查询词典 cores

Wherever sediment cores were collected by gravity corer,the length of the cores became shorter than the original length,and this compaction processes take place not only inside the sampling tube but also beneath the bottom of the sampling tube.

其中，采集柱状样是传统的、也是最主要的一种手段[6]，通过分析柱状样沉积物可以获得相关的沉积环境和沉积动力[7]、沉积物组分的的变化[8~9]、沉积物

The number of cores involved by high-grade foamy gland carcinoma ranged from 1 to 12, with more than 1 core involved in 61% of cases (mean 3.4 cores).

这些高级别泡状腺癌的核心数为1至12 ，其中61%病例的核心数大于1（平均3.4）。

On artificial standard cores and long cores with mutiple measuring points,laboratory experiments are carried out for the injectivity and the oil displacement capability of 500,750,and 1000 mg/L polymer solutions under simulation conditions of tertiary-main layers in North Saertu reservoirs in Daqing.

采用标准岩心和多测点岩心，通过室内的岩心流动和驱替实验研究了相对分子质量1.0×107、浓度500 mg/L、750 mg/L和1000 mg/L的聚合物溶液在大庆中低渗油层的注入性和驱油性能。

CEVA Inc, a leading licensor of silicon intellectual property platform solutions and DSP cores, introduced the industry's first integrated optimizing toolchain that enables an end-to-end, fully C-based development flow for licensable DSP cores.

全球领先的硅产品知识产权平台解决方案和数码讯号处理器内核授权厂商CEVA公司现已推出业界首个整合式优化工具链，能够对可授权DSP 内核实现完全建基于C语言的端至端开发流程。

The coring was successfully operated on the winter ice-cover of the lake in 2000 and the pioneer practice of the ""off-the-ice"" coring proves to be very useful and economic for taking quality cores from lakes in northern China.A multidisciplinary investigation has been carried out on core HQH4, one of the three 11-m-long cores. Results from previous investigation include lithostratigraphy, radiocarbon dating, paleoecology of Ostracoda, stable isotopic record of ostracod shells, total nitrogen and organic carbon, C/N ratio, 81 C of organic matter etc.

在对深度为11米的HQH4岩芯开展了~(14)C年代学、岩性地层学、介形类古生态及介壳稳定同位素、有机碳和总氮及C/N比值、有机碳同位素等多学科综合分析测试和研究工作的基础上，本硕士学位论文研究侧重开展了：1HQH4岩芯烧失量(Loss-on-ignition)的系统分析测定及该地层学变量的古湖泊和环境变化意义的研究；2沉水植物川蔓藻化石种子生态学特征及其在黄旗海湖泊水位重建和气候变化研究方面的重要意义的研究。

On the basis of ensuring T_2 cutoff value, author analyzed relationship between NMR irreducible water saturation in different cores and porosity、permeability, and established analytic method of irreducible water saturation、movable fluid saturation of vulcanite core. NMR results of some Daqing oilfield vulcanite cores and gas test results of corresponding reservoir and CT results were compared in this ***.

在保证T_2截止值正确的基础上，本文对实验岩心核磁共振束缚水饱和度与孔隙度、渗透率之间的相关性进行了细致分析，建立了火山岩岩心束缚水饱和度、可动流体饱和度分析方法，并对大庆油田部分火山岩岩心核磁分析结果与对应储层试气成果及岩心CT分析结果进行了比较。

Under best centrifugal force, author selected a lot of representative Glutenite、carbonatite and vulcanite cores and carried on centrifugal experiments and NMR T_2 measurement, and determined T_2 cutoff value of each cores, This *** also selected a certain amount of representative fresh oil-bearing sandstone for calibrating T_2 cutoff value, and analyzed influence of T_2 cutoff value with original wettability of core.

在最佳离心力下，本文选取了大量有代表性的砂砾岩、碳酸岩和火山岩岩心进行了离心实验和核磁共振T_2丈量，确定出了对应岩心T_2截止值大小，本文还选取了一定数目有代表性的新鲜含油砂岩湿样进行了T_2截止值标定，分析了岩心原始润湿性对T_2截止值的影响。

The results showed that MGM had good spherical shape and narrow size distribution,and the particles with diameters ranging from 0.13 mm to 0.28 mm were about 91 wt%.The surface hydrophilicity of Fe3O4 microcrystal was improved by formamide dispersing treatment.The gel particles made by the copolymerization of glycidyl methacrylate and N,N′-methylene bisacrylamide could encapsule Fe3O4 microcrystal to produce colloid cores,and uniform and stable MGM microspheres were formed by the conglomeration of the colloid cores.

结果表明，合成的MGM呈球形，且粒度分布较窄，粒径为0.13～0.28 mm的粒子占91%；甲酰胺分散Fe3O4，微晶表面的亲水性进一步增强，单体甲基丙烯酸缩水甘油酯和 N，N′亚甲基双丙烯酰胺交联共聚生成的胶粒能够包埋Fe3O4微晶形成胶核，胶核聚集形成均匀、稳定的MGM微球。

Identification of PAHs sources suggests that all up-cores were dominated by petrogenic sources, but all down-cores except for S17 and S18 were dominated by pyrogenic sources or mixed sources. In contrast, biogenic sources were found dominant in S17 and S18 as they were characterized by higher ratio of perylene/Σpenta-PAHs.

各岩心表层皆大致倾向石油来源，随著深度的增加而逐渐倾向石油燃烧来源或石油/燃烧之混合性来源，其中位处峡谷南隅之岩心S17及S18则有较明显之生物性来源贡献。

But the electrochemical results show that complexes exhibitcompletely irreversible redox behaviour which is different from thatfound in diiron proteins. 1.3 To obtain the diiron species which are stable to elec-trochemical reduction, a series of new tetranuclear cage ironspecies containing two 〓 cores, with using hexadentatepolybenzimidazole ligands, were synthesized and characterized by vari-ous spectroscopic methods. Their physical properties have been investi-gated. The crystal structures of 〓〓tetrakis (benzimidazol-2-ylmethyl)-1, 4-diaminobutane and 〓,〓-tetrakis ( N-ethylbenzimidazol-2-ylmethyl )-1, 4-diaminobutane were determined. They contain two 〓 cores which arelinked to each other by -〓-chain in the ligands.

1.3为了获得电化学还原稳定双核氧桥联Fe化合物，使用六齿配体合成了一系列含有两个〓单元四核笼状化合物，并用各种谱学手段表征了它们，还研究了它们的物理化学性质确定了〓L=N，N，N'，N'-四(苯骈咪唑基-1，4-丁二胺和〓，〓四-1，4-丁二胺化合物的晶体结构，它们含有两个〓单元，其中两个〓单元是通过配体的〓链桥联成四核笼状结构。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。