查询词典 extraction

Linear feature extraction in feature space corresponds to nonlinear feature extraction in input space.

特征空间中的线性特征提取对应于输入空间的非线性特征提取。

To Dabaoshan copper ore, at slurry concentration of 10%, lixivium pH of 2. 0, with the domesticated bacterial, copper extraction could reach 27. 84% after 25 days leaching in sample 1〓, in which low grade copper sulfide ore is the main component; in sample 2〓, hypo-sulfide ore is the main component, copper extraction could reach 77. 78% after 10 days leaching.

大宝山铜矿石细菌浸出工艺条件试验研究表明，对于以低品位硫化矿为主的1〓矿，当矿浆浓度为10％、浸出液pH2.0，采用驯化的菌种浸出25天，Cu浸出率可达27.84％；在相同浸出条件下，对于以次生硫化矿为主的2〓矿，浸出10天，Cu浸出率可达77.78％。

Constrained by the triangle constraint integrated with the conventional epipolar geometric constraint, the local continuity constraint is enforced by changing the constraint areas dynamically according to the local texture density. 3 The topographic structure extraction and analysis based on grid DEMs are investigated in this dissertation, the topographic structure extraction approach fills depressions by adopting vector processes combined with traditional neighborhood raster processes, assigns flow direction over flat by applying a neighbor-grouping scan method.

2提出了一种基于核线影像对和良好匹配点三角形局部连续性约束和顺序约束下的影像匹配方法，该方法利用已知良好匹配点在Delaunay TIN的约束下进行纹理自适应的匹配传播，同时利用新的匹配点对Delaunay TIN进行动态细化使得局部几何约束区域的大小自动适应影像纹理特征的变化，从而得到更加可靠的影像匹配结果。

Thus, the rate of benefit extraction can display extreme discontinuities or lumpiness because the user can accelerate or slowdown the rate of benefit extraction.

因此，受益的提取率可以显示极端间断或凹凸不平，因为用户可以加速或减速的速度受益提取。

Considering the non-stationary specialties of AE signals, the diamond blunt feature extraction method based on bispectrum was studied. Furthermore, the diamond blunt feature extraction method based on main diagonal slice of normalized bispectrum magnitude of AE signal was proposed.

深入研究了砂轮修整过程中声发射信号的产生机理及其时频特征，提出了基于声发射信号的小波包频带能量分解的金刚石笔钝化状态特征提取方法；将高阶累积量和双谱理论引入到金刚石笔钝化状态的特征提取中，提出了基于声发射信号归一化双谱模对角切片的特征提取方法。

The method extracts a quantity to be evaluation index with total yellow ketone, on foundation of affirmatory mellow pH indicator, choice alcohol dosage , extraction time , extraction is inspect an element, use L9(34) of orthogonal trial law to decide alcohol extracts the optimal craft that ketone always fizzles out in old marabou grass.

方法以总黄酮提取量为评价指标，在确定醇浓度的基础上，选择乙醇用量、提取时间、提取温度为考察因素，采用正交试验法L9(34)确定醇提取老鹳草中总黄酮的最佳工艺。

The extraction and isolation conditions of chlorophyll were studied using the leaves of Indocalamus herklotsii McClure with supercritical CO2 extraction.

采用超临界CO2萃取技术，研究了从箬竹叶中提取叶绿素的工艺。

The extraction medicament used in extraction is mostly flammable, volatile and harmful to human body and the society.

其中萃取法所采用的萃取剂大多是易燃、易挥发而且对人体和社会都具有危害性。

Objective:To study the extraction in the processes of Weitongliying Soft Capsule after extracted by Supercritical carbon dioxide fluid.Methods:The most appropriate technology was screened based on the comparative study among the technology of ethanol circumfluence,ultrasonic extraction,water warm immersion and water decoction,with the concentration of menstruum, volume and extracting time as the evaluating factors,on the basis of orthogonal design.

目的：研究胃痛立应软胶囊制备中二氧化碳超临界流体（SFECO2）萃取后药材的提取工艺方法：对比乙醇回流、温浸、超声及水煎等提取工艺，以溶媒浓度、用量、提取时间研究因素，经正交设计进行提取工艺条件的优选。

The microwave-assisted extraction and Florisil solid phase extraction conditions were optimized. Under the optimum condition, the recoveries of 18 organochlorine pesticides (α-HCH,β-HCH,γ-HCH,δ-HCH, heptachlor, aldrin, heptachlor epoxide, endosulfan Ⅰ, p, p'-DDE, dieldrin, endrin, endosulfan Ⅱ, p, p'-DDD, o, p'-DDT, endrin aldehyde, endosulfan sulfate, p, p'-DDT, methoxychlor) were

优化了微波萃取和固相萃取柱净化条件，在最优条件下18种有机氯农药（α-HCH、β-HCH、γ-HCH、δ-HCH、七氯、艾氏剂、环氧七氯、硫丹Ⅰ、p，p'-DDE、狄氏剂、异狄氏剂、硫丹Ⅱ、p，p'-DDD、o，p'-DDT、狄氏剂、异狄氏剂醛、硫丹硫酸酯、p，p'-DDT、甲氧滴滴涕）的回收率在

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。