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Based on the results of magnetic measurements, representative samples were selected for further magnetic, mineralogical, geochemical, granulometric and radioactive 210Pb analyses.

所有样品进行了室温下的系列磁性测量,根据测量结果,选择代表性样品进行进一步的磁学、矿物学、地球化学、粒度和同位素分析。

The methods used for collecting samples and establishing specific HAB cultures are described in detail. Methods of SEM and ESEM (environmental scanning electron microscope) for Gymnodinium were developed an...

建立了赤潮监测中样品采集处理、分离和纯化培养的技术体系;建立和优化了裸甲藻扫描电镜观察技术和环境样品的扫描电镜观察方法;提出了库尔特计数是相对简便、快捷、准确、可行的细胞计数方法;应用基于反相高效液相色谱的光合色素分析技术及原位荧光激发光谱测定方法,得出不同类群浮游植物对不同的营养盐限制存在不同响应机制的结论;用荧光强度来监测浮游植物生理状态及营养状态变化具有一定的可行性,HPLC和原位荧光两种方法指示浮游植物的生理状态存在一定差异。2。

We use this technology to measure some rock and oil sample taken from Liaohe or Tarim basin. We identified many series of biomarker with dividing-era significance. These series are C26 steranes, C30 methylsteranes; and methly hopanoid alkanes, hexacyclic hopanoid alkanes, which two series were measured first by our laboratory in China.

本论文建立地球化学样品GOMS/MS分析方法;并对辽河盆地和塔里木盆地岩石及原油样品进行GC/MS/MS分析,鉴定出多个系列具有划时代意义的生标组分,这些组分是用GC/MS技术无法检测的极微量的生标组分:C26降胆甾烷系列、C30甲基甾烷系列等:还有高碳数甲基藿烷系列和六环藿烷系列见图1,图2,在国内被我们实验室首次检出。

The results show that the sample possesses two-dimensional (2-D) hexagonally ordered mesoporous structure, and the pore volume of the sample is 1.88 cm3/g, the specific surface area is 1 394 m2/g; it possesses mesoporous structure and narrow pore size distribution, the average pore size is 3.4 nm. The supercapacitor has good electrochemical performance, the specific capacitance is 95 F/g at a charge/discharge current density of 500 mA/g after 10 000 cycles, and specific capacitance fluctuates between -4% and 4%.

结果表明:样品孔结构呈二维六角有序分布;该样品的孔体积为1.88 cm3/g,比表面积为1 394 m2/g,具有典型的中孔结构和集中的中孔分布,它的最可几孔径为3.4 nm;制备的中孔炭作电极材料组装的超级电容器有良好的电化学性能,在500 mA/g的充放电电流密度下,循环10 000次的平均比电容高达95 F/g,比容量波动范围仅为-4%~4%。

Results Fourteen individuals from two pedigrees carried homoplasmic 1555G mutation. Seven sporadic patients and the five mothers did not have 1555G mutation.

结果 两个家系的14份样品为1555G点突变阳性,散发病例及部分亲属的12份样品全部为1555G点突变阴性。

The base extracted samples exhibit significantly higher sorption capacities and more nonlinear than these untreated samples, which suggest that the presence of small amounts of humin and some special carbon materials may be responsible for the observed nonlinear sorption.

结果显示这些样品比原土壤样品具有更大的吸附容量,并且吸附等温线表现出更为明显的非线性,说明土壤中的胡敏素和一些特殊含碳物质等不可提取有机质的确具有较强的吸附能力,吸附过程的非线性现象可能也是它们引起的。

The aim of this study was to examine the possible antioxidant and antiproliferative activities of the ethanol and water extracts of four Hydrocotyle species from Taiwan. ABTS radical monocation scavenging, FRAP method, DPPH radical scavenging, reducing power method, total polyphenol content, total The results showed that the water extracts of all the samples had higher antioxidant and antiproliferative activities than the ethanol extracts.

本实验针对台湾产四种天胡荽属植物之水萃取物及乙醇萃取物进行抗氧化及抗增生活性研究,分析方法包括ABTS自由基的清除、FRAP方法、DPPH自由基的清除、还原力、总多酚类含量、总类黄酮类含量、总黄酮醇类含量以及癌细胞增生之抑制,结果显示所有样品的水萃取物之抗氧化及抗增生活性皆大於乙醇萃取物,但在抗氧化活性方面,所有受测样品活性皆小於正对照组。

The good catalytic performances were obtained on those catalysts supported by SiO_2. With the increasing calcination temperature from 300℃to 700℃, Co_3O_4 particles augmented and sintered on the samples surface which contained 10 wt.% cobalt, the crystallite size of Co_3O_4 was aggrandized from 7.2 nm to 20.3 nm by inchmeal. On the other hand, the activation energy for the combustion reaction was increased linearly with the augment of average crystallite size of Co_3O_4, the TOF value on prepared catalyst was decreased with it. Thus, the catalytic combustion was a typical structure-sensitive reaction.

在钴含量为10 wt%的样品上,随着焙烧温度由300℃提高到700℃,钴物种出现迁移团聚甚至烧结,在XRD中测定的Co_3O_4晶粒尺寸由7.2 nm逐步增加至20.3 nm;另一方面,催化剂的燃烧活化能随样品上Co_3O_4晶粒的平均尺寸增加而呈现线形增加趋势,而单位时间内单位活性物种上的甲烷转换频数随着粒径增加而逐渐降低,这一现象证实了该反应属于典型的结构敏感反应。

Based on characters of crossplot of water saturation S and resistivity increscent index I, the influences of pore structure and water saturation on n have been analyzed, and calculation methods, including sectional regression method, correlative analysis method of water saturation S and n, are used for calculating the n more accurately.

根据岩电实验中含水饱和度S与电阻增大率I交会曲线的特征,分析了样品孔隙结构及含水饱和度对含水饱和度指数n值的影响,使用了I-S分段回归法、n-S相关分析法以更精确地计算样品的含水饱和度指数n值。

Meanwhile the thickness variation of the intumescent polypropylene during burning were measured and compared with the modeling results.

实验中测量了样品在膨胀燃烧过程中的样品厚度随时间变化规律。

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