head retention是什么意思

网络释义

用法例句

Preparation and Property of Polyimide Foams;

聚酰亚胺泡沫的制备与性能

Present State of Art of Polymethacrylimide(PMI) Foam Research;

聚甲基丙烯酰亚胺(PMI)泡沫研制现状

Preparation and structural characterization of polymethacrylimide foams;

聚甲基丙烯酰亚胺(PMI)泡沫制备及结构表征

Study of foaming and thickening performance MeGA-12 shampoo system;

N-十二烷基葡糖酰甲胺香波体系的泡沫及增稠性能

Control Strategeis of Activated Sludge Bulking and Foaming and Exploitation of Database System;

活性污泥膨胀和泡沫的控制研究及其数据库开发

5%) is used as foaming agent.

8g/cm3的泡沫修井液体系。

The gray run length and its statistical texture features of coal flotation froth image;

煤泥浮选泡沫图像灰度行程及其统计纹理特征

Chengdu Real Estate Market Froth Research;

成都市房地产市场泡沫研究

Experiment was conducted on laboratory-scale flotation column to deal with characteristic of a grey scale histogram of coal slime flotation froth image.

针对煤泥浮选泡沫图像灰度直方图特征问题,进行了实验室浮选柱试验,采集了50组煤泥浮选泡沫图像,分析了泡沫图像及其直方图的类别及形态,提取了浮选泡沫图像直方图统计纹理特征参数,研究了泡沫直方图统计纹理特征参数随浮选时间的变化关系。

An analysis of generation of real estate bubbles;

房地产泡沫形成机理分析

Research on the Measurement Model of Stock Market Bubbles Based on Expectations;

基于预期的股市泡沫度量模型研究

OGY Chaos Control Strategy for Real Estate Investment Bubbles;

房地产投资泡沫的OGY混沌控制策略

Research on Bubbles in China Stock Markets;

中国股票市场泡沫现象研究

Research on Risk Management of the Real Estate Bubbles in TianJin;

天津市房地产泡沫风险控制研究

The tendency of the real estate in China is moving well,but,to some extent the "bubble" exists.

认为我国当前房地产业的走势是总体运行良好、但局部存在"泡沫"。