查询词典 constructed
- 与 constructed 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The basis function of nth order trigonometric polynomial T-Bézier with shape parameter is constructed, so that the shape of the constructed curve can be adjusted by changing the parameter value.
给出了n阶带形状参数的三角多项式T-Bézier基函数。
-
Firstly, a two-dimension tensor product space is constructed, in which reproducing kernel exists. Secondly a multiresolution analysis is constructed in the reproducing kernel space. Then an orthonormal basis in is obtained. Thus,the reproducing kernel space can be expressed by wavelets spaces. Wavelets approximation formula and sampling formula can also be obtained in the space. Besides, the wavelets approximation formula is simple and easy for calculation. That completes the theory of multiresolution analysis in finite interval fully and provides theoretical base and algorithm for application.
首先,构造二维张量积空间,并证明该空间具有再生核;其次在再生核空间中,建立多尺度分析,获得该空间的一个标准正交基,使得再生核空间可以由小波空间来刻画,进而得到小波级数和相应的采样公式,而且给出的小波级数形式简单易于数值分析,进一步完善了有限区间上的多尺度分析方法,也为实际应用提供了良好的理论基础和算法。
-
Producing PHAs,and then were orientationally inserted into a prokaryotic expression vector pBV220. By analyzing the bioactibity and function of their products, the biological function of phaA, phaB and phaC was confirmed. These have been done in our laboratory. To make better use of the three genes by plant bioreactor, two groups of different plant expression vectors that can be used to produce PHAs in different plants were constructed, and the transformation of PHA in Oxalis triangnlaris has been preliminarily reseached.The following is the main results:Three plant expression vectors pBI121-A,pBI121-B and ubquiting-C, which can be used to be transformed into Oxalis triangularis were respectively constructed by using the phaA, phaB and phaC.
菌株的亚克隆基因组片段中,分离出phaA、phaB和phaC三个基因片段,定向克隆至原核表达载体pBV220,通过对其生物活性与功能分析,确证了基因phaA、phaB和phaC的生物学功能;为了通过植物生物反应器对这三个基因进一步研究利用,本实验利用这三个基因构建了两组可用于不同植物生产PHA的真核表达载体,并对紫叶酢浆草进行PHA基因遗传转化的初步研究,获得主要结果如下:利用克隆的phaA、phaB、phaC三个基因分别构建了可用于转化紫叶酢浆草表达载体pBI121-A、pBI121-B、uBquiting-C;可用于玉米转化的种子特异性表达载体p7S-A、pBI121-S-B、uBquiting-C。
-
The main methods applied in the thesis are: a trend of potato"s Late Blight of BP neural network long-term prediction model and Grey-Disaster prediction model are constructed with history data, and short-term prediction is constructed with the agriculture experts" experience.
本论文的研究方法是:借助于农业、植保专家经验建立了短期预测,同时通过历史数据建立了晚疫病流行程度的神经网络长期预测模型及灰色灾变模型。
-
With the point near the corner and the point on any edge of the corner, a piece of quartic spline curve was constructed to approximately calculate the geometrical parameter of the constructed quintic spline curve, An example of reconstructing a corner was given, and the reconstructed curve was interpolated, after which the feed rate, acceleration and jerk were analyzed respectively.
利用拐角附近点及其一条邻边上的点构建一条四次样条曲线近似计算构建的五次样条曲线几何参数。
-
Theequivalence percolation resistance law is accurate enough to be used in productivitycalculation of horizontal well pattern.(3) Productivity of mixed well pattern of horizontalwell or multilateral horizontal well and vertical well is constructed and formulae are simpleenough to be used in the oilfield. The patterns include 5-spot pattern,7-spot pattern and9-spot pattern.(4) Productivity formula of united rectangular well pattern of horizontaland vertical wells is constructed. By this formula, the calculation results show that fora horizontal well length, there is a shape factor at which the productivity of the patternis biggest. So optimum method of the well pattern is proposed.(5) A new concept ofdimensionless length of horizontal well is advanced and the relationship of optimum shapefactor of the rectangular well pattern against dimensionless length of horizontal well ispresented. The influences of length of the horizontal well, area of the well pattern unitand the thickness of reservior are concerned.
