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The latter has been called Gallican and attributed to the Province of Besan篮, but it is now held to be Irish in a much Romanized form, though of Continental provenance, being quite probably from the originally Irish monastery of Bobbio, where Mabillon found it.
后者被称为高卢圣和归因於省Besan篮,但现在被认为是爱尔兰的拼音形式很多,但大陆种源,很可能是从原来的爱尔兰修道院比奥,在那里Mabillon发现它。
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This indicates that the IE of these aza-aromatic bicyclic molecules increases with the number of the N atoms. This finding may be attributed to the nature and the N atoms in the five-membered ring.
表示因为氮原子具有较大拉电子的能力,因此五角环上具有较多的氮原子会使得分子具有较高的游离能。
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The structural and photocatalytic properties of TiO〓 as well as surface acidity were greatly improved by sulfation. SO〓〓/TiO〓 solid superacid with Hammett constant Ho less than -12.14 was prepared by treating the TiO〓 with 1.0mol. L〓 sulfuric acid solution and then calcining at 450℃ for 3h. When compared to unmodified TiO〓, the SO〓〓/TiO〓 superacid catalyst exhibited higher anatase content, smaller crystal size, higher specific surface area, centralized pore size distribution, and the blue-shifted band edge of uv-vis adsorption spectra. Furthermore, the SO〓〓/TiO〓 superacid also showed excellent reaction activity and stability for CH〓Br photocatalytic decomposition even under the moist reaction conditions. The apparent quantum efficiency of SO〓〓/TiO〓 was 10 times of that of TiO〓 catalyst for the photocatalytic degradation of bromomethane. Therefore, the SO〓〓/TiO〓 superacid catalyst is promising for practical application in environmental remediation.It was found that both L and B acid sites exist on SO〓〓/TiO〓 photocatalyst while only L acid sites on TiO〓 photocatalyst. On the basis of experimental results, the synergistic model of superacidic centers was proposed for SO〓〓/TiO〓 photocatalyst to explain the photocatalytic behavior and the mechanism of superacidifing effects, assuming that the adjacent L and B acid sites induced by SO〓〓 comprise cooperatively the superacidic center on superacid photocatalyst. The group cooperation of the superacidic center could strengthen the surface acidity, increase surface acid sites and the adsorbtion of O〓, promote separation of photogenerated electron-hole pair, enhance the interfacial transfer of charges and reversibility of water adsorption. Consequently the excellent photocatalytic activity, reaction stability and resistibility to humidity of SO〓〓/TiO〓 superacid photocatalyst may attributed to the group cooperated effect of the superacidic center on the photocatalyst.
研究结果表明:SO〓〓与TiO〓表面的结合为螯合式双配位结构;TiO〓光催化剂表面经H〓SO〓浸渍处理后,提高了表面酸性,改善了催化剂结构和光催化性能,当H〓SO〓浸渍浓度为1.0mol.L〓、烧结温度为450℃时,可制得SO〓〓/TiO〓超强酸催化剂(H〓<-12.14),其结构和光催化活性得到明显改善,与TiO〓相比,SO〓〓/TiO〓光催化剂的锐钛矿含量高、晶粒小、BET比表面积大、孔径分布集中、光谱吸收边蓝移,具有优异的光催化氧化活性、稳定性及抗湿性能,光催化降解溴代甲烷的表观量子效率比TiO〓催化剂提高了一个数量级,是一种有实际应用前景的高效光催化剂;由此提出了SO〓〓/TiO〓超强酸催化剂表面集团协同作用的超强酸中心模型,认为在SO〓〓/TiO〓超强酸催化剂表面,由SO〓〓诱导的相邻L酸中心和B酸中心组成了集团协同作用的超强酸中心,其集团协同作用显著地增强了催化剂表面酸性、增大了表面酸量及O〓吸附量、促进了光生电子和空穴的分离及界面电荷转移,具有可逆吸附水的性能,是SO〓〓/TiO〓超强酸催化剂具有优异的光催化氧化活性、很好的活性稳定性及抗湿性能的重要原因。
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The apparent quantum efficiency of SO〓〓/TiO〓 was 10 times of that of TiO〓 catalyst for the photocatalytic degradation of bromomethane. Therefore, the SO〓〓/TiO〓 superacid catalyst is promising for practical application in environmental remediation.It was found that both L and B acid sites exist on SO〓〓/TiO〓 photocatalyst while only L acid sites on TiO〓 photocatalyst. On the basis of experimental results, the synergistic model of superacidic centers was proposed for SO〓〓/TiO〓 photocatalyst to explain the photocatalytic behavior and the mechanism of superacidifing effects, assuming that the adjacent L and B acid sites induced by SO〓〓 comprise cooperatively the superacidic center on superacid photocatalyst. The group cooperation of the superacidic center could strengthen the surface acidity, increase surface acid sites and the adsorbtion of O〓, promote separation of photogenerated electron-hole pair, enhance the interfacial transfer of charges and reversibility of water adsorption. Consequently the excellent photocatalytic activity, reaction stability and resistibility to humidity of SO〓〓/TiO〓 superacid photocatalyst may attributed to the group cooperated effect of the superacidic center on the photocatalyst.
