... D not on one line lie on one circle if and only if ∠(AB, BC) = ∠(AD, DC) (To prove this property we have to consider two cases: points B and D lie on one side of AC; points B and D lie on different ... Solutions 385 385 385 386 387 387 Chapter 22 CONVEX AND NONCONVEX POLYGONS Background §1 Convex polygons *** §2 Helly’s theorem §3 Non-convex polygons Solutions 397 397 397 397 398 398 399 Chapter ... 185 CONTENTS §9 Apollonius’ circle §10 Miscellaneous problems §11 Unusual constructions §12 Construction with a ruler only §13 Constructions with the help of a two-sided ruler §14 Constructions...
Ngày tải lên: 08/04/2014, 10:42
... through point O and intersect lines l1 and l2 Consider planes Π1 and Π2 containing point O and lines l1 and l2 , respectively Line l belongs to both planes, Π1 and Π2 Planes Π1 and Π2 are not ... A1 and A2 belong to planes Π1 and Π2 , respectively, and line l is the intersection line of Π1 and Π2 Prove that line A1 A2 forms equal angles with planes Π1 and Π2 if and only if points A1 and ... the intersection point of segments BC1 and B1 C Then planes ABC1 and AB1 C intersect along line AK and planes A1 B1 C and A1 BC1 intersect along line A1 K Consider the projection to plane ABC parallel...
Ngày tải lên: 08/04/2014, 10:42
báo cáo hóa học:" A general lithography-free method of micro/nanoscale fabrication and patterning on Si and Ge surfaces" doc
... of microscale/nanoscale fabrication and patterning on Si and Ge surfaces Huatao Wang1,2 and Tom Wu*1 Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang ... the control of patterning on the Ge surfaces is quite challenging, which clearly warrants further investigations -6- Conclusions In this work, lithography-free growth/patterning on Si and Ge surfaces ... structures with well-controlled morphology and orientation This versatile approach is cost effective and convenient although the position control is not as accurate as the conventional lithography-based...
Ngày tải lên: 21/06/2014, 17:20
Theoretical studies of engertics, structures and chemical reactions on carbon and BN surfaces and related molecules
... Structures and Chemical Reactions on Carbon and BN Surfaces and Related Molecules Abstract This thesis focuses on the energetics, structure and reactivity of wide band gap materials such as diamond and ... electronic structures and surface reactions with H and O atoms are fundamental to the surface reconstruction, growth mechanism and species absorption on BN surfaces - 13 - Chapter I Introduction ... Adsorption and desorption processes of H and O species are of utmost importance in the investigation of surface migration, reactions, nucleation, and growth mechanism on the respective surfaces...
Ngày tải lên: 17/09/2015, 17:18
Báo cáo hóa học: " Preparation of monolayers of [MnIII6CrIII]3+ singlemolecule magnets on HOPG, mica and silicon surfaces and characterization by means of noncontact AFM" pptx
... trication could adsorb on the surface without the need of interaction with anions and bind to available adsorption sites on the substrate An explanation for this speculation is the formation of ... as: Gryzia et al.: Preparation of monolayers of [MnIII6CrIII] 3+ single-molecule magnets on HOPG, mica and silicon surfaces and characterization by means of non-contact AFM Nanoscale Research ... (ClO4)3 Either the selected concentration and amount of solution, or the number of molecules, was sufficient for the creation of approximately one monolayer During preparation the sample was held at...
Ngày tải lên: 21/06/2014, 01:20
Báo cáo hóa học: " Research Article Representation of 3D and 4D Objects Based on an Associated Curved Space and a General Coordinate Transformation Invariant Description" potx
... distribution for the invariants: they not depend on the location of the invariants on the object but only on their statistical distribution Such a distribution is invariant under a CGT and characterises ... optical information processing in Spain, on laser microscopy at the Technion-Israel Institute of Technology, and on 3D handheld scanners in England He is pursuing research on contentbased management ... same location This is what is expressed by (12) and the affine connection is responsible for such a parallel transportation Riemannian spaces are not conservative: if a vector is moved along a close...
Ngày tải lên: 22/06/2014, 23:20
The Project Gutenberg EBook of General Investigations of Curved Surfaces of 1827 and 1825 pot
... projection of this element on the plane of the coordinates x, y; and consequently, if dΣ is the area of the corresponding element on the sphere, Z dΣ will be the area of its projection on the same plane ... for concavo-concave or convexo-convex surfaces (which distinction is not essential), but negative for concavo-convex surfaces If the surface consists of parts of each kind, then on the lines ... function W be dW = P dx + Q dy + R dz and on the curved surface we shall have P dx + Q dy + R dz = 0, and consequently, P cos(1)λ + Q cos(2)λ + R cos(3)λ = Since this equation, as well as the one...
