搜索结果: 1-15 共查到“理学 Size”相关记录428条 . 查询时间(0.148 秒)
南京农业大学农学院《The Plant Cell》在线发表万建民院士团队“A CYP78As–SMG4–COPⅡpathway promotes grain size in rice”（图）
万建民 基因资源 细胞定位
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2023/10/28
2023年9月25日，万建民院士团队在The Plant Cell在线发表了题为“A CYP78As–SMG4–COPⅡpathway promotes grain size in rice”的研究论文。该团队在水稻中鉴定到一个调控水稻籽粒大小的关键因子SMG4，并阐明其分子机制，为水稻粒型改良提供了新的基因资源。
A new research project aims to unravel the physical limits of cell size in budding yeast, with the ultimate goal of learning more about how cells, the fundamental units of life, modulate size control ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Sharp Lp estimates and size of nodal sets of generalized Steklov eigenfunctions
Steklov-eigenfunctions 尖锐 Lp 估计 节点集
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2023/4/13
We prove sharp Lp estimates for the Steklov eigenfunctions on compact manifolds with boundary in terms of their L2 norms on the boundary. We prove it by establishing Lp bounds for the harmonic extensi...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Employment effects in China's dual circulation and firm size heterogeneity
中国双重循环 企业规模 异质性 就业效应
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2023/4/19
Based on the newly constructed input-output model that distinguishes firm size categories and the structural decomposition analysis method, this study quantitatively calculates the employment effects ...
中国地质大学科学技术发展院夏宇轩（博士生）,蔡建超等地空学院 2018, FRACTALS-COMPLEX GEOMETR（图）Y PATTERNS AND SCALING IN NATURE AND SOCIETY, A NEW METHOD FOR CALCULATING FRACTAL DIMENSIONS OF POROUS MEDIA BASED ON PORE SIZE DISTRIBUTION
分形；毛细管；假设的；计算；多孔介质；孔隙空间；迂曲度；分形维数
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2021/10/21
日前，2018级博士研究生夏宇轩在国际学术期刊《分形》发表题为《一种基于多孔介质孔径分布的分形维数新计算方法》的论文，入选Mathematics学科领域高被引论文。在该论文中，夏宇轩提出了一种基于分形毛细管假设的计算多孔介质孔隙空间和迂曲度分形维数的新方法。
‘Frameshifting’ therapy for mast cell cancers reduces size, spread
mRNA c-KIT mast cells cancer cell
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2021/8/11
A potential new treatment for mast cell cancers reduces the number of mast cells by 'mutating' the messenger RNA (mRNA) before it can deliver instructions for manufacturing the gene responsible for ce...
Birds’ eye size reflects habitat and diet, may predict sensitivity to environmental change
birds visual environmental change deforestation
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2021/8/10
A new study shows the eye size of birds can reveal broad patterns of their biology and behavior, including where they live, what they eat and how they hunt, providing a potential roadmap for future co...
Body size, digestive systems shape ungulate foraging
body size digestive system ngulate plant
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2021/8/5
Smaller-bodied ruminants forage primarily for the highest energy intake, while equids -- which tend to be larger -- choose to forage in areas close to surface water, with less attention to forage cond...
Climate changed the size of our bodies and, to some extent, our brains
evolution climate changed brain body environmental
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2021/8/4
The average body size of humans has fluctuated significantly over the last million years and is strongly linked to temperature. Colder, harsher climates drove the evolution of larger body sizes, while...
Body size of the extinct megalodon shark is off the charts（图）
Body siz extinct megalodon shark off the charts
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2020/10/16
A new study shows that the body size of the iconic gigantic or megatooth shark, about 15 meters (50 feet) in length, was indeed anomalously large compared to the body sizes of its relatives.Formally c...
Estimation of genetic parameters of fatty acids composition in flesh of market size common carp (Cyprinus carpio L.) and their relation to performance traits revealed that selective breeding can indirectly affect flesh quality
genetic correlations genetic improvement growth heritability slaughtering traits, supplemental feeding
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2018/11/23
Fish are a rich source of omega-3 polyunsaturated fatty acids (n-3 PUFAs) and thus, they should be an integral part of human diet at least twice a week. As a result, high attention has been devoted to...
Mantis Shrimp Size Each Other Up Before Ceding A Fight（图）
Mantis Shrimp Size Each Other Before Ceding A Fight
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2018/2/1
To a mantis shrimp, walking away from a fight doesn’t mean being a wimp. It means recognizing who they’re up against and knowing when to bail rather than drag out a doomed battle, Duke University rese...
Hormones Help Tadpoles Trade Size For Survival In A Warming Climate,Says Uc Study（图）
Hormones Tadpoles Trade Size Warming Climate Uc Study
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2017/11/23
Deep within aquatic ecosystems all over the world, certain toad species have managed to survive warmer and drier climate change. But the method behind their metamorphic adaptation to environmental cha...
New study documents aftermath of a supereruption,and expands size of Toba magma system
documents aftermath supereruption Toba magma system
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2017/7/20
The rare but spectacular eruptions of supervolcanoes can cause massive destruction and affect climate patterns on a global scale for decades – and a new study has found that these sites also may exper...
Study Discovers Fundamental Unit of Cell Size in Bacteria
Fundamental Unit Cell Size Bacteria
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2017/4/27
Biologists have long known that bacteria grow faster and bigger when the quality of nutrients becomes better, a principle in microbial physiology known as the “growth law,” which describes the relatio...