研究结果表明:SO〓〓与TiO〓表面的结合为螯合式双配位结构;TiO〓光催化剂表面经H〓SO〓浸渍处理后,提高了表面酸性,改善了催化剂结构和光催化性能,当H〓SO〓浸渍浓度为1.0mol.L〓、烧结温度为450℃时,可制得SO〓〓/TiO〓超强酸催化剂(H〓<-12.14),其结构和光催化活性得到明显改善,与TiO〓相比,SO〓〓/TiO〓光催化剂的锐钛矿含量高、晶粒小、BET比表面积大、孔径分布集中、光谱吸收边蓝移,具有优异的光催化氧化活性、稳定性及抗湿性能,光催化降解溴代甲烷的表观量子效率比TiO〓催化剂提高了一个数量级,是一种有实际应用前景的高效光催化剂;由此提出了SO〓〓/TiO〓超强酸催化剂表面集团协同作用的超强酸中心模型,认为在SO〓〓/TiO〓超强酸催化剂表面,由SO〓〓诱导的相邻L酸中心和B酸中心组成了集团协同作用的超强酸中心,其集团协同作用显著地增强了催化剂表面酸性、增大了表面酸量及O〓吸附量、促进了光生电子和空穴的分离及界面电荷转移,具有可逆吸附水的性能,是SO〓〓/TiO〓超强酸催化剂具有优异的光催化氧化活性、很好的活性稳定性及抗湿性能的重要原因。
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The negative relationship between soil moisture evaporation and calcic nodule content could be attributed to the decrease of soil water content resulting from the increase of calcic nodule content.
土壤水分蒸发与钙结石含量之间的负相关关系与钙结石含量增加所导致的土壤含水率降低有关。
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In Shi Nan familial in,"Heath " with " Heather " two names often are mixed with, chinese also calls Ou Shinan more, actually they are attributed to Erica to belong to respectively belong to with Calluna, even the appearance is not same also.
在石楠家族中,&Heath&与&Heather&两名称经常混用,中文也多并称为欧石楠,其实它们分别归于Erica属与Calluna属,甚至外形也不相同。
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It caused aggregation of purple membrane fragments at very low concentration. This effect might be attributed to its positive charges because cationic surfactant DTAB acted the same. On the other hand, melittin seemed to have behavior similar to CHAPS which has a rigid cholane ring,both had little effect on the conformation of retinal chromporphores.In consideration of the two-dimensional crystalline structure of purple membrane,melittin may form a rigid conformation such as α-helix on the surface of the membrane.
通过与三种在结构和电荷上不同的表面活性剂与紫膜的作用相比较,可以年出蜂毒作为带正电荷的分子与同样带正电的表面活性剂DTAB在引起紫膜凝聚方面表现相同;但在对紫膜可见光区的吸收光谱和圆二色谱的影响上却与具有刚性结构的CHAPS相似,表明蜂毒可在紫膜表面以一种刚性较大的构象存在,不能进入膜蛋白流水区的深层。
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It is concluded that the negative chronotropic effect and the decrease in APD induced by hypoxia may be attributed to the activation of K〓 channel and the release of endogenous ET.
上述结果表明,缺氧所致起搏细胞的负性频率作用和APD缩短,与〓通道的激活和内源性ET-1的释放有关。
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It is conclud ed that the negative chronotropic effect and the decrease in APD induced by hypoxia may be attributed to the activation of K_channel and the release of endogenous ET.
上述结果表明,缺氧所致起搏细胞的负性频率作用和APD缩短,与KATP通道的激活和内源性ET-1的释放有关。
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Ionomer membrane containing cobaltous ions, exhibiting CO2 facilitated transport and higher acoi/M value are not ample conditions, but are important factors. The key reasons for the occurring of reverse permeation behavior should be attributed to the polymeric chemical structure and the morphology structure of the membranes as well as other possible unknown factors.
离聚体膜含有钴离子、对CO_2具有促进输送作用以及具有较高的αCO_2/N_2是重要的因素,但还不是充分条件,还可能同时与高分子膜的化学结构、聚集态结构及未知因素有关。
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- 推荐网络例句
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For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.
为什么呢?因为我的班主任说我严重的违反了校规,于是让我停课三天。
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Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.
他们之中有许多人相信,在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。
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The popular Gawker network of news and gossip sites was shut down by a similar attack on Monday.
周一,深受欢迎的新闻与八卦网站Gawker也因为类似的攻击而瘫痪。