976 resultados para 1995_03190412 MOC-18


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Data, information gaps and related monitoring requirements including trans-boundry issues; alternative livelihoods; critical habitat and develoment issues; policy, planning and institutional development.

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Establishment of a working group of regional experts in Marine Protected Areas (MPAs); inventory and status of existing MPAs; gap analysis;establishment of common data requirements and protocols;development of a regional action plan;training and capacity building; outreach activities; proposal f0r management of existing and creation of new MPAs.

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Objectives included; a contribution to understanding large-scale processes affecting the Bay of Bengal Large Marine Ecosystem Project (BOBLME) and it's living resources; and to align with International Indian Ocean Expedition (IIOE-2) (2015-2020) which will extensively explore and study the Indian Ocean to improve understanding of the ocean and coupled climate processes.

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The design and manufacture of a prototype chip level power supply is described, with both simulated and experimental results. Of particular interest is the inclusion of a fully integrated on-chip LC filter. A high switching frequency of 660MHz and the design of a device drive circuit reduce losses by supply stacking, low-swing signaling and charge recycling. The paper demonstrates that a chip level converter operating at high frequency can be built and shows how this can be achieved, using zero voltage switching techniques similar to those commonly used in larger converters. Both simulations and experimental data from a fabricated circuit in 0.18μm CMOS are included. The circuit converts 2.2V to 0.75∼1.0V at ∼55mA. ©2008 IEEE.

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南极中山站、长城站附近18个湖泊生态学特征的逐步判别分析蔡庆华,王洪铸,梁彦龄(中国科学院水生生物研究所,武汉430072)关键词南极,湖泊,生态学特征,逐步判别分析,拉斯曼丘陵,乔治王岛STEPWISEDISCRIMINANTANALYSISFOR...

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<正> 近年来,离子相互作用色谱法得到了迅速发展,使用这种方法,不仅可用有机树脂作固定相,同样可使用高效的键合固定相,并且可以通过改变离子相互作用,试剂在流动相中的浓度或涂敷在固定相上的量来改变柱的交换容量。实验使用常规的液相色谱仪,易于方法的广泛应用。在无机阴离子的分离中,这一方法显示了优越的分离效率。 本文研究了在涂敷十六烷基吡啶的C_8键合固定相上分离无机阴离子,并利用一些无机阴离子在

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We demonstrate for the first time an electronically processed Walsh Code with 16 chips at 18Gchip/s. An auto-cross correlation ratio of 18.1dB is achieved between two orthogonal codes after transmission over 10km of SMF. © 2009 OSA.

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Eighteen microsatellite markers were isolated and characterized using an enrichment protocol in the Chinese mandarin fish Siniperca chuatsi (Basilewsky), a commercially important piscivorous fish in China. Out of 48 pairs of primers designed, 18 loci exhibited polymorphism with three to six alleles (mean 4.4 alleles/locus) and average observed heterozygosity ranged from 0.633 to 0.833 (mean 0.748) in a test population from Dongting Lake of China. Except for two loci, all other 16 loci were in the Hardy-Weinberg equilibrium. These markers would be useful for such studies as population genetics, ecology and selective breeding of the Chinese mandarin fish in future.

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We demonstrate for the first time coding/decoding for OCDMA networks using electronic transversal filters at 18Gchips/s-a ten-fold improvement over previous demonstrations. The chip rate allows users at Gb/s rates in access applications. © 2007 Optical Society of America.

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用有效折射率法,采用近轴近似和波导模场分布的高斯近似,简化了阵列波导光栅(AWG)器件的设计过程中繁杂的计算,且保证了器件的性能指标。给出了设计思路,并给出了1×8路、中心波长为1550.9nm,波长间隔为1.6nm的AWG波分复用/解复用器的设计实例。

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于2010-11-23批量导入