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Exogenic geologic process and human action promote thegeological hazard and accelerate occurrence of hazard.

从根本上看,地应力作用即内动力作用是形成地质灾害的基础,外动力和人为活动加剧了地质灾害的发生,起促进和激化作用。

The results of the present research are as follows, The correlation between physico-chemical properties of organic compounds and their competitive power was studied, and it was indicated that organic compounds preferable to form H-bonding with organic matter of sorbents have stronger competitive power; Sorption behaviors of ionizable organic compounds in different species and their competitive power were examined, and the results showed that phenols and carbonxylic acids with benzyl circle have much stronger competitive power in molecular species than in ionized species, because negative charges of anionic forms can depressed their adsorption on the surface of the sediment; in contrast, organic bases such as aniline and p-chloroaniline show weaker competitive power in molecular species than in ionized species, and this is because both species of the organic bases could adsorb strongly onto the sediment; there is a correlation between competitive power of organic pollutants in multi-solute systems and their sorption isotherm nonlinearity in single-solute systems, and organic compounds whose sorption isotherms is linear in single-solute systems hardly have competitive power in multi-solute systems; Competitive sorption effects in more than two-solutes systems was studied, and it was exhibited that mixture of two cosolutes each of which could suppress sorption of nominal solute onto the sediment had synergistically competitive sorption effect on the nominal solute; A method about incorporating sorption/desorption of organic pollutants into river water quality model was developed, and discussion about degree of sorption/desorption effect on model prediction for different organic compounds was made, which will provide theoretical basis and practical processes for setting up more accurate water quality model.

论文主要取得了以下研究成果。(1)有机化合物的吸附竞争能力与其物化性质具有相关性,易与沉积物有机质形成氢键的化合物其竞争能力也比较强;(2)可离子化有机化合物的吸附竞争能力与其存在形态有关。酚类、含苯环的羧酸类化合物,其离子态的吸附竞争能力远小于分子态,其机理为有机酸阴离子所带的负电荷抑制了表面吸附能力,主要发生分配作用;而苯胺类化合物,其离子态和分子态都表现出显著的竞争能力,而且离子态的竞争能力略强于分子态,原因在于有机碱阳离子所带的正电荷促进了其表面吸附能力;有机化合物竞争能力的强弱与其单组分吸附等温线的非线性程度具有一定的相关性,吸附等温线近似为线性的化合物没有或只具有微弱的竞争能力;(3)对目标有机化合物的吸附具有竞争效应的有机化合物混合后,将对目标有机化合物的吸附产生协同竞争效应;(4)以京杭运河为例,率先提出了将有机污染物的吸附/脱附作用及水文水力参数耦合到水质模型中的方法,并讨论了吸附/脱附作用对不同有机污染物预测模型的影响,为建立更准确的水质模型及进行更客观的风险和生态评估提供了参考依据。

The results showed that during 96 hours culturing, Paenibacillus polymyxa and its metabolites can promote dissolving microperthite both by direct and indirect mechanisms. The direct mechanism can promote releasing Al, but has little effect on K and Si, which are considered to be mainly released by indirect mechanism.

结果表明,在细菌生长的0~96h内,细菌及代谢产物能通过直接和间接作用共同促进微纹长石的溶解,但微纹长石中各元素的溶出在方式上有一定的差别,K和Si的溶出主要受间接作用的影响,而Al的溶出主要受直接作用的影响。

The results showed that during 96 hours' culturing, Paenibacillus polymyxa and its metabolites can promote dissolving microperthite both by direct and indirect mechanisms.

结果表明,在细菌生长的0~96h内,细菌及代谢产物能通过直接和间接作用共同促进微纹长石的溶解,但微纹长石中各元素的溶出在方式上有一定的差别,K和Si的溶出主要受间接作用的影响,而Al的溶出主要受直接作用的影响。

The proliferation effects of standard materials were investigated by MTT method and flow cytometry. Cholesterol myristate and palmitic acid methyl ester showed proliferation bioactivity while stearic acid showed inhibition effect.

