1. WWW Page Of Helen Zhang ( Heng Zhang) heng zhang s Homepage Welcome to my new home page, too! The very center ofWashington DC is at my finger tip ! Here comes Helen ( heng zhang ). http://www.haoli.org/hzhang/

Heng Zhang's Homepage Welcome to my new home page, too! My Photo Album in 1999-2000 The very center of Washington DC is at my finger tip ! Here comes Helen ( Heng Zhang ) Root Heng , which means a precious stone in Chinese was born luckily into a warm and open-minded family , which has since been the rich source of love and encouragement for her whole life. "It is the greatest pleasure to see my kids fly as high as they could ". The great family belief has lead both girls, Heng and her dearest younger sister, cong to their aspirant dreams. Growth Heng spent 5 memorable years in the top Tsinghua University of Beijing China and got her BS degree in Materials Science and Engineering Department in the hot, exciting summer of 1996. Other than the laughters from class camping mountains and lakes, the five years also saw her sad cries but mostly brave smiles during hardships. It was right here that she was granted wise guidance and tremendous support to face far more challenges.

2. Zhang Heng Zhang Heng. Born 78 in Nanyang, China Died 139 in China. Heng was amathematician, astronomer and geographer. He became chief astrologer http://www.sinopro.com/zhang.htm

Zhang Heng Born: 78 in Nan-yang, China Died: 139 in China Heng was a mathematician, astronomer and geographer. He became chief astrologer and minister under the Emperor An'ti of China. In the year 123 he corrected the calendar to bring it into line with the seasons. In 132 Heng invented the first seismoscope for measuring earthquakes. Heng's device was in the shape of a cylinder with eight dragon heads around the top, each with a ball in its mouth. Around the bottom were eight frogs, each directly under a dragon head. When an earthquake occurred, a ball fell out of a the dragon's mouth into a frog's mouth, making a noise. Heng was the first person in China to construct a rotating celestial globe. He wrote about this in his work Hun-i chu where he describes his version of the universe as follows:- The sky is like a hen's egg, and is as round as a crossbow pellet; the Earth is like the yolk of the egg, lying alone at the centre. The sky is large and the Earth small. In another work Lin Hsien, he describes the stars:- North and south of the equator there are 124 groups which are always brightly shining. 320 stars can be named. There are in all 2500, not including those which the sailors observe. Of the very small stars there are 11520.

3. Zhang_Heng Zhang Heng. Zhang Heng was born at the time of the Eastern Han (sometimes calledLater Han) dynasty, the second half of the longest lasting Chinese dynasty. http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Zhang_Heng.html

Zhang Heng Born: 78 in Nan-yang, China Died: 139 in China Click the picture above to see a larger version Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Zhang Heng was born at the time of the Eastern Han (sometimes called Later Han) dynasty, the second half of the longest lasting Chinese dynasty. The Eastern Han was established in 25 AD after the brief 15 year reign of Wang Mang's Hsin dynasty had replaced the Western Han dynasty. At the time of Zhang Heng's birth the Emperor was Chang-ti, the third of the Eastern Han emperors. The capital of the country had moved to Lo-yang where a large ornate palace had been built. In Encyclopaedia Britannica the aims and achievements of the Han rulers are described as follows:- ... the Han came to require cultural accomplishment from their public servants, making mastery of classical texts a condition of employment. The title list of the enormous imperial library is China's first bibliography. Its text included works on practical matters such as mathematics and medicine, as well as treatises on philosophy and religion and the arts. Advancement in science and technology was also sought by the rulers, and the Han invented paper, used water clocks and sundials, and developed a seismograph. Calendars were published frequently during the period. Over the years that Zhang Heng grew up, Chinese influence and prestige were growing rapidly and reached their peak in around 90 when he was about 12 years old. This was the period during which Ho-ti was the emperor and the court began to be influenced by family members seeking to extend their own power. Zhang, who had been born into an important family, was educated in the moral and political philosophy of Confucianism. For ten years he studied literature and trained as a writer. He published a number of literary works which gained him considerable fame. We shall give more information below on these aspects of Zhang's achievements as well as examples of his poetry. Zhang was thirty years old before his interests turned from literature to scientific matters, and at that time he became particularly interested in astronomy.

