助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   coherence transfer 的翻译结果: 查询用时:0.007秒
图标索引 在分类学科中查询
所有学科
物理学
更多类别查询

图标索引 历史查询
 

coherence transfer
相关语句
  相干传递
     The structure and configuration of key component of urushiol (64.4%) were determined successfully by 1H and 13C conventional methods, DEPT technique, homo and beleronuclcar chemical shift correlation 2D-NMR, 2D-J NMR, helcronuclear relayed coherence transfer 2D-NMR, and relaxation time T1 investigation. The assignment of resonances for 1H and 13C were confirmed.
     对其主要组分(64.6%),用~1H、~(13)C常规谱,DEPT编辑谱,同核、异核化学位移相关二维谱,二维J谱,异核中继相干传递二维谱及弛豫时间T_1等,确定了此化合物的结构与构型和~1H、~(13)C谱线归属。
短句来源
     On the Coherence Transfer Function of the Optical Coherence Tomography System
     光学相干层析系统相干传递函数研究
短句来源
     Coherence Transfer Function of the Fiber-optic Confocal Sensor Using a Gradient-index Lens
     自聚焦共焦光纤传感系统的相干传递函数
短句来源
     The OCT system behaves just like a linear shift invariance system with complex amplitude. The transverse coherence transfer function (CTF) is characterized by lowpass while the longitudinal CTF, by bandpass. So the transverse image measured represents the low spectra information of the internal transverse structure of a sample and the longitudinal image represents the high spectra information of the internal longitudinal structure.
     在弱物体近似下分析了OCT系统图像形成机理.研究表明,OCT系统相当于一复振幅线性平移不变系统,其横向相干传递函数具有低通特性,纵向相干传递函数具有带通特性.因此,系统测量的横向图像反映了样品内部横向结构的低频信息,纵深图像为内部纵深结构的高频信息.
短句来源
     Coherence transfer function of differential contrast coherence tomography microscope
     微分干涉相衬层析显微镜的相干传递函数
短句来源
更多       
  相干转移
     A new NMR technique for measurement of lD Homonuclear Total Correlation,called the one-dimensional spin echo MDY coherence transfer (ID-SEMDY) was developed. The results obtained show that the efficiency of magnetization transfer among sugar residues of glycoside are much batter for this method than that for ID-HOHAHA,lD-relayed HOHAHA Ol lD multiple relay COSY and a lD-TOCSY spectrum with all peaks in the absorption mode can be obtained without the use of the Z-filter.
     提出一种新的基于MDY混合脉冲的可测定一维同核全相关的核磁共振技术.称为一维自旋回波MDY相干转移(lD-SEMDY)实验.结果表明.它具有下列突出优点:一是不用Z-滤波技术就可以得到纯吸收型的一维全相关谱(lD-TOCSY).与同类技术相比,操作简便.可节省测定时间.应用范围较广;
短句来源
  “coherence transfer”译为未确定词的双语例句
     The principle of selecting the strength of G5 and G6 is that the area of G5 is kept to be constant in arrayed experiment in the condition of fulfilling the selection of the coherence transfer pathway.
     和G。 的强度的选择,原则上,在保证充分实现多量子相干信号选择的条件下,只须在做数组实验时使G。
短句来源
     four new compounds of 5-fluorouracil derivatives were thoroughly studied by homo-and heteronuclear chemical shift correlation, heteronuclear relayed coherence transfer, and long rangecoupling heteronuclear relayed coherence transfer, and long range coupling heteronuclear chemical shift correlation spectroscopies . The structures and assignments of their 1H, 13C resonances were determined.
     本文是用同核、异核化学位移相关二维谱、异核中继根干传递二维谱和异核远程偶合相关二维谱,对四个新的5—氟脲嘧啶衍生物进行了全面的研究,确定了它们的结构及~1H、~(13)C谱线归属.
短句来源
     The 1H chemical shifts of ginsenoside-Rb1 were assigned completely by means of COSY and homonuclear RELAY spectroscopy. Some external cross peaks were observed in single and mutiple homonuclear RELAY spectra, the results of calculation of product operator indicated that these external cross peaks originated from the relayed coherence transfer of long range coupling interaction of protons.
     用同核化学位移相关谱和同核RELAY谱等二维NMR方法完全归属了复杂天然有机化合物人参皂甙Rb_1的~1H NMR谱线,并用积算符方法证实一级和二级RELAY实验中观察到的意外交叉峰是通过远程偶合传递的RELAY信号。
短句来源
     projection operators have been employed to find polynomial expressionsfor exponential operators. The method can solve the problem that coherence transfer of InSspin systems(I=S=1/2,n≥2)evolve under cross polaization and isotropic mixing.
     常规的积算符法不能获得自旋为1/1I_nS(n≥2)体系的密度算符在交叉极化和各向同性混合过程随时间演化的解析解。
短句来源
     The multiphasic analysis software of electrogastrogram, which includedautospectrum, autocorrelation, probability, cross spectrum, magnitudesquared coherence, transfer function, cross correlation impulse responseSCOT function, PHAT function, Echart function and ML estimator,wasdeveloped.
     研制了胃电多相分析软件,包含有十二种分析方法:自功率谱、自相关、概率密度、互功率谱、幅值平方相关、转移函数、互相关、冲激响应、平滑相关变换、相位变换、Eckart函数、最大似然估计;
短句来源
更多       
查询“coherence transfer”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  coherence transfer
The search for additional insight into multiquantum evolution (or coherence transfer) from the use of dual bases motivates this work - cf.
      
