纯净的

One of the goals of speech enhancement is to improve the quality and understandability of speech.

语音增强是一种信号的选择性处理技术，主要解决从受到不同方式污染的语音信号中，提取出尽可能纯净的目标语音信号的问题。

The Aristotelian view of the elements survived until the 17th century, when Robert Boyle proposed a theory of "primitive and simple, perfectly unmingled bodies," many more than four, that combine to form chemical compounds.

亚里士多德学派的元素观一直存在至十七世纪，直到罗伯特。波义耳提出了"原初的、简单的、绝对纯净的小体"理论——远远多于四种元素构成了化学混合物。

Ike curtains drawn across the landscape, the walls of the Toad River Valley yield to untracked forests and pure lakes in northeastern British Columbia.

如同拖曳过大自然风景的窗帘，蟾蜍河谷的谷坡让步于英属哥伦比亚北部人迹罕至的森林和纯净的湖泊。

It includes the following steps: extract trivalent iron ion and divalent iron ion in water phase through organic extractant, get predecessor of; absterge it with secondary distilled water for2-3 times and get pure load metal predecessor of organic phase; mix organic phase of Mg2 and Fe3 with mol rate of 1:2 and introduce them into autoclave, add distilled water according to the rate of 3:1 or 4:1 of organic phase and water phase and airproof it, and then mix it fiercely, stripping with hydrothermal method at temperature between 200 degree C and 300 degree C and make them react for 2.5 hours; cool it to the room temperature under natural condition, separate liquid and centrifugalize it, absterge it with absolute alcohol for 2-3 times and dry it at temperature of 50 degree C for 30-180 minutes, then get product of magnesium ferrite.

包括如下步骤：通过有机萃取剂来萃取水相中的三价铁离子和二价镁离子，制得有机相前驱物；用二次蒸馏水洗涤2-3次，获得纯净的负载金属有机相前驱物；按照Mg 2 和Fe 3 摩尔比1∶2将有机相混合均匀后引入高压釜中，按照有机相与水相的比例为3∶1或4∶1加入蒸馏水，密封后，对溶液进行强力搅拌，水热反萃的温度在200-300℃之间反应2.5小时；自然冷却至室温，分液，离心分离，用无水乙醇洗涤2-3次，在50℃下干燥30-180分钟，得铁酸镁产品。

With regard to the washing agent, we should select the neutral or alkalescent agent.

纯净的蒸馏水是最好的清洗剂，它对文物的损伤非常小，并且有很好的洗涤效果，若需要使用洗涤剂，洗涤剂为中性或弱碱性。

Liquor with uncooked materials is a kind of safe, hygeian and pure new technological liquor.

摘 要：回顾了生料糖化与发酵的研究历程，阐述了淀粉构造，生淀粉糖化机理，生料酒曲组分，生料酿酒和生料酒曲在大、小曲酒、黄酒生产方面的应用方法；以及与己酸菌、酯化酶共酵来提高酒质的技术措施；提出生料酒是一种安全卫生纯净的新工艺白酒。

Artist use pured colours and clean strokes to depict the subject which are between realistic and imaginary images.

画家用纯净的色彩，清晰的笔触创造出介于写实性和想像性之间的关于蛋糕的意象。

We do not need a beautiful scenary to fee the beauty of this world, the pure heart with love is enough for us to feel the beauty of this world.

感受生活的美好也许不一定依靠美丽的风景，这一点纯净的爱心已足以让人感受这个世界的美。

The first song was composed of piano melody and a clean female voice, and all of the lyrics were only "ah", one word! However, I was moved by the music immediately, and experienced the pure struck chord by the first time, tears streaming down. I quickly rubbed, strugglingly suppressed my vibration duing to cry and feared people who were seated behind me could find out.

第一首曲子，钢琴和一个纯净的女声，全部歌词只有&啊&一个字，可是那音乐一下子就打动了我，我这是第一次体验被纯粹的音乐拨动心弦，眼泪流下来，我赶紧擦，拼命压抑着身体因抽泣而引起的颤动，怕后面的人看出来。

Fudge acquiesces to Lucius, impressed with the "purity" of his Wizarding blood and sizable sums of Galleons he donates.

鉴于卢修斯&纯净&的巫师血统和他捐赠的相当可观的金加隆，福吉也默许了他的行为。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。