波谱
- 与 波谱 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The results showed the relationship between the amount of 2,4-D sorbed by the two humic acids and the reaction time, with the adsorption process for both acids being very fast at the beginning, then becoming slower and finally reaching equilibrium.
分别将黑土和栗钙土土壤样品提取胡敏酸,然后采用批量平衡震荡法进行吸附实验,并利用傅里叶红外光谱和电子顺磁共振波谱两种分析方法探讨其机理。
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The acquisition and post-processing of the spectrum data:all the scannings are compeleted by the MRI of GE Twinspeed 1.5 Ts scanner(GE Medical System, Milwaukee,USA) which has been tested for its data stability before the scannings begin.
波谱数据的采集和后处理:所有的扫描均采用1.5T超导MRI扫描仪(GEMedical System,Milwaukee,USA)完成,机器在扫描前进行数据稳定性的测试。
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Studies on Satellite Snowcover Moritoring and Snowmelt Runoff Forecasting in Upper Reachers of the yellow River,Proceeding of Asian Symposium on Remote Sensing,1991
冯学智,曾群柱,曹梅盛,地物波谱数据文件库的设计与管理,科学出版社,19887。冯学智,T。 J。 Elsey,遥感图象的增强与冻土环境信息的提取方法,科学出版社,1988
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Systematic investigations were made on relationship between 31P nuclear magnetic resonance of chemical shifts of 291 phosphines and their molecular structure parameters of phosphorus atoms, such as ionicity index and stereoscopic effect parameters.
摘 要 采用离子性指数、立体效应参数对291个膦化合物中磷原子进行结构表征,并与其核磁共振磷谱(31P NMR)建立定量结构波谱关系模型。
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Systematic investigations were made on relationship between nuclear magnetic resonance of chemical shifts of 291 phosphines and their molecular structure parameters of phosphorus atoms, such as ionicity index and stereoscopic effect parameters ε(subscript i.
采用离子性指数、立体效应参数ε(下标 i对291个膦化合物中磷原子进行结构表征,并与其核磁共振磷谱(31P NMR)建立定量结构波谱关系模型。
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As the analysis and measurement of yarn evenness occupies special importance to the quality controlling of many textile products, three main problems on the topic, which are: the mathematical modelling of the ideal slivers and yarns, the digital algorithms for measuring variance-length curves, spectrograms and imperfections, and the system design of the yarn evenness tester of a digital type, are studied in the dissertation mainly from the viewpoint of the subject of signal processing with the applications of the theory of stochastic processes and the technique of wavelet analyses.
纱线条干均匀度的分析和测量对纺织品质量的控制和提高具有重要的意义。本论文从信号处理的角度出发,应用随机过程理论和小波分析方法,着重研究了条干均匀度分析和测量中的二个主要问题,即理想纱条的数学建模问题和变异曲线、波谱图及疵点的数字测量问题,并进行了数字型条干均匀度测试仪的设计和研制工作。
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Employing high-dilute method and 5-fold excess amine prepared two new "two-armed" acyclic diamine intermediates I_a and I_b, which are also intermediates of synthesizing microcyclic compounds, and eight aromatic Schiff bases, II_, were synthesized from reaction of I_a or I_b condensing with different aromatic aldehydes. Their composition and structure were characterized by Elemental analysis, IR, UV-Vis, LIF,~1HNMR and MS. The hydrogen bond interactions and MS fragmental patterns were also discussed.3. Several novel transition metal complexes using II_a as ligand were synthesized and identified by Elemental analysis, IR, UV-Vis,~1HNMR and molar conductivity.
1,采用高度稀释及胺过量五倍的方法合成了两个具有吡啶双酰胺臂的非环二胺Ⅰ_a和Ⅰ_b,并以它们为中间体进一步合成了八个芳香席夫碱Ⅱ_a-Ⅱ_h,通过元素分析及各种波谱测试鉴定了它们的组成与结构,对化合物的UV-Vis、LIF、IR、~1HNMR及MS进行了较为详细的讨论,还探讨了席夫碱的氢键相互作用及质谱裂解方式; 2,以席夫碱Ⅱ_a为配体合成了几个新型的过渡金属配合物,并通过元素分析、UV-Vis、IR、~1HNMR、摩尔电导及DTA—TG对其进行了表征,讨论了化合物的配位情况及配体在配位中的脱质子行为。
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Based on wavelet energy spectrum analysis, the authors propose a single-pole adaptive reclosure scheme for transmission lines.
提出一种基于小波谱能量分析的输电线路单相自适应重合闸方案。
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Two-way matrix of kinetic-spectroscopic data is obtained after measuring a series of absorption spectra during the process of chemical reaction.
针对化学反应动力学谱-吸收光谱组成的两维数据,提出了以优化速率常数而消去反应物波谱信息为减秩手段的速率常数-秩分析法。
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In this study,an electron microprobe analyzer was used to map the spatial distribution of "invisible" gold and submicron to micron size visible gold particles in arsenian pyrite in a high grade ore sample from the Shuiyindong Carlin-type gold deposit, Guizhou ,China.
采用电子探针背散射电子图像、波谱和能谱分析技术,对贵州水银洞卡林型金矿床原生富矿石中的含砷黄铁矿Au、As等元素含量及其分布规律进行了系统研究。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。