نتایج جستجو برای: xylene o
تعداد نتایج: 556477 فیلتر نتایج به سال:
Application of ionizing radiation for recalcitrant organic decomposition has been well documented for such compounds as methyl tert-butyl ether (MTBE) [3], phosphonic acid, dimethy ester [17], 2,4-dichlorophenoxyacetic acid [6], aromatic hydrocarbons [12], benzene, toluene, m-xylene, o-xylene [16], THMs [5], bromate [21], phenol [14], methyl isobutyl ketone, toluene, xylene, tetrachloroethylene...
Two novel low molecular weight organogelators (LMOGs) 1 and 2 composed of a cholesteryl group, an amide group and various terminal cyanostilbene moieties were synthesized. They could form stable gels in p-xylene. In particular, 2 with more extended π-conjugation length showed remarkable gelation ability in many aromatic solvents, chloroform and chloroform-containing mixed solvents at a relative...
conclusions the present data confirmed systemic and topical anti-inflammatory effects of stachys pilifera which is comparable to indomethacin. results acute toxicity study of the extract showed that no rats were killed at 5000 mg/kg (ld50 > 5000 mg/kg). the extract (100 and 200 mg/ kg) significantly suppressed carrageenan-induced paw edema 1, 2, 3, and 4 hours after carrageenan challenge in c...
Background & objectives: Xylene, which can pollute the water sources, is widely used as a solvent in insecticide manufacture, dye and leather and other industries. Adsorption is one of the most common processes used to treat the contaminated aqueous solutions by xylene. Therefore, the aim of this study was to compare the xylene removal efficiency and adsorption isotherms of magnetic nanoparticl...
The effects of experimental exposure to toluene (100 ppm), xylene (100 ppm) and their mixture (50 ppm of toluene and 50 ppm of xylene) on CNS functions were studied in 10 male volunteers aged 22-35. Changes in CNS functions were measured by means of nine psychological tests. Acute exposure to xylene produced the most adverse effect on simple reaction time SRT and choice reaction time ChRT. Expo...
Absorption of m-xylene and excretion of m-methylhippuric acid were investigated under controlled conditions in ten volunteers aged 17-33 years. They were exposed to m-xylene vapours at concentrations of 100, 300, and 600 mg/m3. It was found that m-xylene vapour retained in the lungs tended to decrease at the end of the exposure. An exposure test was devised, based upon the results obtained duri...
To determine the relationship between the oral ingestion volume of xylene and methyl hippuric acid (MHA) in urine, we measured MHA in 11 patients whose ingested xylene volume was identified. The best-fit equation between urine MHA and ingested amount of xylene was as follows: y (ingested amount of xylene, mL/kg) = -0.052x² + 0.756x (x = MHA in urine in g/g creatinine). From this equation, we es...
Anaerobic toluene degradation is initiated by adding to fumarate via the glycyl radical enzyme benzylsuccinate synthase (BSS). We developed a recombinant production system producing active BSS and present data on effects of some active-site mutants. A single substitution Ile617 Val inside hydrophobic pocket site leads an extended substrate range variant, which includes conversion m-xylene, but ...
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