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The particle size and distribution were determined by transmission electron microscopy and laser particle size distribution analyzer, ultraviolet-visible absorption curve was also characterized.

通过透射电镜、激光粒度分布仪等测定了纳米颗粒的粒径和分布情况,并对纳米金溶胶的紫外可见吸收曲线进行了研究。

It is found that the pressure wave generated by thermal expansion can affect the temperature field. It is suggested that this effect is caused by the adiabatic compression and expansion when pressure waves traverse the media.

通过分子动力学模拟考察了气态,液态和固态的氩在脉冲加热情况下的快速瞬态导热,观察了温度,压力,动量,密度等物理量的分布,以及动能在三个平动自由度上的分布。

Finally ,by multidisciplinary analysis of the form of microfacies type ,the thickness distribution of sandbody ,the shape of sandbody and permeability variation, the 4th surface corresponds theⅡ、Ⅲinterbed which control the aeolotropy of the reservoir,the remaining oil distribute along the abandoned channel or under the 4th surface ,and the barrier bed which is separated by abandoned channel is favor place to look for remaining oil .

最后,通过对沉积微相类型、砂体厚度分布、砂体形态展布、渗透率变化等综合分析,认为4级界面对应于Ⅱ、Ⅲ类夹层,其对储层非均质性的控制作用明显,剩余油沿废弃河道或4级界面以下分布,被废弃水道所分隔的隔层下覆的单体是寻找剩余油的有利部位。

For Southwestern Margin of Aqikekule Lake ophiolite, their field geological, petrological, minerological, petrochemical and geochemical characteristics show that:① it outcropped as tectonic slices along the near west-to-east strike Kunzhong fault and is composed of metamorphic perodotties, cumulates and volcanic rocks, in which, chromites are distributed in the upper part of metamorphic peridotites as pods, or in the lower part of cumulates as near-strata;② metamorphic peridotites include serpentinites, chromite-bearing serpentinites, chlorite-epidote schists and chromitites, of which, chromitites have nodular and orbicular structure, and cumulates include pyroxenits, serpentinites, chromite-bearing serpentinites, chromites and metamorphically mafic rocks and only basalts are seen in volcanic rocks;③ Cr# of chromites suggest that they formed in the SSZ and Al〓O〓 and TiO〓 of metamorphic peridotites also suggest SSZ environment;④ metamorphic peridotites have V type and enriched LREE patterns, cumulates have from strongly depleted LREE, flat REE to enriched LREE patterns with universally striking positive Eu anomalies and basalts show flat REE or slight enriched LREE patterns with no Eu anomalies;⑤ trace element and Sm-Nd isotope characteristics of metamorphic peridotites imply their strikingly heterogeneous mantle character ε〓(t+4.39~+26.20 and later Nb, Ta fertilization;⑥ trace element characteristics of basalts and their tectonic diagrams show they probably formed in the rifted island arc or back-arc basin environment.

对阿其克库勒湖西南缘蛇绿岩,野外地质、岩石学、矿物学、岩石化学以及地球化学等特征表明:①该蛇绿岩以近东西向、沿昆中断裂呈构造岩片出露,由变质橄榄岩、堆晶岩和火山岩三个单元组成,其中见铬铁岩呈豆荚状产于变质橄榄岩的上部,或呈似层状产于堆晶岩的下部;②变质橄榄岩包括蛇纹岩、含铬铁矿蛇纹岩、绿帘绿泥片岩和铬铁岩等类型,其中,豆荚状铬铁矿具有结核状构造和球状构造,堆晶岩包括辉石岩、蛇纹岩、含铬铁矿蛇纹岩、铬铁岩和变质基性岩等类型,火山岩仅见玄武岩;③铬铁矿的Cr#表明其形成在俯冲带,变质橄榄岩的Al〓O〓和TiO〓成分也指示了SSZ环境;④变质橄榄岩的稀土配分型式见V型和LREE富集型两种型式,堆晶岩表现出从LREE强烈亏损、REE平坦分布到LREE富集的配分特征,并且普遍具有醒目的正Eu异常,玄武岩的稀土配分型式表现为平坦型或LREE略富集,无Eu异常;⑤变质橄榄岩的微量元素及Sm-Nd同位素特征指示了其地幔的显著不均一性ε〓(t为+4.39~+26.20以及Nb、Ta在后期的富集;⑥玄武岩的微量元素特征及构造图解表明其可能形成在裂谷岛弧或不成熟的弧后盆地环境。

