查询词典 semi-infinite

A L∞bound estimate is provided on the solutions of a semi-linear parabolic system by the theory of phase transitions.The existence of solutions of corresponding hyperbolic system of conservation laws is studied by viscosity methods and compensated compactness framework.

讨论来源于物理相变理论的一类半线性抛物型方程组解的一致L∞估计，该结果是利用粘性法和补偿列紧框架研究相应的双曲型守恒律解的存在性的重要内容。

The effects of process parameters on microstructures of hypereutectic Al-Si semi-solid slurry were investigated.

摘 要：研究超声振动制备过共晶Al-Si合金半固态浆料中工艺参数对半固态浆料组织的影响规律。

The impact toughness of samples with semi-solid microstructure was measured and quantitative compared with that of normal hypereutectic high chromium cast iron.

也对半固态高铬铸铁试样和正常态高铬铸铁试样进行了冲击韧性试验，并通过定量比较，总结和分析了冲击韧性值随半固态浆料温度的变化以及影响因素。

Under certain temperature of slurry, the semi-solid microstructure with certain shape and size was obtained, with which both impact toughness and wear resistance of hypereutectic high chromium cast iron were enhanced.

在合适的半固态浆料温度下，可以制备出具有一定尺寸和形状的半固态组织，不仅有利于提高过共晶高铬铸铁的韧性，而且也有利于提高其耐磨性。

Experimental results indicate that the new method yields higher precision and speed than classical SVM multi-class classification methods. support vector machine ; multi-class classification ; semi-fuzzy kernel clustering ; hypersphere

处理该类问题时，由于分类数目多、训练样本规模大，在已经出现的SVM分类方法中，一次性求解方法因计算复杂度过高、精度较低而不实用。one-against-one(1v1)方法、Directed Acy

For better display effects, this program has employed a semi-automatic method to separate the skull, the hypoderm and the ventricles.

为了达到良好的显示效果，本程序采用半自动方式分割颅骨、皮下组织和脑室。

For better display effect s, this program has employed a semi-automatic method to separate the skull, the hypoderm and the ventricles.

为了达到良好的显示效果，本程序采用半自动方式分割颅骨、皮下组织和脑室。

For better display effects, this program has employ ed a semi-automatic method to separate the skull, the hypoderm and the ventricles.

为了达到良好的显示效果，本程序采用半自动方式分割颅骨、皮下组织和脑室。

Results Two new characterizations of regular rings are given.(1) If R is a left SF'-ring and R/Z is reduced, then R is strongly regular;(2) R is strongly regular if and only if R is a left SF'-ring whose every idempotent element of R is left semi-center and is LANE-ring.

结果 得到了SF'-环是强正则环的两个充要条件：(1)R是左SF'-环，如果R/Z是约化的，则R是强正则环；(2)R是强正则环当且仅当R是满足幂等元左半中心的左SF'-环，且R是LANE-环。

Methods SF -rings are discussed on condition that every idempotent element is left semi-center and SF -rings are LANE-ring.

在幂等元是左半中心的和LANE-环的条件下讨论SF'-环。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