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In the light of cost index and pollution degree, the characteristics of kinds of pulp are analyzed in detail, and the GP pulp which is low cost, high-yield, no-pollution is chosen as the material of tableware. Based on material element analyzed, shaping technology is designed, the to and for single plane shaping equipment which is high shaping quality, high production efficiency and is easy to automatize is chosen. All kinds of measure are taken to solve the problems which are inequality in the shaping process of GP pulp, and dosage which matches with GP pulp is chosen. Some ways of fixing shape and heat up are analyzed, the technology of saving energy of heat pressing to fix shape being composed of oil heat and only one fixed shape in the mold is applied, with which it is high production efficiency, low cost to fix shape effectively, which saves energy 30 percent. In order to make the production line meet with material of GP pulp, measure are taken to solve the problem of pulp adhered to netlike molding which can lead to carry material difficult, the structure of fully automatic equipment is renovated, the loaded beam is optimizationally designed to make equipment structure compactand improve location precision and products quality. According to technologic flow and actual characteristic, Omron PLC is chosen as the core of the control system, proximity switch as detect unit take the place of touch switch, software is designed reasonably according to time order figure, hardware is simplified, the reliability of system is advanced, the stability of system is assured to make production order. Intelligence neuron PID system is studied theoretically which is made up of both neuron with self-organizing and self-learning function and ordinary PID with the characteristic of the simple structure and high stability, which can automatically tune the parameter with the change of system parameter, remain perfect performance.
按成本指标和污染程度分析各浆料的特点,选择低成本、高得率、无污染的磨石机械浆为原料,在原料组分分析的基础上,设计成型工艺,选择成型质量好、生产率高、易实现自动化的往复式单板成型机,采取各种措施解决GP浆成型不均匀的问题及选择与机械浆相匹配的助剂;分析几种定型方式和加热方式,采用定型效果好、生产率高、成本低的油加热与模内一次性定型相结合的热压定型节能技术,节能30%;为了使生产线适应磨石机械浆原料,采取相应措施解决由于粘网造成物料转移困难,对全自动设备结构进行改进设计,着重对物料传送系统的关键部件——承载梁的进行优化设计,使设备更加紧凑合理,提高设备的定位精度和产品质量;根据生产线工艺流程和现场特点,选用OMRON CPM1A型PLC为主核心,接近开关作为检测元件,替代有触点开关,选用可编程终端代替常规面板按扭,并按照时序图科学合理地设计软件,有效地简化系统硬件构成,提高系统的可靠性,保证系统的稳定性,从而使生产更加通畅有序;从理论上探索将神经元应具有的自组织、自学习要求与PID控制结构简单、稳定性好的全自动纸浆模塑餐具生产线的研究特点结合起来,构成神经元自适应PID控制器,当参数的变化时,系统能自行参数整定,保持优良的工作性能指标,满足实际需求。
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Compilation of the plane trigonometry and spherical trigonometry book, spherical trigonometry to solve some problems in, and first proposed the introduction of auxiliary angle method to solve the triangle .
编撰了有关平面三角学和球面三角学的著作,解决了球面三角学中的若干难题,并首先提出引进辅助角的方法解三角形。
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The algorithm use our proposed heuristic to do output grouping for complex problems, and thus the equivalence checking problem can be converted into some circuit SAT problems, circuit SAT solver was used to solve these sub-problems.
对那些具有较多输出的复杂电路,为共享结构信息从而提高验证速度,使用输出分组技术将那些共享较多内部结点的输出转化为一个子问题,从而验证问题可转化为一系列验证子问题。
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The cognition of pure object is to solve all problems of its hypothetical object thoroughly. However, the solutions to the problems are not merely depended on the pure construction. Instead, it is necessary to design the improvable solutions to control the problems related to the properties of object and its relationships with others.
对纯粹性对象的把握目的在于从根本上解决原始经验性对象所带有问题,这些问题的解决不能单纯依赖"理想性建构"的平台所提供的支持性帮助,而必须针对对象的本质属性和之间的关系设计可持续改进的控制方案。
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With the idea of smoothing Newton method, we propose a new class of smoothing Newton methods for the nonlinear complementarity problem based on a class of special functions. In this paper, complementarity problem is converted into a series of smoothing nonlinear equations and a modified smoothing Newton algorithm is used to solve the equations. We use Newton direction and Gradient direction together in the algorithm which guarantees that our method is globally convergent. Also using another smoothing function, we reformulate the generalized nonlinear complementarity problems defined on a polyhedral cone as a system of smoothing equations and a smooth unconstrained optimization problem. Theoretical results that relate the stationary points of the merit function to the solution of the generalized nonlinear complementarity problems are presented, we use the modified smoothing Newton algorithm in generalized nonlinear complementarity problems, under mild hypothesis, a global convergence is proved.
