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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：First-order factors of linear Mahler operators
线性 Mahler operators 一阶因子
2023/4/27
We develop and compare two algorithms for computing first-order right-hand factors in the ring of linear Mahler operators l_r M^r+?+l_1 M+l_0 where l_0,…,l_r are polynomials in x and Mx=x^b M for some...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Estimation of Common Factors for Microstructure Noise and Effcient Price in a High-frequency Dual Factor Model
高频双因子模型 微结构 噪声公因数 效率价格 估计
2023/4/17
We develop the Double Principal Component Analysis (DPCA) based on a dual factor structure for high-frequency intraday returns contaminated by microstructure noise. The dual factor structure allows a ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：erration split-plot designs via complementary sets when the whole plot factors are important
图因子 互补集 错误分割图设计
2023/5/15
In practice, fractional factorial split-plot (FFSP) designs are widely used when the levels of some factors are very difficult to change or control. The factors of an FFSP design are divided into two ...
SPATIAL AND TEMPORAL CHANGES OF AEROSOL OPTICAL DEPTH AND ITS DRIVING FACTORS BASED ON MODIS IN JIANGSU PROVINCE
AOD MODIS Temporal Change Spatial Autocorrelation Gravity Model Driving Factor
2018/5/14
Aerosol Optical Depth (AOD) is of great value for studying air mass and its changes. In this paper, we studied the spatial-temporal changes of AOD and its driving factors based on spatial autocorrelat...
STUDY ON DESERTIFICATION MONITORING FROM 2000 TO 2014 AND ITS DRIVING FACTORS THROUGH REMOTE SENSING IN NINGXIA，CHINA
Ningxia Desertification Rainfall Use Efficiency Grey Relational Analysis Driving Factors Precipitation
2018/5/17
Due to the implementation of national policy, the desertification in Ningxia has been gradually reduced, but the overall situation of desertification is still serious. Rainfall Use Efficiency(RUE) can...
Sedimentology and Sequence Stratigraphy of Marine to Lacustrine Deltaic Deposits in a Craton Basin and Their Controlling Factors: Shan 2 Member–He 8 Member (Guadalupian–Lopingian, Permian), Southeast Ordos Basin, North China
sequence stratigraphy sedimentary sequence delta marine to lacustrine evolution Roadian–Wuchiapingian Ordos Basin
2018/4/10
The Shan 2 Member, Shan 1 Member and He 8 Member of the Mid–Late Permian Shanxi and lower Xiashihezi formations, in the southeastern Ordos Basin, together comprise ~150 m of deltaic deposits. This seq...
Analyzing vegetation dynamic trend on the Mongolian Plateau based on the Hurst exponent and influencing factors from 1982-2013
remote sensing GIMMS NDVI3g vegetation dynamic trend Hurst exponent residual trend analysis Mongolian Plateau
2018/4/9
This study analyzed the spatial and temporal variations in the Normalized Difference Vegetation Index (NDVI) on the Mongolian Plateau from 1982-2013 using Global Inventory Modeling and Mapping Studies...
Ethnic and genetic factors of iron status in women of reproductive age
breastfeeding ethnicity genetic factors hemochromatosis iron overload iron status pregnancy women of reproductive age
2018/11/21
Background: African Americans are at increased risk of iron deficiency (ID) but also have higher serum ferritin (SF) concentrations than those of the general population. The Hemochromatosis and Iron O...
Effects of Heat Stress on Somatostatin and Some Related Immune Factors in the Small Intestine of Wenchang Chicks
hyperthermia somatostatin intestinal mucosa cytokines lysozyme activity
2018/3/5
To investigate the effects of heat stress (HS) on developmental changes in immune functions of chick intestinal
mucosa, one-day-old broiler chicks were randomly assigned into control check (CK) and h...
Moderate-to-vigorous physical activity, but not sedentary time, predicts changes in cardiometabolic risk factors in 10-y-old children: the Active Smarter Kids Study
physical activity sedentary time cardiometabolic risk factors
2018/11/16
Recently, Skrede et al. (1) prospectively examined the association of objectively measured sedentary time and subcomponents of physical activity with individual and clustered cardiometabolic risk fact...
Effect of a package of health and nutrition services on sustained recovery in children after moderate acute malnutrition and factors related to sustaining recovery: a cluster-randomized trial
moderate acute malnutrition ready-to-use supplementary food relapse supplemental feeding program sustained recovery wasting
2018/11/15
Background: Children who recover from moderate acute malnutrition (MAM) have high rates of relapse in the year after nutritional recovery. Interventions to decrease these adverse outcomes are needed t...
Choline and its metabolites are differently associated with cardiometabolic risk factors, history of cardiovascular disease, and MRI-documented cerebrovascular disease in older adults
cardiometabolic risk cerebrovascular disease choline older adults magnetic resonance imaging nutrition
2018/11/14
Background: There is a potential role of choline in cardiovascular and cerebrovascular disease through its involvement in lipid and one-carbon metabolism.
Comparison of the impact of SFAs from cheese and butter on cardiometabolic risk factors: a randomized controlled trial
cardiovascular risk factors CVD dairy products men and women randomized crossover controlled trial SFA
2018/11/13
Background: Controversies persist concerning the association between intake of dietary saturated fatty acids (SFAs) and cardiovascular disease risk.
2017神经营养因子戈登学术会议（The 2017 Gordon Research Conference on Neurotrophic Factors）
Neurotrophic Factors Stem Cell Regulation
2017/1/18
The thirteenth Gordon Research Conference (GRC) on Neurotrophic Factors will provide a multidisciplinary and intimate environment for discussing the latest advances in the field of neurotrophic factor...
Changing Views of Evolutionary Factors at Work on Earliest Mammals
Changing Views Evolutionary Factors Earliest Mammals
2016/11/29
Using 3D-printed replicas of 200-million-year-old mammal teeth and polymers that mimic insect prey, scientists at the University of Massachusetts Amherst this week provide the first laboratory-tested ...