抗变态反应平喘新药氮Zhuo斯汀^1H和^13C NMR谱线的归属

用１Ｄ（ＮＯＥ差谱，ＤＥＰＴ谱）和２ＤＮＭＲ技术（ＨＨＣＯＳＹ、ＨＭＱＣ和ＨＭＢＣ）归属了合成抗变态反应平喘新药氮Ｚｈｕｏ斯汀两种异构体的＾１Ｈ和＾１３Ｃ ＮＭＲ谱线。     

COHERENT OSCILLATORY WAVES FOR MULTIDIMENSIONAL HYPERBOLIC SYSTEMS

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浅论高校教师业务档案的建立与管理

浅论高校教师业务档案的建立与管理童晓风（浙江水产学院院长办公室，舟山３１６１０１）ＯＮＥＳＴＡＢＬＩＳＨＭＥＮＴＡＮＤＭＡＮＡＧＥＭＥＮＴＯＦＥＤＵＣＡＴＩＯＮＡＬＤＯＣＵＭＥＮＴＳＦＯＲＣＯＬＬＥＧＥＴＥＡＣＨＥＲＳＴｏｎｇＸｉａｏｆｅｎｇ（ＺｈＥ...     

2，4－二硝基五环［4．3．0．0~（2，5）．0~（3，8）．0~（4，7）］壬烷~1H和~（13）C NMR的完全归属

利用１Ｈ－１ＨＣＯＳＹ，１３Ｃ－１ＨＣＯＳＹ，１３Ｃ－１Ｈ远程ＣＯＳＹ以及选择性远程ＤＥＰＴ１３ＣＮＭＲ谱，对２，４－二硝基五环［４．３．０．０２，５．０３，８．０４，７］壬烷的１Ｈ和１３ＣＮＭＲ谱进行了完全的归属．     

N,N—二乙基二硫代氨基甲酸烯丙基酯（ADC）的NMR研究

对Ｎ，Ｎ－二乙基二硫代氨基甲酸烯丙基酯（ＡＤＣ）的＾１Ｈ ＮＭＲ谱，＾１３Ｃ ＮＭＲ谱及Ｈ－＾１Ｈ．＾１３Ｃ－＾１Ｈ化学位移相关谱测定结果进行了讨论。对＾１３Ｃ ＮＭＲ和＾１Ｈ ＮＭＲ谱峰作出了归属，并确认了ＡＤＣ的链结构。     

EXPERIMENTSTUDYONTHERELATIONSHIPBETWEENKINKANDMYLONITE

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TECTONIC DEVELOPMENT OF THE METAMORPHIC CORE COMPLEX OF THE WUGONGSHAN IN THE NORTHERN JIANGXI PROVINCE

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HARMONIC AC SUSCEPTIBILITY FOR TEXTURED YBa_2Cu_3O_7

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市场经济下渔业行政执法若干问题初探

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NMR Dynamic Studies in Living Systems

IntroductionApplications of nuclear magnetic resonance(NMR) spectroscopy in the study of living systemsrepresent an ever-expanding area of researchactively pursued in many universities and researchinstitutions[1 ] .The interestin studying living cellswith NMR techniques stemmed from the exchangeexperiments of human blood cells in D2 Operformed by Odeblad et al.in the mid-1 95 0 s[2 ] .Continued interest in defining and explaining theproperties of water in biological tissue from themid-1 96…     

锂、钠、钾三金属原子簇化合物的合成与结构表征

利用叔丁醇锂、叔丁醇钠、叔丁醇钾和叔丁胺基锂为起始原料,在温和的条件下通过分子自组装合成了含有烷氧基胺基共存的双阴离子的锂、钠、钾三金属共存的原子簇化合物[Li_4Na_2K_2(NH~1Bu)_2(O~1Bu)_6]·(TME-DA)_2(1),应用~1H NMR,~(13)C NMR,~7Li NMR,~(23)Na NMR及X-射线单晶衍射等技术对其结构进行了表征.     

