叶的

To investigate the relationships between the tolerance difference to high temperature stress and superoxide dismutases in different cultivars of Celosia cristata, ten-leaf stage seedlings of the heat-tolerant cultivar, Century Green and the heat-sensitive cultivar, Century copper were pulsed for 48 h with diethyldithiocarbamate pretreatment and subjected to high temperature stress under controlled conditions of relative humidity of 75%~90%, 12 h/24 h photoperiod with 1 500 lx and 45 ℃, to research the changes of external morphology and interior physiology.

李永红；魏玉香深圳职业技术学院应用化学与生物技术学院，深圳 518055摘要为研究鸡冠花品种间耐热差异与超氧化物歧化酶之间的关联，选用鸡冠花耐热品种世纪绿叶和热敏品种世纪铜叶的10叶期幼苗为试材，用二乙基二硫代氨基甲酸钠进行48 h预处理之后，在45 ℃、相对湿度75%~90%，、光照1 500 1x (12 h/d)条件下进行热胁迫处理，研究其形态和生理生化的变化。

H+ efflux and Fe3+ reduced substances release by the roots were inhibited by removing chlorotic leaves and buds caused by Fe deficiency, and progressively increased as they sprouted again.

摘除缺铁失绿的新叶和顶芽，抑制根系分泌H+和Fe3+还原物；但随着新叶的重新长出，根系分泌H+和Fe3+还原物的速率逐渐提高。

Results The learning and memory ability of experimental group was better than that in saline control group (P＜0.01), but there was no significant difference between experimental group and normal control group (P＞0.05).There was significant difference in cytochrome C of hippocamp and frontal lobe between saline control group and the other groups (P＜0.01).The expression of cytochrome C in hippocamp was higher than that in frontal lobe of experimental groups.

结果 NSCs移植后AD模型大鼠的学习记忆能力明显改善，与生理盐水对照组相比差异显著（P＜0.01），与正常组相比无显著差异（P＞0.05）；海马与额叶的CytC表达显示生理盐水对照组与其他各组之间有显著差异（P＜0.01）；各实验组海马内的CytC表达均高于额叶。

Preservation of the superficial lobe for deep-lobe tumors parotidectomy could decrease the incidence of parotidectomy complications without any influence in the treatment effect.

结论保存腮腺浅叶的腮腺深叶肿瘤切除可减少面神经损伤和弗雷综合征的发生率，使腮腺的功能和外观得到改善。

Right postcentral gyrus of frontal lobe(BA2,BA1),left inferior frontal gyrus (BA47),postcentral gyrus(BA43),right inferior parietal lobule(BA40),left superior temporal gyrus(BA22) and right insular(BA13) were evoked by twisting Shenmen point; But there were not evoked by acupuncture at nonpoint.

4神门穴主要激活了右侧额叶的中央后回BA2、BA1，左侧额下回BA47和中央后回BA43，其次为右侧顶叶的顶下小叶BA40，左侧颞叶的颞上回BA22，右侧脑岛BA40；而假穴没有激活脑功能区。

Right postcentral gyrus of frontal lobe(BA2,BA1),left inferior frontal gyrus (BA47),postcentral gyrus(BA43),right inferior parietal lobule(BA40),left superior temporal gyrus(BA22) and right insular(BA13) were evoked by twisting Shenmen point; But there were not evoked by nontwisting Shenmen.

5刺激神门穴主要激活了右侧额叶的中央后回BA2、BA1，左侧额下回BA47和中央后回BA43，其次为右侧顶叶的顶下小叶BA40，左侧颞叶的颞上回BA22，右侧脑岛BA40；而非捻转刺激神门穴没有激活脑功能区。

Hepatophyta (marchantiopsida; liverworts) A phylum containing leafy and prostrate thallose forms, commonly known as liverworts, Thallose liverworts are prostrate and dichotomously branched with thalli several cells thick.

苔类植物门：是一门包括多叶的或匍匐叶状体类型的植物，如通常所说的苔类。

Main conclusions are as follows:(1) changes of leaf morphological and anatomical structures with tree height:25 researched tree species exhibited xeromorphic structures at tree top,that is,toward tree top,leaves were with 1 increased cuticle thickness;2 developed palisade tissue and even double-palisade structure;3 densely arranged tissue cells;4 smaller cells;5 thicker epidermis,smaller and denser stomata;6 smaller and thicker leaf,great LMA value.

本文主要得出以下结论：(1)叶片结构随树高的变化：研究的25种树种表现为越往树顶处：1角质层越厚；2栅栏组织越发达，全栅特征越明显；3叶组织细胞排列越紧密；4叶肉细胞越小；5表皮层越厚，气孔越小而密、单叶的气孔总面积越小；6叶片越小而厚，LMA越大。

Methods The shapes,border,adjacencies and distributions of the vessels and ducts of the caudate lobe were investigated on liver specimens of24corpses with different approaches of caudate loboc-tomy.

通过24具尸体的肝尾状叶标本的解剖观察，揭示尾状叶的形状、边界、毗邻和血管、胆管分布规律。

New foliage shoots arising from uppermost buds, and from axils of leaves; leaves evergreen.

新的叶枝生于最上部的芽，和从叶的腋；叶常绿。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。