From the the law-and-regulation system, the legal position and function of the tendering agency, the market admittance condition, the agent business status, the team scale and distribution, systematically and objectively dissertated the basic development situation of tendering agency for construction projects in our country. Cleared up the main problem existed in this industry by analyzing and neatening. The three outside organization problems is that, the industry management system does not obey, the law and regulations is not enough to perfect and the tenderee has wrong understanding and behavior. The five inside organization problems is that, the agency is short of independence, employee quality is uneven, the quality of agent job is dissatisfied and the internal construction of enterprise lags.

从法规体系、代理机构的法律地位及作用、市场准入条件、代理业务开展情况、从业队伍发展规模及分布状况等方面,比较系统、客观地论述了我国建设工程招标代理行业发展基本情况;通过分析和梳理,基本理清了该行业当前存在的主要问题,即:行业管理体制不顺、法规不够健全、招标人存在认识误区和不规范行为等三类机构外部环境问题,和代理机构缺乏独立性、从业人员素质参差不齐、代理工作质量差强人意、市场行为不规范、内部建设滞后等五类机构自身问题,同时还结合具体招标案例对其中部分问题进行了重点剖析。

The coesite-diamond-bearing eclogite distributed in the northern part of the UHPM belt suffered three stages of metamorphism. The first stage is the Ep amphibolite facies metamorphism, which is represented by the paragenesis of phe+Qtz+Cro/Bar Bar+Ep+Ab occurred as inclusions in Grt and Omp; The second stage is the peak metamorphism of eclogite facies with mineral assembledge of Grt+Omp+Coe±Dia±Ky±Zo±Phe+Rt. The P -T condition is 800±50℃,≥28Kb; The third stage is the amphibolite facies retrograded metamorphism from the peak one, which can be divided intothe early amphibolite facies stage with the mineral assembledge of Amp+ Pl+Di+Qtz±Ep+Ilm/Ttn and the late greenschist facies one with the mineral assembledge of Ep+Chl+Bi+Tr+Ab.

分布于超高压变质带北侧的柯石英榴辉岩经历了3个阶段的变质作用:(1)早期绿帘—角闪岩相阶段,以出现在石榴石和绿辉石中的包体矿物多硅白云母、石英、冰蓝闪石或青铝闪石、钠长石等为代表;(2)峰期柯石英榴辉岩相阶段,其矿物组合为Grt+Omp+Ky+Phe±Zo+Coe±Dia+Rt,其变质温度压力为800±50℃,≥28Kb;(3)退化变质作用阶段,早期为角闪岩相,以Amp+Pl+Di±Ep+Qtz+Tit等退变矿物组合为代表;晚期为绿片岩相,以绿帘石、绿泥石、黑云母、透闪石及钠长石等矿物为代表。

Temperature, doping and electric field dependent parameters including energy band, impurity and carrier distribution, mobility and PN junction, etc are established The models which is demanded in unification and accordance in accurance, simulation speed, effective range and application efficiency are also obtained 3、Some unique or key low temperature physic effects, such as carrier freeze-out or trapping effect, mobility enhancement effect, steepened subthreshold effect, small dimension effect and heavy injection effect, as well as their influence to the device cryogenic performance are discussed and analyzed Based on the completely understanding of the physic nature and characteristics in low temperatures operation, the technique methods to overcome or to utilize the effects are also presented 4、By systematic analysis of carrier transportation, the device physic analytical model for advanced polysilicon emitter transistor with better cryogenic performance that can be used to simulate the quantity relations between device terminal characteristics and internal structure, doping distribution as well as operation conditions is presented.

