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| 1 | Contour representation based on wedgelet显示文摘Aiming at the shortcomings of the existing wed gelet compression arithmetics, a novel contour-representing algorithm based on wedgelets is presented in this paper. Firstly the input image is binarized and the most optimized wedgelets ar e found by means of quadtree framework. Then the contours are reconstructed by a pplying the wedgelets, the data volume is compressed, and the shortcomings of th e contour representation based on normal wavelet are ameliorated, the better ef fect for the visualization is obtained, too. | Liu Zeyi~1, Sun Ziqiang~ 2,3 , Xu Ling~2 & Peng Xiang~ 4,5 1. Dept. of Mathematics of Science Coll., Shenzhen Univ., Shenzhen 518060, P.R. China 2. Dept. of Mathematics of Science Coll., Tianjin Univ., Tianjin 300072, P.R. Ch ina 3.Tianjin Foreign Studies Univ., Tianjin 300204, P.R. China 4. Inst. of Optoelectronics, Shenzhen Univ., Shenzhen 518060, P.R. China 5. National Lab of Precision Measurement Technology and Instrumentation, Tianjin 300072, P.R. China | 2006 | Journal of Systems Engineering and Electronics2006，17，2： | 2 |
| 2 | Tumor interactions with the vasculature:angiogene-sis and tumor metastasis显示文摘 | 3]Blood CH Zetter BR | 1990 | Biochim Biophys Acta1990，1032，1： | 1 |
| 3 | Surgical treatment of lumbar spinal stenosis associated with adult scoliosis显示文摘 | Crawford CH 3 rd Glassman SD | 2009 | Instr Couse Lect2009，58，66： | 1 |
| 4 | Clinical use of biochemical markers of bone remodeling:current status and future directions显示文摘 | Looker AC Bauer DC Chesnut CH 3^rd | 2000 | Osteoporos Int2000，11，： | 1 |
| 5 | Strain BR60显示文摘 | Wyndham RC Cloning and expression of the transposable chlorobenzoate 3 4-dioxygenase genes of Alcaligenes sp | 1993 | Appl Environ Microbio1993，59，： | 1 |
| 6 | Incidence of lung injury in the United States 显示文摘 | Goss acute 2003 3 CH Brower RG Hudson LD | 2003 | Crite Med2003，1，6： | 1 |
| 7 | Salmon calcitonin: a review of current and future therapeutic indication 显示文摘 | Chesnut CH 3 rd Azria M Silverman S | 2008 | Osteoporos Int2008，19，4： | 1 |
| 8 | Measuring visual discom- fort in college student 显示文摘 | Borsting E Chase CH Ridder WH 3 rd | 2007 | Optom Vis Sci2007，84，8： | 1 |
| 9 | Etiology of chylothorax in 203 patients 显示文摘 | Doerr CH Allen MS Nichols FC 3 ra | 2005 | Mayo Clin Proc2005，80，7： | 1 |
| 10 | A novel pseudorabies virus(PRY) provides complete protection from lethal challenge with the Bartha-K61-vaccinated PRV variant emerging in swine population in China显示文摘 | Wang CH gE-deleted rapid and Yuan 3 Oin HY | 2014 | Vaccine2014，32，： | 1 |
| 11 | The transforming growth factor-beta family显示文摘 | 3,Massaque H Ichijo H Heldin CH | 1990 | Ann Rev Cell Biol1990，6，4： | 1 |
| 12 | 02-2,5-Fc2C4H2CO}], 1, 2,4 - Triferrocenylbenzene, 2,5 - Diferrocenylthiophene, and 2,5 - Diferrocenylselenophene显示文摘 | P Mathur A K Singh V K Singh et aL Coupling reactions of ferrocenylacetylene with mononuclear metal carbon- yls Fe(CO) s and M(CO) 6 ( M = Mo W) : synthesis and characterization of 5 - Fc2 C5 H2 CO} C(Fc) =CH] EFe(CO)2{η2:η2-2 5-Fc2C4H2 Fe(CO)3}-μ-CO] | 2005 | Organometallics2005，24，20： | 1 |
| 13 | Microwave Millisecond Spikes on July 30, 1997显示文摘The characteristics of the millisecond spikes with short durations and weak flux densities which were observed with high time resolution (1 ms) during a great type Ⅳ solar radio burst of 1990 July 30 are introduced. The time profiles of the spikes are statistically analyzed and the parameters of the spike source are also estimated. | Wang M., Xie R. X.$$$$1 (Beijing Astronomical Observatory, The Chinese Academy of Sciences, Beijing 100012, China) 2 (Yunnan Astronomical Observatory, The Chinese Academy of Sciences, Kunming 650011, China) 3 (National Astronomical Observatories, The Ch | 1999 | 天文研究与技术1999，，S1： | 0 |
| 14 | Epidemiological investigation on mercury contamination in gold mining and its effect on health显示文摘In this paper, it is reported the environmental contamination of mercury in gold mining in China and the effect of mercury exposure on health. The results showed that Hg concentration of air in the Hg\|use workshop, the mining area and the population’s living area were 0.058 mg/m 3, 0.047 mg/m 3 and 0.043 mg/m 3, respectively. Hg content of air in the suburbs 5 km from the mining area was 0.007 mg/m 3. The difference in Hg concentration of air was statistically significant ( p <0.05) between the Hg\|use workshop and the population’s living area. But there was no difference between the mining area and the population’s living area ( p >0.05). All of the values determined above were excessed the Chinese national standards. Hg concentration of snowfall and soil in the mining area were 0.058 mg/L and 2.78 μg/g. Both of them differed from those of the living area ( p< 0.01 and p <0.05). Hg content of the waste water was up to the national emission standards. Hg contents of wild plants differed inside as compared to outside the mining area ( p <0.05). But Hg content of plants of the two places was both in the range of the background. The results that Hg levels accumulated in the bodies showed that Hg concentration of hair, blood and urine of the workers of the Hg\|exposed group (group I, GI) were all higher than those of the non\|Hg\|exposed group (group II, GII). Hg in hair and urine was statistically significant ( p<0.001 and p<0.005) between the two groups. Hg content of hair of twenty\|five percent of workers in GI was higher than 4 ppm, and a small number of workers in this group was higher than 10 ppm. The Hg content of urine of eighty percent of workers in GI was higher than that of the Chinese normal human’s standard. Some slight but typical clinical symptoms, of Hg poisoning were found in some worker’s by clinical examination. It proved that the environment of the gold mining area was polluted by Hg vapor in varying degrees. The population was suffering from mild degree of Hg poisoning. It pointed to the fact that protecting the ecosystem and human’s health against Hg pollution should be paid great attention in this gold mining area. | GUAN Ming 1, ZHENG De\|ming 1, YU Ya\|qin 1, ZHAO Jie\|xu 1, BI Wen\|xiang 1, WU Di 1, LING Jing 1, DU Wei 1, XIA Yu\|Yong 1, GAO Shen 2, SUN Wei\|wei 2, GUAN Ci\|nan 3, WANG Yan\|li 3 (1. Norman Bethune University of Medical Sciences, Ch | 2000 | Journal of Environmental Sciences2000，12，S1： | 0 |
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