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fluorene/dichloromethane
लिंक क्लिपबोर्ड पर सहेजा गया है
पृष्ठ 1 से 27 परिणाम
Synthesis, photophysical and electrophosphorescent properties of fluorene-based platinum(II) complexes.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
A series of platinum(II) complexes bearing tridentate cyclometalated C^N^N (C^N^N=6-phenyl-2,2'-bipyridine and π-extended R-C^N^N=3-[6'-(naphthalen-2''-yl)pyridin-2'-yl]isoquinoline) ligands with fluorene units have been synthesised and their photophysical properties have been studied. The fluorene
Isolation of priority polycyclic aromatic hydrocarbons from natural sediments and sludge reference materials by an anti-fluorene immunosorbent followed by liquid chromatography and diode array detection.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The selective isolation of PAHs from complex environmental mixtures was accomplished by means of a new methodology based on antigen--antibody interactions. This method consists on the extraction of PAHs from water samples onto an anti-fluorene immunosorbent (IS) followed by liquid chromatography
Unexpected multiple activated steps in the excited state decay of some bis(phenylethynyl)-fluorenes and -anthracenes.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The temperature effect on the photophysical parameters of four acetylene-derivatives [bis(phenylethynyl)-anthracenes and -fluorenes with substituents of different electron acceptor efficiencies] has been investigated by absorption and emission spectroscopy, using stationary and pulsed (ns/fs
New pyrimidine- and fluorene-containing oligo(arylene)s: synthesis, crystal structures, optoelectronic properties and a theoretical study.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
New pyrimidine containing oligo(arylene)s, notably the pyrimidine-fluorene hybrid systems 13-16, have been synthesised by Suzuki cross-coupling methodology. An efficient synthesis of the key reagent 9,9-dihexylfluorene-2,7-diboronic acid 10 from 2,7-dibromo-9,9-dihexylfluorene 9 is reported.
[The Design, Synthesis, Characteristics and Photoelectric Properties Research of A Bulky Steric Hindrance 9-Phenyl-Fluorene Functionalized Aniline Intermediate].
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
In this paper, with sulfuric acid as a catalyst and acetic acid as solution at the temperature of 120 ℃ and refluxing period for 24 hours, a sterically hindered bulky 9,9-diarylfluorene intermediate of [9-(4-anilino)-9-phenyl-fluorene] had been successfully designed and synthesized with
Well-defined novel fluorene-containing polymers: synthesis, fluorescent properties, and micellar nanoparticles.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
We report the synthesis of a new monomer, 9,9-diethylfluoren-2-yl methyl methacrylate (FMMA) and its controlled reversible addition-fragmentation chain transfer (RAFT) homopolymerization to give PFMMA with narrow polydispersity indices (PDIs). The corresponding copolymerization with
Studies on the positive-ion mass spectra from atmospheric pressure chemical ionization of gases and solvents used in liquid chromatography and direct liquid injection.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
Detailed studies have been made using different source gases and solvents in a Micromass Quattro mass spectrometer under positive ion atmospheric pressure chemical ionization conditions. The major background ions from nitrogen, air, or carbon dioxide were investigated by tandem mass spectrometry,
Reversed Phase SPE and GC-MS Study of Polycyclic Aromatic Hydrocarbons in Water Samples from the River Buriganga, Bangladesh.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
Polycyclic aromatic hydrocarbons (PAHs) are semivolatile organic compounds (SVOCs) categorized as persistent organic pollutants (POPs). PAHs are ubiquitous in terrestrial, atmospheric, and particularly aquatic environments throughout the world and have been detected in lakes, ground waters, and
[Research on a new side-chain liquid crystalline polysiloxane as stationary phase for capillary column gas chromatography].
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
A new stationary phase, side-chain liquid crystalline polysiloxane, was obtained and used in capillary column gas chromatography. Two kinds of side-chain polysiloxane, PSI5 and PSI6, were characterized by polarized light microscopy (POM), differential scanning calorimetry (DSC) and X-ray diffraction
[Simultaneous determination of 15 polycyclic aromatic hydrocarbons in cigarette filter by gas chromatography-tandem mass spectrometry].
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
A method for the simultaneous determination of 15 polycyclic aromatic hydrocarbons in cigarette filter was developed by isotope internal standard combined with gas chromatography-tandem mass spectrometry. The cigarette filters were extracted with dichloromethane, and the extract was filtered with
Sample preparation improvement in polycyclic aromatic hydrocarbons determination in olive oils by gel permeation chromatography and liquid chromatography with fluorescence detection.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The determination of 15 polycyclic aromatic hydrocarbons (PAHs) in olive oil samples has been improved in order to obtain a fast methodology with a low limit of detection through the combination of liquid-liquid extraction with acetonitrile and preparative gel permeation chromatography (GPC) prior
Efficient photochromic transformation of a new fluorenyl diarylethene: one- and two-photon absorption spectroscopy.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
Efficient reversible phototransformation of a new diarylethene-fluorene derivative, 1,2-bis(5-(9,9-didecyl-7-nitro-9H-fluoren-2-yl)-2-methylthiophen-3-yl)cyclopent-1-ene (1), was demonstrated in organic media under low-intensity laser excitation. Linear photophysical characterization of 1 was
Vortex-assisted extraction combined with dispersive liquid-liquid microextraction for the determination of polycyclic aromatic hydrocarbons in sediment by high performance liquid chromatography.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
A simple, rapid, and efficient method, vortex-assisted extraction followed by dispersive liquid-liquid microextraction (DLLME) has been developed for the extraction of polycyclic aromatic hydrocarbons (PAHs) in sediment samples prior to analysis by high performance liquid chromatography fluorescence
The importance of both charge exchange and proton transfer in the analysis of polycyclic aromatic compounds using atmospheric pressure chemical ionization mass spectrometry.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The response of atmospheric pressure chemical ionization (APCI) mass spectrometry to selected polycyclic aromatic compounds (PACs) was examined in a Micromass Quattro atmospheric pressure ion source as a function of both solvents and source gases. Typical PACs found in petroleum samples were
Fluorescence spectroscopy of complex aromatic mixtures.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The contribution of two- to seven-ring polycyclic aromatic hydrocarbons (PAH) and of larger aromatic structures contained in complex PAH-laden mixtures collected in flames was evaluated by fluorescence spectroscopy. A composition procedure of the fluorescence spectra of individual PAHs, analyzed by
विज्ञान द्वारा समर्थित सबसे पूर्ण औषधीय जड़ी बूटी डेटाबेस
- 55 भाषाओं में काम करता है
- विज्ञान द्वारा समर्थित हर्बल इलाज
- छवि द्वारा जड़ी बूटी की मान्यता
- इंटरएक्टिव जीपीएस नक्शा - स्थान पर टैग जड़ी बूटियों (जल्द ही आ रहा है)
- अपनी खोज से संबंधित वैज्ञानिक प्रकाशन पढ़ें
- उनके प्रभाव से औषधीय जड़ी बूटियों की खोज करें
- अपने हितों को व्यवस्थित करें और समाचार अनुसंधान, नैदानिक परीक्षणों और पेटेंट के साथ अद्यतित रहें
एक लक्षण या बीमारी टाइप करें और जड़ी-बूटियों के बारे में पढ़ें जो मदद कर सकती हैं, एक जड़ी बूटी टाइप करें और बीमारियों और लक्षणों को देखें जिनके खिलाफ इसका उपयोग किया जाता है।
* सभी जानकारी प्रकाशित वैज्ञानिक शोध पर आधारित है
