可变化

At the latter consolidation stage, it was assumed that the water flow only depended on water pressure and was not influenced by the air. Then the independent continuity equation of water was set up to solve variation of water pressure with time. Besides, the water and air were regarded as mixed fluid, and the continuity equation of mixed fluid was set up.

在其后的固结过程中，假定水的流出仅仅取决于水压力，不受气的影响，单独建立水的连续性方程，解水压力随时间的变化；又将水和气看成混合的可压缩流体，建立混合流体的连续性，解混合流体压力随时间的变化。

A series homopolyme of ethylene synthesised by metallocene catalyst was analyzed by the high temperature gelatin permeation chromatography. The results showed that the molecular weight distribution changed not too much when the ratio of Al/Ti ranging between 1000 and 4000, while the molecular weight distributed increased from 2.48 to 2.81 when the ratio ranging between 4000 and 7000; catalyst D had the lowest activity to be used as asymmetric metallocene catalyst; the curve of molecular weight moved much to the left with the increases of temperature and two active centres appeared when the temperature is 70℃.

通过高温凝胶渗透色谱对茂金属催化合成的一系列乙烯均聚物进行了分析，可以看出Al/Ti比从1000变到4000时，分子量分布曲线图变化不大，而从4000变到7000时，变化相当大，分布宽度从2.48增至2.81；催化剂D的活性最小，可作为非对称性茂系金属催化剂；该聚合体系分子量的大小受聚合温度的影响很明显，随温度的升高，分子量分布曲线图向左发生很大位移，在聚合温度为70℃时存在两个活性相当的活性中心。

The simulation results demonstrate that the straight slope formal attack angle change rule has better time adjustability in corner section and higher turning efficiency than the exponential attack angle change rule, which provides a theory reference to the study of relevant field.

结果表明，直线斜率形式的迎角变化规律相对于指数形式的迎角变化规律具有转弯段时间可调性强、转弯效率高的优点，该项研究为相关领域研究提供了理论参考。

The objectives of this study were to develop a wireless sensor network technologies for agrometeorological disaster early alarm system and processing system. In this study, the foehn with a high temperature and low humidity has been monitored. The wireless sensor acquisition module ZigBee has been used to monitor the climate conditions combined with a GPRS wireless transmission module to construct wireless disaster alarm sytem. Graphical programming computer software package LabVIEW 8.2 was used to develop the control and monitoring systems.

本论文研究目的旨在发展气象灾害预警及处理系统，以焚风灾害为研究对象，焚风为台湾农业气象灾害之ㄧ，每年发生次数频繁且不可预测，当焚风发生时，监控焚风产生的高温和低湿变化，透过ZigBee无线传输技术，可连结温湿度、光度及土壤含水率等感测器，并与GPRS模组结合，将资料即时传送至伺服平台，藉由LabVIEW程式监控环境变化，达到气象环境即时监测之目的。

The distributive characteristics of Sr, Sc, K and REE such as Ce, Y are consist with Ca to some degree. Which means those elements host in Ca〓 sites of francolite. Certainly, other sites of these elements are still exist. It is sug gested that the change of mieroenvironment is the cause of the variation of Mn.

Sr、Sc、K及稀土元素Ce、Y在结核内的分布形式在一定程度上与Ca的位置，当然，它们还有其它赋存形式，Mn的变化可说明了磷结核形成作用过程中微环境发生了一定的变化。

To establish GPS buoy above the surface near Tide Gauge for continuously monitoring sea level change and dealing with the dynamic relative positioning of the GPS tracking station integrated with the Tide Gauge, the instantaneous position of GPS buoy can be solved. Then based on ellipsoid height of each point and time series, the curve of height distribution is drawn. The curve can represent the instantaneous position of the sea surface.

在潮位站附近海水面上设置GPS浮标，持续量测海水面之变化，并与潮位站共构之GPS连续追踪站，进行动态相对定位，可解算出GPS浮标瞬间位置，再撷取其椭球高，以时间序列绘制此高程分布图，此曲线就代表海水面随时间变化之瞬间位置。

Transmission line loadings may be affected directly by the power input to the line from connected generating units or changes in parallel paths that may be changed by placing other lines into or removing them from service.

输电线路的负荷可直接受到来自所联接发电机组功率输入的影响，或受到并联运行线路变化的影响，这种变化可以是其它并联线路的投入或退出。

The contents of the study on Earth environment and life processes include (1) chemical, physical and biological processes under the interactions between Earth environment and life processes, and the interactions among geosphere, hydrosphere, atmosphere and biosphere;(2)distinguishing the contributions of the human activities and natural processes to global change;(3)evaluating the possible impacts of climatic and environmental changes on life processes and its feedbacks;(4)discovering the adaptation of life processes to Earth environment and its adjustment mechanism.

地球环境与生命过程研究的内涵就是研究地球环境与生命过程相互作用中的各种化学、物理、生物过程，以及其在地圈、水圈、大气圈、生物圈各子系统之间发生的相互作用，增进对地球系统的理解和认识，区分人类活动与自然过程在全球变化中的作用，评估气候与环境变化对生命过程的影响及其反馈作用，揭示生命过程对于地球环境的适应性及其调控机理，为科学地管理地球，确保地球系统的可持续发展提供依据。

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。

The concrete work and main contribution are as follows:(1) The index indicating transfer capability homogeneousness is defined, and the new terms like homogeneous grid, grid according with economic flow are put forward. These new concepts describe the degree in which transfer capability is utilized, and they provide the standard for ideal grid whose transfer capability and power generation dispatching economy are in phase. So, new idea is introduced in transfer capability analysis.(2) The multi-objective function with generation cost and transfer capability homogeneousness weighted is constructed. The relationship between system existing generation dispatching and transfer capability is revealed through comparative analysis between security economic dispatch and security homogeneous dispatch, and the variation rule analysis between generation cost and transfer capability homogeneousness with the change of weighting coefficient.(3) Example analyses demonstrate that the difference between specific power system with ideal instance can be identified effectively using the above concepts and method.

具体工作和贡献主要体现在：(1)定义了衡量电网输电能力均匀性分布的指标，提出均匀电网、符合经济流电网的新概念，以描述电网输电能力被利用的程度，并给出输电能力和发电调度经济性相协调的理想电网标准，在输电能力分析评判领域引入了新观点；(2)构造了发电费用与输电均匀性加权的多目标函数，通过对安全经济调度与安全均匀调度的对比分析，以及权系数变化过程中发电费用与输电均匀性的变化规律分析，揭示了系统现存发电调度与输电能力之间的依赖关系；(3)大量分析表明，利用上述概念和方法可有效识别系统在特定模式下与符合经济流电网的偏差程度。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。