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The fundamental of non-negative matrix factorization algorithm. It is used to extract EEG power spectrum feature. Artificial neural network is employed as classifier.

介绍了非负矩阵分解算法的基本原理，给出一种利用NMF 进行脑电能量谱特征提取的方法。

Whereas the fungibility of nearly all other economic goods is more or less circumscribed and is often only a fiction based on an artificial commercial terminology, that of money is almost unlimited.

几乎所有其它经济财的替代性或多或少都要受到条件的限制，常常只是一个拟定，建立在人为的商业术语上，而货币的替代性却几乎不受限制。

Objective: To evaluate the effects of PRP on the proliferation of periodontal ligament fibroblasts and the implantation of autologous growth factors and/or PDLFs to canine artificial furcation defects.

目的 研究自身生长因子PRP对牙周膜成纤维细胞增殖的影响，并和自体PDLFs移植修复犬慢性牙周组织缺损。

In this study, to evaluate the effects of MSCs in periodontal regeneration, MSCs of dogs were cultured in vitro and were implanted to artificial furcation defects combined with cuttlebone-transformed-hydroxyapatite.

骨髓基质细胞具有与PDLCs相似的多向分化潜能，较PDLCs来源丰富、取材简单、对机体的损伤小的优势。

In order to explore the formation rule of the furring on the heat exchanger surfaces in the study of electromagnetic anti-fouling technology, a lot of fouling experiments using artificial high hardness circling water were made.

为了探索换热表面水垢的形成规律，为抗垢器的应用研究打基础，开展了人工配制高硬度水循环在换热面的结垢实验。

Three transgenic lines with improved resistance to Fusarium wilt were selected by natural occurrence and artificial inoculation.

对T3 代株系进行田间自然发病和人工接种鉴定获得 3个抗枯萎病的株系。

It is well known that the emergence of intelligent control has made it conducive to integrate fuzz logic control and artificial neural networks and expert system for the development of control systems.

正如大家所知道的，在控制系统发展中，智能控制技术的出现有益于逻辑控制、人工神经网络技术和专家模糊系统的一体化。

This thesis focuses on the intelligent control strategies based on fuzzy logic and artificial emotions.

本文的研究内容是基于模糊逻辑和人工情感的智能控制策略。

With Velox, they could rely on artificial light, which at the time usually meant gaslight but soon came to mean electric

有了Velox，摄影师们可以依赖人造光，如当时通常用的煤气灯，以及不久后出现的电灯。

With Velox, they could rely on artificial light, which at the time usually mean t gaslight but soon came to mean electric

有了Velox，摄影师们可以依赖人造光，如当时通常用的煤气灯，以及不久后出现的电灯。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。