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These indicated that the RAPD analysis method used was adapted to analying the phylogenetic relationship of Alternaria species.

这表明RAPD分析方法适合于链格孢种间亲缘关系的研究。

Because implying several benefits corpuses in the supply chain organization, the value of the chaperonage logistics flows to assign between each benefits corpus by all means.

由于供应链组织中含有多个利益主体,伴随物流的价值流必然在各利益主体间分配。

The study has shown:(1) With increasing sediment depth and the woody giblets, the total organic carbon, the extraction of benzene , the total humic acids and the unhydrolyte are enhanced, while the hydrolyte is decreasing.(2) According to the GC-MS analysis, n-alkane,n-alkan-2-ones and n-alkanones are composed mainly of long-chains,such a result is thought to be characteristic of a herbaceous input from 2300a.B.P. n-alkanones exist in the samples may be considered as the evidence of microorganisms activity.(3) It is showed that the lipids is more sensitive to the climate change than the floristic. The proxy of the pollen spore of the peat stratum is different from the normal environment proxy. It is one of the main reasons that the sensitivity difference of the bog vegetation reacting to the climate isn't accordant with the log of the fat molecule fossil and biology fossil.(4) The transformation of the peat organic carbon is under the influence of temperature,acidity,organic material constituting, etc, and it showed the up-trend with the depth. In the short-term scale, the conversion of the peat organic carbon is effected by seasonal water,regional climate and vegetations; while in the long-term scale, it is controlled mainly by the climate.(5) According to the comparing the orderliness of organic compound,vegetation giblets with the depth to the characteristics of the peat molecule fossil with the section, in the development of this peatmire, 1500a B.P(210cm)is regard as the borderline of the late Holocene, the keynote of the front period is warm with several cold fluctuations, and the trend of the back period is dry and cold although there were several fluctuations.

研究表明:(1)随深度的增高及植物残体中木本残体的增多,总有机碳、苯萃取物、总腐植酸、不被水解物含量逐渐增高,而易水解物含量减少;(2)GC- MS分析显示,正构烷烃,直链烷基2-酮和正烷醇均以长链组分为主,揭示了该泥炭柱剖面2347a.B.P的母源输入以草本植物为主;甲基酮类和短链正烷醇的存在是微生物活性很大的生物证据;(3)通过有机分子标志物与孢粉、植物残体等指标的对比研究表明:脂类化合物对气候变化的反映要比植物种灵敏得多,不同沼泽植物对气候变化的敏感性的差异是脂类分子化石记录与生物大化石结果很难一致的主要原因之一;(4)泥炭有机碳的转化受到温度、酸度、有机物质组成等很多因素的影响,短时间尺度,泥炭有机碳的转化受季节性降水、地方气候和植被等因素的影响;长时间尺度,泥炭地有机碳的转化,受气候条件控制;(5)总结泥炭分子化石特征、泥炭有机质各组分含量及植物残体组成随深度的变异规律,分析结果显示该泥炭地层形成过程中,1500a B.P(210cm)可作为划分前后晚全新世的界线,前期的基调是气候偏暖,但又有几次偏干冷气候的反复,后期气候以干冷为主,其间虽有几次上升波动,但整体趋势不变。

Methods -3489C/T and 478C/T polymorphism were screened in 196 type 2 diabetic patients and 119 normal controls by polymerase chain reaction restriction fragment lenth polymorphism method.

运用聚合酶链反应-限制性片段长度多态性技术对196例T2DM患者和120例正常对照者的-3489C/T与478C/T多态性进行检测,并比较各组间基因型频率和等位基因频率以及相关临床资料。

Correlations of the chains and the phenyl rings were discussed at different conditions using order parameters .

以次序参数为依据,对不同条件下的链及苯环间相关性进行了探讨。

APUHD was prepared with PEPUD acted as emulsor and reactive seeded emulsion in polymerization of acrylate monomer.

利用可聚合自乳化聚氨酯水分散体作为乳化剂和反应性的种子乳液与丙烯酸酯等单体共聚,其优点在于能调节聚氨酯水分散体侧链上参与共聚的双键数目,使聚氨酯和丙烯酸酯两相聚合物体系间直接化学键合增强,相容性提高,增加体系内部交联密度,合成得到具有核壳间互穿网络结构的丙烯酸聚氨酯杂合水分散体。

DSC and WAXD studies showed that the block copolymers were meltable, and due mainly to the flexible nylon6 segments.

采用DSC热分析的方法,结合WAXD,研究发现,所合成的嵌段共聚物具有可熔融的性质,主要的转变来自柔性的尼龙链段;通过对聚合物空间立体结构的改造,分子链中间位结构的引入以及两嵌段组分分子间和分子内的相互作用强烈影响嵌段共聚物的结晶行为,使结晶更不完善,晶体结构更为疏松,自聚集倾向在很大程度上得到抑制。

The binding interaction of DNA with the di-iron complex 〓, designed as a model for the di-iron active site in mammalian purple acid phosphatase , are examined firstly and spectroscopically.

对所有研究的含有双核铁、双核锌及双核铜的配合物促进DNA双链水解断裂的反应性进行比较,我们发现要有效地水解断裂DNA双链,对DNA骨架的磷酸基氧原子有一定配位作用的双核金属离子是必要的,因为两个金属离子间存在协同作用,这与有关的天然酶类似。

Methods Marrow-derived mesenchymal stem cells were isolated and purified from mouse femoral bone and shinbones using differential adherent methods. Cells at the third passage were induced by 20% FBS in conditioned medium, conditioned medium alone, 20% FBS or 10% FBS alone respectively. Mouse aortic smooth muscle cells were cultured as the positive control. Levels of mRNA and protein expression of myoeardin and several smooth muscle cells marker genes were determined by immumofluorescenee, RT-PCR and Western blot before and 3, 7, 10, 14d after the induction. The presence of smooth muscle myofilaments was detected by using transmission electron microscope.

采用伞骨髓贴壁法分离骨髓问充质干细胞,CM联合20%FBS诱导骨髓间充质干细胞,同时设立持续10%FBS、单20%FBS及单CM诱导下的骨髓间充质十细胞对照组和SMC阳性对照组,分别于诱导前及诱导3、7、10和14 d时观察细胞形态的变化,并在相应的时间点用免疫荧光法、逆转录聚合酶链反应法、Western blot半定量分析法榆测myocardin以及SMC表面各种标志基因的表达变化,用透射电镜检测诱导后细胞内肌丝存在以此来证实诱导分化成功。

Following is a list of original points proposed in this paper: 1、Karl Poppers theory of evolution of knowledge is applied to build aproblem-oriented, knowledge creation-centered and I-P-O link mechanism-basedbi-cycle inter-organizational learning model, which integrates inner-organizationallearning and inter-organizational learning of innovation network in a positive way.

本论文在以下几个方面做了一些创新性工作: 1、运用卡尔·波普尔的知识进化论,构建了一个以问题为导向、以知识创造为核心、基于I-P-O链接机制的双循环组织间学习模型,并将创新网络的组织内学习和组织间学习有机地整合在一起。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力