Ngày tải lên: 28/06/2014, 19:20
Báo cáo tin học: "Flexibility of Embeddings of Bouquets of Circles on the Projective Plane and Klein Bottle" potx
... The condition holds If A1 = ∅, then D1 ∼ A− Dj+1 ∼ O0 , the condition holds i+1 Above all, we get the conclusion Theorem 4.2 The associate surfaces in Case are Klein bottles if and only if one ... distribution of rooted maps and genus distribution of embeddings on orientable and nonorientable surfaces are given in [13] We adopt the same notations as that in [13], where r[Γ](x)(˜[Γ](x)) and g[Γ](x)(˜[Γ](x)) ... the embeddings of Bn on the Klein bottle in Cases and are shown in Fig.2 and Fig3, respectively Fig.2 describes the condition (1) in Theorem 4.1, Fig.3 describes the condition A1 A− ∼ N1 , Aj ∼...
Ngày tải lên: 07/08/2014, 15:23
báo cáo khoa học: " Behavior of osteoblastic cells cultured on titanium and structured zirconia surfaces" ppsx
... growth and expression of characteristic bone proteins on all investigated surfaces SEM observations demonstrated appropriate adhesion and spreading of cells on both zirconia and titanium surfaces ... expression of reticular collagen I expression was evident especially on the titanium and zirconia surfaces, whereas osteocalcin and osteonectin expression showed no detect- collagen I osteonectin ... study showed the reactions of primary osteoblasts on modified zircona surfaces and only a few studies focussed on cellular reactions of different osteoblast-like cells on zircona implant materials...
Ngày tải lên: 11/08/2014, 20:20
the role of organic matter quality and mineral surfaces for the sorption of chlorpyrifos and diazinon on soils, sediments, and suspended estuary sediment
Ngày tải lên: 14/11/2014, 06:28
Characterisation and modelling of wicking on ordered silicon nanostructured surfaces fabricated by interference lithography and metal assisted chemical etching
... Scanning Electron Microscopy 56 Figure 3.6 Interaction between primary electrons and the sample surface generates backscattered electrons, secondary electrons, Auger electrons and X-rays ... Boundary conditions for wicking flow on silicon nanopillars surface 74 ix List of Figures Figure 4.6 Contact angle of (a) water and (b) silicone oil estimated using a contact angle goniometer ... Spreading and (b) Wicking of liquid on a solid surface (c) Example of wicking of an ethanol drop on a horizontal silicon wafer.1 1.2 Motivation The wicking of fluids on micro-/nano-textured surfaces...
Ngày tải lên: 10/09/2015, 09:04
AASHTO Subcommittee on Bridges and Structures Newport, RI June, 2005
... Add P/S concrete girder analysis and rating - Add R/C continuous beam and slab analysis and ratingTwo Bridges, One Project | Sections & - Funded by ALDOT Resolve outstanding incidences and user ... module supporting NBI changes – Web-based and standalone versions Two Bridges, One Project | Sections & – Support for customization options currently in Pontis 16 Opis LRFD Update Opis Superstructure ... Bridges, One Project | Sections & 15 On the Horizon – June 06 Pontis • Tentatively planned for June 2007 • Will build on the Pontis 5.0 work performed in 2005-2006 • Will include: – New inspection...
Ngày tải lên: 06/09/2012, 15:57
Báo cáo y học: "Iraqi health system in kurdistan region: medical professionals’ perspectives on challenges and priorities for improvement"
... completed questionnaire on the specified date Shabila et al Conflict and Health 2010, 4:19 http://www.conflictandhealth.com/content/4/1/19 The survey was conducted between April 15 and July 15, ... et al Conflict and Health 2010, 4:19 http://www.conflictandhealth.com/content/4/1/19 development of an efficient health system that was considered one of the best in the Middle East region This ... survey questionnaire, 209 individuals (83.6%) responded There were no statistically significant differences between the gender and professional characteristics of respondents and non-respondents The...
