According to the criterion, the conventional uniformly distributed points were replaced by the nonuniformly distributed points.

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Ordosica biomass and density was dependant on that of soil moisture, and in particular, there existed a significant positive correlation between the biomass and the moisture, indicating that on semifixed dune, soil moisture played a decisive role in the spatial heterogeneity of plant population.

由于沙丘地形對(duì)降水量的再分配在土壤濕度分布中的作用狂插美女女阴道动态，土壤濕度和油蒿種群空間異質(zhì)性相互作用的結(jié)果為地形的綴塊性→土壤濕度分布的綴塊性→油蒿種群分布的綴塊性→油蒿生物量和密度的綴塊性。

A new data management algorithm for anycast based random sampling in sensor networks;2. Composite random sampling algorithm for scheduling concurrent projects;3. In the existing methods of random summing of total resource,the shape of the total resource curve sometimes distributes skewly,in view of which,the new method was put forward to improve random sampling .

針對(duì)現(xiàn)有的資源總量隨機(jī)求和中存在的資源總量曲線形態(tài)有時(shí)呈偏態(tài)分布的問題91视频人妻，提出了對(duì)其隨機(jī)抽樣方法的改進(jìn)方案美性爱，即把隨機(jī)抽樣入口由原來定義在(0，1)區(qū)間上改為定義在(0国产又粗又大在线观看，ki)區(qū)間上(ki為第i個(gè)局部地質(zhì)單元的石油資源量保險(xiǎn)系數(shù))www.BLA片，利用(0，ki)區(qū)間上均勻分布的隨機(jī)數(shù)對(duì)風(fēng)險(xiǎn)分析后的資源總量分布函數(shù)進(jìn)行隨機(jī)抽樣黄色精品视频在线观看精品免费。

The former image,the reference image is divided into a series of textures standing for different surficial configurations,and its is assumed that the gray value of the above textures is modeled as Gaussian distribution s.

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Based on the well known optical them distribution in free space a generalizedstimulated Raman scattering coupled wave equation is deduced and a simplemethod to calculate the temporal and spatial distribution of pump beam and Stokes beamin SRS is proposed in the paper.

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According to the geological property of the research area, we apply sequence indicator simulation method if the reservoir type is discrete variable. Sequence Gauss simulation method is used if the type of reservoir property is continuous variable. Structural model (single well model, fault model and bedding model) and property model are built. The 3D distributions of reservoir parameters are established based on structural model. Three advantage oil distribution of the oil field are pointed out through overlap of the reservoir parameters distributions.

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In this paper, based on a pill-box window model with a conical-shaped alumina ceramic and Ansoft HFSS software, the relation of VSWR with various electrical parameters in th...

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Based on the ultrasound field solution, temperature in tissues were estimated. Temperature elevation of some points were given in the figures. The influence of direction ratio to temperature distribution was discussed. It provided the ref...

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The different adsorbed species such as sulfates sulfites and adsorbed sulfur dioxides under various temperature, pressure and evacuated treatment conditions were characterized by in situ-IR. In the absent of oxygen, two bands were observed at 1050cm〓 and 1330cm〓, the former is the weakly chemisorbed sulfur dioxide species and the latter is the strongly chemisorbed SO〓.

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The results of calculations showed that the maximum increments in saltation height and horizontal distance due to the Magnus force were 10.2 and 24.9%, respectively, and that both increments increased with increasing lift-off angle. The maximum increments in saltation height and horizontal distance of sand grains caused by the Saffman force were only 4.6 and 3.7%, respectively. The vertical concentration distribution of Aeolian sand flow follows exponential function distribution whether or not force analysis of saltating sand grains includes Magnus and Saffman force. The effect of Magnus and Saffman force on the vertical concentration distribution of Aeolian sand current makes the rate decrease near sand bed and it is consistent with the effects of Magnus and Saffman force on the saltation height and distance of sand grains.

Magnus力對(duì)躍移高度和水平距離產(chǎn)生的最大增量分別可達(dá)到10.2%和24.9％，這兩個(gè)增量均隨起躍角度的增加而增大久久久久精品免视频94久久精品视频；Saffman力對(duì)躍移高度和水平躍移距離產(chǎn)生的最大增量分別為4.6%和3.7%国产老太性交；是否考慮Magnus與Saffman力，風(fēng)沙流垂向質(zhì)量百分濃度均服從指數(shù)函數(shù)分布国产调教免费视频免费专区，Magnus與Saffman力使得風(fēng)沙流垂向質(zhì)量百分濃度較不考慮它們的作用呈現(xiàn)出底層的比例較小男人爽到高潮喊叫视频，上層較大，Magnus與Saffman力對(duì)躍移高度的影響基本與其對(duì)風(fēng)沙流垂向質(zhì)量分布的影響一致日韩激情无码一级毛片久久，不過Magus力對(duì)風(fēng)沙流垂向質(zhì)量百分濃度分布影響較大黄色视频永久免费观看，0-2cm范圍內(nèi)尤為強(qiáng)烈(7.16-10.81)，其他高度層(2-20 cm)的影響相對(duì)較小(0-2.95)午夜理伦电影在线不卡717。