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Three protozoa (Bodo edax, Colpoda cucullus, Amoeba proteus) were isolated from soil. The porous simulation with glass bead, soil column and root box incubation experiments were made to study the association of protozoa movement with phosphorus translocation and its influencing factors. The effects of protozoa on corn growth and corn straw mineralization were also involved. The results showed that protozoa movement in glass bead column was greatly controlled by the pore sizes. Bodo edax, about 5-7 m, could pass through the pores of 28-20 11 m in diameters. Colpoda cucullus (30-60 m) could move through the pores of 155~116 m. However, no Amoebaproteus(100~150 m) was found in the effluents from all the columns. All the three protozoa made 32P redistribution in soil column.

本研究利用土壤中常见的3种原生动物(梨波豆虫Bodo edax、僧帽肾形虫Colpoda cucullus、大变形虫Amoeba proteus)，通过玻璃珠孔隙模拟、土柱及根箱培养试验，研究3种原生动物运动与磷素运移之间的关系及其影响因素，以及原生动物对玉米磷素营养的影响，同时对3种原生动物在玉米秸秆分解中的作用做了初步的探索，研究结果表明：原生动物的运动与孔隙密切相关，Bodo edax(5～7μm)能够穿过28～20μm孔隙，Colpoda cucullus (30～60μm)只能穿过155～116μm的孔隙，而Amoeba proteus(100～150μm)不能从玻璃柱中流出。

From June 2002 to March 2003, 29 men with obliterative strictures of the bulbomembranous urethra underwent the core-through procedure. The length of the stricture was 2.5 cm or shorter in all patients, with good alignment between the two urethral ends. The obliterative fibrotic tissue was vaporized by a holmium laser guided by a metal sound introduced through the suprapubic tract.

从2002年6月到20033月，29位球膜尿道的闭锁性尿道狭窄的男性接受穿越核心的外科手术，所有患者的狭窄部位长度为2.5公分或小于2.5公分，其手术部位尿道两端的精准度相当好，闭锁纤维化组织藉由钬雷射的金属探针经由上耻骨通道被蒸发。

From June 2002 to March 2003, 29 men with obliterative strictures of the bulbomembranous urethra underwent the core-through procedure. The length of the stricture was 2.5 cm or shorter in all patients, with good alignment between the two urethral ends. The obliterative fibrotic tissue was vaporized by a holmium laser guided by a metal sound introduced through the suprapubic tract.

从2002年6月到20033月，29位球膜尿道的闭锁性尿道狭窄的男性接受穿越核心的外科手术，所有患者的狭窄部位长度为2.5公分或小於2.5公分，其手术部位尿道两端的精准度相当好，闭锁纤维化组织藉由钬雷射的金属探针经由上耻骨通道被蒸发。

The forms of cassiterite have been drawn both through the measurement of natural crystals and through the deduction from its crystal structure, with the two results quite in agreement with each other.

据锡石晶面结构性质所推导的理想晶体形态图，与晶体测量所得到的天然晶体形态图总体上相吻合。

They are: conceptual meaning (logical, cognitive, or denotative content), connotative meaning (what is communicated by virtue of what language refers to), social meaning (what is communicated of the social circumstances of language use), affective meaning (what is communicated of the feeling and attitudes of the speaker/writer), reflected meaning (what is communicated through association with another sense of the same expression), collocative meaning (what is communicated through association with words which tend to occur in the environment of another word), thematic meaning(what is communicated by the way in which the message is organized in terms of order and emphasis).

在商务英语创意中常用的联想方式有接近联想、相似联想、对比联想和关系联想四种。合理地运用联想这一心理现象进行商务英语创意可以引起受众的关怀，影响受众的情绪与行为，使商务英语的效果更直接、更显著。从关联与认知语境的视角出发探讨联想在商务英语创意中的运用是有必要的。关联理论认为，话语的关联程度依赖于语境效果和处理努力，语境效果与关联成正比，处理能力与关联成反比。作者把处理努力理解为认知语言环境所消耗的脑力，关联性越强，话语就越直接，认知所耗的脑力越小，给受话者带来的认知负荷就越小；关联性越弱，话语就越隐含，消耗的脑力越大，受话人的认知负荷越大。

In building the simulation models for manufacturing missions, based on the combination with the multi-agent method and the GOOPN method, the compoundable method is presented, which makes the models more intelligent. Based on the result above, combined with the GOOPN models and the GERTS model, we put forward EPN-GERTS model through embedding Petri net into GERTS model, which can simplify the complexity in building models, and also improve the defects of GERTS model in describing resource conflicts and Petri net model in building models. In building the simulation models for development missions, the improved GERTS model is present to describe the development processes in QRMS. Through dynamically computing the redo times in GERTS, the improved model can reflect the operation character of development process. The simulation results are more precise when we use the models above.