建立了依赖于温度、掺杂和电场因子,并且包括材料和结构的各参量数学物理模型,主要包括能带、掺杂及载流子分布、迁移率和PN结等模型,在计算精度、速度、应用范围和使用效率等方面达到和谐统一。 3、深入研究了低温条件下一些特有的或起关键作用的低温物理效应,主要包括载流子冻析或陷阱效应、迁移率增强效应、亚阈性能改善效应、小尺寸效应和大注入效应等,并分析其对器件低温性能的影响,在对低温器件工作的物理本质和特点有深入认识和了解的基础上,找出利用或克服低温物理效应的技术措施。

Using maximum flooding surface and local explosure erosion surface as the correlation framework surface in the 4-th hierarchical base-level cycles, sand-body in the 3-th hierarchical base-level cycles formed in the 4-th hierarchical base-level cycles may be correlated layer by layer. The law of the sand-body and the characters of reservoir heterogeneity formed in the 4-th hierarchical base-level cycles are discussed. The study shows:①During early period of the 4-th hierarchical base-level cycle rising, subaqueous distributary channel formed, continuously stacked vertically, and migrated in limit range laterally, and channel sand-body stretches farther longitudinally, and lacks interbeds of mud rock and siltsand in sand rock, reservoir heterogeneity is relatively weak.②During mid-period of the 4-th hierarchical base-level cycle rising, subsaqueous distributary channel migrated actively, channel divided and converged strongly to form netted sand-body and sand sheet mainly, but interbeds of mud rock and siltsand increases gradually in sand-body, reservoir heterogeneity increased.③During later period of the 4-th hierarchical base-level rising and early period of the 4-th hierarchical base-level falling, reservoir sand-body was poor, and only form thin sand-body of subsaqueous distributary channel, subsaqeuous creveas and distal mouth bar, sand-bodys are surrounded by mud and silt rock.

进一步采用以第4层次基准面旋回中相当最大湖泛面的相转换面和具有区域性暴露侵蚀作用的层序边界面为等时地层对比框架的边界,对发育于MSC2—MSC4三个第4层次基准面旋回的第3层次基准面旋回内砂体进行了逐层等时对比,探讨第4层次等时地层对比格架内储集砂体发育分布规律,及储集砂体的非均质性特点,研究发现:①第4层次基准面上升初期发育的水下分流河道,砂体呈连续叠置、侧向迁移受限,纵向上呈长距离延伸的带状产出,砂体间泥、粉砂岩夹层少,储层非均质性相对较弱;②在第4层次基准面上升中期发育的水下分流河道侧向迁移活跃,纵向延伸过程中分流汇合作用强烈,以形成网状或席状连片砂体为主,但砂体间泥、粉砂岩夹层逐渐增多,储层非均质性增强;③第4层次基准面上升晚期和下降早期,不利于储集砂体发育,仅出现少量薄的水下分流河道、水下决口扇、远—河口砂坝砂体。

Based specialized, generalized and visualized basic geographical information, it collects many information, such as detected video, traffic control signal, traffic peccancy, policemen distributing, traffic target, stopping position and capacity, to general manage and analyze. The primary visualized decision information including traffic flux, bus speed, traffic density, accident of real-time cities main road, are provided to traffic manager so that they respond rapidly, and some of them could be transformed to traffic inducing screen through network.

