The SEM analysis shows the nano-size roughness on the plasma treated or chemical surface modified wool scales.Wenzel equation and Cassie and Baxter equation are used to illustrate the relationship between surface roughness and contact angle,then to reveal the reasons why surface modifications are able to impart an improved water repellence and oil repellence and stain resistance to wool.

SEM研究結(jié)果表明，經(jīng)低溫等離子體表面改性或特定化學(xué)改性后的羊毛鱗片表面呈現(xiàn)納米尺度的溝槽和凹凸結(jié)構(gòu)欧美久久黑人一级c片，應(yīng)用Wenzel公式和Cassie and Baxter公式闡述了表面粗糙度與接觸角的關(guān)系一级黄片中文字模，揭示了羊毛表面改性對于提高拒水拒油整理效果的原因所在。

Those are red letter days in our lives when we meet people who thrill us like a fine poem, people whose handshake is brimful of unspoken sympathy, and whose sweet, rich natures impart to our eager, impatient spirits a wonderful restfulness which, in its essence, is divine.

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Primary and secondary school will impart to you only some rudiments of knowledge.

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Primary and secondary school will impart to you only some rudiments knowledge .

由小學(xué)到中學(xué)，所修習(xí)的無非是一些普通的基本知識欧美激情动图。

Many brands of feeling are presented in the bazaar and you can corrosion also the primordial heirloom ones or someplace impart shoes that salacity ice up your impersonate.

許多品牌的感覺A片在线观看亚洲成AV，列于集市，您也可以腐蝕的原始傳家寶或某處傳遞鞋好色冰你的模擬国产精品无码免费专区夜。

We know diseases of stoppings and suffocations are the most dangerous in the body; and it is not much otherwise in the mind; you may take sarsaparilla to open the liver, steel to open the spleen, flower of sulphur for the lungs, castoreum for the brain; but no receipt opens the heart, but a ture friend; to whom you may impart griefs, joys, fears, hopes, suspicions, counsels, and whatsoever lies upon the heart to oppress it, in a kind of civil shrift or confession.

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He is at home in any society; he has common ground with every class; he knows when to speak and when to be silent; he is able to converse; he is able to listen; he can ask a question pertinently, and gain a lesson seasonably, when he has nothing to impart himself

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He is at home in any society, he has common ground with every class; he knows when to speak and when to be silent; he is able to converse, he is able to listen; he can ask a question pertinently, and gain a lesson seasonably, when he has nothing to impart himself; he is ever ready, yet never in the way; he is a pleasant companion, and a comrade you can depend upon; he knows when to be serious and when to trifle, and he has a sure tact which enables him to trifle with gracefulness and to be serious with effect.

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The first kind of vile practice is when people stingily refuse to impart knowledge and skills to those who seek instruction , out of fear that others will surpass them .

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The design and synthetic modifications of ligand structure in organic chemistry will impart new biological properties to the technetium complexes.

在有機化學(xué)界對於鎝-99m錯化合物之螫合劑結(jié)構(gòu)的設(shè)計與合成或修正之研究提供在體內(nèi)新的生物性質(zhì)在线视频图区。