甘油三酸酯及其衍生物(如脂肪酸甲酯,FAMEs)催化裂化是制备可再生芳烃和烯烃的潜在途径,但该路径严重受限于HZSM-5分子筛催化剂的......

Waste packaging polyethylene (WPE) was used to modify raw asphalt by melt blending the components at 190℃ for 1 h in a ......

Based on the three-dimensional nuclear independent chemical shielding(3D-NICS)theory,a new program was coded at the end ......

<strong>Objective:</strong><span style=“font-family:”“><span style=”font-family:Verdana;\"> Breast cancer is a pub......

<span style=\"font-family:Verdana;\">Phytochemical investigation of the </span><span style=\"font-family:Verdana;......

Polybrominated diphenyl ethers(PBDEs)are a group of aromatic organic bromine compounds,which have been used in a broad a......

The effect of reaction phase state (gas-liquid-solid or gas-solid reaction) on aromatics hydrogenation was investigated ......

The purpose of this study was to investigate the accumulation behavior of two typical PAHs,phenanthrene(PHE) and fluoran......

By the aid of GC-MS technique,a series of sequentially biodegraded oils from Liaohe Basin have been analyzed. The result......

Absolute concentration of normal alkanes(n-alkanes) and aromatic hydrocarbons in bitumen extracted from source rocks in ......

Aromatic fractions of six light oils and two source rock samples from Panyu(番禺) lower uplift of Pearl River Mouth basi......

<正> 本品为鼠李科植物珀希鼠李 Rhamnus purshi-ana De Candolle 的干燥茎皮。其所含羟基蒽衍生物总量以美鼠李苷 A(cascaroside ......

<正> The polymerization mechanism of various vinyl monomers in the presence of aromatic tertiary amines has been studied......

<正> Golden et al. （1977） and Herndon （1981） calculated the resonance stabilization energy （RSE） of aromatic hydrocarbon radic......

<正> During the long evolution of petroleum formation,some aromatic components such as benzene, phenol and anthracene wo......

<正> Much attention has been paid to the studies on the amine-peroxide redox system. Recently, some works have been publ......

<正> polyamide type has been studied under both electron and optical microscopes. Membranes of the aromatic polyamide ty......

FTlR 光谱数据不能仅仅被用来显示 kerogen 类型结束成熟，而且决定来源岩石的器官的外形。脂肪族的链结构索引(ACSI ) 和一个芳香的......

It has been studied by the solid state 13C NMR analysis that the chemical composition and the structure feature of kerog......

A ’H NMR signal shifted drastically to down field (δ - 10.0) at the bay area and in dose proximity to C = O group for ......

In this research,static adsorption of three polycyclic aromatic hydrocarbons(PAHs),naphthalene,acenaphthene,and fluorene......

A series of poly(aryl amine ketone)s have been obtained by the condensation polymerization of different aromatic dibromi......

Complexes involving planar octacoordinate alkaline earth metal atoms in the centers of eight-membered boron rings have b......

The boron rings containing planar octacoordinate transition metals, D8h FeB82-, CoB8- and CoB83+, C2v FeB8, D2h CoB8+ an......

The photochemical processes of aromatic amino acids were investigated in aqueous solution using acetone as photosensitiz......

Coals consist of some molecules trapped within an organic matrix from which some organic compounds can be extracted by s......

Turf and cow dung,especially thelatter,are major sources of fuelin most of the areas in Tibetother than the southern fo......

The title compound l-(3-((benzo[d][l,3]dioxol-5-yloxy)methyl)phenethyl)-4-phenylpiperidin-4-ol(4,C_(27)H_(29)NO_4,M_r = ......

Two ytterbium complexes stabilized by phenoxy(quinolinyl)amide ligand 3,5-Bu t 2 -2-OC 6 H 2 CH 2 N-8-C 9 H 6 N (L) were......

A new skeleton bisabolane-type sesquiterpene curcuminoid,bisabocurcumin(1),along with 5 known compounds,curcumin(2), dem......

Sulfuric acid ([3-(3-silicapropyl)sulfanyl]propyl)ester is employed as a recyclable catalyst for the condensation reacti......

A novel type of crosslinkable poly(aryl ether sulfone)(PAES) bearing an allyl pendant(PES-OAllyl) was synthesized by a g......

Sulfuric acid-modified polyethylene glycol 6000(PEG-OSO_3H) was applied as an efficient and recyclable catalyst for the ......

A mild,efficient and eco-friendly process for the electrophilic nitration is described using N_2O_5 as a green nitrating......

Using the ligand bis(3-(1H-imidazol-1-yl)-1-phenylpropan-1-one) L, two novel com- plexes [CuL2(ph))]·H2O 1 and [ZnL2(tp......

A simple synthesis of novel and known calix[4]resorcinarenes derivatives has been achieved by the condensation of resorc......

A simple and convenient procedure for the synthesis of nitriles by dehydration of aldoxime using supported sulphuric aci......

Theoretical investigation on the highest epoxygenated fullerene C36O18 formed from the initial C36 fullerene with D6h sy......

A new method for preparation of N-tosylimines by InCl_3-mediated condensation of aldehydes with p-toluenesulfonamide in ......

A novel and facile method of introducing 4-hydroxyl group into the aromatic ring of azabenzanthrone compounds was carrie......

Removal of trace olefins from aromatic liquids had been investigated in the presence of various ionic liquids like 1-eth......

Photochemical processes of benzophenone (BP) and xanthone (XT) with tryptophan (TrpH) and tyrosine (TyrOH) were studied ......

The efficient catalytic systems generated in situ from RuCl2(PPh3)3 and chiral ligands N,N-bis[2-(di-o-tolylphosphino)-b......

The procedures of ultrasonic extraction and clean-up were optimized for the determination of polycyclic aromatic hydroca......

A reaction ofα-bromo aromatic ketones in water with microwave irradiation gave the correspondingα-hydroxy aromatic ket......

The title complex,6,6-(3,3,5,5-tetra-tert-butylbiphenyl-2,2-diyl)bis(oxy)di-di-benzo[d,f]-[1,3,2] dioxaphosphepine(C52H5......

Nucleophilic aromatic substitution of hydrogen in non-activated aromatic ring,a very rare phenomenon in organic chemistr......

Monodispersed colloidal copper oxide nanoparticles were synthesized by water-in-oil microemulsion using CuCl 2·H2O and ......

The reaction of CdCl2 with 6,7-dicyanodipyridoquinoxaline (DICNQ) by solvothermal reaction gives rise to a coordination ......

A new kind of gel electrolyte containing only organic solvents and an iodide salt-namely 3-methoxypropionitrile(MPN),ani......