Study on Simulation of Vibrant Frequency of Carbonyl;
羰基振动频率的理论计算模拟
Two isoxazole intermediates containing 1,2,3triazolyl and carbonyl,which can also be used as intermediates for synthesis of new heterocyclic compounds,have been synthesized.
以2-苯基-1,2,3-三唑-4-甲醛为原料,合成2种在异噁唑环上同时含有1,2,3-三唑基和羰基的新型化合物,它们可作为合成其他杂环化合物的中间体,其分子结构经IR,1HMR,MS谱确证。
0,the amount of oxidation element Ⅰ 4%,the temperature 85 ℃ and the time 4 h;the optimum conditions to obtain the maximal carbonyl content was: pH=5.
而得到含羰基量较多的糊化活化淀粉最佳反应条件为pH值5。
The conditions/reagents for protecting carbonyl groups as acetals, thioacetals and oxothioacetals as well as the corresponding deprotection processes published during the period of 2000～2006 are briefly surveyed.
对2000～2006年间文献中报道的一些对羰基化合物进行缩酮(醛)类的保护、去保护的主要方法进行了简要的概述。
This article narrates the transformation of carbonyl group in optically active epoxy ketones under different reagents and enumerates some synthetic applications of this kind of transformation.
本文讲述了有机合成中光学活性的环氧酮化合物中酮羰基在不同试剂下的转化,并列举了一些相关的合成应用。
The chemical reductants fail to reduce carbonyl group under ambient conditions.
羰基在一般条件下不易被化学还原剂还原。
The mass spectral fragmentation of long chain carboxide compounds was discussed and calculation of molecular formula was proposed in the paper.
〕本文讨论了长链脂肪族羰基化合物的质谱裂解规律及其分子式的计
It bas been discovered that the carboxylic ester rare earth salt is superior to the organotin in antidehydrochlorination, and inferior to the organotin in antioxidation through following the tracks of carboxide group and conjugated double bond with the help of infrared spectroscopy and ultraviolet-visible spectroscopy.
借助于红外光谱和紫外／可见光谱，通过跟踪光老化过程中羰基基团和共轭双键的变化，发现羧酸酯稀土的抗脱ＨＣｌ能力优于有机锡，但抗氧化能力不如有机锡。
The nitrous oxide-ethane flame atomic absorption spectrophotometer was used to measure calcium in carbonyl nickel powder.
运用N2O-C2H2火焰原子吸收光谱法测定羰基镍粉中的钙。
The application of air-acetylene flame atomic absorption spectral method for measuring the iron content in carbonyl nickel powder is studied.
文章运用了空气-乙炔火焰原子吸收光谱法进行羰基镍粉中铁含量的测定。
The application of N_2O-C_2H_2 flame atomic absorbing spectral method to measure the content of molybdenum in carbonyl nickel powder is studied.
运用了N2O-C2H2火焰原子吸收光谱法进行羰基镍粉钼含量的测定。
Micron nickel carbonyl powder
GB/T7160-1987微米级羰基镍粉
Study on Carbonyl Iron and Carbonyl Iron-Epoxy Resin Composite Particles;
羰基铁及羰基铁—环氧树脂复合粒子的研究
Study on the Synthesis of Fmoc-L-Lys(Boc)-OH
N~α-9-芴甲氧羰基-N~ε-叔丁氧基羰基-L-赖氨酸的合成研究
Synthesis of 1-Aza-1-(t-butoxycarbonyl)-8-oxo-spiro[4,4]non-6-ene
6-烯-8-羰基-1-叔丁氧基羰基氮杂螺[4,4]壬烷的合成
ketone :Any of a class of organic compounds containing a carbonyl group (-C=O; see functional group) Bonded to two carbon atoms.
酮: 一类包含羰基(－C＝O)的有机化合物,其羰基连接着两个碳原子。
Density Functional and Ab Initio MO Study on the Electrionic Structure and Carbonyls' Fluxionality of the Triosmium Carbonyl Clusters;
三锇羰基簇合物的电子结构及羰基流变性的理论研究
Carbonyl Stress and Decarbonyl Stress in a Hemorheologic Model System;
血液流变学模式系统中的羰基应激和去羰基应激
The Preparation of Cobalt Carbonys Catalyst and Its Catalyzed Carbonylation for Synthesis of Diethyl Malonates
羰基钴催化剂的制备及其催化羰基化合成丙二酸二乙酯
Process Improvement on the Synthesis of 1-Benzyloxycarbonyl-3-(t-butoxycarbonylamino)azetidine
1-苄氧羰基-3-叔丁氧羰酰氨基氮杂环丁烷的合成工艺改进
Mechanism of Methanol Carbonylation Catalyzed by Chelated Carbonyl Rhodium Complex
螯合型羰基铑配合物催化甲醇羰基化反应的机理研究
The bivalent radical CO.
羰基，碳酰基二价原子团CO
Ketose A monosaccharide SUGAR containing a ketone (=CO) or potential ketone group, e.g. dihydroxyacetone.
酮糖：含有羰基的单糖。例如二羟基丙酮。
Asymmetric Reduction of Carbonyl Compounds Containing Amino Group;
含有氨基的羰基化合物的不对称还原
Photochemical Syntheses of Silyl Manganese Pentacarbonyls (CO)_5MnSiR_3
硅烷基五羰基锰(CO)_5MnSiR_3的光化学合成
Synthesis of the 3,5-diethyl-2,4-dimethoxycarbonylpyrrole
3,5-二乙基-2,4-二甲氧羰基吡咯的合成
Aromatics--Determination of carbonyl value and carbonyl compounds content--Free hydroxylamine method
GB/T14454.17-1993香料羰值和羰基化合物含量的测定游离羟胺法
Aromatics--Determination of carbonyl value and carbonyl compounds content--Hydroxylammonium chloride method
GB/T14454.16-1993香料羰值和羰基化合物含量的测定盐酸羟胺法
A metal compound, such as Ni(CO)4, containing the CO group.
含羰基的金属化合物，如Ni（CO）4