搜索结果: 1-15 共查到“理学 effects”相关记录1700条 . 查询时间(0.25 秒)
Researchers from Cornell Engineering and the University of Amsterdam have derived a formula that predicts the effects of environmental noise on quantum information – an advancement crucial for designi...
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
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 ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Fixed Effects Bayesian Testing in High-Dimensional Linear Mixed Models
高维 线性混合模型 固定效应 贝叶斯检验
2023/5/5
Hypothesis testing on high-dimensional fixed effects is indispensable for investigating the utility of the predictors on response. In this case, the conventional frequentist methods designed for cases...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Recoverability effects on reliability assessment for accelerated degradation testing
可恢复性 加速退化测试 可靠性评估
2023/4/24
Accelerated Degradation Testing (ADT) provides an efficient experimental approach to collect lifetime-related data for the reliability assessment of highly reliable products under normal use stress. R...
Breakthrough research examines the effects introduced animals had on Madagascar’s extinct megafauna
extinct animals introduced animals biodiversity ecological system carbon isotope nitrogen isotope
2021/8/5
Madagascar is renowned for its unique and varied biodiversity, which spans dry grasslands, wet rain forests, mangroves and deserts. This variety, combined with the island's isolation and size, has fos...
Elevated warming, ozone have detrimental effects on plant roots, promote soil carbon loss
climate warming ozone AMF soil
2021/8/3
Two factors that play a key role in climate change - increased climate warming and elevated ozone levels - appear to have detrimental effects on soybean plant roots, their relationship with symbiotic ...
New report highlights climate change effects on greater Yellowstone ecosystem：Greater Yellowstone area expected to become warmer, drier
climate change ecosystem warm and dry
2021/8/5
Temperature significantly increased and snowfall decreased in the iconic Greater Yellowstone Area since 1950 because of climate change, and these trends will likely continue through the rest of the ce...
Continental-scale effects of phytoplankton and non-phytoplankton turbidity on macrophyte occurrence in shallow lakes
lakes phytoplankton biological
2021/7/23
Submerged macrophytes are key components of shallow lake biological communities, and their presence has been associated with a predominantly clear-water state.
An experimental test of climate change effects in northern lakes: Increasing allochthonous organic matter and warming alters autumn primary production
ClimateChange lakes production GPP cDOM
2021/7/26
Climate changes are predicted to influence gross primary production (GPP) of lakes directly through warming and indirectly through increased loads of allochthonous coloured dissolved organic matter (c...
Wildfires may have larger effects on cloud formation and climate change than thought（图）
Wildfires effects cloud formation climate change thought
2021/3/19
As the frequency and size of wildfires continue to increase worldwide, new research by Carnegie Mellon University scientists shows that the chemical aging of the particles emitted by these f...
Scientists discover a magnet that exhibits novel quantum effects（图）
Scientists magnet novel quantum effects
2020/7/31
An international team led by researchers at Princeton University has uncovered a new class of magnet that exhibits novel quantum effects at room temperature. Quantum magnets are promising pl...
中国地质大学科学技术发展院朱棋（博士研究生），文章*，等，环境学院. Journal of Hydrology (2019), Microbial effects on hydraulic conductivity estimation by single-well injection tests in a petroleum-contaminated aquifer（图）
有机物污染；注水试验；微生物生长
2021/10/15
近日，国际著名期刊《Journal of Hydrology》刊发了中国地质大学环境学院文章教授团队的最新研究成果——“Microbial effects on hydraulic conductivity estimation by single-well injection tests in a petroleum-contaminated aquifer”。该文第一作者为环境学院博士研究生朱...
Effects of chilled storage and pH of activating solution on different motility parameters in burbot (Lota lota) sperm
short-term storage activation Lota lota sperm analysis CASA parameters
2018/11/23
The effects of a simple saline solution prepared using two different pH (4.4 and 8.5) on sperm motility in burbot were investigated. Results were recorded during a 96-hour chilled storage (4°C) in 24-...
Effects of different durations of fasting/re-feeding bouts on growth, biochemical and histological changes in the digestive tract of Ganus golden trout (Oncorhynchus mykiss)
biochemistry food deprivation phenotypic changes histology productive traits
2018/11/23
This study was conducted to explore the outcomes of starvation/re-feeding techniques on growth performance, liver antioxidant activities, and histological changes of the gastrointestinal organs of Gan...
Incorporation of two levels of black soldier fly (Hermetia illucens L.) larvae fat or extruded linseed in diets of growing rabbits: effects on growth performance and diet digestibility
black soldier fly rabbit insect fat diet digestibility fat
2018/11/23
The use of black soldier fly (BSF) (Hermetia illucens L.) larvae fat as a lipid supplement in growing rabbit’s diet was evaluated at two levels of supplementation in comparison to two levels of extrud...