4. References For Zhang_Heng References for Zhang Heng. SK Mo, The ratio of circumference to diameter accordingto heng zhang (Chinese), J. Northwest Univ. 26 (4) (1996), 359362. http://www-gap.dcs.st-and.ac.uk/~history/References/Zhang_Heng.html

References for Zhang Heng Books: D R Knechtges (trns.), Wen Xuan, or Selections of Refined Literature (Princeton, New Jersey, 1982). J-C Martzloff, A history of Chinese mathematics (Berlin-Heidelberg, 1997). J-C Martzloff, (Paris, 1987). J Needham, Science and Civilisation in China III (Cambridge, 1959). Ngo van Xuyet, Divination, Magie et Politique dans la Chine Ancienne (Paris, 1976). F Ye, The History of the Eastern Han Dynasty (Chinese) (Beijing, 1965). Articles: Z Jin, A critique of "Zhang Heng's theory of a spherical earth", in Chinese studies in the history and philosophy of science and technology (Dordrecht, 1996), 427-432. S K Mo, The ratio of circumference to diameter according to Heng Zhang (Chinese), J. Northwest Univ. Main index Birthplace Maps Biographies Index History Topics ... Anniversaries for the year JOC/EFR December 2003 School of Mathematics and Statistics University of St Andrews, Scotland The URL of this page is: http://www-history.mcs.st-andrews.ac.uk/References/Zhang_Heng.html

5. DBLP: Shi-Heng Zhang Shiheng zhang. List of publications from the DBLP Bibliography Server - FAQ 2003.2, EE, Francis CM Lau, Shi-heng zhang Optimal gossiping in paths and cycles. http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/z/Zhang:Shi=Heng.html

Shi-Heng Zhang List of publications from the DBLP Bibliography Server FAQ Coauthor Index - Ask others: ACM DL ACM Guide CiteSeer CSB ... Francis C. M. Lau , Shi-Heng Zhang: Optimal gossiping in paths and cycles. J. Discrete Algorithms 1 EE Francis C. M. Lau , Shi-Heng Zhang: Fast Gossiping in Square Meshes/Tori with Bounded-Size Packets. IEEE Trans. Parallel Distrib. Syst. 13 Coauthor Index Francis C. M. Lau DBLP: [ Home Author Title Conferences ... Michael Ley (ley@uni-trier.de) Fri May 28 13:12:35 2004

6. DBLP: Ming-Heng Zhang dblp.unitrier.de Ming-heng zhang. 2004. 1, EE, Ming-heng zhang, Qian-Sheng ChengDetermine the number of components in a mixture model by the extended KS test. http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/z/Zhang:Ming=Heng.html

Ming-Heng Zhang List of publications from the DBLP Bibliography Server FAQ Coauthor Index - Ask others: ACM DL ACM Guide CiteSeer CSB ... EE Ming-Heng Zhang, Qian-Sheng Cheng : Determine the number of components in a mixture model by the extended KS test. Pattern Recognition Letters 25 Coauthor Index Qian-Sheng Cheng DBLP: [ Home Author Title Conferences ... Michael Ley (ley@uni-trier.de) Fri May 28 13:12:35 2004

7. Recherche Inventeur - Invention heng zhang en 0.113 s. Ø Site(s)trouvé(s) 1 à 1. 14. Inventeur ( Zhang Heng ), Lieu ( Chine ). http://www.awake2life.com/ericc/phpmyannu/search.php3?mots=Heng Zhang&and=0

8. Zhang Heng Zhang Heng. Zhang Heng () (78 AD 139 AD) was an astronomer, mathematician,artist and literature scholar in the Eastern Han Dynasty of China. http://www.fact-index.com/z/zh/zhang_heng.html

