细叶

This paper deals with the influences of Hg to the morpha. some physiological and biochemical parameters such as chlorophyll, superoxide dismutase, catalase of a kind of submerged macrophyte Egeria najas; some parameters for the amelioration of water quality and agamogenesis of Egeria najas were also studied.

本文研究了Hg~(2-)对沉水植物细叶蜈蚣草外部形态、叶片叶绿素含量、超氧化物歧化酶和过氧化氢酶活性等几个生理生化指标的影响：从水体主要理化指标和生物营养元素的变化情况研究了Hg~(2 )对细叶蜈蚣草净水功能的影响；从细叶蜈蚣草断枝和侧枝生殖的变化情况研究了Hg~(2 )对其营养繁殖的影响。

The main varieties are: Phlox paniculata hardy varieties of fine distinctions and problems dozen Phlox four by Ju Netherlands-ju (clove red, crown, purple, blue dream) Germany Sedum yellow Germany Sedum, Germany Sedum leaves, red flowers Babao Sedum, Rhodiola Babao powder, blue tail Ye days Notoginseng Sedum, streets paved with gold Sedum, Sedum, by Carnation, the United States to spend evening primrose , Tradescantia hairless, Germany Iris, Iris, Butterfly Orchid, Iris tenuifolia, small beauty Iris Hong Iris root, Hosta The doll Hemerocallis, day lily flowers United States, yellow calamus, Lythrum salicaria, false lead ,Ju, Shegan, Jin-Han No.

主要品种有：宿根耐寒福禄考精优品种十几种及丛生福禄考四种，地被菊荷兰菊德国景天德国黄花景天、德国红叶景天、八宝红花景天、八宝粉红景天、鼠尾蓝叶景天、三七景天、遍地黄金景天、佛甲草、地被石竹、美国大花月见草、无毛紫露草、德国鸢尾、兰蝴蝶鸢尾、细叶鸢尾、小美人鸢尾、香根鸢尾、玉簪金娃娃萱草，美国大花萱草，黄昌蒲、千屈菜、假龙头、蛇鞭菊、射干、锦寒(1、2号)月季、马莲、黑心菊、松果菊、松塔景天、北景天、鼠尾草、马蔺、耧斗菜、荚果蕨、大花剪秋罗、卧茎景天、红宝石萱草、狼尾草、铃兰、落新妇等。

The variational rules of the activity of SOD and CAT of Egeria najas is coincident for all durations of exposure, at first the activity of SOD and CAT were increased, subsequently the activity of SOD and CAT were declined.

在Hg~(2 )处理的96h内，细叶蜈蚣草SOD和CAT活性变化规律基本是一致的，只是酶活性的相对大小有所变化，即细叶蜈蚣草SOD和CAT活性随Hg~(2 )增加先上升后下降。

From 24h to 96h, the removal rates of NH4 -N in every experimental group were all negative indicated that when being exposure to Hg2 , Egeria najas not only couldnt remove NH4 -N from water, but also would increase its concentration.

在24-96h的处理时间内，各实验组中细叶蜈蚣草对NH_4~-N的去除率基本为负数，说明在Hg~(2 )的作用下，细叶蜈蚣草不仅不能去处水中的NH_4~-N，相反还可能使水中的NH_4~-N增加。96h内水体NO_3~--N含量变化无明显的规律性，而细叶蜈蚣草对水体NO_3~--N的去除率变化规律比较一致，先上升后下降最后比较平稳。

The results as follow:1 Effect of Hg2 to the physiological and biochemical parameters of Egeria najasAfter 24h of exposure, the color of leaf of Egeria najas became greenish at 10mg/L Hg, the color of leaf of Egeria najas was not affected significantly under 10mg/L Hg.

现将主要结果总结如下： 1 Hg~(2 )对细叶蜈蚣草叶片叶绿素含量、超氧化物歧化酶和过氧化氢化酶的影响经过24h的处理，Hg~(2 )浓度为10.00mg/L的实验组中的细叶蜈蚣草叶片开始褪绿，Hg~(2 )浓度为1.00mg/L和2.00mg/L实验组中略微褪绿，而Hg~(2 )浓度为0.05mg/L和0.10mg/L实验组中未出现明显的褪绿现象。

Results: the yield rate of the collected volatile oil of artemisia indica and artemisia feddei was 0.32%, 0.29%, respectively. the main constituents of them were as follows: eucalyptol, camphor, borneol, terpineol, cubebene, caryophyllene, caryophyllene oxide, germacrene d, etc, which was similar to the constituents of volatile oil from artemisia argyi. but the contents of volatile oil were different in different medicinal materials. longiverbenone with high content in artemisia feddei was can not be detected in artemisia indica and artemisia argyi.

