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The change law of salt in transition layer and its effects on salt in unsaturated zone and saturated zone under ponding and evaporating conditions in Lubotan, Shaanxi province were studied. Both laboratory experiment and numerical simulation have been done for three kinds of initial condition.
在国内外有关土壤水盐运移规律研究成果的基础上,应用陕西省卤泊滩综合治理和谐生态模式,分析了在蓄水和蒸发条件下,土壤饱和层与非饱和层之间的过渡层中盐分变化规律以及对土壤饱和层和非饱和层盐分的影响。
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Cycle are divided into for the phosphoric rock series of the Yangshui Formation at this zone, in association with sequence interface and its relative characterization, the types of the sequences are determined and the Yangshui Formation is considered a high-ranking I-level sequence that is constituted by a series of low-grade retrograding type of de.
应用层序地层学的概念和方法,从沉积特征研究入手,对该区的含磷岩系———洋水组划分出5个沉积层序,结合层序界面及层序的归纳描述,确定了层序类型,并认为洋水组是一套海进体系域中由一系列低级别退积型沉积层序组成的高级层序。
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The relationship between the screen mesh and the theoretical and practical ink film thickness was analyzed based on the main influencing factors of the ink film thickness by screen printing. A calculation model for the ink thickness was established based on the screen under static and compressive deformation. The relation curve between the screen mesh and the ink film thickness was fitted and the suitable printing craft parameter was chosen to print two kinds of RFID tag antennas. The fluctuation of the antenna resistance was analyzed to demonstrate the reliability of the passive RFID tag antenna manufactured by screen printing technology.
结合丝网印刷墨层厚度的各主要影响因素,分析了理论墨层厚度和实际墨层厚度与网版目数的关系,建立了网版静态及受压变形两种状态下的墨层厚度计算模型,拟合了网版目数和实际墨层厚度之间的关系曲线,并选择合适的丝网印刷工艺参数,印刷制作了两款无源RFID标签天线,通过天线电阻值的波动情况分析,论证了用丝网印刷工艺制作无源RFID标签天线的品质可靠性。
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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.
根据研究区的地质特征,建模过程中的储层类型属于离散变量,选用序贯指示模拟方法;储层参数属于连续变量,则选用序贯高斯模拟方法,对储层分别实现构造建模(单井模型、断层模型和层面模型)和属性建模,在构造模型的基础上建立储层参数的三维分布,通过储层参数的分布的叠合研究,在该油田指明了三个有利油气分布区块
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The survey and analysis show that when the rut depth is deeper(more than 60 mm),the greater deformation would be found both in wearing course and binder course,and the compression deformation ratio of binder course is higher than that...
测量分析结果表明,车辙深度较深(大于60mm)时,上、下面层均发生了较大的变形,且下面层的压缩变形率大于上面层;当车辙深度较浅(小于40mm)时,下面层的压缩变形率小于上面层。
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The results show that:(1) The penetration resistance of functionally graded layered armour made of metal Matrix Composites is better than that of the Aluminum plate;(2) The penetration resistance of the functionally graded layered armour whichlay_up is 0%/57%/0%/26%/0%/12%/0% is the best;(3) The resistance penetration of the the functionally graded layered armour can be greately promoted through optimizing the lay_up and volume fraction of the reinforced particle;(4) The functionally graded armour in which the particles distribute continuous has better behavior of resistance penetration when the volume fraction of the reinforcements are constant;(5) The higher volume fraction of the reinforcements at the surface of FGM and the more non-homogeneous the reinforcements distribution, the higher thesurface Youngs Modulus and the flow stress are;(6) The behavior of penetration resistance of the functionally graded armour in which the particles distribute continuously is better than that of homogeneous steel plate;(7) The functionally graded armour provedes a important approach for the optimization and design of the resistance penetration;(8) The numerical results of simulation of the bird striking the aircraft structureshow that the finite element model of the balance leg is effective;(9) The numerical results show that the structure internal force is relative largewhen the bird strikes the top of the balance leg;(10) The process of the birdstrike is thaf.after the bird penetrting through the front skin of the balance leg and striking the front beam,the bird is broken up in three parts.
经过本文所进行的数值模拟后我们发现:(1)在层状梯度装甲板的抗侵彻过程中层状功能梯度板比铝板的抗侵彻性能好;(2)在层状梯度装甲板的抗侵彻过程中铺层顺序为0%/57%/0%/26%/0%/12%/0%的功能梯度装甲板的抗侵彻性能最好;(3)通过优化组合层状梯度板的铺层顺序以及增强颗粒的含量可以大大改善梯度板的抗侵彻性能;(4)当SiC颗粒体积含量一定时,增强颗粒连续分布的功能梯度板表现出了优越的抗侵彻性能;(5)增强颗粒连续分布的功能梯度板表面SiC颗粒体积含量越高,分布越不均匀,表面的弹性模量就越高,屈服应力就越高;畜此工业大学硕士研究生学位论丈(6)增强颗粒连续分布的功能梯度装甲板比匀质钢板表现出良好的抗侵彻性能;(7)功能梯度装甲板为整个抗侵彻性的优化设计提供了重要的途径。
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For the 3D human body and garment modeling and surface fitting, a human body database and a three-layer feature model are set up based on the human body measurement data. The class inheritance relations of human body are established according to three-layer feature model: object layer, feature layer and geometry layer.
对于三维人体和服装的建模与曲面拟合,设计了基于人体采集数据的人体数据库,建立了人体的对象层、特征层与几何层三层特征模型,并结合三层特征模型建立了人体类的继承关系。
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If the TBCs system is homogeneous, the TGO will take on relatively regular and periodical undulation. Unfortunately, in actual situation, some abnormal thick areas will be presented in TGO, which is in single-layer or multi-layer form. In SEM, it can be seen that such protrusion areas originate from TGO, and penetrate into bond coat layer gradually with the increment of oxidation time, namely, the oxidation localization phenomenon occurs.
如果体系均匀,则TGO层将表现出较规则的周期状起伏,但在实际服役过程中,TGO层经常出现单个的异常厚部位或多层的异常厚部位,在扫描电镜图上呈现出钉子状或瘤状的局部突起物,这种突起物源于氧化层,并随着高温工作时间的延长向粘结层中扩展,即发生了氧化局域化现象。
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It is found that the oxygen can difficultly diffuse through the sealing top coat irradiated by HIPIB, causing that the oxidation resistance of the irradiated TBCs is better than that of the as-deposited TBCs due to the decrease of oxygen activity near the interface between the top coat and the bond coat.
经辐照样,陶瓷层顶层形成微米厚致密封顶层,使氧难以穿透陶瓷层,导致陶瓷层/粘结层界面氧的活性降低,从而降低了粘结层氧化速率,使辐照样抗氧化性能优于原始EB-PVD热障涂层。
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Optimal pretreatment conditions of electroless nickel plating for magnesium were decided by many experiments. Phosphoric acid technology was used to instead of acid processing by chromium trioxide and ferric chloride, and excellent coating was obtained by using dipped zinc, cyanide copper, nickel as medium.
通过多次试验确定了镁及镁合金的前处理方案,以磷酸洗的方法代替传统的铬酐加三氯化铁酸洗浸蚀的前处理工艺,配置简单,操作方便,以浸锌层、氰化铜层和中性镍层作为化学镀中间层,得到了结合力良好的化学镀镍层,获得了镁合金表面处理的新突破。
- 推荐网络例句
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I will endeavour to find you some assistance.
我尽力帮你找人帮忙。
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At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.
起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。
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Ah may dee:You are chinese living in a democratic country.
你是居住在民主国家的中国人吧。