Main Page See live article Alphabetical index Zhang Heng Zhang Heng AD - AD) was an astronomer mathematician , artist and literature scholar in the Eastern Han Dynasty of China Born in today Nanyang County Henan In the year he corrected the calendar to bring it into line with the seasons. In , Zhang invented the first seismoscope for measuring earthquakes . He theorized that the universe was like an egg with the stars on the shell and the earth as the yolk. Zhang Heng was the first person in China to construct a rotating celestial globe . He also invented the odometer. In one of his publications pi This article is from Wikipedia . All text is available under the terms of the GNU Free Documentation License

9. Microchip Names (Z) ZDUNCYK JENIFER M ZDUNCYK ZHANG ZE YANG ZE6 ZEA VERA ZHANEL ZHANG DUODUO ASTEROID 1802 ZHANG heng zhang LIXIN MS. ZHANG YAN CHINA ZHANG YANG ZHANG YIN ZHANG YIN http://stardust.jpl.nasa.gov/overview/microchip/names2z2.html

+ View the NASA Portal SEARCH STARDUST Microchip Names (Z) Note: As a public outreach effort, over 1 million names were collected and placed on the STARDUST spacecraft,which will visit Comet Wild 2 in 2004. See here for more details. Return To Microchip Home Page Last Updated: July 16, 2001 Webmaster: Ron Baalke

10. Zhang Heng - Encyclopedia Article About Zhang Heng. Free Access, No Registration encyclopedia article about Zhang Heng. Zhang Heng in Free online Englishdictionary, thesaurus and encyclopedia. Provides Zhang Heng. Word http://encyclopedia.thefreedictionary.com/Zhang Heng

Dictionaries: General Computing Medical Legal Encyclopedia Zhang Heng Word: Word Starts with Ends with Definition Zhang Heng Alternate uses, see Number 78 Centuries: 1st century BC - 1st century - 2nd century Decades: 0s BC - 0s - 10s - 20s - 30s - 40s - 50s - 60s - Years: 73 74 75 76 77 Events Romans conquer the Ordovices, located in present-day northern Wales, as well as the Silures. Gnaeus Julius Agricola replaces Sextus Julius Frontinus as governor of Roman Britain. Indian Prince Aji Caka introduces Sanskrit language and Pallawa script, used to inscribe Javanese words and phrases, to the Indonesian islands. The base year for the Saka era , beginning on the Vernal equinox. Click the link for more information. AD - Centuries: 1st century - 2nd century - 3rd century Decades: 80s 90s 100s 110s 120s - Years: 134 135 136 137 138 - Events Births Deaths Zhang Heng, Chinese mathematician Click the link for more information. AD) was an astronomer Astronomy , which etymologically means " law of the stars Click the link for more information. mathematician Mathematics is commonly defined as the study of patterns of structure, change, and space; more informally, one might say it is the study of 'figures and numbers'. In the formalist view, it is the investigation of axiomatically defined abstract structures using logic and mathematical notation; other views are described in Philosophy of mathematics. Mathematics might be seen as a simple extension of spoken and written languages, with an extremely precisely defined vocabulary and grammar, for the purpose of describing and exploring physical and conceptual relationships.

11. Zhang - Encyclopedia Article About Zhang. Free Access, No Registration Needed. W Zhang heng zhang Heng () (78 AD 139 AD) was an astronomer, mathematician,artist and literature scholar in the Eastern Han Dynasty of China. http://encyclopedia.thefreedictionary.com/Zhang

Dictionaries: General Computing Medical Legal Encyclopedia Zhang Word: Word Starts with Ends with Definition Zhang Traditional Chinese Traditional Chinese characters Among Chinese people, Traditional Chinese characters are also called Complicated Chinese characters Old characters Click the link for more information. Simplified Chinese Simplified Chinese characters simplified (with respect to Chinese characters) may also be used to refer to the off-the-cuff simplifications employed in hand-writing, which classically are not official but generally widespread. This latter meaning is not the one discussed by this article, unless otherwise noted. Click the link for more information. pinyin Pinyin Hanyu pinyin Click the link for more information. Wade-Giles Wade-Giles , sometimes abbreviated Wade , is a Romanization (phonetic notation and transliteration) system for the Chinese language based on Mandarin. It developed from a system produced by Thomas Wade in the mid-19th century, and reached settled form with Herbert Giles's Chinese-English dictionary of 1912. It was the main system of transliteration in the English-speaking world for most of the 20th century. Click the link for more information.

