Random good picture Not show

61, Rose, Rose, and so can absorb hydrogen sulfide, benzene, phenol, ether and other harmful gases.

62, The effects of catalyst preparation conditions and reaction parameters on the performance of the catalyst for the benzene benzylation with benzyl chloride were investigated.

63, Oil in the redeployment of high-octane fuel components, blending the best choice programs, such as redeployment isooctane, cumene, alkyl benzene, methyl tert - butyl ether, alcohol burning Materials.

64, A new solid phase microextraction (SPME) fiber coated with activated charcoal was estimated by determination of benzene, toluene and xylene(BTX)in indoor air.

65, Alteration of two vibration modes of benzene ring of the drug shown by difference spectroscopy gives evidence of the insertion of benzene into acidic phospholipid bilayer.

66, The Refractometric analysis of binary liquid system of benzene - chlorobenzene was investigated.

67, They are insoluble in water, ethanol, methanol, acetone, chloroform and benzene, but, DMF and DMSO.

68, The oil removes the benzole a mixture of benzene, toluene and xylene from the gas stream.

69, Objective To explore the developmental toxicity and teratogenicity of benzene on mouse embryo in vivo.

70, The technical requirements for preparing cyclohexanol from benzene is introduced and compared with the traditional process.

71, General and current data is light steel plasterboard is stuck outside keel, it is good that sound insulation effect is added among " mineral wool board " or " benzene board " .

72, The process of changing an open-chain hydrocarbon structure to a closed ring, e. g. , hexane to benzene.

73, Nucleophilic Aromatic Substitution. Strategies in the Synthesis of Multisubstituted Benzene Derivatives.

74, Our main products are coke, coal tar, coal gangue, crude benzene, gas, such as metallurgical coke.

75, Among these components, 17 of which were identified as benzene carboxylic acids and phenolic acids by using GC-MS analysis and by comparing with authentic compounds.

75, Sentencedict.com try its best to collect and build good sentences.

76, Large surface area and strong absorptive power. High speed in absorbing diversified pernicious gases such as benzene, formaldehyde and ammonia. Regeneration in short time.

77, Also can absorb the harmful gas such as hydrogen of formaldehyde, vulcanization, benzene, phenol, ether aloe, red-spotted stonecrop , Chinese rose, rose.

78, Do not clean PC sheets with benzene, gasoline, acetone, or tetra chloromethane.

79, While the conversion of benzene and toluene increase remarkably for metal catalysts supported on WO 3 co-precipitation.

80, These results showed that the change of end substituents X and side substituent Y of benzene ring in the molecules had important effects on mesogenic properties of these liquid crystalline compounds.

81, No osmyl and no taste. Soluble in Benzene, Acetone, C2H4Cl2, CS2, toluene, party soluble in alcohol, diethyl ether, insoluble in water, gasoline.

82, Three benzene are solvents with features of colorlessness, aroma,[sentencedict.com] volatility and nammability.

83, Taking industry benzene as extraction agent, rogor is recovered from rogor synthesis waste water by multipolar counterflow extraction.

84, For concentrating benzene an adsorbent such as Poropak Q can be used.

85, Recent and new techniques used in anodic oxidation methyl of benzene rings are also extensively discussed.

86, Using benzene as solvent, the reactions of several aromatic hydrocarbons with N-bromosuccinimide at visible light and nitrogen atmosphere were examined.

87, In recent years, more and more scientists modify the double bond or benzene ring of resveratrol to get higher activity, lower toxicity derivates.

88, Especially the benzene ring of polystyrene cation exchange resin varies slowly. Therefore the graphite degree of carbonized product of polystyrene cation exchange resin is getting low comparatively.

89, Stuffing is innocuity for God's image. pull on rubber glove please when using . if stuffing is left at skin, clean it with alcohol, acet . , benzene etc.

90, The major impurities of dicofol 40% benzene solution were separated.