In this paper, using southern mixed bamboo as raw material, the properties of bamboo pulp were investigated by pre-extracting hemicellulose and its re-adsorbing onto pulp.
本论文以南方混合竹片为原料，考察了半纤维素热水预提取及其沉积对竹子制浆造纸性能的影响。
A method for pre-extracting support vectors based on concentric hyperspheres division is presented in this paper, and HD-SVM algorithm based on this method is presented also.
提出了一个基于同心超球面分割的支持向量预抽取方法，并在此基础上给出了HD - SVM训练算法。
The aim of image pre-processing and feature extracting is to get feature vectors from tire-code characters.
整个识别过程包括字符定位、图像增强、字符倾斜校正、单个字符分割、归一化处理和特征选择与提取。
The research takes the defatted soybean meal as raw material, pre treatment by microwave to improve the extracting efficiency.
本研究以低温脱脂豆粕为原料，利用微波对其进行前处理，以提高浸提效率。
This method contains steps as follows: pre-processing raw material, adding extracting agent which contains ionic liquid, centrifuging, filtering, purifying and condensing the extracting liquid.
该方法包括下列步骤：原料预处理，加入含离子液体的萃取剂，萃取液离心、过滤、纯化、浓缩即可。
This system mainly include three parts-image pre-processing, extracting image features, shot boundaries detection and key-frame extraction.
该视频镜头边界检测系统主要包括三个部分——图像预处理、图像特征提取、镜头边界检测及关键帧提取。
Introduced some methods of image processing, such as Pre-processing, extracting contour, parameters calibration, and developed the detected software.
介绍了图像处理技术中的预处理、边缘轮廓提取、参数标定等技术，并研制了相应的检测软件。
Pre-extracting hemicellulose sugars from eucalyptus chips by pre-hydrolysis with hot water was carried out, and then the kraft pulping was proceeded.
利用水预水解法先提取桉木片中的半纤维素，然后对水解后的木片进行硫酸盐法蒸煮。
The method can solve the technical problem of pre-extracting the coal bed gas of a coal bed, in particular for a low-permeability coal bed.
本发明可以解决煤层、特别是低渗透煤层的煤层气的预抽采技术难题。
The method can solve the technical problem of pre-extracting the coal bed gas of a coal bed, in particular for a low-permeability coal bed.
本发明可以解决煤层、特别是低渗透煤层的煤层气的预抽采技术难题。
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