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黄水晶
2023-12-06Topaz(黄晶,黄玉) is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine(氟). Gem topaz is valuable. Jewelers call this variety ...
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甲烷排放可追溯至罗马时代
2023-12-06Emissions of the greenhouse gas methane(甲烷) into the atmosphere can be traced back thousands of years in the Greenland ice sheet. Using special analyt...
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基因对蛋白质形成有重要作用
2023-12-06Scientists at the Gladstone Institutes have mapped the precise frequency by which genes get turned on across the human genome, providing new insight i...
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新采集血液不适宜立即使用
2023-12-06In a finding that runs counter to commonly held beliefs about fresh being better, a clinical trial published October 8 by the Journal of the American ...
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产前汞中毒可能导致婴儿注意力不集中
2023-12-06A study of children in the New Bedford, Mass., area suggests that low-level prenatal(产前的) mercury exposure may be associated with a greater risk of at...
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棕榈树的大面积种植导致碳排放上升
2023-12-06Expanding production of palm oil, a common ingredient in processed foods, soaps and personal care products, is driving rainforest destruction and mass...
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蚊子基因组可用于研究疟疾防治
2023-12-06An African mosquito species with a deadly capacity to transmit malaria(疟疾) has a perplexing evolutionary history, according to discovery by researcher...
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外来植物对气候变化的反应更明显
2023-12-06Warming temperatures in Ohio are a key driver behind changes in the state's landscape, and non-native plant species appear to be responding more s...
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白鼠肤色对黑素瘤研究有参考价值
2023-12-06These proteins are required for melanocyte(黑素细胞) stem cell self-maintenance and, as such, correct pigmentation throughout the mice's life span. Wi...
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盐沼能有效缓解气候变暖
2023-12-06A warming climate and rising seas will enable salt marshes(盐沼) to more rapidly capture and remove carbon dioxide from the atmosphere, possibly playing...