The present work relates specifically to NMR evolution and to coherence transfer processes.
      
The coherence transfer characteristics of the sequences obtained were evaluated by numerical simulations.
      
The coherence transfer characteristics of the mixing schemes were assessed via numerical simulations and experimental measurements and were compared with commonly used sequences based on rectangular RF pulses.
      
The coherence selection for the 15N spins can be obtained using the gradient selected and coherence order selective coherence transfer, whereas the hypercomplex (States) method is simultaneously employed for the 13C coherence selection.
      
更多          


The urushiol diacetatcs have been successfully separated on the silica gel coated with silver nitrate by centrifugal rotation TLC. The structure and configuration of key component of urushiol (64.4%) were determined successfully by 1H and 13C conventional methods, DEPT technique, homo and beleronuclcar chemical shift correlation 2D-NMR, 2D-J NMR, helcronuclear relayed coherence transfer 2D-NMR, and relaxation time T1 investigation. The assignment of resonances for 1H and 13C were confirmed. Plenty of cvidence...

The urushiol diacetatcs have been successfully separated on the silica gel coated with silver nitrate by centrifugal rotation TLC. The structure and configuration of key component of urushiol (64.4%) were determined successfully by 1H and 13C conventional methods, DEPT technique, homo and beleronuclcar chemical shift correlation 2D-NMR, 2D-J NMR, helcronuclear relayed coherence transfer 2D-NMR, and relaxation time T1 investigation. The assignment of resonances for 1H and 13C were confirmed. Plenty of cvidence shows that the key component of urushiol is 3-(8'Z, 11'E, 13'Z-pentadccatrienyl) catechol. The results show that RELAY 2D-NMR new technique can be successfully applied to determining the structure of complicated unknown compounds.

用离心旋转薄层层析法在涂渍AgNO_3的硅胶板上成功地分离了乙酰化漆酚。对其主要组分(64.6%),用~1H、~(13)C常规谱,DEPT编辑谱,同核、异核化学位移相关二维谱,二维J谱,异核中继相干传递二维谱及弛豫时间T_1等,确定了此化合物的结构与构型和~1H、~(13)C谱线归属。实验证明漆酚中此组分是3-十五碳烯烃(8′Z、11′E、13′Z)邻苯二酚,异核中继相干传递二维谱新技术能有效地应用于复杂未知化合物的结构测定。

2D-heteronuclear relayed coherence transfer and 2D-long range heteronuclear correlation spectroscopy were successfully applied to the determination of the structures and the assignment of resonances of 5 -fluorouracil derivatives. The results show that XCORFE method plays an important role in confirming the connection mode of quaternary carbon or other atoms in the molecules.

异核中继相干传递二维谱(RELAY)和远程偶合异核化学位移相关二维谱(XCORFE)被成功地用来研究5—氟脲嘧啶衍生物的结构与谱线归属。结果表明,在确定分子中季碳或其它核的连接方式时,XCORFE方法有着重要作用。

2D-NMR, developed in recent ten years, plays an important role in studying structures of organic molecules. four new compounds of 5-fluorouracil derivatives were thoroughly studied by homo-and heteronuclear chemical shift correlation, heteronuclear relayed coherence transfer, and long rangecoupling heteronuclear relayed coherence transfer, and long range coupling heteronuclear chemical shift correlation spectroscopies . The structures and assignments of their 1H, 13C resonances were determined.

2D—NMR是近十年来出现的新技术,在有机分子结构的研究中起着重要作用.本文是用同核、异核化学位移相关二维谱、异核中继根干传递二维谱和异核远程偶合相关二维谱,对四个新的5—氟脲嘧啶衍生物进行了全面的研究,确定了它们的结构及~1H、~(13)C谱线归属.

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关coherence transfer的内容
在知识搜索中查有关coherence transfer的内容
在数字搜索中查有关coherence transfer的内容
在概念知识元中查有关coherence transfer的内容
在学术趋势中查有关coherence transfer的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社