nmr造句
61) By imitating of the design characters of the high frequency circuit, the origin and the classification of the noise interferences of the low field NMR circuit system are analyzed.
62) Ziprasidone hydrochloride and its intermediate chemical structure by 1 H - NMR , MS, IR confirmed.
63) The structure of Yangzhou coal and products in co-processing of coal and tar were analysed by means of NMR and FTIR. Thestructural parameters were calculated.
64) The naringin was extracted from Citrus grandis' Tomentosa' by water and hydrolyzed with acid to get naringenin. The structure of naringenin was determined by NMR and chemical reaction.
65) NMR technology was used to research the silicon - oxide polyhedron structure in activated fly ash.
66) With VPO, NMR, IR, the number average molecular of polyether and sulfonation degree of sulfonated polyether were characterized.
67) Povlen type hydroxyl- chrysotile is a new variety of Povlen type Chrysotile , whose absorption, infrared, Mssbauer, EPR and NMR spectra are reported in this paper.
68) A novel associated model based on statistic associating fluid theory (SAFT), which has less parameters, is proposed for correlating NMR chemical shift data for mixtures.
69) Their structures and properties were characterized by IR, TGA, NMR and impact tester, etc.
70) The artificial sweet taste chemoceptor was catalysed by tetrabutylammonium hydroxide (TBAH), the spectrum properties of fullerenols were characterized by FT-IR, NMR and Fluorescence.
71) Two: Synthesized a novel rhodamine derivative with a single amidogen, then analyzed and characterized the dye by 1H NMR and EI-MS.
72) The polymers were characterized by IR, 1H NMR spectroscopy and DSC. The compatibilities of poly(2 ethyl 2 oxazoline) with some thermoplastic and copolymers are examined.
73) A rapid method for determining the degree of deacetylation of chitosan using near-infrared spectroscopy is proposed, which calibrating by CP/MAS NMR.
74) Structure and purity of the product were confirmed by 1 H NMR and specific rotatory power. The yield of D Penicillamine was 64%.
75) A review with 12 references. The syntheses, crystal structures, NMR spectra, aromatic properties and chemical reactivities of transition metallabenzene compounds are discussed.
76) Objective By analyzing the NMR spectra of analogs of Baogongteng A, tropane alkaloids, the effects of structural variations on chemical shifts of resonance signals were investigated.
77) A systemic review of the principles of optical pumping, influence of decay process and typical optical experiments(spin exchange, NMR etc) is presented.
78) Nuclear magnetic resonance (NMR) technology is a powerful means of organic structure determination without destroying the samples.
79) R . spectra and H NMR suggested that both CSP 1 and CSP 2 have α - glycoside linkage.
80) Nonatural Amino Acids, N protected D (L ) 4 Pyridyl alanine was Synthezed. It was identified by optical analysis, 1H NMR, IR and elementary analysis.
81) The GA inversion algorithm is valuable for both NMR core analysis and NMR log interpretation.
82) It has been reported that addition of trace quantity of DCl to NMR solns. of alkaloids resulted in extensive broadening signal of protons spatially closed to the nitrogen lone pair.
83) The techniques have advantages over conventional single quantum NMR method in obtaining simple analyzable spectra which make study of molecular structure and conformation possible.
84) The Tanning Matrix can be formed by resorcinol and oxazolidine E, and the reactioncharateristics between Tanning Matrix and collagen were investigated through NMR and size distribution analysis.
85) The block copolymers of PSt - b - PBA and PSt - b - PAA werecharacterized by FTIR, GPC and 1 H - NMR.
86) The application of HPLC - NMR in drug metabolism, natural products analysis and food analysis were reviewed.
87) Six aminoglucose conjugates were synthesized by the reaction of aminoglucose with 5-fluorouracil-1-acetic acid or 5-fluorouracil-1-propanoic acid and confirmed by IR, 1H NMR and elemental analyses.
88) Results The purity of the unknown component prepared by TLC method met the requirements of the structure identification by NMR method.
89) The lanthanide ion has the effect of inducing the NMR relaxation rates of the determined nuclei in its coordination compound in aqueous solution.
90) A simple iterative method for superimposing sets of NMR derived structures and calculation of the root mean square deviation (RMSD) of the sets is described.
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