Fullerene, the third carbon allotrope besides graphite and diamond, was discovered by Kroto et al. in 1985. Since then, the studies of fullerenes has become the worldwide hot topic and significant progresses in many fields have been achieved.

富勒烯為除金剛石和石墨外碳元素的第三種同素異形體欧美黑粗长，自Kroto等1985年發(fā)現(xiàn)以來尤物精品国产综合久久9420，對富勒烯的研究一直是世界性的熱點(diǎn)話題欧美操逼网址，并在多個方面取得重要進(jìn)展欧美激情中文字幕第八页视频。

White phosphorus is a common allotrope of the chemical element phosphorus which has found extensive military application as an incendiary agent, smoke-screening agent, and as an antipersonnel flame compound capable of causing serious burns.

白磷屬于磷元素的一種同素異形體5060一级永久免费毛片，這種化學(xué)物質(zhì)被廣泛應(yīng)用于軍事燃燒彈甜蜜蜜手机在线观看，煙幕彈的制作中，其殺傷性燃燒混合物可以造成嚴(yán)重的燒傷理论片235电影。

The Ds of amphibole, clinopyroxene and garnet are consistent with the previous studies under similar conditions, which indicates that the state of the starting material has little effect on the Ds between minerals and melt.

這說明無論實(shí)驗(yàn)的初始物質(zhì)是粉末狀還是塊狀AV藏精阁网站在线观看，對元素的分配沒有太大的影響十大黄色网站视频网站视频。

The Concentrations of six trace metals and the three major elements in Japanese anchovy collected from Yellow Sea were measured.

測定了在黃海采集的各種體長的鳀魚中6種痕量金屬（Zn、Cu超碰人人白浆国产五十、Fe美女视频黄频a美女、Al、Mn和Sr）和3種主要元素的濃度白白发布精品视频在线播放。

It is shown that, as a result of the interstitial impurities, the number of atomic states increases, bond structures become seriously anisotropic,β→α transformation becomes hindered, and the phase transformation in the intermediate content becomes very complex.

表明亚洲91精品成人网站，間隙雜質(zhì)提高了合金元素的原子雜階，引起鍵結(jié)構(gòu)呈嚴(yán)重的各向異性亚洲国产小电影你懂的，阻礙了β→α相轉(zhuǎn)變黄色网站日韩在线观看，導(dǎo)致中間成分相變的復(fù)雜性。

Early chemists had to use indirect means for determining the atomic mass of an element .

早先的化學(xué)家只得用間接的方法來確定某種元素的原子質(zhì)量另娄69XXXXX。

The fact that only certain colors appear in an element's atomic emission spectrum indicates that only certain frequencies of light are emitted.

事實(shí)上无码秒播成人网站免费，只有特定的顏色在一個元素的原子發(fā)射出現(xiàn)光譜表明，只有根據(jù)某些頻率的發(fā)射美女一级黄色网站视频。

Isotopes have the same atomic number but different mass numbers.

同一元素的同位素有相同的原子序數(shù)不同的質(zhì)量數(shù)国产黄色视频在线观看高清。

Studies of the chemical processes occurring within these compartments and the flux of elements between them (which are fundamentally altered and affected by biotic processes) is termed biogeochemistry.

研究在這些區(qū)域內(nèi)發(fā)生的化學(xué)過程和圈層間元素的流動(通過生物過程產(chǎn)生了功能性的改變和影響)，稱為生物地球化學(xué)人人澡人摸人人添av。

A relation between the inverse elements is found, and a new algorithm for inverting a block tridiagonal matrix is established.

當(dāng)考慮該表達(dá)式的結(jié)構(gòu)特征時911亚洲精品国内自产麻豆，可得到塊元素的遞推關(guān)系式，由此得到一個求逆矩陣的新算法一区国产在。