系统设计目的:建成一个基于网络环境的实时的、可视化的交通管理地理信息系统服务平台,它以专业化的、综合性的、可视化的基础地理信息为基础,综合集成现有系统,将监控视频,交通控制信号、交通违章监控等实时动态信息以及警力分布、交通标志、停车场位置及容量等各种数据采集起来,进行集中管理和分析,为交通管理者提供实时的城市各主要道路的交通流量、车速、交通密度、事故发生情况等可视化初级辅助决策信息,以便交通管理人员做出快速响应,也可将部分信息通过网络主动发布到交通诱导屏。

It is concluded in Chapter Eight that: 1 linguistic proficiencies in three languages play a considerable part in code-switching of EFL teachers in trilingual context; the inter-sentential switching outweighs the intra-sentential switching both in frequencies and percentage; discourse-related switching also outweighs participant-related switching in frequencies and percentage; the EFL is maintained longest in EFL classroom and the language maintained second longest depends upon learners" higher proficiency in Chinese or Tibetan. 2 Ethnic identity and educational background is the major causal factor of EFL teachers" Chinese-English switching in trilingual classroom; duration of language contact and relative trilingual proficiencies are the two principal contributors to the English-Tibetan switching; while Tibetan-English switching is mainly driven by EFL teachers" ethnic identity and education background, as well as the duration of language contact; English-Chinese switching is also largely motivated by the duration of trilingual contact; and Chinese-Tibetan switching is determined by trilingual proficiency to a considerable extent. Meanwhile, psychologically, the switching is mainly motivated by a procedure of psychological projection, trilingual system conceptualization and the mentality of trilingual selection. 3 The educational reflections upon this study indicate: firstly, in trilingual context, the teachers" classroom discourse is characterized by the multilingual involvement, flexibility in strategy option as well as the extension and strengthening of the domination of teachers" discourse. Secondly, the discourse movement and code-switching are largely affected by two cultural ecological mechanisms: enculturation and cultural manipulation. Thirdly, the status quo of EFL trilingual teachers are characterized by unbalanced trilingual proficiencies, poor cultural awareness, and little knowledge of trilingual education and trilingual code-switching, therefore, suggestions are advanced in the end to provide them further education. Fourthly, in trilingual context, the EFL curriculum for ethnic minorities is characterized by plurality of aims, complexity of organization and variety of resources. Meanwhile, it is of great necessity to understand the linguistic values of EFL education for ethnic minority learners. To be specific, firstly, we should not only have a deep understanding of the distribution, construction, function as well as communicative effects of the three languages, but also have a comparative study of the three languages and thus provide the standardization and guidance for the trilingual education. In the end, it is advanced that trilingual EFL provision for ethnic minority should pursue to develop learners" multicultural value system in which first language culture and mother language culture take the central position and EFL culture plays a vital role.

3在三语环境下,教师课堂话语具有话语形态多元化、话语选择策略具有灵活性和教师话语权得到延伸和拓展等特征;文化涵化和文化操控是影响三语教师课堂语码转换的两种文化生态机制;参差不齐的三语水平、淡薄的多元文化意识和对三语教学和语码转换缺乏科学认识是我国目前三语师资的主要特点,因此应对三语教师进行职后继续教育;在三语环境下,民族外语课程具有课程目标多元化、课程组织复杂化和课程资源多样化等特点;应对民族外语教育的语言价值进行审视和解读,对三种语言在课堂话语中的分布趋势、结构特征、功能作用和交际效果等问题进行深入研究,加强对三种语言间的对比分析研究,同时对民族外语教育中的三语教学进行规范和指导;在强调民族文化和二语文化在三语文化格局中心地位和外语文化的重要作用的同时,民族地区的外语教育应以构建多元文化价值观为其文化追求。

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推荐网络例句

And if officials on the take are not parroting the opinions of these companies, what can we suppose the money they receive is for?

如果受贿的官员不鹦鹉学舌般地复述这些公司的看法,那他们所接受的钱又能用于什么目的呢?

Love them, and love you too, Pitcher.

爱他们,也爱你,投手。

He was sent away to the island of Scyros,where he fell into sea from a cliff.

赶下了台。他被流放到塞库鲁斯岛。在那儿,他失足从悬崖上栽到了海里。