结果：广西产五月艾与细叶艾挥发油的得率分别为0.32%、0.29%；五月艾、细叶艾和艾叶挥发油中均含有桉油精、樟脑、龙脑、松油醇、荜澄茄油烯、石竹烯及其氧化物、大根香叶烯d等药效成分，但各成分在不同药材中的含量存在一定差别；此外，细叶艾挥发油中含量较高的长叶马鞭烯酮在五月艾和艾叶挥发油中均未检出。

Seed germination rate and germination speed and seedling root length are more sensitive to the extract than the other index. Allelopathy on Ligularia sagitta is different among the species tested in this study, Thermopsis lanceolata, Stellera chamaejasme, Aconitum sinomontanum, Ipornoea cairica, Ajania tenuifolia and Wedelia trilobata show better result. New natural herbicides may be developed from these 6 species.

不同供体植物对箭叶橐吾化感抑制程度不同，披针叶黄华、狼毒、高乌头、五爪金龙、细叶亚菊和南美彭琪菊的作用效果非常显著（综合化感效应指数M0.50），这6种植物有望开发天然除草剂。

No Casparian stripe of the endodermis of the leaves was observed in Pinus yunnanensis Franch. distributed in the north-west and mid-part of Yunnan.

同时，滇东南的细叶云南松和滇中地区的地盘松针叶的转输组织中出现大型树脂道，在细叶云南松的幼嫩针叶中表现更为明显。

Based upon the ecoanatomical method, leaf anatomical characters of eleven populations of six evergreen species (Cyclobalanopsis glauca, C. myrsinaefolia, C. gracilis, Castanopsis sclerophylla, C. eyrei and Lithocarpus glaber) from the eastern subtropical area of China were analyzed and compared with SPSS, DCA and TWINSPAN. The results are: 1. Although the leaf structures of the eleven populations still belong to the mesophyll type, they all express the trend of xerophilization. 2. There are some differences in leaf anatomical characters among populations, species and genera, which occur as the results of their adaptation to different habitats. 3. Different leaf anatomical characters have different variations among populations, species and genera, of which leaf thickness and palisade tissue thickness (considered as ecological adaptation characters) have greater variation than sponge tissue thickness, lower cuticle thickness and lower epidermis thickness (as systematical evolution characters). 4. The leaves of C. sclerophylla and C. glauca with thicker lamina, palisade tissue and cuticle (a multilayered upper epidermis in C. sclerophylla) are thought to better adapt to their dry habitat. The leaves of C. eyrei with thicker sponge tissue, although characterized by a multlayered upper epidermis, adapt to their humid and warm habitat. The leaves of C. myrsinaefolia and C. gracilis characterized by a thinner lamina, a less palisade tissue and a moderate cuticle thickness adapt to the humid and cool habitat in a middle mountain.

选取亚热带东部替代分布明显的壳斗科6种常绿树种（青冈、小叶青冈、细叶青冈、苦槠、甜槠和石栎）的11个种群叶片进行生态解剖，并用SPSS， DCA和TWINSPAN比较分析，结果表明：①尽管6种11个种群叶的结构仍属中生叶型，但有着不同程度的趋旱适应；②叶的解剖性状在属间、种间和种群间均存在着不同程度的差异，这是它们适应各自生境的结果，青冈和石栎的种内差异较大，反映出它们对环境变化有较强响应能力；③叶片的不同解剖性状在属、种类和种群间的变化并不同步，其中叶片和栅栏组织厚度等性状差异突出，反映它们更易受环境的饰变，是生态适应性状，而海绵组织、下角质膜，特别是下表皮厚度等性状差异较小，显示出这些性状的稳定性，可以认为是系统演化性状；④苦槠、青冈具有较厚的叶片、栅栏组织、角质膜和发达输导和机械组织，苦槠还具有复表皮，表现出对旱化生境的适应；甜槠尽管具有复表皮和较厚的叶片，但这是海绵组织增厚的结果，是对中生生境的适应；小叶青冈和细叶青冈具有较薄的叶片和栅栏组织、角质膜厚度居中等特点，可能是对中山凉湿生境的适应。

Cultivate the main broad-leaved species are: Sapporo umbrella maple, almond, peach hearts, red beans Hainan, the Hainan Putao, Yau Ma Fu, Terminalia catappa pumilum; palm trees are: the elderly Kwai , A Li Hai date, Silver Date Palm, Queen's Kwai, bottle palm, coconut King, king coconut, betel nut false; shape shrubs are: luteolin Lam, Le cuckoo, Ziwei pumilum, Hongguo, the red car, Zhu Geun category The company is' production and research 'base, is currently working with South China Agricultural University College of Forest Watch breeding experts to develop eucalyptus, this production base for chemical and Zhanjiang Normal College teachers and students of the College of Life Sciences internship places.

主要培植的阔叶树种有：幌伞枫，扁桃，桃花心，海南红豆，海南蒲桃，马孚油，细叶榄仁；棕榈科树种有：老人葵，加拿利海枣，银海枣，皇后葵，酒瓶椰子，霸王椰子，大王椰子，假槟榔；造型灌木有：木犀榄，簕杜鹃，细叶紫薇，红果，红车，朱槿类。本公司是'产学研'基地，目前正与华南农业大学林学院育种专家合作开发观赏桉树，本生产基地为湛江师范学院化学与生命科学学院师生的实习场所。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。