盐酸坦索罗辛的波谱学研究

对盐酸坦索罗辛的红外光谱(FT-IR)、一维及二维核磁共振谱(1H NMR,13C NMR,DEPT,1H-1H COSY,HSQC,HMBC)进行了解析,对其所有的NMR谱信号进行了归属,讨论了红外特征吸收峰所对应的官能团的振动形式,确证了盐酸坦索罗辛的结构。     

Nuclear magnetic resonance imaging of a single cell

Nuclear magnetic resonance (NMR) imaging is now an established tool in clinical imaging and competes favourably with conventional X-ray computerized tomography (CT) scanning. The drive behind NMR imaging has primarily been in the area of whole-body imaging, which has been limited clinically to fields of up to 1.5 T (60 MHz). It is recognized that there may be substantial advantages in obtaining images with sub-millimetre spatial resolution. Also, there may be benefits to imaging at higher fields, since the signal increases as the square of the magnetic field. Using a modified 9.5 T 89-mm-bore high-resolution NMR spectrometer, we have now obtained the first NMR images of a single cell, demonstrating the advent of the NMR imaging microscope. The NMR microscope is expected to have considerable impact in the areas of biology, medicine and materials science, and may serve as a precursor to obtaining such resolutions on human subjects.     

Relativistic mapping between NMR and NSR

We highlight three aspects of NMR(nuclear magnetic resonance)and NSR(nuclear spin-rotation):(1)Relativistic theory of NMR:The nonrelativistic theory of NMR was established in 1950 by Ramsey,butthe corresponding relativistic counterpart was long plagued by the’missing’diamagnetism.This was fully resolved only in 2007.(2)Relativistic theory of NSR:The nonrelativistic theory of NSR was also established in 1950 by Ramsey.     

基于1,4:3,6-二缩水-D-果糖的噁唑烷衍生物的NMR研究

以1,4:3,6-二缩水-D-果精为原料合成了4个新的噁唑烷衍生物,由于化合物中含有多个相同的结构单元,造成化学环境非常相似.采用1H NMR、13C NMR、DEPT及二维谱1H-1H COSY、HSQC、HMBC和高分辨质谱(HRMS)对其1H、13C NMR全谱给予了准确归属,并结合NOESY谱和相关化合物的X射线单晶衍射结果证实了化合物的立体结构.     

Two-state kinetics characterized by image analysis of nuclear magnetic resonance spectra

Nuclear magnetic resonance (NMR) spectroscopy has become an important tool in modern biological research. NMR spectra image analysis can be used to analyze the kinetics of biomacromolecular conformational changes.The relationship between the image parameters and the protein dynamics was investigated by using a small globular protein ω-conotoxin SO3 (ω-CTX SO3). The physical meanings of the image parameters were characterized from the results. Comparison of the data from the traditional integral area of specific resonance peaks method and the NMR image analysis method showed the advantages of using NMR spectra image analysis for kinetic analysis of two-state processes monitored by 1D proton NMR.     

伪随机噪声激发核磁共振的计算机辅助研究

本文阐述了用伪随机噪声激发的核磁共振原理,在计算机上发生伪随机噪声,用计算机模拟了伪随机噪声激发的核磁共振方法,得到的结果与理论一致。本文工作是对该核磁共振方法中数字信号处理的一次实现,也对这种方法的特点作了进一步探讨。     

薄互层页岩油核磁共振测井响应特征——以准噶尔盆地二叠系风城组为例

为明确核磁共振(nuclear magnetic resonance, NMR)测井仪纵向分辨率对薄互层陆相页岩响应特征的影响,以准噶尔盆地二叠系风城组3组薄互层接触面全直径岩心为研究对象,通过设计不同岩心取样方式,模拟核磁共振仪器不同纵向分辨对薄互层的核磁共振测量。研究核磁共振仪器纵向分辨率在不同薄互层厚度情况下横向弛豫时间T₂谱的响应特征的差异,明确核磁共振仪器纵向分辨率对T₂谱形态、核磁孔隙度、核磁T₂特征截止值及几何平均值的影响。结果表明：当薄互层物性差别较大且仪器纵向分辨率较低时,T₂谱形态不能准确反映真实储层特征,进行核磁测井资料解释需要考虑分辨率的影响;核磁孔隙度受仪器纵向分辨率影响较小,是薄互层探测区域的线性平均值;T₂特征截止值和几何均值会受到较大影响,会造成核磁有效孔隙度、可动流体饱和度和核磁渗透率偏小。研究结果对薄互层型页岩储层核磁共振测井评价具有重要指导意义,为核磁共振测井在页岩薄互层储层性质评价提供了参考依据。     

核磁共振法测定航空燃油含氢量的软件设计

观测并分析了用射频线圈得到的核磁共振信号的特点,注意到两个连续核磁共振峰值高度不同,在磁场上升时的核磁共振峰大于磁场下降时的核磁共振峰.本文对用微型计算机及微处理器控制的核磁共振法测量航空燃油含氢量中的软件进行了讨论,给出了软件流程图.