glass polymer composite material in a separated h field
Báo cáo hóa học: " Impact of AFM-induced nano-pits in a-Si:H films on silicon crystal growth" potx
Ngày tải lên :
21/06/2014, 05:20
... pA, and FWHM is 60 nm Figure 1c,g, shows the local topography and conductivity map obtained at the sample bias voltage of -25 V in exactly the same area as in Figure 1a, e after the second layer ... the case of laser annealing that also can promote further growth of crystalline silicon [20] Third, local stress or strain may be increased inside the pits and may increase the nucleation probability ... plotted in Figure 1b shows that the depth of the pit is 100 nm The full-width-at-half-maximum (FWHM) is 200 nm In Figure 1e is shown the local conductivity map of the same area obtained at the sample...
- 6
- 290
- 0
báo cáo khoa học: " A new biphasic osteoinductive calcium composite material with a negative Zeta potential for bone augmentation" ppt
Ngày tải lên :
11/08/2014, 20:20
... initially attach to the graft material These are then replaced by larger, positively charged proteins with a strong affinity to the surface that show chemotactic and adhesive properties Through this ... on this unique concept, the surface of the material will be charged negatively in an aqueous environment A number of studies have shown that a material that has an electronegative surface charge ... fabricated through the Zeta potential process, which enables production of a bioactive bone graft material with a controlled negative surface charge and which, when placed in apposition to healthy...
- 8
- 383
- 0
Báo cáo hóa học: " Gold colloidal nanoparticle electrodeposition on a silicon surface in a uniform electric field" pdf
Ngày tải lên :
20/06/2014, 22:20
... desorb the nanoparticles, such as using a reversed electric field or dipping the sample into a basic or acid bath Following such treatment, no change in the surface density of the Cathode Colloidal ... cm-2) and increases as the voltage increases For high voltages (V > V), density is clearly higher with a value of δ ≈ 107 cm-2 Each curve shows a sharp increase in density (two orders of magnitude) ... As the differences in particle concentration in the liquid have already been taken into account in the percentage values, the variations in deposited nanoparticle density are not solely explained...
- 8
- 320
- 0
Báo cáo khoa học: "Lack of Cetuximab induced skin toxicity in a previously irradiated field: case report and review of the literature" pdf
Ngày tải lên :
09/08/2014, 08:23
... possibility that the therapy may not be as beneficial in the absence of a skin reaction Our patient had a recurrence in a previously irradiated area where skin sparing was noted during his re-irradiation ... months after erlotinib therapy was initiated and months after radiation treatment was completed, she proceeded to develop the characteristic skin rash in the initially spared area, suggesting a ... his definitive therapy, the patient presented with a palpable swelling in the left upper neck which had been gradually increasing in size for two months (this was in the region that had received...
- 4
- 251
- 0
A study of using english songs as a type of supplementary material in teaching listening for first year non major students of english at phuong dong university
Ngày tải lên :
29/01/2014, 10:33
... identify and understand what others are saying This involves understanding a speaker's accent or pronunciation, his grammar and his vocabulary, and grasping his meaning Defined with those characteristics, ... structures and vocabulary” To prove this point, he shows a situation in which learners are living in a country where English is the first language He assures that these learners have such plenty ... involve in understanding language are not applied in any fixed order They can be used in any order or even simultaneously, and they are all capable of interacting and influencing each other According...
- 39
- 1.1K
- 3
Tài liệu Báo cáo khoa học: A DExD⁄ H box RNA helicase is important for K+ deprivation responses and tolerance in Arabidopsis thaliana docx
Ngày tải lên :
14/02/2014, 18:20
... but also provides information about how RNA helicase acts as a negative regulator in K+ deprivation signaling pathways in Arabidopsis However, the precise mechanism of the regulation between AtHELPS ... and that CIPK23 phosphorylated the K+ transporter AKT1, and then enhanced K+ uptake These studies suggested that an AKT1mediated and CBL ⁄ CIPK-regulated K+ uptake pathway in higher plants played ... displayed nearly 5-fold higher GUS activity in roots than in shoots, which is consistent with the histochemical 2298 GUS staining data and quantitative real-time PCR analysis (Fig 2B) Taken together,...