12. Davis Cup - Players Jiaheng zhang, China, PR, Flag of CHN. Date of Birth, 09 Nov 1971. Placeof Birth, Height, Weight, Handed, Unknown. Singles Ranking, Doubles Ranking, http://www.daviscup.com/teams/player.asp?Player=10001768

13. Fast Gossiping In Square Meshes/Tori With Bounded-Size Packets Authors, Francis CM Lau, Univ. of Hong Kong, Hong Kong. Shiheng zhang,Univ. of Hong Kong, Hong Kong. Publisher, IEEE Press Piscataway, NJ, USA. http://portal.acm.org/citation.cfm?id=507151&dl=ACM&coll=portal&CFID=11111111&CF

14. Zhang Heng Zhang Heng. Used with permission of Zhang Heng (78139) was a Chinesemathematician searching for the value of pi. His use of the http://www.cartage.org.lb/en/themes/Arts/Graphicartists/Prints/scistamp/math1/03

Zhang Heng Used with permission of Maiken Naylor, University at Buffalo, Buffalo, NY, USA, http://ublib.buffalo.edu/libraries/units/sel/exhibits/stamps Zhang Heng (78-139) was a Chinese mathematician searching for the value of pi. His use of the square root of 10 is one of the earliest approximations known. He was also the inventor of a primitive seismograph.

15. Personal Web Page Preview Xiaotao Hao, Jin Ma, Deheng zhang, Ying-Ge Yang, Hong-Lei Ma, Chuan-Fu Cheng, andXiang-Dong Liu Comparison of the properties for ZnO Al films deposited on http://www.imre.org.sg/personal/getListing_action.asp?strID=xt-hao

16. 1998 Publications E Wu, heng zhang, SJ Campbell and SR Bulcock, Crystal Structure of a QuaternaryNdCo-Si-B Compound - Refinement of Synchrotron Radiation Data , J.Alloys and http://www.ph.adfa.edu.au/s-campbell/98pubs.htm

1998 Publications G. Klingelhöfer, S.J. Campbell, G M Wang, P. Held, B. Stahl and E. Kankeleit, "Iron Ore Processing - In Situ Monitoring", Hyperfine Interactions 111, 335-339 (1998). S.J. Campbell, E. Wu, W.A. Kaczmarek and G. Wang, "Barium Ferrite Ball Milled in Vacuum", Hyperfine Interactions 112, 243-246 (1998). E Wu, Heng Zhang, S.J. Campbell and S.R. Bulcock, "Crystal Structure of a Quaternary Nd-Co-Si-B Compound - Refinement of Synchrotron Radiation Data", J.Alloys and Compounds 264, 232-235 (1998). W.A. Kaczmarek and S.J. Campbell, "Transformations in Oxides - Dry and Wet Mechanochemical Processes", Materials Science Forum 269-272, 259-264 (1998). W.A. Kaczmarek, S.J. Campbell, E. Wu, B. Idzikowski and K-H Müller, "Structural and Magnetic Phases in Ball Milled Strontium Ferrite", Materials Science Forum 269-272, 455-460 (1998). C. Stiller, E. Wu, S.J. Campbell, A. Kerr, W.A. Kaczmarek, J.S. Williams, J.Eckert and L Schultz, "Mechanically Alloyed and Rapidly Quenched Fe-Zr-B-Cu : Mössbauer Investigation", Materials Science Forum 269-272, 425-430 (1998). M. Hofmann, S.J. Campbell, R.I. Smith, S.J. Kennedy, X.L. Xhao and A.V.J. Edge, "Competing Magnetic Interactions in La0.8Y0.2Mn2Si2", Materials Science Forum 278-281, 455-460 (1998).

