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A great number of facts of language show:sound-shift is an extraordinary complicated phenomenon related to a lot of reseach area in phonology xun gu xue , historical dialectology, historical lexicology, character and etc.

本文所谓音转,是指同源词、方言词、联绵词、通假字以及人名、地名、名等在发展使用过程中所产生的语音变化。

The invention relates to a synthesis method of aromatic diamine monomers, in which object products are obtained by condensation and reduction.

本发明涉及芳香二胺类单体的合成方法,通过缩合、还原得到目的产物。

A kind of new diamine monomer of modified polyimide with piperazine was synthesized, which has been used in the synthesis of modified polyimide by ternary copolymerization .

合成一种含哌嗪的芳香二胺单体,将其用于聚酰亚胺的三元共聚中,并制成改性聚酰亚胺膜。

1 List the elements in Group 13, 14, and 15 and indicate the ones that are diatomic gases

列出13, 14,和 15的元素,并指出哪些是双原子气体,非金属,准金

The tea polyphenols have been determined by spectrophotometric analysis using the principle of colored compounds produced by the diazonium coupled reaction.

利用芳香伯胺重氮化偶合生成有色化合物的原理,建立了分光光度法测定茶多酚含量的方法。

The paper discloses a process for diazotization fluorination of aromatic primary amines utilizing sodium nitrite and anhydrous hydrofluoride to produce the corresponding diazonium fluoride which is decomposed, usually by heat, to make the desired fluoroaromatics .

本文通过重氮化工艺路线的改进,在液态氟化氢中进行重氮化和重氮盐的热分解,提高了芳香氟化物的收率,并且使重氮化反应工艺能应用于工业化生产。

Diazonium salt which was formed by reaction of diazotization of eldest aromatic amine then coupling with N-(1-naphthyl)-ethylenediamine dihydrochloride,in NH_3·H_2O-NH_4Cl solution showed a sensitive polarographic wave at peak potential of 0.58vs,SCE.

本文报道了芳香伯胺的重氮-偶氮化反应所生成的偶氮化合物在NH_3·N_2O-NH_4Cl底液中,在单扫描极谱上,峰电位-0.58V

Finally today, Australia's leading didgeridoo player, William Barton, has staged a new orchestral work combining classical and indigenous music. The piece tells the story of his tribe's 15-year battle against European settlers. We'll leave you with these images. Good bye.

今天的最后,澳洲的著名原住民乐器演奏者威廉巴顿,他透过管弦乐结合了古典乐以及原住民音乐,这首歌诠释该与欧洲殖民者长达十五年的战争,请您观赏,感恩您看大爱英语新闻,再会。

The present invention relates to a rubber composition including 100 parts by mass of a rubber component including a natural rubber and/or a diene rubber and 0.5 to 80 parts by mass of a biodegradable aliphatic polyester.

本发明涉及相对于含有天然橡胶及/或二烯烃系橡胶的100质量份橡胶成分,进而在0.5~80质量份的范围内含有生物降解性脂肪聚酯的橡胶组合物。

The solution of partial differential equation is stream function, which is made of a group of stream surfaces.

流场的偏微分方程的解为流函数,它由一流面构成。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。