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- Aim Synthesis of nitrogen heterocycle ferrocenesulfonyl amide was studied. 目的 研究氮杂环二茂铁磺酰胺类化合物的合成。
- Synthesis of nitrogen heterocycle ferrocenesulfonyl amide 氮杂环二茂铁磺酰胺的合成
- The structure of the indolizine and nitrogen heterocyclic naphthoquinone derivative is shown as a formula (I). 中氮茚并氮杂萘醌衍生物的结构如式(I)所示。
- By Hull cell test, a kind of anion surfactant and nitrogen heterocyclic compound was chosen as a additive for pulse non-cyanide silver electroplating. 采用赫尔槽试验筛选出一种阴离子表面活性剂及含氮杂环化合物作为脉冲无氰镀银的添加剂,并初步确定了无氰镀银的工艺条件及脉冲条件。
- In this paper, two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction . 采用相转移催化反应合成了两个不饱和脂环氮杂冠醚。
- The present invention discloses an indolizine and nitrogen heterocyclic naphthoquinone derivative, a preparation method and an anticancer application thereof. 本发明公开了中氮茚并氮杂萘醌衍生物及其制备方法与抗癌应用。
- Structute of nitrogen heterocyclic ring quaternary ammonium salt cationic surfactants was identi fied by mass spectrography, nuclear magnetic resonance spectra,infrared spectra and etc. 用质谱法、核磁共振波谱法、红外光谱法等，确定了未知氮杂环季铵盐型阳离子表面活性剂的结构。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The inorganic additives are soluble metal compounds,and the organic additives are nonionic surfactants,polyamine compounds,nitrogen heterocyclic compounds,sulfur compounds,amino acid compounds,et... 无氰镀银通常采用的无机添加剂主要是可溶性金属化合物,有机添加剂主要是非离子型表面活性剂、聚胺类化合物、含氮杂环化合物、含硫化合物和氨基酸化合物等。
- Keywords Nitrogen heterocycle;Crystal structure;Bioactivity;Thermodynamic function;Thermal behavior;Theoretical calculation; 含氮杂环;晶体结构;生物活性;热力学函数;热行为;理论研究;
- Keywords cyclophane;tertraazaparacyclophandi;nitrogen heterocycle;ferrocensulfonyl choloricle;synthesis;biological activity; 环蕃;四氮杂对环蕃二砜;含氮杂环;二茂铁磺酰氯;合成;生物活性;
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Turn the mode dial to select multi exposure mode. 把模式盘转到多重曝光模式。
- nitrogen heterocycles energetic materials 氮杂环含能材料
- nitrogen heterocyclic containing aryl ligand 芳-氮杂环配体
- The Multi Commodity Exchange of India Ltd. 印度大宗商品交易所。
- Multi Commodity Exchange of India Ltd. 和印度多种商品交易所。
- Multi Vision TM Confined Space Gas D. 密闭空间气体检测仪。
