Results 1 to 10 of about 10,187 (206)
Determination of Content of Polymorphic Selenium in Foods by HPLC-HG-AFS(高效液相色谱-氢化物发生原子荧光光谱法测定食品中多形态硒含量) [PDF]
Shipin kexue jishu xuebao, 2020 A high performance liquid chromatography-hydride generation-atomic fluorescence spectrometry (HPLC-HG-AFS) for determination of selenium speciations (Se(VI), SeCys2, SeMeCys and SeMet) in Se-enriched foods (Se-enriched protein powder, Se-enriched rice ...
FANG Yan(房艳) +3 more
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Quantitative Analysis of Wheat Flour Quality using Raman Spectroscopy and Near Infrared Spectroscopy(拉曼光谱和近红外光谱在小麦粉品质定量分析中的应用) [PDF]
Shipin kexue jishu xuebao, 2014 Based on the existing spectral data, the spectral information of wheat flour was selected using the Raman spectroscopy and near infrared spectroscopy combined with the least square method.
SONG Yu(宋 瑜) +4 more
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Nondestructive Inspect of Fruit Maturity with Hyperspectral Imaging Technology(水果成熟度的高光谱成像无损检测研究) [PDF]
Shipin kexue jishu xuebao, 2015 Fruit maturity as an important indicator to measure the quality and grade of fruits, distinction of fruit maturity between different fruits could reduce the loss rate in picking, storage, transport, and other logistics sectors.
YANG Kuncheng(杨昆程) +2 more
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Nondestructive Inspect of Fruit Quality with Hyperspectral Imaging Technology(基于高光谱成像技术的水果品质无损检测) [PDF]
Shipin kexue jishu xuebao, 2013 Image cubes containing continuous spectral waveband information, in which the image information could be used for external attribute inspection while the spectral information could be applied to the internal attribute inspection, could be obtained by ...
SUN Mei(孙 梅) +4 more
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Review on Non-targeted Detection Technique for Food Safety and Quality(食品非目标性检测技术) [PDF]
Shipin kexue jishu xuebao, 2016 Non-targeted detection technique has been extensively applied in the food safety and quality in recent years. In general, a non-targeted detection combines analytical approaches,fingerprinting techniques and chemometrics to detect toxicants or foreign ...
Liangli (Lucy) Yu(俞良莉) +3 more
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Zhejiang Daxue xuebao. Lixue ban, 2009 基于(+ 1, - 1)的谱技术在数字逻辑中有许多应用.为了进一步补充谱技术理论,从归一化的Haar矩阵出发,通过对矩阵的性质分析,提出了(0,1)编码的归一化的Haar变换谱系数图——R谱系数图；提出了 R谱系数图与K图的基于折叠加减的图形互换法,并举例说明了转换过程.应用表明,对5变量以下的函数该方法具有简单、直观和准确的特点.进一步完善了(0 , 1)编码的谱技术理论,有助于开拓谱技术在数字电路故障检测等方面的应用.
XIAOLin-rong(肖林荣) +2 more
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Current-mode CMOS multiplication circuits based on spectral techniques(基于谱技术的电流型CMOS乘法器)
Zhejiang Daxue xuebao. Lixue ban, 2003 本文应用开关信号理论,建立了基于谱技术的对称二值逻辑的传输电流开关理论,该理论能从开关级指导设计基于谱技术的对称二值电流型CMOS电路.在基于谱技术的对称二值代数中,"负","线加"和"乘"运算构成完备集,因此,应用传输电流开关理论设计的对称二值电流型电流镜和乘法器电路可以实现任意对称二值函数 .
YAOMao-qun(姚茂群)
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大数据, 2023 数据中台将一个机构（企业、事业或政府部门）的数据作为战略资产进行管理，是从数据收集到处理应用的一套管理机制，以期提高数据质量，实现广泛的数据共享，最终实现数据价值最大化。给出数据中台的定义，提出数据中台参考技术框架，并分别对物理管理、逻辑管理、数据资产管理、数据服务和信息安全管理的组成和技术进行了展开讨论。最后以华谱系统建设为例，介绍面向家谱大数据、结合HAO智能模型的数据中台实现——华谱数据中台。
吴信东, 应泽宇, 盛绍静, 蒋婷婷, 卜晨阳, 张赞
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Zhongguo shiyan zhenduanxue, 2022 结直肠癌(Colorectal Carcinoma,CRC)病因很多，不仅有基因水平因素，而且有蛋白水平和遗传等因素[1]。随着现代诊疗技术的进步，结直肠肿瘤的死亡率下降明显。但肿瘤复发和转移带来的问题仍然不容忽视[2-3]。研究针对该情况本研究设计并应用质谱色谱技术[4-5]寻找结直肠癌肿瘤蛋白新的标志物，留取组织标本采用二维液相色谱质谱联用技术鉴定出结直肠癌上调分泌性CypA蛋白，同时研究其在血清中表达情况。
郭贺, 岳斯琦, 苏妍卓, 洪欣
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Studies on pentatriterpenoids of Euonymus hederaceus(常春卫矛中五环三萜成分的研究)
Zhejiang Daxue xuebao. Lixue ban, 2006 运用现代先进分离技术从卫矛科药用植物常春卫矛中分离得到3个已知齐敦果烷型五环三萜，运用质谱、核磁共振、红外光谱和紫外光谱等现代波谱技术，参考相关文献资料确定了化合物的结构，分别为3β-甲氧基-齐敦果-11-酮-18-烯、3，11-二羰基-齐敦果-12-烯和28-羟基-齐敦果-12-烯-3，11-二酮.并且对它们的化学位移做了全归属.
RENWan-li(任宛莉) +2 more
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