extract timing meaning in English
提取时间拍点
Examples
- The ultraviolet absorbance of the extraction liquid didn ' t relate to the sample weight or the extracted time
化探样萃取液的紫外吸光度与萃取时间及称样量关系不大。 - The optimum method of tta extraction : the extracting agent cocentration is 0 . 5mol / l , the diluent is xylene , the extracting media is nitric acid , its concentration is 4mol / l , the extracting time is lomin
Tta萃取分离的最佳分离方案：萃取剂浓度为0 . 5mol / l ，稀释剂采用二甲苯，采用4mol / l的硝酸做为萃取介质，每次萃取时间为10min 。 - Methods with the content of the gentionpicrin as the index , the orthogonal test method was used for studying the effect of four factors ( alcohol concentration , the amount of alcohol , digestion times , extracting time ) on extracting rate
方法：采用正交试验法，以龙胆苦苷为检测指标，用正交试验考察4种因素（乙醇浓度、溶媒用量、浸提次数、提取时间）叶其含量的影响。 - Abstract : the chromium leaching - out toxicity was determined with different extraction agents , different extracting time , different solid - liquid rate and different extracting method . in accordance with petroleum drilling engineering and protecting environment , a test method suited to evaluate the leaching - out toxicity of waste drilling mud was suggested
文摘:以铬为分析指标，探讨了钻井废弃泥浆在不同的提取剂、不同的提取时间、不同的固液比以及不同的提取方式下铬的浸出毒性大小，提出了适合评价钻井废弃泥浆中铬的浸出毒性的试验方法。 - The wavelet packet transform is investigated as a novel means of extracting time - frequency information and reducing dimensions of feature from vibration signal in the infinite time domain . neural network is discussed as a pattern classifier to finish damage pattern classification by inputting node energy feature vector
小波包变换以其特有的高频分辨率能够实现对结构振动信号的特征提取，可以把时域无限的测试振动信号降维，得到有限个节点能量信号构成的特征指标。