对标准品也采用了MTT法和流式细胞仪研究了它们对rMSCs的增殖作用,结果表明十四酸甾醇酯和十六酸甲酯具有促进rMSCs增殖的作用,而十八酸具有抑制作用。

Dissimilatory Fe oxide reduction under anaerobic condition is a process which is an anaerobic respiration with Fe as the terminal electron acceptor. This anaerobic respiration showed important environmental significances. Dissimilatory Fe reducers can use diverse electron acceptors including many toxic heavy metals and metalloids such as Mn、Cr、Co insides Fe. So these toxic metals were detoxified or were immobilized reductively.

这种厌氧呼吸作用具有重要的环境学和地学意义,Fe还原微生物可利用除Fe以外的许多其它电子受体包括许多有毒重金属和类金属,如Mn、Cr、Co等,从而对这些有毒重金属起到还原解毒或还原固定的作用;还原过程还可促进一些有机污染物的降解; Fe氧化物的还原偶联着Si、P等元素的变化,对提高这些营养元素的有效性发挥着重要作用。

The expression of p-p38 and Rho GDIαwas upregulated in LCA by either low shear stress or hypertension. However, the highest expression of p-p38 and Rho GDIαwas observed in LCA of low shear stress accompanied by hypertension.(4) Effect of low shear stress on both decreasing apoptosis and increasing proliferation of VSMCs in LCA was reversed by tributyrin, a HDAC inhibitor.

当高血压伴有低切应力时,两者的协同作用诱导p-Akt的表达水平进一步增加;(3)高血压和低切应力都可以诱导颈总动脉p38和Rho GDIα表达增加;当高血压伴有低切应力时,两者的协同作用诱导颈总动脉p38和Rho GDIα表达进一步增加;(4)HDAC抑制剂Tributyrin可以通过抑制VSMCs增殖,促进VSMCs凋亡,在干预低切应力诱导的血管重建中发挥作用。

Other than the general functions of regulation and restriction, adjustment and harmonization, guidance and inspiration etc., the official morals has such specific functions of its own as improving administrative activity and thereofelevating the efficiency of administration, promoting the moral makings of officials and thereof reinforcing the construction of uncorrupt administration, and meliorating the social ethos and thereof accelerating the construction of spiritual civilization.

公务员道德除了具有一般道德所具有的规范制约、调节整合和引导激励等功能外,还有其特殊的作用。其作用主要体现为:对于完善行政管理和提高行政效率,提高公务员道德素质和加强廉政建设,改善社会风气和促进精神文明建设等有重要作用。

The Food and Drug Administration of USA hasapproved the use of this topical medicine for treatment of different malignant andpremalignant tumors such as actinic keratoses and basal cell carcinoma. Althoughimiquimods exact mechanisms of action in neoplastic diseases has not yet been fullyelucidated, animal and human studies have shown its ability to enhance the productionof cytokines such as interferon-, interleukin-12, and tumor necrosis factor- though conjugations with Toll like receptors on the surface of dendriticcells of the monocyte-macrophage lineage.

有关咪喹莫特抗癌作用的具体机制仍不十分明了,一般认为,咪喹莫特主要是通过与免疫相关细胞表面的Toll样受体结合、促进IFN-α、TNF-α、IL-12等多种前炎症细胞因子的分泌,进而激活天然与获得性免疫反应的方式发挥抗癌作用;进一步的研究发现,咪喹莫特尚能选择性的抑制某些皮肤肿瘤细胞的增殖并诱导其凋亡,提示增殖抑制和诱导凋亡可能是评价咪喹莫特抗肿瘤作用的重要指标和机制。

Fourthly, functions of the census register system: it is the foundation for lulling class to master population, it is the foundation for government to confer land, it is the

第四、谈户籍制度的作用:户籍制度是统治阶级掌握人口具体数字的依据;户籍制度是政府进行授田的依据;户籍制度国家征收赋税的依据,能够起到巩固政权、稳定统治的作用;户籍制度的建立,有利于征调军士以服务于战争的需要;户籍制度的确立,能够促进人口的流动和家族的进一步解体;户籍制度还具有对基层社会的治安作用。

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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