剖面
- 与 剖面 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Through experiment, this paper analyses the discrepancy of the soil moisture feature curve of different levels with different planting conditions, and has verified the model of the soil moisture feature curve based on theory of incomplete fractal theory.
本文通过试验,分析了不同条件下不同剖面层次的土壤水分特征曲线的差异,验证了基于不完全分形理论的土壤水分特征曲线模型,并对模型中的参数进行求解。
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The mobility of six kinds of refractory elements for dacite weathering profile in Jiaonong, Guangxi were studied.
对广西凭祥叫弄英安岩风化剖面中 6个难熔元素的活动性进行了研究。
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The optimization model which the horizontal well drawdown is regarded as objection function and the perforation distribution as decision variable is presented.
建立了以水平井生产端压差为目标函数、以孔眼分布为决策变量的优化模型,同时和均匀流入剖面、均匀射孔分布的结果进行了对比。
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The vessel has a five-storied deckhouse, deck heights at longitudinal midsection to be as follows
本船甲板室设五层,甲板间距纵中剖面处高度如下
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The optimization model is built, which has the function of decreasing the number of design variables and improving the efficiency of optimization. The Relative Difference Quotient Algorithm is advanced for the optimum design.
建立了能够减少设计变量数量和提高优化效率的优化模型;改进了相对差商法;建立了适用于中剖面结构优化的遗传算法数学模型。
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The selection of geological prospecting in different stages(initial-prospecting, detailed-prospecting)(2)the selection of geological prospecting in the deep-laid and shallow-laid of tunnel project (3)the selection of geological prospecting of tunnel projecting in different geological conditions Finally, the author summed up main problems needing to be solved in tunnel engineering geological prospecting as follow:(1)differentiate stratum and find out the depth and thickness of different stratums in the tunnel section (2)find out geological structure and existence situation of fault, broken zone and weak plane (3)find out weathering level of bed rock to classify surrounding rock combining speed materials (4)differentiate stratum structure of the entrance of tunnel to judge the stability of it (5)find out existence situation and performance of ground water (6)situations of other harmful geological phenomenon In view of above problems and classification of surrounding rock, the author showed principles of rational choosing of methods in geological prospecting and counted disperse range of physical character parameter value in different petrosal character, getting achievements as follow:(1)summarization of effect, merits and demerits of different geological prospecting methods in the tunnel geological investigation (2)method selection and arrangement principle of tunnel engineering geological prospecting in different geological conditions and prospecting stages (3)According to previous experience and cases, the author concluded the物性parameters most in use ,and showed the basis of selecting geological prospecting methods in different geological conditions.
论文中用几个应用实例来说明:(1)不同勘察阶段物探工作的选用;(2)深埋、浅埋隧道工程物探工作的选用;(3)不同地质条件隧道工程物探工作的选用。最后总结归纳出隧道工程物探所需要解决的问题主要有:(1)划分地层,查明隧道通过剖面的各地层深度与厚度。(2)查明地质构造,隧道轴线段有无断层、破碎带、软弱层面等。(3)查明基岩风化程度,从而结合速度资料进行围岩分级。(4)划分洞口地层结构,判断洞口稳定性。(5)查明地下水赋存情况及其活动动态。(6)其他不良地质现象存在情况。针对上述需要查明的地质问题与计算围岩分级情况,论文提出合理选用物探方法的原则,并统计了物性参数值在不同岩性中的分布范围。得出以下研究成果:(1)总结出各物探方法在隧道地质调查中的作用和优缺点。(2)得出不同地质条件下和不同勘察阶段,隧道工程物探方法选择和布置的原则。(3)根据以往工作经验和事例,对常用的物性参数进行了归纳总结,同时介绍了不同地质条件下物探方法选择的依据。
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Result Asymmetric inlet velocity profile deflexion could increase the area of low shear stress and the gradient of shear stress.
结论不对称入口速度剖面可能是诱发动脉粥样硬化发生的一个危险因子。
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Clay minerals in 15 surficial samples and 5 profile samples from the Yangtze Delta plain were analyzed by X-ray diffraction.
采用XRD研究了长江三角洲地区15个表层样品和5个剖面样品中的粘土矿物。
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In this paper, the laser sheet technology is used to research the flow visualization of sections of double delta wing ,and some important results are introduced.
介绍了采用激光片光技术在风洞中进行双三角翼剖面流动显示研究的方法和主要结果。
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The model can be used to calculate the rate of paraffin deposition and the growth rate of deposition thickness.
对影响油井结蜡剖面的各因素进行了敏感性分析。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。