17. 2000 Publications heng zhang, SJ Campbell and AVJ Edge, Formation and Structure of RareEarth IntermetallicCompounds R3Co29M4B10, Journal of Physics Condensed Matter, 12, L159 http://www.ph.adfa.edu.au/s-campbell/00pubs.htm

2000 Publications W Schäfer, W Kockelmann, A Kirfel, W Potzel, F J Burghart, G M Kalvius, A Martin, W A Kaczmarek and S J Campbell, "Structural and Magnetic Variations of ZnFe2O4 Spinels - Neutron Powder Diffraction Studies", Materials Science Forum 321-324, 802-807 (2000). F J Burghart, W Potzel, G M Kalvius, E Schreier, G Grosse, D R Noakes, W Schäfer, W Kockelmann, S J Campbell, W A Kaczmarek, A Martin and M K Krause, "Magnetism of Crystalline and Nanostructured ZnFe2O4 ", Physica B 289-290, 286-290 (2000). S.J. Campbell, M. Hofmann and A.Calka "The Synthesis of TiN by Ball-Milling - A Neutron Diffraction Study", Physica B 276-278, 899-900 (2000). Heng Zhang, S. J. Campbell and A V J Edge, "Formation and Structure of Rare-Earth Intermetallic Compounds R3Co29M4B10, Journal of Physics: Condensed Matter, 12, L159-L166 (2000). Heng Zhang, S. J. Campbell, H S Li, M Hofmann and A V J Edge, "Mössbauer Study of Rare-Earth Intermetallic Compounds R3T29Si4B10", Journal of Physics: Condensed Matter, 12, 5021-5032 (2000). M. Hofmann, S.J. Campbell and S J Kennedy, "Competing Magnetic Interaction in La0.8Y0.2Mn2Si2 - Coexistence of Canted Ferromagnetism and Antiferromagnetism"

18. Fall 2002 Class Schedule - Mathematical Sciences Section 1 Maryland 104, W 4, TA Pamela Pei, M 12-1. Section 2 - NEB 12, Th1030, TA heng zhang, T 2-4. Section 1 - Maryland 104, W 3, TA heng zhang,T 2-4. http://www.mts.jhu.edu/ams/undergraduate_programs/course_descriptionsfa02.html

Johns Hopkins University A PPLIED M ... Other Resources DEPARTMENT OF MATHEMATICAL SCIENCES Course Schedule FALL 2002 COURSE # click on course # for description COURSE / ROOM # TIME STAFF OFFICE HOURS STATISTICAL ANALYSIS Shaffer 3 MTW 12 Prof. Donniell Fishkind MTW 10-11 Section 1 - Maryland 201 W 4 TA: Babis Antoniou W 3-4 Section 2 - NEB 12 Th 9 TA: David Silver M 2-3 Section 3 - Maryland 217 Th 10:30 TA: Dave Hutchison T 4-6 Section 4 - Maryland 109 Th 12 TA: Xiaoling Wu T 2-4 Section 5 - Maryland 114 Th 1 TA: Xiaogong Zhong M 4:30-6:30 Section 6 - NEB 12 Th 2 TA: Xiaoling Wu T 2-4 STATISTICAL ANALYSIS II Hodson 311 MTW 1 Prof. Paul Maiste T 11-12 W 12-1 Section 1 - Maryland 104 W 4 TA: Pamela Pei M 12-1 Section 2 - NEB 12 Th 10:30 TA: Heng Zhang T 2-4 Section 3 - Cancelled Th 12 Cancelled Section 4 - Shaffer 300 Th 1 TA: Jiang Hu DISCRETE MATHEMATICS Hodson 210 MTW 11 Prof. Fred Torcaso

19. Öйú¿Æѧ¼¼Êõ´óѧ Jian Yang, GuangHui Chen, Shu-Hong Yu*, Xian-Ming Liu, Yu-heng zhang, Yi-Tai Qian,“Pressure-controlled fabrication of stibnite nanorods by the solvothermal http://mse.ustc.edu.cn/detail.php?siteid=1317&tplset=deptc1&pid=1320&catalogid=1

20. University Of Science And Technology Of China Jian Yang, GuangHui Chen, Shu-Hong Yu*, Xian-Ming Liu, Yu-heng zhang, Yi-Tai Qian, Pressure-controlled fabrication of stibnite nanorods by the solvothermal http://mse.ustc.edu.cn/en/more.php?siteid=1328&tplset=depte1&siteid=1328&pid=242

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