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Hard to extract Characters and accessible to light and accouterment are the main difficulties of Face Recognition ...

由于人脸是一种有弹性的局部可变形的非刚性目标,因而对面部特征的提取变得很困难,同时光照、饰物等干扰因素也增加了特征提取的难度,这是人脸识别技术存在的主要难题。。。。

Hard to extract Characters and accessible to light and accouterment are the main difficulties of Face Recognition technology.

由于人脸是一种有弹性的局部可变形的非刚性目标,因而对面部特征的提取变得很困难,同时光照、饰物等干扰因素也增加了特征提取的难度,这是人脸识别技术存在的主要难题。

AM may reduce the amount of extractable residues of acenaphthene, however, the extractable fractions account for 65.7%-81.7% of total residues of acenaphthene in soils after 55-day incubation, having a toxic risk to organisms.

AM作用能降低土壤中危可提取态残留含量;但培养55天后土壤中仍有65.7%~81.7%苊属于可提取态残留,对生物有毒害风险。

The non-desorbing fractions dominated the total residues of acenaphthene, and AM promoted the transformation between acenaphthene forms. The desorbing fractions and non-desorbing fractions of acenaphthene were 17.0%-37.8% and 5.4%-26.6% lower than the control, while the bound residual was 12.2%-89.5% higher than the control.

有机溶剂提取态是土壤中危残留的主要部分,AM作用促进了苊各形态之间的转化;接种AM后土壤1、2中范可脱附态和有机溶剂提取态残留量分别比对照降低了17.0%~37.8%和5.4%~26.6%,而结合态残留量比对照增加了

A mixed solvent of hexamethylene and acetone(1∶1) was used as extracted solvent.

以V∶V=1∶1为提取溶剂,优化了微波辅助提取的条件。

Objective To Optimize the extraction process of Salvia acid from Salvia miltiorrhiza.

目的 优化丹酚酸的提取工艺,提高丹酚酸B的提取率。

Compound enzymes of cellulose,pectolase and papain with ratio of 2 : 1 : 1 were used to isolate polysaccharides from laminaria,and influence of two different ways of addition of compound enzymes on polysaccharide extracting rate and polysaccharide content were studied.

采用复合酶法(纤维素酶、果胶酶、木瓜蛋白酶,比例为2:1:1)从海带中提取3种多糖,并分析了不同加酶方式对海带多糖提取率和含量的影响。

At the same time, the conditions of affine transform approximation are given in this chapter.

第三章在仿射模型的基础上,首先从函数空间的角度建立起不变特征提取的模型,将不变特征提取归结为寻找具有特殊性质的核函数。

Amounts of the glycyrrhizic acid were determined by ultraviolet spectrophotometry at 252 nm wavelengh. Result The best extraction conditions from decoct method were that amount of affusion wate was 200 mL, extract 2 times, boiling time was 5 min, crash time was 20 s.

利用正交试验4因素3水平选择最佳提取条件(包括加水量、提取次数、煮沸时间、粉碎时间、溶剂量、振荡时间、氨水浓度),用紫外分光光度法在252 nm波长处测定甘草酸含量。

The invention relates to a distilling and manufacture method agglutinin from loranthus plants.

本发明涉及一种桑寄生属植物中凝集素的提取或制备方法,属中草药提取或制备工艺技术领域。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。