雄姿

Lingnan first hurdle"- mei Guan, Zhang Jiuling for granted since the Tang Dynasty were excavated yidao phase, after the Central Plains of the arteries leading to Lingnan, the older generation of proletarian revolutionaries of Chen Yi's immortal poem,"Meiling three chapters of" also was born in This; well-known at home and abroad Abas Lane was once the southern border of the colony to expand the Chinese nation and the many people and Haiwaichizi Guangfu the birthplace of its unique cultural history, the Lingnan exerted a far-reaching economic and cultural impacts; in the urban areas of the three Shadow Guta in Guangdong Province, may be the only absolute test of the Song era tower, still majestic still existent; an area of 1800 square kilometers of "Nanxiong red layer, is the world's rare, one of the standard layer, where dinosaurs and other palaeontological is extremely rich in fossils, geology and paleontology of the research has important scientific value; being implemented to develop, with Danxia geomorphological features, Cang Shizhaishan natural scenery tourist area and scenic setting.

岭南第一关&——梅关，自唐代名相张九龄奉旨开凿驿道后，成为岭南通往中原之要道，老一辈无产阶级革命家陈毅的不朽诗篇《梅岭三章》也诞生于此；闻名海内外的珠玑巷一度是中华民族拓展南疆的聚居地和众多广府人及海外赤子的发祥地，其独特的人文历史，对岭南经济文化产生过深远影响；位于市区的三影古塔是广东省唯一有绝对年代可考的宋塔，至今雄姿犹存；面积达 1800 平方公里的&南雄红层，是世界上不可多得的标准层之一，其中恐龙等古生物化石极为丰富，对地质学和古生物学的研究具有相当重要的科学价值；正实施开发、具有丹霞地貌特征的苍石寨自然风光旅游区，景色怡人。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。