中国科学院机构知识库网格系统: 检索

Disturbed aquatic habitats in central-eastern Inner Mongolia revealed by the prevalence of widespread ostracod species 期刊论文 OAI收割
ECOLOGICAL INDICATORS, 2022, 卷号: 143, 页码: 11
作者: Zhai, Dayou; Ma, Shunxin; Wen, Ruilin; Wang, Min; Wang, Qianwei

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收藏 | 浏览/下载：23/0 | 提交时间：2023/04/03

Endemic species Human activity Meta-sample Widespread species Zoogeography

Southeast Asia as One of World's Primary Sources of Biotic Recolonization Following Anthropocene Extinctions 期刊论文 OAI收割
FRONTIERS IN ECOLOGY AND EVOLUTION, 2021, 卷号: 9, 期号: -, 页码: -
作者: Proches, Serban; Ramdhani, Syd; Hughes, Alice C.; Koh, Lian Pin

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收藏 | 浏览/下载：31/0 | 提交时间：2021/04/21

ancient lineages Anthropocene extinction Southeast Asia widespread lineages recolonization

Chiridota heheva-the cosmopolitan holothurian 期刊论文 OAI收割
MARINE BIODIVERSITY, 2020, 卷号: 50, 期号: 6, 页码: 13
作者: Thomas, Elin A.; Liu, Ruoyu; Amon, Diva; Copley, Jon T.; Glover, Adrian G.

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收藏 | 浏览/下载：69/0 | 提交时间：2021/01/04

Deep sea Chemosynthetic environments Opportunism Widespread Echinoderms

近海环境中抗生素分析样品前处理技术的研究进展 期刊论文 OAI收割
色谱, 2020, 卷号: 38, 期号: 1, 页码: 95-103
作者: 吕敏; 陈令新

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收藏 | 浏览/下载：110/0 | 提交时间：2020/07/08

抗生素近海前处理技术综述 antibiotics coastal pretreatment techniques review The widespread and massive usage of antibiotics for the prevention and treatment of diseases in human and animals have resulted in their continuous discharge into the environment, and finally, into the coastal environment through various pathways. Accumulation of antibiotics in aquatic organisms poses a great threat to ecological and human health, especially because it facilitates the generation and spread of bacterial resistance. Given the diverse range of antibiotics with various features, as well as their presence at low concentrations in the environment, it is imperative to develop pretreatment techniques for antibiotics in various matrices. In this paper, the pretreatment methods proposed in recent decades for antibiotics in coastal water, sediment, and biota are summarized, with emphasis on commonly used methods such as solid-phase extraction, solid-liquid extraction, matrix solid-phase dispersion, and QuEChERS. Additionally, the potential factors influencing the extraction performance and clean-up efficiency are analyzed. The advantages and disadvantages of the methods and their development are finally discussed.

Data normalization of single camera visual measurement network system (EI CONFERENCE) 会议论文 OAI收割
2012 International Conference on Information Technology and Management Innovation, ICITMI 2012, November 10, 2012 - November 11, 2012, Guangzhou, China
作者: Zhang Y.-C.; Zhou J.

收藏 | 浏览/下载：24/0 | 提交时间：2013/03/25

With the development of visual measurement system Normalize the measured coordinates into the same world coordinate system Apply in the three coordinate measuring machine(CMM) to have the simulation experiment So the data normalization has the advantage of more high precision. (2013) Trans Tech Publications the visual measurement system of single camera which applied in the imaging theory of optical feature points then get the global data the result indicates that the maximum absolute tolerance between the normalization coordinates via the center of point set and the ones measured by CMM directly is 0.058mm Switzerland. it has been widespread used in the modern production. Due to the limit of the environment in scene and achieve the overall measurement the visual measurement system of single camera could not measure the shield between the measured objects each other. Focus on this problem But the one between the coordinate repeatedly measured at the position of one network control point is 0.066mm present a kind of the the knowledge of measurement network based on the visual measurement of single camera set up the measurement network system via the multi-control points. Measure the optical feature points in every network control point via the visual measurement system of single camera

Study on the difference between turfy soil and normal peat soil in China (EI CONFERENCE) 会议论文 OAI收割
2011 International Conference on Vibration, Structural Engineering and Measurement, ICVSEM2011, October 21, 2011 - October 23, 2011, Shanghai, China
作者: Nie L.

