Pyrrole, imidazole and furan are biodegradable organics, and pyridine are poor biodegradable organics.
吡咯、咪唑、呋喃为可降解有机物，吡啶为难降解有机物。
The solvent is used by adopting one of or mixture of more than one of cyclohexane, 1, 2-dichloroethane and pyridine.
溶剂采用环己烷、1,2 -二氯乙烷、吡啶中一种或多种混合使用。
The method of synthesizing N, N′-diphenylmalonamide employing aniline and malonic ester and pyridine as extractant was investigated.
以对苯胺、丙二酸二乙酯为原料、吡啶为溶剂合成N，N'-二苯基丙二酰胺的方法进行了研究。
Pyridine-2-Carboxaldehyde Chitosan( PYCTS) with good chelation properties was synthesized from Chitosan(CTS)and pyridine-2-Carboxaldehyde.
以壳聚糖和2-吡啶甲醛为原料，合成了具有高螯合性能的2-吡啶甲醛缩壳聚糖（PYCTS）。
Such pretreatments as calcination, sodium poisoning, and pyridine adsorption all have significant influences on the formation of radical-ions.
发现热处理、钠离子中毒以及吡啶吸附等不同预处理方法均对正离子基生成有显著的影响。
N-phthaloyl chitosan is able to form cholesteric liquid crystalline phase in concentrated solutions of some organic solvents, including DMF, DMSO, DMAc and pyridine.
邻苯二甲酰化壳聚糖在多种常见有机溶剂中能形成胆甾液晶相。
The influence of calcination (temperature and heating rate) on the acidity of HZSM-5 zeolite has been studied by means of FTIR and TPD using NH, and pyridine as probes.
本文运用FTIR及TPD等手段，以氢和吡啶作探针，研究了焙烧温度和升温速率对分子筛结构和酸性的影响。
The thermal stability and lifetime of three new tailed porphyrin triethylamine and pyridine quaternary ammonium salts were studied by isothermal thermogravimetric method.
用等温热重技术研究了三种新型尾式卟啉三已胺和吡啶季铵盐的热稳定性及寿命。
HMCM-22 zeolite was modified with ammonium hexafluorosilicate and characterized by temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy.
用氟硅酸铵对HMCM-22分子筛进行了改性处理，并采用氨程序升温脱附和吡啶吸附红外光谱法测定了其酸性。
The stable derivative of L-ascorbic acid, L-ascorbic Acid-2-sulphuric acid ester dipotassium salts are synthesized using potassium pyrosulfate as esterifying agent and pyridine as solvent.
以焦硫酸钾为酯化剂，以吡啶为溶剂合成了L- 抗坏血酸的稳定衍生物L- 抗坏血酸- 2 -硫酸酯二钾盐。
The process of 2-chloropyridine chlorination synthesis by pyridine and application were introduced.
介绍了吡啶氯化合成2-氯吡啶的方法和应用。
Pyridine can improve the ability of acylation when it complex with acyl chloride. The theory yield is high but aftertreatment is difficult and real yield is very low.
吡啶既可做溶剂又可中和氯化氢，还可与酰氯形成络和物而增强酰化能力，理论产率很高，但后处理困难，实际产率反而很低。
Pyridine can react with halogens, nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.
吡啶可以和卤素、硝基四氟化硼盐、 三氧化硫、硼烷及三氧化铬反应，形成一些有用的有机试剂。
Pyridine amino resin of high selective absorption for copper ion was synthesized by the suspension method, and its absorption properties were evaluated by absorption experiment of copper ion.
采用悬浮法合成了高选择性的吡啶氯化氨基树脂，并通过吸附铜离子实验评价其吸附性能。
Studies on Pyridine Derivatives (VII) : Synthesis and Insecticidal Activities of Pyridine Derivatives with an 1, 3, 4-thiadiazole Moiety.
吡啶衍生物研究(VII)：含1,3,4 -噻二唑环的吡啶衍生物的合成及生物活性。
We calculated Raman intensities of pyridine and water adsorbed on rough silver electrodes respectively by using density functional theory approach.
本文利用密度泛函方法计算了吡啶和水分子分别吸附于粗糙银电极表面的拉曼光谱强度。
The determination of pyridine adsorption of samples revealed that materials have a typic characterization of proton acid, and the proton acid centers increased with the increase of s content.
磺酸基很好地嵌入孔壁基质中，吡啶吸附测定显示了典型的质子酸特征，而且酸中心随硫含量增加而增多。
PVC-Pyridine resin was prepared, and its structure was characterized by IR spectra and elementary analysis.
合成了聚氯乙烯一吡啶树脂，并通过元素分析和红外光谱进行了表征。
Recovering pyridine by simple distillation and phase separation with salt was studied.
研究了普通精馏与加盐分相技术在回收吡啶中的应用。
In the original titrimetric solution, known as Karl Fischer Reagent, the sulfur dioxide and iodine are dissolved in pyridine and methanol.
在最初的滴定溶液里，已知的是卡尔费休试剂，二氧化硫和碘溶解在吡啶和甲醇中。
The main composition of this wastewater is acetaldehyde, paraldehyde, metaldehyde, pyridine and some acetaldehyde polymers.
某化工厂废水主要成份为乙醛、少量三聚乙醛、四聚乙醛、吡啶和一些乙醛聚合物。
The study provides a theoretical base for preparing high activity and high selective catalyst for pyridine synthesis.
该研究为制备高活性、高选择性的合成吡啶催化剂提供了理论依据。
METHODS Using the bromine, the lithium bromide and the promoter pyridine carried out the oxidized dehydrogenation.
方法利用溴、溴化锂和助催化剂吡啶方法同时进行氧化脱氢。
The preparation and purification methods of pyridine hydrochloride were discoursed in the paper.
本文叙述了盐酸吡啶的制备及精制方法。
A method was established for determining two intermediates in synthesis of imidacloprid, 2 chloro 5 methyl pyridine and 2 chloro 5 chloromethyl pyridine by HPLC.
建立了用高效液相色谱法同时测定农药吡虫啉中间体2 -氯-5 -甲基吡啶和2 -氯- 5 -氯甲基吡啶含量的方法。
The classification of pyridine derivatives was introduced, application and synthetic route of alkyl pyridine and halogenated pyridine were also elucidated in detail.
介绍吡啶衍生物的分类，并详细总结了烷基吡啶和卤代吡啶的应用及其合成路线。
The adsorption of phenolic resin adsorbent for pyridine and n, N-dimethylaniline was studied in aqueous solutions under static and dynamic conditions in this paper.
研究了酚醛型吸附树脂在水体系中对吡啶和N,N—二甲基苯胺的静态和动态吸附行为。
In this paper the chemical reaction of poly (vinyl pyridine) was studied and the polyelectrolytes CAPVP containing zwitterion structure units were synthesized.
以聚乙烯吡啶的化学反应制备了含正负离子对结构单元的两性聚合物CAPVP。
The dominating mechanism of adsorption of pyridine and N, N-dimethylaniline by phenolic resin adsorbent in aqueous solutions is deduced a hydrophobic sorption process from the experimental results.
结果表明，在水中树脂对吡啶和N，N—二甲基苯胺的吸附主要以疏水吸附机理进行；
The dominating mechanism of adsorption of pyridine and N, N-dimethylaniline by phenolic resin adsorbent in aqueous solutions is deduced a hydrophobic sorption process from the experimental results.
结果表明，在水中树脂对吡啶和N，N—二甲基苯胺的吸附主要以疏水吸附机理进行；
应用推荐