Old bones aren't so bad after all     

R A Kerr 《Science (New York, N.Y.)》1991,252(5002):32-33

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Greenhouse warming. Climate modelers see scorching future as a real possibility     

Kerr RA 《Science (New York, N.Y.)》2005,307(5709):497

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Ocean Drilling Details Steps to an Icy World: From the most southerly scientific ocean drilling in a decade, researchers are tracing Earth's jerky slide into glacial times     

Kerr RA 《Science (New York, N.Y.)》1987,236(4804):912-913

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镉对鲫非特异性免疫力的影响   总被引：7，自引：2，他引：7  

丁磊  黄鹤忠  吴康  蔡春芳  吴萍 《农业环境科学学报》2004,23(1):64-66

采用毒性实验方法研究了镉对鲫非特异性免疫力的影响,确定镉诱导免疫毒性效应及其毒性参数。在试验剂量和时间范围内的结果显示,镉对鲫白细胞数量(WBC)、中性粒细胞的吞噬率(PR)和补体50%溶血活性(CH50)均有剂量-效应关系、时间-效应关系和Hormesis现象,1.25mg·kg-1注射染Cd2+胁迫时对WBC、PR和CH50有激活作用,2.5和3.75mg·kg-1注射染Cd2+胁迫时对WBC、PR和CH50有抑制作用;WBC顶点所对应的时间为染Cd2+后4d,PR顶点所对应的时间为染Cd2+后2d,CH50顶点所对应的时间为染Cd2+后1d。所以Cd2+对鲫具有明显的免疫毒性。  相似文献   

Function of the dorsal motor nucleus of the vagus   总被引：2，自引：0，他引：2  

F W Kerr 《Science (New York, N.Y.)》1967,157(787):451-452

The dorsal motor nucleus of the vagus was destroyed in cats. After periods of survival ranging from 9 to 44 days the response of heart, bronchi, esophagus, and duodenum to stimulation of the distal end of the cut cervical vagus was within the normal range or slightly depressed. It is concluded that the dorsal motor nucleus is not a major source of visceromotor fibers.  相似文献   

Cooling the greenhouse cheaply     

Kerr RA 《Science (New York, N.Y.)》1991,251(4994):621

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Space science. NASA reining in PI-led planetary missions     

Kerr RA 《Science (New York, N.Y.)》2004,305(5683):467

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Geophysics: ancient air, ozone, and faults     

Kerr RA 《Science (New York, N.Y.)》1988,239(4836):144-146

Researchers who gathered in San Francisco in December at the annual fall meeting of the American Geophysical Union heard the usual variety of talks treating everything from Earth's core to the tenuous wisps of solar particles far beyond Pluto. Earthquakes, the local California variety in particular, figured prominently, as did the currently popular subjects of ancient air trapped in amber and the deepening Antarctic ozone hole.  相似文献   

Ancient and modern, rock and fluid meet in san francisco     

Kerr RA 《Science (New York, N.Y.)》1993,259(5092):175-176

With 6000 attendees and 4700 presentations, the annual fall meeting of the American Geophysical Union (AGU) in San Francisco last month was the biggest yet. And that made room for even more diversity than usual. Only the AGU could accommodate news of asteroid impacts and extinctions one-third of a billion years ago and a progress report on the first direct measurements of centimeter-scale ocean mixing, an ongoing study in the Atlantic.  相似文献   

Paleontology. Experts find no evidence for a mammoth-killer impact     

Kerr RA 《Science (New York, N.Y.)》2008,319(5868):1331-1332

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