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Then followed the discovery of a new compound. 接着又发现了一种新的化合物。
Then followed the discovery of a new compound . 接着又发现了一种新的化合物。
Chemists combine different elements to form new compounds. 化学家结合不同的元素形成新的混合物。
A new compound La 2-x Sr xCa 0.5 Pr 0.5 Cu 2O 6 was synthesized. 合成了La212型新化合物La2－xSrxCa0.;5Pr0
Conclusions The diterpene compound is a new compound. 结论此二萜类化合物为新化合物。
The inorganic whisker is a special one in the High-tech new compound material. 无机晶须材料是高技术复合材料中的一种特殊成员，
Many words that occur in the first edition are used in new senses and enter into new compounds. 第一版中的许多词现已用于新义并复合成新词。
The structures of new compounds 7 and 8 were identified by 1H NMR, 13C NMR and HRMS spectra. 新化合物7,8经核磁共振氢谱、碳谱和高分辨率质谱予以证实。
The new compound material can increase the coating's resistance to acid. 新的化合材料可增加涂层的抗酸性。
Compounds 1 and 2 are new compounds,some compounds showed cytotoxic activities on SF-268,MCF-7 and HepG2 cell lines. 其中化合物1和2为新化合物,部分化合物显示一定的细胞毒活性。
This is a very active research area and new compounds are being disclosed very rapidly. 这是一个十分活跃的研究领域,新的化合物正在很快发现。
All these new compounds were characterized by their ~1H NMR, ~(13)C NMR, MS, HRMS/elemental analysis. 所有新化合物均经~1HNMR、~(13)CNMR、MS、元素分析或者HRMS确定结构。
A chemical reaction between two compounds in which parts of each are interchanged to form two new compounds. 两种化合物互相交换物质形成两种新的化合物的化学反应过程。
Twelve thioxanthone carboxylic amides have been synthesized.They are new compounds. 合成了12个噻吨酮酰胺类光引发剂，它们均为新化合物。
Cr participated inhydrating reaction and formed new compounds,which was similar with Afm instructure. 铬元素参与水泥水化反应生成类似于单硫型水化硫铝酸盐结构的含铬结晶相。
It was showed that the new compounds had both herbicidal and fungicidal bioactivity. 经除草和杀菌生物试验表明，这类新化合物具有一定的生物活性。
To synthesize new compounds, chemists have followed the time-honored recipe of stirring together the reactants and heating the resulting mixture. 为了合成新的化合物，化学家们总是按照古老的做法，把各种反应物放在一起搅拌，再对这样得到的混合物进行加热。
In simple terms, it aims to create new compounds by controlling the transfer of atoms groups in a highly efficient and selective manner. 简单来说,是研究有选择性地控制物质的原子的转移,从而创造新的化合物。
Thirteen of them are new compounds named yemuoside YM_1(1), YM_2(2), YM_6(3),YM_(7---14)(4---11),I(12) and II(13), respectively. 通过光谱和化学分析的方法，推定了十三个为新化合物，分别命名为野木瓜甙YM_1(1)。
Based on it, the synthesis method has been improved. Several new compounds have been prepared by the Grignard reaction of its hydro-genation product. 在此基础上,改进了它的合成方法,并通过它的氢化产物的格氏反应,制备了一些新的化合物。