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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Analytic smoothing effect of a class of ultra-parabolic equations
一类超抛物型方程 解析 光滑效应
2023/11/29
We study a class of ultra-parabolic equations, it is a high order degenerate parabolic operators of Hormander type, so it is strongly degenerate, but we prove that this class operators possesses the a...
Electron Compensation Effect Suppressed Silver Ion Release and Contributed Safety of Au@Ag Core-Shell Nanoparticles
Au@Ag core-shell electron compensation safety biomedical application
2023/6/21
Silver nanoparticles (Ag NPs) have promising plasmonic properties, however, they are rarely used in biomedical applications because of their potent toxicity. Herein, an electron compensation effect fr...
ALICE makes first direct observation of a fundamental effect in particle physics（图）
ALICE particle physics fundamental effect charm quark
2022/6/27
The ALICE collaboration at the Large Hadron Collider (LHC) has made the first direct observation of the dead-cone effect – a fundamental feature of the theory of the strong force that binds quarks and...
Like matryoshka dolls: One insect species introduced decades ago to a small island had an effect on several insect populations
insect bacterial symbiont genetic ecological system
2021/8/5
Researchers thought 30 years ago that they just introduced some Glanville fritillary butterfly larvae on a small island in the Åland islands, Finland. Little did they know that within the butterf...
You can't have your cake and eat it too, as the saying goes. But what if you could save your slice while enjoying the benefits at the same time? New research suggests that's possible when it comes to ...
中国地质大学科学技术发展院苟启洋，徐尚，郝芳等，资源学院/构造与油气资源教育部重点实验室. Energy(December 2020), The effect of tectonic deformation and preservation condition on the shale pore structure using adsorption-based textural quantification and 3D image observation
构造作用；保存条件；有机质；页岩；微纳米；孔隙；发育演化
2021/10/15
近日，中国地质大学资源学院博士生苟启洋在国际著名能源地质学期刊《Energy》上刊发研究成果，该成果主要揭示了构造作用和保存条件对富有机质页岩微纳米孔隙发育演化的控制作用，探讨了不同孔隙结构背景下页岩储层压裂改造效果。
Clouds' greenhouse effect instrumental in origin of tropical storms（图）
Clouds greenhouse effect instrumental origin tropical storms
2020/11/6
The tropical storm season in the Atlantic Ocean is already well into the Greek alphabet for naming.Better tropical storm track forecasting has allowed timely preparations and evacuations. However, pre...
中国地质大学科学技术发展院周佳庆, 王礼春, 李长冬 等, 工程学院. Journal of Hydrology (2020), Effect of fluid slippage on eddy growth and non-Darcian flow in rock fractures
高精度；数值模拟方法；水流涡旋区；裂隙岩体
2021/10/15
2020年2月，水文地质学期刊《Journal of Hydrology》刊发了中国地质大学工程学院周佳庆副教授团队题为《Effect of fluid slippage on eddy growth and non-Darcian flow in rock fractures》的学术成果。该文采用高精度数值模拟方法和水流涡旋区自动检测技术，研究了岩石裂隙壁面流体滑移对裂隙岩体宏细观渗流特性的影响...
Effect of supplementation with two combinations of alternative to antimicrobials by stages on cecal fermentation in rabbits
Bacillus subtilis acidifier essential oil fructooligosaccharide fermentation trait
2018/11/23
Antimicrobials inhibit cecal fermentation when preventing rabbit from infection. This study aimed to evaluate the effect of supplementation with two combinations of alternative to antimicrobial (combi...
Effect of thawing method on bull sperm survival in ejaculates frozen in 4 ml and 8 ml volumes
bovine semen large volumes semen processing sperm quality parameters
2018/11/23
The aim of this study was to evaluate the effect of different thawing protocols (slow (P1), medium (P2), and fast (P3)) on percentage of motile sperm (MOT) and percentage of sperm cells with intact me...
Discriminant analysis of colour measurements reveals allele dosage effect of ASIP/MC1R in bay horses
horse coat colour ASIP MC1R CIE L*a*b
2018/11/23
Considering the variability of bay coat colour, we aimed to investigate the association of different shades of bay with ASIP and MC1R genotype combinations and we studied the discrimination between th...
Effect of synbiotic dietary supplementation on histological and histopathological parameters of Pectoralis major muscle of broiler chickens
poultry bioactive substances muscle fibre histopathological traits
2018/11/23
Bioactive substances may constitute an alternative to antibiotics. Probiotics are mixtures of microorganisms that enhance the effectiveness and yield of nutrient absorption by competing for the substr...
Effect of freeze-dried pasture herbage on ileal digestibility of amino acids and fatty acids in chickens
lyophilized pasture broilers digestibility fat protein anti-nutritional factors
2018/11/23
The ileal digestibility of amino acids and fatty acids in young chickens fed control diet or experimental diets supplemented with freeze-dried pasture herbage at 20 or 40 g/kg was studied. Control die...
Negative effect of phytase superdosing in laying hens
Hisex dietary calcium OptiPhos® performance
2018/11/23
Hisex hens, aged 24 weeks, were divided into 6 groups. Each group consisted of 4 cages with 10 hens per cage with dimensions and equipment meeting the EU directives. This 2 × 3 factorial experiment in...
Effect of vitrification on apoptotic changes in feline embryos
cat TUNEL blastocyst Annexin-V apoptosis
2018/11/23
The aim of this study was to evaluate the influence of a vitrification-warming procedure on the viability of cat embryos and blastocysts and the incidence of apoptotic changes in blastocysts subjected...