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According to the life form of species and their roles in communities, 6 species groups are used to do ordination analysis and environmental interpretation. The result suggests that:①Despite the strong man-made disturbance at lower altitude sites, the number and character of evergreen species show an change along the altitude gradient.②The rare and endangered species concentrated at two sectors along altitude gradient, corresponding to the upper and lower borders of the mountain mixed forest belt of evergreen and deciduous broad-leaved species.③The pioneer tree species concentrated on the middle and upper positions at lower elevation.④The deciduous accompany tree species show a great diversity on middle and lower position at middle and higher elevation.⑤Coniferous species differentiate along elevation and local topographical gradient.⑥Deciduous species in Quercus, Castanea, Fagus, Carpinus genus as well as coniferous species play primary community-constructing roles at different topographical position at Dalaoling region.

根据物种生活型及其在植物群落中的地位,分6个种组进行排序和环境解释,表明:①尽管低海拔地段受到强烈人为干扰,常绿种类仍显示了数量和性质沿海拔梯度的变化;②珍稀物种在海拔梯度上形成两个相对集中的区段,大致对应于山地常绿落叶阔叶混交林带的上下边缘;③先锋树种在中低海拔的中上坡位富集;④在中、高海拔的中低坡位,落叶的乔木伴生种显示了极大的多样性;⑤为数不多的针叶树种在海拔和局部地形梯度上也有明确分异;⑥它们和落叶的栎、栗、水青冈、鹅耳枥属物种在大老岭地区不同地形部位的植被中起着主要的建群作用。

In this model, the NAC dimmer localized at the center; The first part (1-62aa) and the third part (114-162aa) surrounded this center and formed heterogenetic association; The UBA domain distributed at two ends.

这个模型的中心为NAC二聚体结构,第一部分(1-62位氨基酸)和第三部分(113-163位氨基酸)围绕这个中心异源聚合在一起,UBA结构域分布在两端。5、PeaT1结构与功能的关系。

Therefore heteronuclear Cu-Ln compounds have commonly been synthesized with hetero-donor ligands comprising two types of ligating atoms coordinated each to Cu and Ln atoms, respectively.

因此通常用含有能分别和铜,稀土配位的两种配位原子的配体来合成异核Cu-Ln配合物。

The results show high selectivity when the temperature is controlled at 50 CC , and the nitrated reaction time is 90 mm, toluene is nitrated by using 95% nitric acid as nitrating reagent at the presence of acetic anhydride, 1.0g silicotungstic acid catalyst is calcinated at 300℃ for 1.5h. The o/p (ratio of ortho to paro isomer of toluene nitration) ratio is 0.89 in product distribution of toluene nitration, lower than 1.67 using sulfonitric acid as catalyst. The yield of products is 91.6%.

结果表明,在醋酐存在条件下,以CCl4为溶剂,以质量分数为95%的硝酸为硝化剂,反应温度控制在50℃,反应60 min, 1.0g经300℃焙烧1.5h后的硅钨酸催化剂,对甲苯表现出强的区城选择性,甲苯硝化产物o/p值(甲苯硝化产物邻位和对位异构体的质量比)达0.89,较硝硫混酸的1.67显著降低,产物收率达到91.6%。

The behavior of o-isometer is special and complicated compared to the other two isometers due to its steric effect.

邻位取代的异构体行为比较特殊,变化规律比较复杂,这主要归因于邻位的空间立体效应。

Ethoxyberberine and 9-isopropanoxyberberine bearing with different sterically hindered groups were synthesized from beberrubine material.

以小檗碱为原料,合成了小檗碱C-9位不同空间位阻取代的9-乙氧基小檗碱、9-异丙氧基小檗碱,通过MS、1H NMR确认其结构。

Several novel structures have been determined: Unique ninenuclear complexesincorporating 3d, 4f metals with a sodium ion center, the sodium ion may be serve as atemplate in the formation of these novel complexes; Novel tetranuclear 〓complexes with channels formed by intermolecular weak interactions; First 〓type tetranuclear complex; Peculiar "dimer of dimers" complexes derived frombinuclear complex; Unusual one-dimensional wave chain formed by weakcoordination bonds and hydrogen bonds and two dimensional coordination polymerconstructed through coordination bonds and hydrogen bonds.

1获得了多个文献首报和罕见的特殊结构的配合物:两个同时含有碱金属-过渡-稀土金属的独特的九核配合物;两个具有孔道的稀土-过渡金属异四核配合物;草酰胺类〓四核配合物;两个由双核配合物通过叠氮和单个氯原子连成的四核配合物,尤其是以单个氯桥相连的化合物非常少见;一个由弱配键和氢键连成的具有一维波浪形结构的配合物;一个通过配位键和氢键连成的二维配位聚合物。

Then I heard a holy one speaking; and another holy one said to the particular one who was speaking, How long will the vision concerning the daily sacrifice and the transgression that desolates apply, so that the sanctuary and the host are trampled down?

8:13 我听见有一位圣者说话,又有一位圣者问那说话的圣者,说,这除掉日常祭祀,和造成荒凉的过犯,以致圣所与军兵遭践踏的异象,要持续多久呢?

Studies show that the formation of the Yinshan deposit is closely related to subvolcanic rock emplaced at the second stage of Yanshanian period in time, space and material components.

研究表明,银山矿床的形成与燕山期第二阶段侵位的次火山岩具有密切的时空和物质组分的联系,然而,矿床与次火山岩都是深部隐伏岩体之岩浆分异的流体和熔体的产物,二者是同源但侵位有早晚的亲缘关系。

Degree of aggregation of soil increases and constitutive property gradually enhances from upper slope to lower slope; of various types of utilizing on the same slope, the distribution of soil nutrients appears different variance characters, and the content of organic matter, total nitrogen, and alkali-hydrolysable nitrogen of reforested land is highest, which distinguishing from other types; the content of total phosphorus, total potassium, rapidly available phosphorus and rapidly available potassium of farm land is highest, which is not distinguished from two other types of utilizing.

从上坡位至下坡位土壤团聚度随之增大,结构性逐渐增强;同一坡面不同的利用方式,土壤养分分布呈现出不同的分异特征。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

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