碘甲烷
- 网络Methyl iodide;Iodomethane;methyliodide
-
质谱峰形的分裂现象以及不同载气的实验结果表明这些高价离子可能来源于碘甲烷团簇的库仑爆炸过程。
From the results under different conditions , it is proposed that the multi-charge ions are come from the coulomb explosion of methyl iodide cluster ions .
-
然后与碘甲烷反应生成水溶性的壳聚糖季铵盐:N,N,N-三甲基壳聚糖碘化铵(TMCI)。
The quaternization of N , N-dimethyl chitosan by methyl iodide afforded water-soluble quaternized chitosan : N , N , N-trimethyl chitosan iodide ( TMCI ) .
-
碘甲烷(CH3I)在飞秒激光场的电离解离研究
Lonization / Dissociation of CH_3I under Femtosecond Laser Field
-
本工作采用丙酮一二碘甲烷重液体系,对北京的大气颗粒物进行了密度梯度分级处理.各级样品的X射线粉晶衍射分析表明,其中含有十七种物相。
X-ray powder diffraction analysis of fractions of airborne particulates has been carried out by density gradient separation method with sequential extraction of acetone-methylene iodide mixtures .
-
以2-萘胺和碘甲烷为原料,首次合成了N,N,N-三甲基-2-萘基季铵盐,其结构经1HNMR,IR和MS表征。
N , N , N-trimethyl-2-naphthyl quaternary ammonium salt was synthesized from 2-naphthylamine and iodomethane . The structure was characterized by 1H NMR , IR and MS.
-
GS(R)3进一步与碘甲烷反应,其分子中的3个仲氨基被季铵化,生成树枝状季铵盐GI(R)3,产率为82.0%。
Further , three secondary amino groups in GS ( R ) _3were alkyled by reacting with methyl iodide to give title compound , dentritic quaternary ammonium salt GI ( G ) _3 with 82.0 % yield ( m.p.116.8-117.8 ℃) .
-
对一种新的爆压测试方法二碘甲烷法的研究
Investigations of a new detonation pressure measuring method & diiodomethane method
-
方法以溴乙烷替代碘甲烷进行烷基化反应。
METHODS By this method , iodomethane was replaced with bromoethane .
-
模拟预言了碘甲烷光解中的选模化学行为。
The mode selective behavior in photodissociation of methyl iodide is illustrated .
-
通过闪光光解三氟碘甲烷得到了1.315μ的激光辐射。
Laser emission of 1.315 μ m was observed via photodissociation of CF_3I .
-
常温碘甲烷吸附剂的研制
Preparation of Iodomethane Absorbent at Normal Temperature
-
相转移催化合成二碘甲烷
Synthesis of diiodomethane by phase-transfer catalysis
-
吡唑衍生物与碘甲烷反应的密度泛函理论研究
Density Functional Theory Study on the Reactions of Pyrazole Derivatives with CH_ ( 3 ) I
-
能明显降低丙三醇和二碘甲烷的表面张力,是表面活性很好的油溶性表面活性剂。
They could induce the surface tension of glycerol and diiodomethane , were hydrophobic surfactants with good surface activity .
-
结果表明:煤中有机硫的脱除率随着碘甲烷用量和超声波辐射时间的增加而增加。
Results denoted that the organic sulfur removal rate was proportional to consumption of iodine methane and radiation time .
-
峰形模拟在纳秒强激光电离碘甲烷团簇质谱中离子来源分析的应用
Analysis of Formation Mechanism of Ions in Intense Nanosecond Laser Ionization of CH_3I Clusters by Mass Peak Profile Simulation
-
Менщуткин反应的研究&Ⅰ.喹啉-碘甲烷在水杨醛中的反应动力学
Studies on the menschutkin reaction & ⅰ . the kinetics of the reaction of QUINOLINE-METHYL iodide in salicylic aldehyde
-
均聚物对水和二碘甲烷的接触角分别为984°和805°,计算得到其表面自由能为00185J/m2。
The contact angles of water and diiodomethane to the homopolymer were 98 4 ° and 80 5 ° respectively .
-
在阻抗匹配法的基础上发展了一种比较精确的爆压例行测试方法&二碘甲烷法。
A new accurate method-diiodomethane method-for routine detonation pressure measurement of explosives has deen developed on the basis of impedance matching method .
-
三氟碘甲烷具有良好的环境性能和安全性能,在灭火、制冷、发泡、医药等领域有着广阔的应用前景。
FIC-1311 has well protected environment , showing that which have good application prospects in the extinguishing , refrigeration , foam blowing agents , and medication .
-
制备了交联聚4-乙烯基吡啶及碘甲烷,溴乙烷季铵化的聚4-乙烯基吡啶负载钯催化剂,考察了它们催化丙烯酸甲酯加氢反应的性能。
Crosslinked poly-4-vinylpyridine quaternized with methyl iodide , ethyl bromide has been prepared and the quaternary salts have been used for the support of the Pd catalyst .
-
分别应用水、甲酰胺和二碘甲烷3种不同性质的液体,研究木材吸收液体的动力学过程及在毛细管和非毛细管2个方向的不同吸收特征。
Applying water , formamide and diiodomethane , as probe liquids to penetrate into pine wood at its capillary and non-capillary sections , respectively , the dynamic absorption models of wood had been deduced based on recorded absorption curves .
-
以水合肼还原3得到化合物4,后者可进一步用硼氢化钠还原并用碘甲烷烷化生成5。化合物6可在不同条件下分别由3、4或5得到。
Reduction of 3 with hydrazine hydrate produced 4 , which could be further reduced with sodium borohydride and then alkylated with methyl iodide to give compound 5 Compound 6 could be synthesized from 3 , 4 , or 5 under different conditions , respectively .
-
目的研究液相单管法自动化合成11C碘代甲烷(CH3I)的设备和工艺。
Objective To develop an automated synthesis of 11 C-methyl iodide ( CH_3I ) with single vessel in liquid phase .
-
醋酸混合溶剂中碘催化甲烷部分氧化过程研究
Methane Partial Oxidation Catalyzed by I_2 in Acetic Acid Solution
-
氚化碘代甲烷的合成及其初步应用
Synthesis of Tritiated Methyl Iodide and Its Initial Application
-
二安替比林对碘苯基甲烷光度法测定烟草样品中锰的研究及应用
Study on Spectrophotometry Determination of Manganese in Tobacco with Diantipyryl - ( p-Iodo ) Phenylmethane
-
Z-2-碘-2-丁烯甲烷酸酯的新合成方法
New method for synthesis of Z-2-iodo-2-butenyl mesylate
-
本工作采用固定吸附床方法,研究了不同吸附剂对元素碘和碘甲烷的吸附性能。
The adsorption performance of various adsorbents for radioactive I and CH_3Iis studied by means of stationary adsorption bed .
-
方法基于氯、溴、碘在中性或酸性介质中与硫酸二甲酯反应,生成氯甲烷、溴甲烷、碘甲烷;
This method is based on the reaction of halides with dimethyl sulphate in neutral or acidic solution resulting methylchloride , methylbromide and methyliodide .