing stages and 4, respectively ... declined between -4 and - °C At flushing stage 5, the slopes of damage curves were steeper than those for plants at earlier stages of development and terminal buds and lammas shoots sustained...
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Báo cáo khoa học: " Ecophysiology and field performance of black spruce (Picea mariana): a review" ppsx
... growth capacity and field performance of jack pine and black spruce in boreal stand establishment in Ontario Can J For Res 17, 794-804 Wang ZM, Macdonald SE (1992) Peatland and upland black spruce ... growth and survival of natural or outplanted seedlings through their effects on water relations, gas exchange, mineral nutrition, soil and air temperature, and light quantity and quality (Brand and ... temperature and soil water availability (Grossnickle and Blake, 1986; Roberts and Dumbroff, 1986; Blake and Sutton, 1987; Zeiger et al, 1987; Grossnickle, 1988; Blake et al, 1990; Zine El Abidine, 1993)...
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báo cáo khoa học: "Association analysis of frost tolerance in rye using candidate genes and phenotypic data from controlled, semi-controlled, and field phenotyping platforms" potx
... were used: replication, a random intercept and a random trend with month The replication random effect was assumed uncorrelated with the random intercept and trend Field platform analyses The ... effect, an overall linear trend in time for the three months in 2008 and two months in 2009, and the interaction of year and linear trend in time Three platform-specific random effects (vector ... associations in a) controlled, b) semi-controlled, and c) field platforms The left and right hand side bars in a), b) and c) represent alleles with negative and positive effects relative to the Lo152...
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Optical limitng and field emission studies of carbon nanotubes
... properties: optical limiting and field emission Our aim is to modify the carbon nanotubes using physical and chemical means to modify their optical limiting and field emission characteristics ... cheap and robust field emitting materials One such material is the carbon nanotube 1.9.1 What is Field Emission? Field emission is the process whereby electrons are emitted under high field conditions ... a-Au Au and Ag nanoparticles are known to possess large nonlinear optical properties and ultrafast time response and their optical properties were also actively studied by picosecond and femtosecond...
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AN1292 sensorless field oriented control (FOC) for a permanent magnet synchronous motor (PMSM) using a PLL estimator and field weakening (FW)
... DS01292A-page AN1292 EXAMPLE 4: #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define VOLTAGE CONSTANT INVERSE ... shown in Example EXAMPLE 5: #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define REFERENCE D-AXIS CURRENT ... (Example 6) EXAMPLE 6: #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define #define INDUCTANCE VARIATION INIT...
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Debris flow impact assessment along the AlRaith Road, Kingdom of Saudi Arabia, using remote sensing data and field investigations
... coarse-grained and fine-grained debris that can bury structures; and flood water that are forced from the normal channel by debris deposits and have the potential to erode unprotected surfaces and ... standard geological and geomorphic field techniques General field techniques were employed to identify and map different types of debris flows, as well as to determine different types of landslides ... (figures and 6), and the results have been verified during the field investigations According to the field data collected and remote sensing analysis, debris flows from the basins may have entrained...
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