核的

We combine two typical kernel functions by means of convex combination. The weighting coefficient and other kernel parameters are optimized by an improved GA.

具体地说，本文主要有以下几个创新点：1、适当核函数的选择和核参数的优化一直是核方法应用的关键和难点。

We construct the eukaryon expression vector containing the tRNA-CTE hybrid ribozyme gene successfully which is the foundation for further study.

结论tRNA-CTE复合核酶真核表达载体的成功构建，为开展利用tRNA-CTE复合核酶切割HCV RNA的研究奠定了基础。

The effect of contact resistance,liquid nugget temperature and phase transformation latent heat on spot welding nugget thermal field is fully considered.

在充分考虑接触电阻、液态熔核温度、相变潜热等因素对点焊熔核温度场影响的条件下，建立了65 Mn弹簧钢点焊熔核温度场的有限元模型。

Different from the existing kernel feature extraction methods, the kernel function used in the proposed one is not required to satisfy Mercers theorem so that they can be chosen from a wide range.

与现有的核特征抽取方法不同，该方法不需要核函数满足Mercer定理，从而增加了核函数的选择范围。

The genes of hammerhead ribozymes targeting against two and three sites on negative strand of potato spindle tuber viroid were designed, synthesized and cloned according to the action manner of hammerhead ribozyme.

根据锤头型核酶的作用模式，设计、合成并克隆了特异切割马铃薯纺锤形块茎类病毒负链RNA不同区域位点的双价和三价锤头型核酶基因。通过体外转录，将PSTVd负链RNA分别与双价和三价核酶混合，37℃温育 2h。

Following intracarotid injection of capsaicin (10μmol, 0.1 ml), the ELI neurons were markedly increased in nucleus paragigantocellularis lateralis, locus coeruleus, area postrema and nucleus tractus solitarius, as compared with the results of vehicle-control rats, while the FLI neurons of raphe nuclei and periaqueductal gray were not affected.

与对照组相比，颈总动脉注射辣椒素(10μmol， 0.1 ml)时，脑干内巨细胞旁外侧核、蓝斑、最后区和孤束核等部位的FLI神经元显著增加，而中脑中央灰质和中缝核群的FLI神经元则无明显改变。

Cases of other connective tissue diseases exhibit various positive rates but the titres are comparatively lower.

另发现所有的阳性核型均以核周型为主，认为该型并不是 SLE 的特有核型。

The theoretical models for investigating the fusion mechanism of heavy nucleus collisions and calculating the formation cross sections of superheavy nuclei have been introduced.

介绍并讨论了研究超重核合成的主要理论模型以及近年来在研究重核熔合机制和超重核合成理论模型方面的进展。

The natural degeneration model of the nucleus pulposus of intervertebral disc of rabbits in vitro was successfully e stablished.

通过体外培养兔髓核细胞并进行自然传代，随着传代次数的增加，髓核细胞呈现自然退变现象，为髓核细胞退变机理的研究提供了细胞学基础。

Thermoprproperties of 7 nucleators -CaCl2·6H2O composites such as borax, SrCl2·6H2O,Ba2·8H2O were researched with gradually cooling method and TGA-DSC under room temperature cooling,open system and icewater cooling, closed system.

用步冷曲线法和TGA-DSC联用研究了室温冷却开放体系和冰水浴冷却封闭体系两种工况下硼砂、SrCl2·6H2O、Ba2·8H2O等7种成核剂-CaCl2·6H2O复合体系的储热性能，探讨了工业级CaCl2·6H2O原料中主要杂质NaCl和MgCl2对成核剂成核作用的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。