Aceto相关论文
1,1’‐Butylenebispyridinium hydrogen sulfate is an efficient, halogen‐free and reusable Brnsted ionic liquid catalys......
Stability-indicating assay method for determination of actarit,its process related impurities and de
The stability of the drug actarit was studied under different stress conditions like hydrolysis(acid,alkaline and neutra......
The title compound C18H16FeO (Mr=304. 17) crystallizes in the mono-clinic system,space group P21/c with cell constants ......
前言——黄连研究,开始在十余年前,因所得非所期,暂告停顿。现在全国人士对于中药科学化问题,甚为注意,今将几点尚未见于文献或与......
The local injection of triamcinolone acetonide(TA) is effective in preventing pyloric stenosis and deformity following l......
目的:研究月腺大戟(Euphorbia ebracteolata Hayata)植物根部中的化学成分。方法:采用各种色谱方法分离纯化化合物,并根据理化性质......
目的研究两面针Zanthoxylumnitidum的化学成分。方法采用正反相硅胶柱色谱法进行分离纯化,利用MS、UV、IR、NMR等波谱数据及理化性......
Studies on sulfinato-dehalogenation XII.Sodium dithionite-initiated addition of N,N-diethyliododiflu
N,N-deithyl-iododifluoroacetamide 1 reacted with alkenes,alkynes in aqueous aceto-nitrile solutions of sodium dithionit......
5,6-取代环烯醚2在乙腈的单重态氧反应有效的生成一系列1,4位官能化化合物3。1,4位官能化化合物为合成上重要的中间体。环烯醚2可......
[Objective] To detect the aradecoside A contents in Aralia plants in different production areas by HPLC. [Method] Chroma......
A novel bioactive Annonaceous acetogenin, donhexocin(1), has been isolated from the roots of Goniothalamus donnaiensis (......
期刊
Application of Fast Radical Rearrangement in the Mechanistic Investigation of Intramolecular C-H Ins
In order to investigate the reaction mechanism of intramolecular C-H insertion by Rh(II)-mediated carbenoids with trans-......
A new cyclic octapeptide, bandunamide, was isolated from the acetone extracts of streptomyces griseovariabilis bandungen......
The selective brominations of 3, 4-dimethoxytoluene with N-bromosuccinimide were reported. The nuclear and side-chain br......
ELECTROCHEMICAL POLYMERIZATION OF 5-CYANOINDOLE IN MIXED ELECTROLYTES OF BORON TRIFLUORIDE DIETHYL E
High quality poly(5-cyanoindole)(P5CI)films were electrosynthesized by direct anodic oxidation of 5-cyanoindole on stain......
A new method for determining 237Np in bench-scale experiment is provided.In aqueous solution in excess of Pu and U,PMBP......
The influences of aceto-hydroxamic acid (AHA) concentration, pretreating temperature and heat preservation time on decon......
Neptunium is strictly limited in the uranium product after nuclear fuel reprocessing.The conventional methods don’t me......
RESEARCHES ON CHEMICALLY MODIFIED ELECTRODE——THE PREPARATION OF ELECTROCHEMISTRY POLYMERIZED FERROCE
The voltammetric behaviour of ferrocene drivatives (α-hydroxy-, 1, 1′-bisα-hydroxyethyl-, aceto-, 1, 1′-bis-aceto-)......
Objective: The aim of the study was to evaluate the clinical value of the video colposcopy in screening cervica intraepi......
以MoO3为光催化剂，丙酮为光敏荆，研究了甲基橙模拟废水的光催化降解反应，并进行了动力学初步研究．结果表明：MoO3对甲基橙模拟废水的光催......
THE STRUCTURE ELUCIDATION OF A NEW BIS-ENTKAURANE COMPOUND, ISODOPHARICIN E, ISOLATED FROM ISODON PH
On the basis of spectroscopic evidence (MS, <sup>1</sup>HNMR, <sup>13</sup>CNMR, CD, <sup>1</sup>H-<sup>1</sup>H and <su......