本文一方面基于现有的各种光滑Newton法的思想和半光滑理论,利用著名的F-B互补函数的光滑形式,首先将互补问题的求解转化为求解一系列光滑的非线性方程组,然后给出了一种修正的光滑Newton法,该方法不仅放宽对函数F的要求,在Newton方程不可解时引入初始效益函数的最速下降方向,而且光滑因子的选择也比较简单可行,同时在适当的条件下,证明了其算法具有全局收敛性;另一方面,借助另一种F-B光滑函数,将多面体锥上的广义互补问题转化为一种光滑形式,讨论了优化问题的稳定点与广义非线性互补问题的解之间的理论关系,并将这种修正的光滑Newton法用于求解广义非线性互补问题中,在适当的条件下,该算法同样具有全局收敛性。
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However, numerical modeling for nonlinear seismic waves is faced with problems such as steep gradients, shocks and unphysical oscillations. Accordingly, some special treatments have been presented to solve these problems. However, in our knowledge, there is no effective method to overcome these problems by far.
非线性弹性波的数值模拟存在陡峭间断面、数值振荡以及误差的指数级增长等现象而破坏数值解的稳定性、收敛性,能否消减上述现象的不利影响成为制约数值方法有效与否的重要因素。
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This thesis studies a widely used first order optimzation algorithm--Sequential Linear Programming method, SLP is modify so that it can solve structural and shape optimization problems more efficiently, including continuous and dsicrete variables problems. Finally the zeroth order optimization method is presented for two dimensional shape optimization problems.
本研究将从一般广为设计者所采用的一次最佳化方法--线性序列规划法的修正研究,以使其更稳定且更有效率地解决在一般结构与形态最佳化问题,包含有连续式及非连续式设计变数的最佳化问题演算过程,最后应用零次最佳化方法概念在二维形态最佳化设计上。
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After analyzing the cause of uncertainty in the process of oil-field development, the uncertainty problems in reservoir description, residual oil distribution, oil production prediction and plan of oil increscent measurement were taken as examples to show that uncertainty method is the key to solve those problems. Many uncertainty methods such as random modeling, fuzzy mathematics, mathematical statistics and optimization were introduced in the application of solving uncertainty problems in the oil-field development.
在分析油田开发不确定性问题来源的基础上,以油田开发过程中的油藏描述、剩余油分布、油田产量预测和增产措施宏观规划等典型不确定性问题为例,说明了解决这类问题的有效手段为采用不确定性方法,包括随机建模技术、模糊数学、数理统计和最优化等方法;并逐~介绍了这些方法在解决油田开发不确定性问题中的应用。
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Under the new situation of socialistic marketing economy developed and in China and the globalization around the world, these type of enterprises also face many new problems. This paper gives some ideas and opinions of how to solve these problems and make these enterprises survive and develop. This paper consists of two parts:(1) Introduces the history of the Chinese state-owned trading enterprises and the main problems faced by them.
在社会主义市场经济的完善与发展和经济全球化的新形势下,企业也面临着很多新的问题,如何解决这些问题,使企业在新的形势下得以生存和发展,本文结合作者所在的企业和行业的情况就如何提高企业的竞争力提出了一些建议。
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The flow resistance of Ice slurry increases if the pipes obliquity increases. That means the ice slurry that in the level pipe has the largest flow resistance, the reason is: the gravitation make the flow became more and more foul-up, accordingly, lead to the increase of flow resistance. Sixthly, introduced all of the preparative tasks before we began the experiment, because we met many problems during the test, we had our own methods which could solve these problems. In this paper, problems and these methods were introduced.
随着管道倾角的增大,二元冰的摩擦阻力减小,也就是说相同条件下水平管道内的摩阻最大,这是因为重力的影响导致管道内二元冰和乙二醇分层现象更加明显,从而导致紊流程度增大,最终使得摩阻增大;第六,对二元冰蓄冷空调系统运行前的准备工作进行了介绍,由于在试验过程我们遇到了很多问题,针对这些问题,我们有自己的方法和解决办法,本文介绍了这些问题和相应的解决办法。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力