查询词典 cubic

In addition, different reaction parameters have been further studied on the synthesis of cubic mesoporous silica.

这种立方介观结构的磷酸氧锆介观结构材料具有很高的热稳定性。

The adjoint operator method and the theory of normal form are used to investigated the normal forms in the four dimensional nonlinear systems with cubic nonlinearities. We give two methods to compute the normal form for the four dimensional nonlinear systems. The corresponding Maple programs are also given in the appendix. The results obtained in this dissertation have a completely agreement with the results obtained in other papers.

利用共轭算子法和规范形理论研究了含有三次非线性项的四维系统的规范形，给出了计算四维非线性规范形的两种算法，给出了相应的Maple符号推导程序，所得到的结果与其它文献所得结果完全一致。

Befesa agua manages 2.5 million tons of waste per year and has the capacity to desalinate more than one million cubic meters of water per day.

西班牙百菲萨水务公司是一家专门从事工业废物综合管理及水务的国际公司。

LMF shipboard compressor can guarantee the proper work of airgun with 420 cubic inch on GCU - 8 system .

LMF船用空压机可满足GCU—8系统420in~3工作容积气枪的正常生产，具有完备的自动保护功能，是浅海勘探的优选装备。

This paper first summarizes recent researches on this topic, and then proposes some methods for curve modeling with cubic algebraic curve based on pure geometric constraints that involve control points, tangent directions and curvatures.

然后提出了一种基于几何约束的三次代数曲线的插值方法，该方法完全通过几何量如控制顶点、切线和曲率来控制三次代数曲线的形状，使得对三次代数曲线的编辑与对三次 B-样条曲线的编辑一样灵活方便。

And this method can parametrize a kind of cubic algebraic surface, which plays an im...

最后，这种方法还较容易自动化实时实现。

It can save 3 cubic meters wood and 300 kg of alkali.

它能够节省3立方米的木材和300千克的碱。

Results: The imprecision of six diluent concentrations in duplicate was 2.68%, the best fit model was the cubic equation. The deviaton from linearity of the first concentration was 42.3%, exceeding the 5% clinical allowable error. DLs of the other concentratons were within limit.

结果：六个稀释浓度样本重复测定的不精密度为2.68%，三次多项式为最适拟合模型，第一个稀释浓度的非线性程度达到42.3%，超过5%的允许范围，为临床不可接受，其它五个稀释浓度的线性偏离均在允许范围内。

The synthesis of pure siliceous and aluminosilicate and various hetero-atoms substituted MCM-48 cubic mesoporous molecular sieves has been studied systematically.

系统考察了全硅和硅铝及各种杂原子取代的MCM-48立方相中孔分子筛的合成。

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Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。