对溶剂、温度做了改进，产率大大提高。 产物经核磁、质谱、红外鉴定。
The yield has been rapidly improved by the improvement in the solvents and the temperature.
碳定年法和红外线分析法对这幅作品作出的分析鉴定支持了上述说法。
Carbon dating and infrared analysis of Leonardo's techniques back up the theory.
他们并没有打算让利用红外热成像摄像机快速鉴定可能受到感染的动物的方法成为一种诊断性检测方法。
Their method, which USES IRT cameras to quickly identify potentially infected animals, is not intended to be a diagnostic test.
目前的研究表明，红外人脸识别也可以作为一种很好的生物鉴定技术。
Recent research has showed that infrared face recognition can also be a good technique for biologic identification.
并对合成产物的熔点、红外光谱等进行了分析、鉴定。
And the synthesis products were analyzed by measuring melting piont, IR etc.
油脂部分依次以石油醚、苯、氯仿、乙酸乙酯、丙酮、乙醇为淋洗剂进行洗脱，利用红外光谱、核磁共振光谱法对所分离组分进行了结构鉴定。
The compositions of grease were eluted with petroleum ether, benzene, chloroform, ethyl acetate, acetone, ethanol and characterized by means of IR and NMR spectroscopy.
目的：建立不同金莲花药材的红外光谱鉴别方法，为对其科学评价与品质鉴定提供新技术。
Objective: to establish a method to identify different Flos Trollii with ir spectra and to provide a new technique for their science estimation and quality identification.
反应产物用稀盐酸溶液洗涤，将所得沉淀干燥后经分离纯化，对纯化产物进行高分辨质谱、红外光谱鉴定。
The residue was washed with dilute hydrochloric acid solution, The precipitation was dried, purified, and identified by the infrared spectrometry (IR) and high mass spectrometry(HRMS)with DES-HS.
采用元素分析、熔点、红外光谱等鉴定了新化合物的结构。
The structures of the synthesized new compounds have been identified by elementary analysis, melting points and IR spectra.
利用红外吸收光谱及核磁共振波谱仪的一维和二维技术对一种未知聚合物试样进行鉴定。
An unknown polymer was determined by one-dimension and two-dimension technologies of infrared absorption spectroscopy and nuclear magnetic resonance.
红外光谱仪已广泛地应用于宝石研究与鉴定，其中直接透射技术使用最广泛。
The direct transmission technique is the most common method in measuring infrared spectrum of gemstone.
目的用近红外漫反射光谱法鉴别中药红曲，为生药鉴定提供一种新的方法。
Objective To establish a clustering analysis by near infrared diffuse reflectance spectrometry in order to provide a new procedure to identification of the Chinese traditional medicine, Red Kojic.
目的用近红外漫反射光谱法对部分羊蹄类生药进行鉴别，为生药鉴定提供一种新的方法和手段。
Object To establish a new method for the identification of Yangti (Chinese herb from Rumex L., Polygonaceae) by near infrared diffuse reflectance spectrometry.
这些新化合物均经元素分析和红外光谱鉴定。
All of the compounds were confirmed by elemental analysis and ir.
将萃取所得产物用硅胶柱色谱进一步分离，用红外光谱，紫外光谱和核磁共振光谱等手段鉴定所得结晶。
The extraction was analyzed by HPLC, and was separated by column chromatography ulteriorly. The crystal was identified by IR spectrum, UV spectrum, NMR, et al.
采用红外光谱、核磁共振氢谱、质谱等方法对1-(1 -环己烯)基二茂铁的结构进行鉴定，并介绍了一种较为方便的合成方法。
The structure of 1 - (1-cyclohexene) ferrocene is analyzed by IR, 'HNMR, MS and a method of synthesis is introduced in this paper.
对产物组成进行了鉴定，并用红外光谱讨论了烯丙基的结构。
The product was identified and its infrared absorption related to the structure of allyl group was discussed.
通过红外光谱、核磁共振和负离子电喷雾质谱三种表征技术鉴定了原油中的石油酸结构和组成。
The structures and compositions of the purified petroleum acids were characterized by using infra-red spectrum, nuclear magnetic resonance and negative-ion electrospray ionization mass spectrum.
并用红外光谱、质谱、核磁共振、元素分析等方法对三氯蔗糖的结构进行了鉴定。
The structure of sucralose was also identified by the methods of IR, MS, NMR and elemental analysis.
研发了这种新的烯类单体(MG)的最佳制备条件，并通过红外光谱、元素分析等结构鉴定方式分析了该单体的结构。
The best synthesis conditions of the new olefin monomer (MG) were developed. And its structure was analysised under the way of IR spectroscopy, elemental analysis and mass spectrometry.
用红外光谱MALDI-TOF质谱和同步X 射线吸收谱以及计算机模拟对NDH进行了鉴定和表征。
NDH was identified and characterized with infrared (IR), MALDI-TOF mass, and synchrotron X-ray absorption spectroscopies (XAS), and with computer simulations.
本文对采自南极普里兹湾及邻近海域沉积物中的高岭石运用X射线衍射、差热分析、红外吸收光谱及电子显微照相等方法进行了鉴定。
Kaolinite from sediments in Prydz Bay and adjacent sea area is identified by X-ray differential thermal analysis, infrared absorption spectrum and electron micrograph.
红外光谱仪已广泛地应用于宝石研究与鉴定，其中直接透射技术使用最广泛。
The infrared spectroscope has been widely used in gem research and identification. The direct transmission technique is the most common method in measuring infrared spectrum of gemstone.
介绍了利用傅里叶变换红外光谱（ FT-IR）和差示扫描量热法（ DSC）对FEVE与PVDF系建筑装饰用氟碳涂层进行定性鉴定的方法，并用实例加以说明。
The qualitative test method using FT-IR and DSC for architectural decoration fluorocarbon coatings such as FEVE and PVDF has been introduced. Some examples were used for better explanation.
产物分子结构用元素分析、红外光谱及核磁共振谱（1HNMR）进行了鉴定。
The molecular structure of tertbutyl glycinate hydrochloride is characterized and confirmed by elementary analysis, FTIR and 1HNMR.
以取代的芳基酮为原料，合成了一系列6,6 -取代芳基富烯，这些富烯都经过了核磁共振、元素分析、质谱和红外光谱的鉴定。
Some new 6, 6-diaryl fulvenes were synthesized from the diaryl ketones. Their structures were characterized by ir, 1h NMR, MS spectra and elemental analysis.
结果所合成的化合物经紫外、红外、核磁、质谱等初步鉴定为目标化合物。
RESULTS The structure of target compound was confirmed by 1 HNMR , MS and IR.
结果利用气相色谱、色谱-质谱联用、红外光谱等分析表征手段，鉴定反应产物确实是硼酸三甲酯。
By means of gas chromatography, mass spectrometry and IR spectrum, the product was confirmed to be trimethyl borate.
傅里叶变换红外光谱技术可以有效、快速、无损和准确地鉴定处理翡翠。
FTIR spectrometer technique has been found to be a useful, fast, non-destructive and accurate method for identification of bleached jadeite.
并利用傅立叶变换红外光谱对胶原结构进行鉴定，同时采用高效液相色谱对所提胶原蛋白进行氨基酸组成分析。
The structure of collagen was identified with Fourier Spectrum, and the aminophenol of collagen was assayed with high performance liquid chromatography.
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