One system found on the basis of HPLC system, which was suit for high temperature. The temperature selectivity was studied through analyzing benzene homologue and aromatic hydrocarbons.

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Reverse-phase chromatography was employed for chiral separation of tropine acid enantiomers on the cellulose tribenzoate chiral stationary phases coated on a small-particle spherical silica support in an eluant system consisting of a mixture of alcohol and water.

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After nucleosides were extracted from urine on phenyl boronic acid affinity chromatography, the analysis was performed on a column (4.6 mm i.d.X250 mm, 5 μm) at 22 ℃ using a lineargradient elution comprising 25 mmol/L KH2PO4 solution (pH 4.55) and 60% methanol in water with UV detection at 260 nm.

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Now our workshop area is about 100, 000 square meters and our main production equipment is two sets of German MAN Roland R904-7B type outsize four color offset press which is the biggest paper range(1.6m*1.2m) of offset printing machine in the world, one set of Heidelberg speed master four color sheet-fed offset press, one set of Roybi four color offset press, two sets of automatic folder gluer, two sets of film blowing machines, one set of UV machine and nine sets of die-cutting and creasing machines.

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Chinese goods are printed barcode encoding center accreditation units, Zhejiang news publications designated printing units, Zhejiang Province, tobacco, drugs designated person with the printing units, Wenzhou City designated trademarks printing units, through the ISO9001: 2000 Quality Management System Certification enterprises. Completed in 2002 industrial output value 96 million yuan, plant area of 20,000 square meters, building area of 16,600 square meters, tall and spacious building has a modern plant, with the world's most advanced pre-press printing equipment Heidelberg Speedmaster CP2000 large for open four-color offset press 2 Units, Japan's Mitsubishi five-color offset press, one Taiwan, Japan's Mitsubishi four-color offset press 1 to open the four Units, as well as Canada Creo CTP system, one set, a higher degree of automation, automatic die-cutting machines, high-precision bound books folder gluer and other packaging equipment and printing equipment.

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Ion exclusion chromatography was used for the determination of organic acids in both beer and white wine with common HCl solution as an eluent and tetrabutylammoniun hydroxide as a regenerant.

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Objective To improve the veracity of colour-matching, we studied the widdle 1/3 of Vitapan Classical tabs.

目的：研究Vitapan Classical比色板各比色片中1/3部分的色度值的分布規(guī)律中文成人精品字幕在线视频观看免费，以利于提高臨床上的比色準確率日韩精美乱伦一区。