利用该公式计算表明:当水平井长度一定时,存在一个最优井网形状,使得水平井的产能最大,在此基础上提出了水平井井网的优化方法;(5)提出了水平井无因次长度的概念,给出了联合井网最优井网形状因子与水平井无因次长度的关系式,并对水平井长度、油层厚度及井网面积对产能的影响进行了分析;(6)推导出了一无限水平井井排在XY 平面内势的解析解,为不同水平井整体开发井网或水平井和直井井网整体开发渗流理论的研究奠定了理论基础;(7)建立了交错式水平井与直井整体开发渗流理论,给出了拟三维条件下井网产能的精确解析解及该井网最优井网形状因子与水平井无因次长度的关系,并对产能的影响因素进行了分析;(8)建立了水平井与水平井正排列井网、交错排列井网条件下渗流理论及井网产能在拟三维条件下的精确解析解,给出了交错井网条件下最优井网形状因子与水平井无因次长度的关系,通过与正方形井网对比,说明优化井网可大幅度提高开采效果;(9)建立了分支水平井和直井面积井网水油两相非活塞驱替条件下渗流问题的解析解,给出了见水前后无因次产量与无因次时间的关系式以及见水时间等。
-
First, based on analyzing the function model of the NC machine tool sharing system, a 4-layer architecture for net is proposed and constructed; Second, the function-oriented model of information flow for multi-agent, which is employed to implement the interactions between the 4-layer architecture, is constructed; Third, the station function for agent is defined, based on which the negotiation mechanism is built.
首先,在分析功能模型的基础上,提出并实现了资源共享的四层网络拓扑结构;其次,构造了面向设备资源共享功能的智能体信息流模型,以实现四层结构之间的交互;其三,定义了智能状态函数,并以此为依据,建立了智能体协商机制。
-
The steam chest ,vapor separators,preheater and surface condenser are designed and constructed for an internal pressure of 1 bar gauge and full vacuum at 121 ℃ except as follows .the shellside of the first effect chest is designed for an internal pressure of 2 bar gauge and full vacuum at 135℃.the bubeside of the prehearter and surface condenser are designed for an internal pressure of 7 bar gauge and full vacuum at 121℃.the equipment is designed and constructed in accordance with asme.certificates are provided.
蒸发分离室,蒸汽室,预热和冷凝器要设计结构内部能够承压1 bar 和在121 ℃充满真空。一效蒸汽室壳侧要设计成能够承压2 bar 和在135 ℃。预热器的管侧和表面冷凝器设计成7 bar 和在121 ℃。设备的设计和制造要符合ASME。要提供证明。
-
The model of steering system is designed and constructed by CAD,the mechanical properties of which are analyzed, and the model of steering gear is designed and constructed as well.
用CAD软件设计并构建其转向系统的模型,对汽车转向系的力学特性进行了分析。设计并构建了一套转向器模型。
-
The problem has been studied from two sides, firstly, from the viewpoint of applicability, based on the development strategic objectives of the oil company, with the aim to unify the exploration and extraction decisions of the resources in an integrated framework, and integrate the macro economic and technical objectives with micro economic and technical models of an oil well, an integrated non-linear dynamic optimal control model has been constructed, the objective is the benefit maximum of the exploration and extraction of the resources, and the optimalstrategies are obtained by changing the problem into a non-linear mathematical programming problem, on the other hand, from the more macro level, based on the analysis of the characteristics of the exploration and extraction activities of oil and gas resources, a conclusion is easily deduced that the procedure is full of randomicity, then discovering procedure of oil deposit is proved to be a Poisson process, and the reserves process is a supermartingale process, so the model of exploration discovery rate and the reserves model could be constructed.
其次从相对更宏观的层次上,通过对油气资源勘探与开发的特点分析,认为具有很强的随机性,证明了勘探活动发现油气藏的过程为一泊松过程,所发现的油气藏储量为一上鞅过程,在此基础上,建立了油气藏勘探发现率模型及储量模型,在油气价格服从几何布朗运动条件下,以油气开采收益最大化为目标,建立了一个油气资源勘探与开发的随机最优控制模型,采用动态规划方法得到了值函数的HJB方程,并针对方程的特点,以及方程及其变量所对应的经济学意义,对最优策略的求解进行了一些讨论。
- 相关中文对照歌词
- Adjust
- Between Two Worlds
- Call It A Day
- You Eclipsed By Me
- The Party Song
- Parentheses
- Repeat Stuff
- Exist
- Misadventure
- Poet Laureate Infinity V003
- 推荐网络例句
-
That snake Alaric named Archbishop...
庇护。。。那个毒如蛇蝎的Alaric被命名为大教主。。。
-
You have done lots of magical things to be amazed at.
你做了很多神奇的事物感到惊讶。
-
A first letter, in the style of those granted for the foundation of regular canons, gave the order canonical existence; a second determined the special vocation of the Order of Preachers as vowed to teaching and defending the truths of faith.
第一次信中,在作风上的那些理所当然为基础的经常门炮,一声令下典型的存在;第二次定特别的天职秩序传教士作为发誓要教学和捍卫真理的信念。