收藏 | 浏览/下载：40/0 | 提交时间：2013/03/25

As the special soil turfy soil and peat soil in China contained some similar properties with high void ratio high water content high organic content etc. But turfy soil also had properties which difference from peat soil. In this paper based on the formation of the cause and geological environment and geomorphologic characteristics of geological in the quaternary took the typical and widespread turfy soil and peat soil regions for example systematically discussed the material composition and macroscopic and microcosmic structural features put further research on the physical chemistry mechanical characteristics. Then the come to the conclusion that the essential reason for difference between turfy soil and peat soil were decomposition degree and organic content. The result that worse engineering properties such as higher the moisture content porosity compressibility internal cohesion and the lower specific weight consolidation coefficient and permeability were due to the lower decomposition degree and higher organic content of turfy soil than peat soil. It can provide reference to the practical projects of turfy soil to distinguish peat soil according to this characteristic. (2012) Trans Tech Publications.

Can aerosol loading explain the solar dimming over the Tibetan Plateau? 期刊论文 OAI收割
GEOPHYSICAL RESEARCH LETTERS, 2012, 卷号: 39, 期号: 0, 页码: L20710
Yang K (阳坤); Ding BH (丁宝弘); Qin J (秦军); Tang WJ (唐文君); Lu N (Lu, Ning); Lin CG (林常贵)

收藏 | 浏览/下载：29/0 | 提交时间：2013/02/25

GLOBAL DATA SETS CLEAR-SKY RADIATION CHINA SURFACE TRENDS WIDESPREAD TRANSPORT POLLUTION CLOUDS

Can aerosol loading explain the solar dimming over the Tibetan Plateau? SCI/SSCI论文 OAI收割
2012
Yang K.; Ding B. H.; Qin J.; Tang W. J.; Lu N.; Lin C. G.

收藏 | 浏览/下载：20/0 | 提交时间：2014/12/24

global data sets clear-sky radiation china surface trends widespread transport pollution clouds

LED optical engine based on rectangular CPC for micro-projection display (EI CONFERENCE) 会议论文 OAI收割
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
作者: Meng Z.; Meng Z.

收藏 | 浏览/下载：20/0 | 提交时间：2013/03/25

With applications in digital display consumer electronics medicine automotive lighting traffic signals and general illumination the light-emitting diode (LED) is the world's most efficient light source being mass produced today[1]. However high cost is the main factor restricting widespread application of LED lighting and the packaging is the most expensive aspect of LED products. Light emitting diodes (LED) are regarded as the most important light sources in solid-state lighting for their advantages in energy efficiency long life vivid colors high reliability environmental protection safety and multiple applications. However application of LEDs in projection display exist many questions such as low illuminance uniformity and low energy efficiency by reason of luminescence distribution and constructure specificity for LED the study on application of LED in the micro-projection display and projection display is reported[2-8]. Considering the question mensioned above the rectangular CPC(Compound Parabolic Concentrator) system with three-color LED is applied in the projection display. 2009 SPIE.

COSMOGENIC RADIONUCLIDES OF NINGQIANG CHONDRITE FROM NONDESTRUCTIVE GAMMA-RAY SPECTROMETRY 期刊论文 OAI收割
Science Bulletin, 1986, 期号: 2, 页码: 115-117
作者: Chai ZF(柴之芳); Su Q(苏琼); Mao XY(毛雪瑛); Ma SL(马淑兰); Wang SC(王思潮)

收藏 | 浏览/下载：18/0 | 提交时间：2015/12/07

belongs preliminary GAMMA widespread brought neutron isotopes Jilin atter irradiation