搜索结果: 1-15 共查到“Sink”相关记录77条 . 查询时间(0.074 秒)
New additives could turn concrete into an effective carbon sink（图）
添加剂 混凝土 碳汇
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2023/6/6
Despite the many advantages of concrete as a modern construction material, including its high strength, low cost, and ease of manufacture, its production currently accounts for approximately 8 percent...
南京农业大学农学院《PNAS》发表万建民院士团队“Auxin regulates source-sink carbohydrate partitioning and reproductive organ development in rice”（图）
万建民 调控水稻 光合产物源
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2022/9/19
2022年8月30日，南京农业大学万建民院士团队关于生长素调控水稻光合产物源库分配和生长发育机制的研究成果“Auxin regulates source-sink carbohydrate partitioning and reproductive organ development in rice”在PNAS上发表。
南京农业大学农学院《PNAS》发表万建民院士团队“Auxin regulates source-sink carbohydrate partitioning and reproductive organ development in rice”.（图）
万建民 水稻光合产物 信号分子 发育
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2023/10/28
2022年8月30日，南京农业大学万建民院士团队关于生长素调控水稻光合产物源库分配和生长发育机制的研究成果“Auxin regulates source-sink carbohydrate partitioning and reproductive organ development in rice”在PNAS上发表。
Major deep carbon sink linked to microbes at volcanic island chains（图）
deep carbon sink microbes volcanic island chains
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2019/11/22
As much as 19 percent more carbon dioxide than previously believed is removed naturally and stored deep underground in seafloor trenches near island chains of volcanoes, according to a study in the jo...
ESTIMATION OF CARBON SINK IN SURFACE CARBONATE ROCKS OF GUANGXI PROVINCE BY USING REMOTE SENSING IMAGES
Dissolution test method Carbonate rocks Miss carbon sink ArcGIS
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2018/5/14
Studies of the imbalance of source sinks in the carbon cycle show that CO2 absorbed during rock weathering is part of the "miss carbon" of the global carbon cycle. The carbon sink contribution of carb...
A mechanism on the drug release into a perfect sink from a coated planar matrix with a super-saturation loading in the core
Coated planar matrix Controlled release Mathematical analysis In-vitro release
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2016/3/25
A comprehensive model is proposed to accurately describe drug release kinetics from a coated plane sheet when drug loading in the core is above its saturation level. The general solutions are acquired...
分簇传感器网络中时延约束下移动sink的路径优化
数据汇聚 最小能耗访问点集 时延约束
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2016/1/4
在分簇传感器网络中引入移动sink, 用于协助其上层网进行数据汇聚. 为解决时延约束与节能需求间的矛盾, 提出一种基于效用优先级和反效用优先级的移动sink 路径优化选择算法. 依据最小能耗原则首先为非访问节点设计了数据迁移路径寻找方案, 随后在此基础上提出一种基于节点效用优先级的访问点集贪婪构造算法, 并基于反效用优先级为其设计了两种优化方案. 仿真实验验证了所提出算法的有效性, 保障时延要求的...
MULTI-ANGULAR SATELLITE REMOTE SENSING AND FOREST INVENTORY DATA FOR CARBON STOCK AND SINK CAPACITY IN THE EASTERN UNITED STATES FOREST ECOSYSTEMS
Remote sensing MISR Data fusion Land cover Ecosystems Environment Carbon cycle
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2015/5/29
Terrestrial vegetation plays a major role in regulating the global carbon cycle and in turn the climate of the Earth system. It is believed that the North America forest ecosystems are a net sink for ...
Sink positive: Linguistic experience with th substitutions influences nonnative word recognition
th substitutions Spoken-word recognition Speech comprehension Nonnative word recognition Eyetracking
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2015/4/20
We used eyetracking, perceptual discrimination, and production tasks to examine the influences of perceptual similarity and linguistic experience on word recognition in nonnative (L2) speech. Eye move...
时延受限的移动sink数据收集算法
时延受限 移动sink 移动轨迹 数据采集量
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2014/12/1
在实时性要求比较高的应用中，时延要求限制了sink的移动速率与移动轨迹，sink的移动速率限制了节点与sink的通信时间，因此很难兼顾时延要求与数据收集效率。提出一种时延受限的移动sink数据收集算法MSDC，在低能耗缓存区内找到一条sink的最优移动轨迹，在有限的时间限制内利用sink的移动性来提升传感器网络的数据收集性能。仿真结果表明，与已有算法比较，该方案能够提高网络数据采集量，降低能耗，延...
Scientists discover carbonate rocks are unrecognized methane sink（图）
carbonate rocks methane sink
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2014/12/1
CORVALLIS, Ore. – Since the first undersea methane seep was discovered 30 years ago, scientists have meticulously analyzed and measured how microbes in the seafloor sediments consume the greenhouse ga...
无线传感器网络中基于移动sink最优路径的数据收集策略
最优路径 移动sink 无线传感器网络 数据收集
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2015/11/2
针对无线传感器网络中节点能量受限，传统的数据收集方法需要节点将数据经过多跳转发出去，部分节点由于转发其他节点的数据而使能量快速耗尽。提出了一种在无线传感器网络中引入移动sink，并让其沿着规划好的最优路径移动从而进行数据收集的策略DCST。DCST利用蚁群算法寻找出连接所有簇头的最优路径，使移动sink沿着此路径移动并进行数据收集。仿真结果表明，相比传统的Leach算法，DCST能更好地扩张网络的...
最大化最小能耗概率的移动Sink无线传感器网络数据收集方法
传感器网络 移动sink 数据收集 能量消耗
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2017/1/4
在基于移动sink传感器网络中,传感器节点能量受限,数据收集的能耗问题一直是研究的热点.通过建立最大化最小能耗概率模型,提出一种最大化最小能耗概率(Maximizing Minimum Probability of Energy Consumption,MMPEC)数据收集方法.MMPEC对网络中子节点与汇聚节点之间的路径长度进行分布式优化,使得整个网络的能耗达到最低的概率最大化.仿真结果表明,M...
Groundwater-derived dissolved inorganic and organic carbon exports from a mangrove tidal creek: The missing mangrove carbon sink?
Groundwater-derived dissolved inorganic organic carbon exports mangrove tidal creek
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2014/4/2
A majority of the global net primary production of mangroves is unaccounted for by current carbon budgets. It has been hypothesized that this “missing carbon” is exported as dissolved inorganic carbon...
Denitrification alternates between a source and sink of nitrous oxide in the hypolimnion of a thermally stratified reservoir
Denitrification alternates sink of nitrous oxide
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2014/4/2
Nitrogen loading from developed watersheds to aquatic ecosystems can stimulate microbial denitrification, a
process that reduces nitrate (NO{
3
) to dinitrogen (N2) or nitrous oxide (N2O), the latt...