- 11
- 786
- 0
Optimization algorithms in physics a hartmann, h rieger
Ngày tải lên :
17/03/2014, 14:51
... variables which take the valucs Instead the variables (or their memory positions) themselves are passed to the following algorithm Therefore, the algorithm can change the original data The basic ... on algorithms for spin glasses, which is a model that has been at the center of interest of statistical physicists over the last two decades In the twelfth chapter, a phase transition in a classical ... [2] The observation that all reasonable machine models are equivalent has led t o the Church's thesis: "For any algorithm a program can be written on all reasonable machine models." Since the term...
- 383
- 254
- 0
Industrial Hemp (Cannabis sativa L.) as a Papermaking Raw Material in Minnesota: Technical, Economic, and Environmental Considerations ppt
Ngày tải lên :
24/03/2014, 05:20
... other than the United States, including Canada, France, and the Netherlands Hemp as an Industrial Fiber The Nature of Hemp Hemp is a herbaceous annual plant with a single, straight, unbranched ... chemical pulping and bleaching, were compared with chemical pulping and bleaching of aspen 3) Whole stalk chemical pulping and bleaching of hemp was compared with chemical pulping and bleaching ... findings indicate that industrial hemp bast fiber has a wide range of potential applications in modern papermaking Specifically they reported that the properties of unbleached alkaline mechanical...
- 47
- 420
- 0
a first course in stochastic models - h. c. tijms
Ngày tải lên :
08/04/2014, 12:23
... boat with probability e−µt for ≤ t ≤ T Which stochastic process describes the arrival of customers who actually join the boat (assume that the boat has ample capacity)? The answer is that this ... minimal repair A machine has a stochastic lifetime with a continuous distribution The machine is replaced by a new one at fixed times T , 2T , , whereas a minimal repair is done at each failure ... time that containers from the same batch are kept at the stockyard over the same holding time and are thus simultaneously removed The holding times for the various batches have a general distribution...
- 483
- 566
- 0
increased real contact in thermal interfaces a carbon nanotube field material
Ngày tải lên :
06/05/2014, 08:53
... and calculating a theoretical phase shift at different heating frequencies The limits are identified as the resistances at which additional changes in resistance alter the calculated phase shift ... facing the laser beam has a polished window and the other side is sealed by the sample with an o ring through the application of mechanical clamping The microphone is mounted near the inside wall ... 10−4 a Obtained from data fit where the CNT arrays are not considered as a layer in the PA model ing procedure, so that further increases in pressure not cause a significant increase in array-to-array...
- 9
- 438
- 0
the mit press the really hard problem meaning in a material world nov 2007
Ngày tải lên :
11/06/2014, 12:59
... Eudaimonia is flourishing Aristotle said, and I agree, that all humans seek eudaimonia, although importantly they disagree about what makes for eudaimonia If there can be such a thing as eudaimonics, ... evolve in certain animal lineages? What does living as a self-aware social mammal mean or add up to? How does living a conscious embodied life matter, add up to anything—anything at all? I have ... spirituality in many meetings in India and America over the last decade I am grateful to them all Alan Wallace and Rob Hogendoorn stand out as especially helpful critics Finally, as always, there are...
- 305
- 334
- 0
báo cáo hóa học:" Implantation of neural stem cells embedded in hyaluronic acid and collagen composite conduit promotes regeneration in a rabbit facial nerve injury model" doc
Ngày tải lên :
18/06/2014, 15:20
... in the observation of similar phenomena A thickening of myelin sheath was noted in the arm of rabbits having grafted with NSC and HA-collagen scaffold (data not shown) In rabbits with implant ... acid (HA) and collagen are ubiquitous and are major components of extracellular matrix (ECM) in the mammalian body HA has a high capacity for holding water and possesses a high visco-elasticity ... with PBS and incubated with horseradish peroxidase-conjugated anti-biotin (1:300, Sigma) for three hours Diaminobenzidine tetrahydrochloride substrate solution (Zhongshanjinqiao, China) was added...
- 11
- 1K
- 0
Báo cáo hóa học: " Kinematic analysis of the daily activity of drinking from a glass in a population with cervical spinal cord injury" potx
Ngày tải lên :
19/06/2014, 08:20
... the hand, the origin was at the midpoint between radial and ulnar styloid of the wrist, the Y-axis was the line joining the head of the third metacarpal with the midpoint between the radial and ... the glass from the starting position and grasping it, raising the glass to the mouth, drinking, lowering the glass to the pickup point, and returning the hand to the starting position All the ... it was also the longest phase in the cycle In the CG the longest phase in the cycle was the back transport phase The contribution of each phase to the complete drinking task cycle in each analyzed...
