et al.
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以及其他人, 以及其他地方, ...等人
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Zheng et al., 1995 Crooijmans et al., 1997; Brunner et al., 1998; Wenburg et al., 1998; Chenuil et al., 1999, Wu et al., 1999; Estoup et al., 2000, this paper represents their first application to the conservation of an Iberian freshwater fish.
Zheng等, 1995 Crooijmans等, 1997; Brunner等, 1998; Wenburg等, 1998; Chenuil等, 1999, Wu等, 1999; Estoup等, 2000,本文则是首次报道该方法在伊比利亚淡水鱼保护中的应用。
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Based on the above experiments, the author studied the mixed metallic pillared and modified montmorillonites. The experimental result indicated that the microporous structure of Fe-Al-PLMs was affected by the changing of interlayer Fe-Al polymer with different Fe/Al ratio. But the presence of Al iron was helpful to incorporate Fe iron into interlayer of montmorillonites.. Introducing Zr helped Al-PLMs getting better larger spacing, thermal stability, surface area and pore volumes. Its successful to apply Zr-Al-PLMs to treat wastewater containing Cr iron. The experiment of modifying Al-PLMs by PVA showed that the order of adding starting materials (Al-pillaring solution, PVA, montmorillonite solution) was related to the property of Al-PLMs. The PVA as precursor was beneficial for Al to go into interlayer of the clay and to form larger basal spacing porous clay. The surface area and pore volumes of Al-PLMs increased mainly because of increasing the external surface area and mesoporous volumes after acid-activating. This conclusion confirmed that the microporous structure of pillaring clay depends upon the interlayer pillar.
实验结果表明:在Al-PLMs中引入Fe离子,不同Fe/Al比制得的Fe-Al-PLMs因层间的Fe-Al聚合离子结构不同而影响其微孔结构,但羟基Al离子的存在有利于Fe离子进入蒙脱石层间;在Al-PLMs中引入Zr离子,有助于其层间距、比表面积、孔体积增大,所得Zr-Al-PLMs应用于含Cr废水处理效果显著;PVA改性后的Al-PLMs其物化性质变化与铝柱化剂、PVA溶液、蒙脱石溶液三者不同添加顺序有关,说明PVA的前撑有利于Al进入蒙脱石层间得到较大层间距的Al-PLMs;经酸化处理得Al-acid-PLMs,其比表面积增大以外表面积为主,孔体积增大以中孔为主,这也证实了柱撑蒙脱石的微孔结构取决于其层间的柱化物。
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There are four kind of isoforms of endothelin in human and other mammals named ET-1, ET-2, ET-3 and ET-β, which are slightly different in construction and pharmacological effect. In human beings, ET-1 is the dominative subtypes. ET-1 remains in blood at a low level about 5ng per liter on physical state. It is synthesized, stored, released and metabolized locally. The half-life of ET-1 is about 1 hour. ET-1 is the most potent vasoconstrictive factor till now, and it is more functional in vein than in artery. In vascular bed, there are two kind of ET receptors. Type A mainly located in smooth muscle cells, whereas type B in endothelial cells. The latter can stimulate intimal hyperplasia via a parasecretion way and activate some oncogenes such as c-fos and c-myc and then enhance their expression. These alterations result in constriction of blood vessels, thus the SMC steps into proliferate state from silent state.
人及哺乳动物体内有四种结构及药理学性质略有差异的异物体,分别为ET-1、ET-2、ET-3、ET-β,而在人主要是ET-1,在生理条件下,ET-1在血浆中含量较低,约为5ng〓,故ET-1不是一个循环激素,而是局部合成释放,局部起作用的活性物质,半衰期约1小时,ET-1是目前已知的最强的血管收缩剂,对静脉的作用比动脉强,在血管床,ET受体有A、B两型,A型主要分布在平滑肌细胞,B型主要分布在内皮细胞,它可以通过旁分泌途径刺激内膜增生,具有有丝分裂原效应,可以激活某些癌基因如C-fos、C-myc使其表达增强引起血管收缩,使静止期SMC进入增殖期,还可以通过信号传导途径,与bFGF、GTF-β、PDGF等生长因子协同作用,起共有丝分裂原作用。
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Beck et al. Services:贝克特服务公司
Chevalier Pipe Technologies其士管道技术公司欧洲总部 | Beck et al. Services贝克特服务公司 | Product Visionaires Ltd.幻想产品有限公司
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ET,AL. ET ALII = AND OTHERS:及其他
ESQ;ESQRE ESQUIRE 先生阁下 | ET,AL. ET ALII = AND OTHERS 及其他 | E.T.A. ESTIMATED TIME OF ARRIVAL 估计到达的时间
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et al. et alibi = and elsewhere:等等
est. estate 财产,遗产 | et al. et alibi = and elsewhere 等等 | et seq. et sequentia = and other things 及以下所述的
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Brown, Gillian, et al. Language and Understanding:语言与理解
? 口语语法 Brazil,David A Grammar of Speech | ? 语言与理解 Brown, Gillian, et al. Language and Understanding | ? 话语与文学 Cook, Guy Discourse and Literature
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Brown G. et al.: Discourse Analysis:话语分析
(7)Discourse Analysis 话语分析 | Brown G. et al.: Discourse Analysis 话语分析 | Gee J.P.: An Introduction to Discourse Analysis : Theory &Method 话语分析入门:理论与方法
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