Ngày tải lên: 25/10/2012, 10:06
Báo cáo y học: "introduction to special issue on Eye and Zoonosis – from the guest editors"
... American Journal of Ophthalmology: Delair E, Monnet D, Grabar S, Dupouy-Camet J, Yera H, Brézin AP Respective roles of acquired and congenital infections in presumed ocular toxoplasmosis Am J Ophthalmol ... toxoplasmosis • Update on the treatment of ocular toxoplasmosis We hope that this special issue will be interesting to readers and provides researchers with timely update on various topics in this ... researchers with timely update on various topics in this important field Conflict of Interest The authors have declared that no conflict of interest exists http://www.medsci.org ...
Ngày tải lên: 03/11/2012, 11:11
Conclusions on Strengths and Weaknesses of Rang Dong Plastic Company
... snacks, confectionery With the motto of production modernization and synchronization, Rang Dong Plastic Company invested one PE, BOPP laminating machinery line and one three-side cutting and sealing ... synchronization, up-grading of production and technology, of developing and expanding the whole market in the country and of market expansion for exportation to Asian and other countries Rang Dong ... 5.1 Foundations of Rang Dong plastic company’s strategy 51 5.2 Strategic options for Rang Dong plastic company 52 CONCLUSION AND RECOMMENDATIONS 55 6.1 Conclusion 55 6.2 Recommendations 56 REFERENCES...
Ngày tải lên: 13/04/2013, 10:33
Impacts of Greenhouse Gas on Feed and Livestock Production
... total N2O emissions from animal excreta in 2004 Livestock production system N2O emissions from manure management, after application/deposition on soil and direct emissions (million tonnes CH4 per ... emissions from respiration Species World total (million head) Biomass (mil tonnes liveweight) Carbon dioxide emissions (million tones CO2) 501 1906 Cattle and buffaloes 1496 Small ruminants 1784 47.3 ... turkey and geese; 2Includes also rabbit Source: Steinfeld et al (2006) 3161 Table Global methane emissions by livestock production system in 2004 Livestock production system Emissions (million tonnes...
Ngày tải lên: 14/04/2013, 16:04
ASSIGNMENT ON English and American Literature
... Stratford-upon-Avon until he was twenty-one.By that time he was married and had three children.At twenty-one he left Stratford-upon-Avon for London where he joined a theatrical company and worked ... 1613,Shakespeare left London and returned to his native town of Stratford-upon-Avon.Three years later ,on April 23,1616,he died and was buried there.Shakespeare wrote the famous 154 sonnets and numerous ... miles from London.He was the son of a tradesman.When a boy he went to Stratford Grammar School where Latin and Greek were almost the only subjects.Life itself,contact with people and his acquaintance...
Ngày tải lên: 25/04/2013, 21:25
TCHON-AV9-HKII- PERIOD 1 REVIEW ON TENSES AND GERUNDS
... We must all make a personal decision to work for the future of our planet if we want to ensure a better world (10) our grandchildren A with B without C and D but A and B however C so D moreover ... _ My younger sister and brother / love / watch / cartoons / much _ III Complete the following sentences with tag- questions: You don’t like watching sports, ... damage we are doing to the environment The earth is being threatened (2) the future looks bad (3) can each of us do? We can not clean (4) our polluted rivers and seas overnight Nor we can...
Ngày tải lên: 18/06/2013, 01:26
Period 2 REVISION ON ENOUGH AND ADJECTIVE ORDER.doc
... everything was strange and difficult to me Life in the city is always busy and the people are often in a hurry Lots of bikes, motorbikes, cars and buses coming from every direction scared me Now I ... used to the noise and busy city traffic I’m no longer afraid of crossing the road However, I don’t really like to live in the city I prefer to live in the countryside Questions: Where did his ... work well He can get promotion This bag is very small It can’t carry everything IV Read the passage and answer the questions below: When I was twelve,...
Ngày tải lên: 09/07/2013, 01:26
AV 9 TCHON HKII PERIOD 2 REVIEW ON ADJECTIVES AND ADVERBS
... phone book Is there one near here? 10 Listen! Can you hear those people next door? They (shout) at each other again II/ Choose the correct one I always feel ………………………… before examinations ... sentences with tag- questions: Mary met you last night, …………………………? I’m a student, …………………………? No one comes on time, …………………………? You are hardly late, …………………………? Lan will come here soon, …………………………? ... 1.What should you to (keep - protect - prevent - reduce) the environment? 2.(Forest - Forestry - Deforestation - Forests) is one of the causes of flood 3.People use (pesticides - dynamite- treasures...
Ngày tải lên: 20/07/2013, 01:28
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