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The surface morphology of the nacreous layer on different parts of Pteria Penguin and blister pearl from Sanya, Hainan Province, are observed directly by using environmental scanning electron microscope.

研究结果表明,该地区海水成因的珍珠层中有机质薄膜对珍珠层的螺旋生长成核和结晶取向起到了严格的调控作用,它为文石或方解石晶体的生长提供一个有效的定位或成核中心;有机质与文石微晶在时间和空间上的螺旋交互生长具有周期性,从而产生珍珠层表面的这种结构形态。

These contradictions, which give definite expression to the financing behavior of the company, lead tocontradictions in the company 's financing behavior, which causes detriment to the interests of the owner circle. This parer, through an analysis of the statusquo of the abovec...

本文通过对我国股份公司理财行为矛盾现状和成因的分析,认为解决理财矛盾的基本方法应是制订一种能使两大利益集团的利益有机结合起来的、对经营者业绩实施科学考核的考核指标。

So making many eco-environ- ment disasters,and then restricting national economics development and people life level raising.In this paper,the author analyses the economic losses which are made by ecology disasters,searchies cause of formation and proposes revers...

作者紧密结合西北地区环境恶化的现状,如植被破坏,土地退化、水资源缺乏和环境污染,及其对区域经济发展带来的损失等问题,进行了全面系统的分析,在追寻生态环境恶化成因的基础上,提出了积极的改良对策。

Therefore, this thesis, with Verschueren's Adaptation Theory as its theoretical framework, does not confine itself to the cultural interpretation only when dealing with the cause of pragmatic failure. Instead, it points out that the root cause of pragmatic failure is that in the course of communication either the utterer or the interpreter fails to adapt language to the communicative context, which is composed of language users, physical world, social world and mental world.

因此,文中对语用失误成因的分析跳出了文化因素的局限,以Jef Verschueren的顺应论为理论框架,全面地诠释了语用失误的根本原因是在言语交际过程中,由于交际的任何一方忽视了语言与交际语境诸因素,即语言使用者,物理世界,社会世界和心理世界的动态顺应造成的。

Based on the above research, we analyzed regional metallogenic conditions from geology, geophysics and geochemistry. Considering regional strata, some source beds with ore-bearing strata controlled apparently metallogenesis. The strata contained hydrothermal siliceous rock or siliceous albitite ether formed some favorable source beds and established substantial foundation for later diplogenetic metallogenesis e.g.

从区域地层上来看,含特殊层位的矿源层对成矿有明显的控制作用,其中含热水沉积成因的硅质岩或硅质钠长质岩的地层或形成有利的矿源岩,为后期叠生成矿奠定物质基础,或直接形成工业矿床;另外,区内黑色页岩(包括碳质板岩、碳质泥岩、碳质页岩和含碳钙质板岩等)也是很好的矿源层。

The results demonstrate that the distributi on of Hg does not appear to be associated with any other elements, while S may b e capturer for Hg; As, Cr and Ni are elements controlled by pedogenesis; Cd and Pb are elements disturbed by anthropic contributions; Cu is mainly controlled by pedogensis and Zn is closely association with Mn oxides in soils.

元素的相关性分析和聚类分析结果表明 Hg相对于其他元素表现较独立, S对 Hg有一定的捕获能力;As、 Cr和 Ni是受控于成土母质的元素组合;Cd和 Pb是受人为污染影响较强的元素, Cu来源于地质成因的比例较大;Zn受控于土壤中锰氧化物粘粒。

We not only are affected by their charming ,but also appreciate that the nourishing of costume culture should be enrooted in a surrounding of union ,open ,improvement ,confidence .

通过对我国唐代独特的服饰文化风格的阐述及其成因的分析,不仅使我们感受到了大唐那浸润着时代特性、博大清新、华丽丰满的服饰艺术魅力,同时更让我们认识到服饰文化艺术的繁荣昌盛必须植根于统一、开放、上升、自信社会环境之中。

The design key point of large draining sand submersible pump for mine is discussed,and the method of increase efficiency is introduced.

如何解决低水头径流式电站的防沙问题,防止发电进水口淤积,减少泥沙过机一直是水工建筑物检修的技术难点,通过对葛洲坝大江电厂排沙底孔上游检修门槽底坎区域冲坑成因的分析及处理方法的研究,希望能够对同类型水工建筑物检修提供借鉴。

In the Eogene and Neogene, Qaidam Basin experienced the multiphase tectonic movement; the paleoclimate evolved from warm-humid to arid; the water in the basin was gradually salinized; the depocenter migrated from west to east. The master factors and developmental characters of lithologic hydrocarbon reservoirs have their own particularity. Taking the fine exploration zones of the southwest hydrocarbon-rich depression in Qaidam as the key point, with the analysis of source-rock distribution, sedimentary evolution and sedimentary system distribution, the author proposes that the density difference increases after the fluvial water enters, then clam and bar sand bodies are formed easily due to density flow. Highstand system tract and transgressive system tract below the maximum flooding surface are the main exploration areas of lithologic reservoir.

柴达木盆地古近纪-新近纪经历了多期构造运动,古气候由温湿向干旱演变、湖盆逐渐咸化、沉积中心由西向东迁移的演化过程,地层岩性油气藏的主控因素和发育特征有其特殊规律,以柴达木盆地柴西南富油气凹陷精细勘探区带为重点,通过分析烃源岩展布、沉积演化和主要沉积体系展布,提出咸化湖盆在河流入湖后因密度差较大,易形成密度流等成因的各类滩坝砂体,最大湖泛面之下的高位体系域、湖侵体系域是地层岩性油气藏的主要勘探领域。

Environmental Monitoring Station of Wuhu City, 241000, Wuhu, Anhui, China Abstract: Acidrain is one of the most serious environmental poll ution problems ,To resolve its chemicalcomposition and its rule of seasonal change will be hel pful in researching the cause ofacid rain and the method of acidification contr ol .

芜湖市降水化学成分特征及变化趋势的初步研究王小月张书贵摘要:酸雨是我国严重的环境题目之一,对其化学成份及其四季变化规律的分析、研究将有助于酸雨成因的探讨和酸化控制的研究。

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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.

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