空气中有害物质的光催化去除陶跃武＊赵梦月陈士夫梁新（郑州工业大学化工系，郑州４５０００２）关键词光催化，二氧化钛，空气污染物，丙酮，乙醛近十几年来，空......
空心结构材料具有低密度、高通透性和易于回收的优点,因此人们对空心球的TiO2,如TiO2空心微球(TiO2-HMSs)的制备非常感兴趣.但是普......
Reaction of p-tert-oxocalix[4]arene in acetonitrile (CH3CN) by 308nm laser pulses was investigated to understand its mec......
为了便于对盐藻SOD的研究与利用,建立一种较好的盐藻SOD纯化方法,实验对盐藻SOD的纯化条件进行了研究。结果表明,对盐藻SOD提取液......
采用静电纺丝法和水热法制备了ZnO/TiO2分级纳米结构,利用扫描电子显微镜和X射线衍射仪对材料的表面形貌和晶体结构进行了表征,并......
介绍异丙醇／丙酮／氢反应热使太阳热温升的化工热泵研究与及太阳热电池发电的原理。...
本文以乙二醇独甲醚作溶剂，在Ｍｇ（ＣＩＯ４）２及盐酸存在下，使呋喃和丙酮缩合，合成了 ２，２，７，７，１２，１２，１７，１７－八甲基－２１，２２，２３，２４－四氧夸哒烯，产率达３９％～５４％，......
分别采用硫酸铵盐析法，丙酮沉淀法，聚乙二醇沉淀法对枯草芽孢杆菌（Ｂａｃｉｌｌｕｓ ｓｕｂｔｉｌｉｓ）Ｋ３－１４酶株发酵产生的β－甘露聚糖酶（β－ｍａｎｎａｎａｓｅ）进行提纯。其中硫酸铵盐析法在６０％饱和......
New tanthanide comptexes of acetylacetonate-meso-tetra-（4-pyridyt）porphyrin（LnTpypacac,Ln=Dy,Ho,Yb,Lu,H<sub>2</sub>Tpyp=tet......
以十二烷基硫酸钠(SDS)为乳化剂,过硫酸钾(KPS)和亚硫酸氢钠(SBS)为氧化还原引发体系,通过乳液聚合方法制备了氯乙烯(VC)/丙烯腈(A......
That the benign tumour tissue is characterisedby a very high rate of amitotically dividingcells,was reported nearly two ......
氟化钾的Ｐｉｔｚｅｒ参数适用于质量分数为１０．４２％的氟化钾水溶液，当用氟化钾分离有机水溶液时，在３０℃时其饱和溶液的质量分数为５１．９５％，因此，必须研究高浓度下氟化......
通过水解法，活性炭吸附，丙酮降解对氨基酸的提取，首次确定了从大蒜渣中提取混合氨基酸的最佳工艺条件为：盐酸浓度25％。温度107℃，水解时......
本文建立了一种用反相高效液相色谱测定三羟甲基丙烷的方法，选择ＣＬＣ－Ｃ＿８柱（１５０×６．０ｍｍ），流动相为ＣＨ＿３ＣＮ∶Ｈ＿２Ｏ（７５∶２５ｖ／ｖ），流速为每分钟０．６ｍｌ，柱温为室温等条件，三羟甲基丙烷的......
采用直接浸清一焙烧法，制备了SO4^2--TiO2／β-沸石催化剂。并以其催化苯乙酮和乙二醇合成了苯乙酮乙二醇缩酮、考察了催化剂的焙烧温......
为探索适用于双向电泳分析的玉米组织全蛋白质提取的最佳方法,建立适用于玉米组织的全蛋白质双向电泳体系,以玉米叶片和花粉为材料......
On the basis of study on the mechanism of action of sulfonylurea herbicides, nine sulfonylurea derivatives of iso-xazoli......
长豇豆花药壁的发育为基本型。绒毡层周原质团型，小孢子母细胞减数分裂粗线期至末期Ⅱ，相邻小孢子母细胞间存在胞质通道。四分体多为......
