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- This article has presented a modified molecular connectivity indices used in the QSARs research of the aqueous solubilities of heterocyclic nitrogen compounds. 本文采用一种修正的分子连接性指数研究了氮杂环类化合物水溶解度的定量结构性质关系。
- heterocyclic nitrogen compound 杂环氮化物
- Keywords heterocyclic nitrogen compounds;generation column method;aqueous solubility;molecular connectivity indices.; 氮杂环类化合物;产生柱法;水溶解度;分子连接性指数;
- heterocyclic nitrogen compounds 杂环氮化物
- To combine or treat with nitrogen or a nitrogen compound. 渗氮掺入或用氮或氮化合物处理
- heterocyclic aromatic nitrogen compound 杂环芳族氮化合物
- As a new kind of migration “tracer”, pyrrolic nitrogen compound has its advantage. 吡咯类含氮化合物作为油气运移示踪剂有其独特的优势。
- The paper erects math model of determined ammomial nitrogen compound uncertainty by prismatic photometer. 建立了分光光度法测定水中氨氮含量的合成不确定度的数学模式。
- The basic nitrogen compounds include pyridines and quinolines. 碱性氮化物包括吡啶和喹啉。
- The nitrogen compound was a novel and high efficiency flame retardant for the low toxicity of itself and its decomposer. 氮系阻燃剂高效且本身及其分解产物低毒,成为当今阻燃剂的发展方向。
- This paper relates a lab research job of preparation of PSNAMA terpolymer by terpolymerization of styrene cationic nitrogen compound with acrylamide and acrylic acid. 本文叙述了在苯乙烯分子上引入正氮离子形成苯乙烯正氮离子化合物，用以同丙烯酰胺、丙烯酸三元共聚合，获得三元共聚物（PSNAMA）的实验室研究工作。
- The curve of NPK release from CRF with high nitrogen compound (HN) was Sigmoid and increased coating thickness could prolong the time of slow release stage. 高氮型的氮磷钾养分累积释放特征曲线为S型，增加包膜厚度，延长了缓慢释放阶段持续的时间。
- Ammonium is toxic and is converted to organic nitrogen compounds in the root. 铵有毒，在植物根部被转化为有机含氮化合物。
- In this case the most important are nitrogen compounds , then follow compounds of oxygen and sulfur. 在这种情况下最重要的是氮化物，其次才是氧化物和硫化物。
- In this case the most important are nitrogen compounds ,then follow compounds of oxygen and sulfur . 在这种情况下最重要的是氮化物，其次才是氧化物和硫化物。
- In this case the most important are nitrogen compounds, then follow compounds of oxygen and sulfur . 在这种情况下最重要的是氮化物，其次才是氧化物和硫化物。
- For nitrogen compounds derived form ammonia (NH3) the root amine is used , as, for example , in hydroxylamine (NH2OH). 回复：对于从氨水中分解出的氮的化合物;氨基是被使用的;例如;在羟胺中.
- In this case the most important are nitrogen compounds , then follow compounds of oxygen and sulfur . 在这种情况下最重要的是氮化物，其次才是氧化物和硫化物。
- Investigation of extracting nitrogen compounds by solvent complexation is now actively under way. 综述了石油产品脱氮研究进展，提出了催化裂化柴油络合萃取脱氮的途径。
- This agent can selectively remove basic nitrogen compounds from coker gas oil and the refined oil yield is over 97%. 该工艺采用研制的脱氮用精制剂,该精制剂为一种酸性络合剂,能选择性脱除焦化蜡油中的碱性氮化物,精制后油的收率97%25以上。