- 12
- 608
- 1
Báo cáo toán học: " Interface modification effect between p-type a-SiC:H and ZnO:Al in p-i-n amorphous silicon solar cells" potx
Ngày tải lên :
20/06/2014, 20:20
... Figure shows the band diagrams of the interface between the AZO and p-layer with and without the buffer layers simulated by ASA At the depth of about 801 nm, it is seen that although the barrier height ... ratio in a wavelength longer than 700 nm, which is a limiting factor for tandem solar cells that incorporates a low-bandgap bottom cell The AZO has several advantages such as good electrical conductivity, ... Additionally, the interface properties with an adjacent p-layer are also important The FTO has been widely used as a front TCO in a single p-i-n a- Si :H solar cell The FTO, however, has a low haze ratio...
- 14
- 275
- 0
Báo cáo toán học: " High loading of nanotructured ceramics in polymer composite thick films by aerosol deposition" docx
Ngày tải lên :
20/06/2014, 20:20
... confirm the existence of α-Al2O3 in the composite thick films and to examine the variations in crystallinity according to the changes in the mixing ratio The crystallite size of the α-Al2O3 in the ... films as well as in all of the composite thick films The diffraction pattern of the Al2O3 thick film showed peak broadening and decreased intensity in comparison with that of the Al2O3 starting ... structure with a low loss tangent of less than 0.01 at MHz and a high Al2O3 content of more than 75 vol.% Competing interests The authors declare that they have no competing interests Authors' contributions...
- 16
- 408
- 0
Báo cáo hóa học: " Steinfield, H., Mooney, H.A., Schneider, F. and Neville, L. E. Livestock in a changing landscape: Drivers" pptx
Ngày tải lên :
21/06/2014, 03:20
... suggesting that the milk production and consumption is higher in East Africa and the Horn of Africa than in the rest of the sub-Saharan Africa This analysis is overly simplistic The chapter makes ... high population density countries Greater demands for higher calorific intake in such regions as South-East Asia and East Asia, which also have a higher consumption index, show them to be the main ... increase and urbanization However, the chapter argues that the consumption of livestock products, such as milk and eggs, is far larger in the rural areas than in the urban areas General increases...
- 7
- 241
- 0
báo cáo hóa học:" Interface modification effect between p-type a-SiC:H and ZnO:Al in p-i-n amorphous silicon solar cells" pot
Ngày tải lên :
21/06/2014, 17:20
... Figure shows the band diagrams of the interface between the AZO and p-layer with and without the buffer layers simulated by ASA At the depth of about 801 nm, it is seen that although the barrier height ... ratio in a wavelength longer than 700 nm, which is a limiting factor for tandem solar cells that incorporates a low-bandgap bottom cell The AZO has several advantages such as good electrical conductivity, ... Additionally, the interface properties with an adjacent p-layer are also important The FTO has been widely used as a front TCO in a single p-i-n a- Si :H solar cell The FTO, however, has a low haze ratio...
- 14
- 229
- 0
Báo cáo hóa học: " Influences of H on the Adsorption of a Single Ag Atom on Si(111)-7 3 7 Surface" doc
Ngày tải lên :
22/06/2014, 00:20
... charge accumulation takes place around the third Si atom bonding with Ag at the second layer (not in the plane of Fig 3c), which has not been adsorbed by H The charge around the H atom at the ... the charge accumulation, whereas the negative contours (dashed lines) represent the charge depletion The charge density depletes around the H atom and transfer toward the Si adatom when the H ... H is the main surfactant during the heteroepitaxy of the metals on Si surfaces When H interacts with Si surface-dangling bonds, this will cause the relaxation of the surface bond strain and reduce...
- 6
- 368
- 0
Báo cáo y học: "In vivo bactericidal activities of Japanese rice-fluid against H. pylori in a Mongolian gerbil model" ppsx
Ngày tải lên :
08/08/2014, 16:23
... epithelial proliferation was evaluated based on the BrdU labeling index The BrdU labeling index in group A decreased significantly more than that in group B (Table 1), although it increased than ... complexes, including alpha-amylase, beta-amylase, and gluco-amylase In the last phase 5, the added enzymes were inactivated by heating the mixture up to 95 °C Based on our preliminary experiment, the ... mucosal inflammation and epithelial proliferation in the stomach of H pylori-infected gerbils It is likely that H pylori-eradication caused a decrease in the degree of inflammation in the stomach,...
- 6
- 219
- 0