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The physical mechanism of soil water transportation is explained using fractional Brownian motion. Quantitative mathematical-physical analysis model is proposed. The analytical solution demonstrates fractal characteristics of Lévy distribution.

通过对土壤中水分输运的物理机制的分析，利用分数布朗运动解释了土壤内水分输运的物理机制，得出土壤内水分输运的定量数理解析模型，模型的解析解是具有分形特征的列维分布。

After studying many domestic and abroad papers, the paper follows the recent study of optimal design and organization of gathering pipeline system. According to working condition of natural gas gathering pipeline system in west part of Sichuan.Based on topology, geography conditions of the gas field and different exploitive phase establishing optimal structure parameter mathematical models of pipe network. The object of models is net present investment value of pipe network.

本文调研了国内外大量文献，紧跟国内外天然气管网系统优化设计及运行方面的最新研究成果，结合天然气集输配管网系统的实际运行状况，采用分级优化法，开展集输站场优化布局研究、集输管网结构优化研究、地面输送系统优化运行研究等方面的深入研究。

The third category for the print device signature files, it also provides a suite of software, the software in a computer-generated that contains hundreds of color swatch in the graphic, and then the graphic output on the output device, if it is a printer, printing press with respect to direct proof in respect of the first film, proofing and printing, the image on the output measure that is a reflection of the print device's characteristics file information.

第不一类为打印摆设的特征文件，它也供应了一套软件，该软件在计算机洋天生一个含有数百个色块的图形，然后不兵图形在不输不入摆设上不输不入，如果是打印机不离间接打样，印刷机不离不后不入胶片、打样再印刷，差这些不输不入的图像举行丈度即反响不入打印摆设的特征文件新闻。

I'll sing it one last time for youThen we really have to goYou've been the only thing that's rightIn all I've done And I can barely look at youBut every single time I doI know we'll make it anywhereAll away from here Light up, light upAs if you have a choiceEven if you cannot hear my voiceI'll be right beside you dear Louder louderAnd we'll run for our livesI can hardly speak I understandWhy you can't raise your voice to say To think I might not see those eyesMakes it so hard not to cryAnd as we say our long goodbyeI nearly do Light up, light upAs if you have a choiceEven if you cannot hear my voiceI'll be right beside you dear Have heart my dearWe're bound to be afraidEven if it's just for a few daysMaking up for all this mess Light up, light upAs if you have a choiceEven if you cannot hear my voiceI'll be right beside you dear

我会为你最后一次歌唱然后就会离开你是我所做过的事情中唯一正确的我几乎无法注视你但当我独自一人时我会我知道我们会好起来只要远离这里振作吧振作起来只要有一丝机会有赌未为输就算你听不到我的声音亲爱的，我也会在你身边加油吧加油我们都在为生活打拼有时我会哑然迷失为何你不痛快跟我说想到再也看不到那双眼眸我强忍了眼泪当我们道别时我哭了振作吧振作起来只要有一丝机会有赌未为输就算你听不到我的声音亲爱的，我也会在你身边勇敢吧我亲爱的我们注定会害怕就算只有那么几天也要好好整理那般凌乱振作吧振作起来只要有一丝机会有赌未为输就算你听不到我的声音亲爱的，我也会在你身边

This conclusion was further confirmed when effector CD8 T cells were generated in WT mice and adoptively transferred into WT or PFR second hosts on day 7 after infection.

我们还采用了另外一种方式来确认上述结果：在野生型小鼠中回输Thy-1.1~+OTI CD8T细胞并感染，7天后纯化脾脏Thy-1.1~+CD8T细胞，按相同细胞数分别回输到同步感染的野生型C57小鼠或PFR小鼠中，在PFR小鼠中同时回输经活化的野生型或者穿孔素缺陷的NK细胞。

Based on the unique characteristics of the Yellow River and previous research on its ecological water requirement, the present paper recommends that the water requirement for transport in the flood season and base ecological flow in non-flood season should be both included in the ecological water requirement. The water requirement for transport is 80 × 108-120 × 108 m3 per year if the bankfull discharge carries the largest sediment and contaminant load over a long period of time. The base ecological flows in non-flood season at Huayuankou and Lijin stations are 80 × 108-100×108 m3 and 50 × 108-60 × 108 m3, respectively.

通过分析黄河下游1958～2000年实测生态可用水，探讨生态需水量内涵，根据黄河特殊性及黄河生态需水量的研究现状，将维持和保护河流功能的黄河下游生态需水量分为汛期输运水量和非汛期生态基流量，在平滩流量输运能力最强的前提下，估算黄河下游汛期输运水量为80～120亿m3，根据实测资料估算作为黄河下游水量控制断面花园口水文站和作为河口地区水量控制断面利津水文站的非汛期生态基分别为80～100亿m3和50～60亿m3。

The field experiments on the secondary flow developed on the lee side show that there are strong sand transport potential at the lee side of the dunes near the surface because of the decreasing of the sand grain size and the other factors. The transport directions are nearly vertical to the dune trends. Those factors and the sand slumping on slip face, and the sand transport processes on the stoss slope make the transverse dunes maintaining their morphology under the advance processes.

对沙丘背风坡发育的二次流的野外观测表明，近地面一定高度内沙丘背风坡气流仍有一定的强度，由于背风坡的沙丘沙粒径较小等因素，背风坡气流仍保持一定强度的输沙率，输沙方向与沙丘走向基本上垂直，这种作用与沙物质向背风坡崩落、迎风坡的输沙过程等共同作用，因而使横向沙丘在运动中保持其形态。

During the establishment of sediment yield dynamic model at the watershed outlet, it was difficult for us to carry out dynamic monitoring of each impact factors in the whole basin, because it was a long time research and was in very large-scale watershed. Taking into account the interannual variability of sediment yield mainly affected by hydrological conditions of rainfall - runoff and underlaying surface changes caused by soil conservation measures, a combined influence factor which is related to surface runoff modulus and the implementation time of the water and soil conservation project was proposed for the first time. Furthermore, its specific expression was determined through dimensional analysis and non-linear regression multianalysis.

在流域输沙量动态模型的建立中，由于研究时段长、研究流域尺度大，对输沙量各影响因子进行全流域逐年动态监测十分困难，考虑输沙量的年际变化主要受降雨-径流水文条件和水土保持措施等土地管理活动的影响，首次提出与地表径流模数和治理时间相关的综合影响因子，并通过因次分析法和二元非线型回归法确定了具体的表达式。

We further analyze the electronic transport spectra and the molecular orbits, and find that the LUMO+2 orbital 15 delocalized all over the extended molecule and provides a good channel for the electronic transport.

通过进一步分析电子输运谱图和分子轨道得知，该类分子的LUMO+2轨道具有较好的扩展性，为电子输运提供了良好的输运通道。

Since the initial start of buried pipelines results in three-dimen-sional unstable heat transmission , and at initial start the temperature change of the soil around a pipeline is affected by the temperature inside the pipeline and the ground surface temperature annual fluctuation, the differential equation for heat transmission and the boundary value may be line...

埋地输油管道启输过程是三维非稳定传热问题，启输过程中管周土壤温度场的变化受管内热水温度和启输前地表面温度年波幅的影响，可将传热微分方程和边值条件线性组合成两个定解问题，用电子计算机进行数值求解，得出计算公式，以确定预热阶段管路任一点任一时刻的热水介质温度。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。