针对构建快速研制系统的仿真对象问题，提出了基于多Agent的快速研制系统可靠性复合仿真建模方法，增强了仿真模型的智能性；在此基础上，针对制造任务，将Petri网嵌入到GERTS网中，提出了用于快速研制系统制造任务可靠性仿真的EPN-GERTS模型，简化了建模过程，同时也能考虑任务之间的资源冲突；针对研制任务，提出了用于快速研制系统研制任务可靠性仿真的改进GERTS模型，该模型可以描述设计迭代过程的动态运行特点，使仿真结果更加准确。

A synthesis of 2-pentylidene cyclopentanone starting from cyclopentanone and n-valeraldehyde through aldol condensation, followed by dehydration, was studied, and the yield reached 85.6%. 2-Pentenyl cyclopentanone was prepared in a yield of 95.0% from 2-pentylidene cyclopentanone with a hydrogenation methodology. Through Baeyer-villiger oxidation,δ-decalactone was synthesized in a yield of 63.9% from 2-pentenyl cyclopentanone with hydrogen peroxide.

研究了以正戊醛和环戊酮为起始原料，经羟醛缩合、脱水反应合成2-戊叉环戊酮，产率达到85.6%，2-戊叉环戊酮加氢制备2-戊基环戊酮，产率为95.0%，2-戊基环戊酮在双氧水作用下经Baeyer-villiger氧化重排反应合成δ-癸内酯，反应产率为63.9%，合成δ-癸内酯的总产率为52.0%，气相色谱分析纯度为98.7%。

This dissertation is based on the historical development and the current situation in Pingyao's tourism market, through tourists' poll on the spot and internet, analyzes the overall constitution of the tourists generating market of Pingyao by means of combination of economic and geographic measures through the view of spatial scale and demography, including the total amount of the tourists in Pingyao, the constitution of realistic tourist generating market and potential tourist generating market, the nature of the tourist generating market in Pingyao. The thesis establishes an ACD matrix with the occupation of tourist as a main factor to analyze the relationship between tourist flows and their occupations, with the combination of quantitative and qualitative method to take an insight into the tourist segments selected, in the hope of advising a scientific measure and practicable basis for future development of Pingyao's tourism industry in order to convert the present dilemmatic situation to an optimization.

数据发布平台，依据淡季和春节对平遥旅游者抽样调查问卷资料、网络电子邮件问卷和其他有关历史和现状资料，采用地理分析与市场分析相结合的手段，从空间尺度、人口学特征等方面综合分析了平遥旅游客源市场的总体特征：平遥旅游市场总量状况、现实客源地和潜在客源地构成现状、平遥旅游客源市场的基本特征；对以客源地作为平遥细分市场的分析方法进行了研究，构建出ACD矩阵指导目的地对客源地的选择和细分，进而描述性说明每一类客源地细分市场进入细分选择的依据；将职业特征作为人群细分的标准，通过说明职业特征的高度相关性，以职业细分了平遥的客源市场，定量和定性相结合，分析每一类入选的细分人群，为平遥旅游客源细分市场提供科学的方法，作为平遥下一步开发旅游产品、设计旅游项目的依据，以实现平遥旅游资源的优势转化。

China, in its headlong attempts to modernize, has often demonstrated a dismayingly cavalier attitude toward the well-being of its people: skyscrapers are built with little attention to safety standards and are invariably far from earthquake-resistant; huge dams ― not least the monstrosity that has so ruined the Three Gorges of the Yangtze ― are erected in a slapdash fashion; subways, like the system burrowing through the waterlogged alluvium beneath Shanghai, are built with incautious haste; freeway tunnels are bored through earthquake fault zones.

呼唤现代化的中国往往对民众的福祉展现出惊人轻慢的态度：摩天大楼的建造很少注意安全标准，远远不能抗震；巨大的水坝仓促落成；地铁的建造也是不谨慎的匆忙，例如穿过积水冲积层上海地铁系统；高速公路隧道的钻孔经过地震断裂带。

The organoboron compounds in this paper are based on triarylboranes, boronic acids and boronic esters. The structure-property relationship and sensing mechanism are elucidated. Organoboron compounds as Lewis acid can be used as fluoride probe with high sensitivity and selectivity because they have a unique LUMO in which the π-conjugation is divergently extended through the vacant p-orbital of the boron atom. The complexation of the boron π-electron systems with fluoride ion would interrupt the π-conjugation extended through the boron atom, causing the change of photophysical properties.

介绍了基于三芳基硼化合物、硼酸和硼酸酯的有机硼化合物在氟离子检测中的应用，评述了这些化合物的结构和检测性能之间的关系，讨论了检测机理，即有机硼化合物中硼原子空的p轨道使其作为路易斯酸能够选择性地结合氟离子，硼原子与氟离子的结合破坏了硼中心与芳香取代基的p-π共轭，引起有机硼化合物光物理性质的变化，从而实现对氟离子的高选择性检测。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。