ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.
HARV STUD CLASS PHIL HARVARD STUDIES IN CLASSICAL PHILOLOGY, VOL 99 HARVARD STUD CLASS P HARVARD STUDIES IN CLASSICAL PHILOLOGY HARV STUD CLASS PHIL HARVARD STUDIES IN CLASSICAL PHILOLOGY HARVARD STUD CLASS P HARVARD STUDIES IN INTERNATIONAL AFFAIRS HARVARD STUD INT AFF HARVARD TEACHERS ...
(导读 阿金)在多细胞生物中,有性繁殖取决于高度分化细胞——配子的形成,一开始配子处于静息状态等待受精,而受精时,细胞周期则恢复。本研究使用拟南芥展示了受精时精子来源的信号诱导雌性配子——中央细胞的增殖,在S期处于静息状态的中央细胞在受精后,其细胞周期成分CYCD7;...
4月5日,东华大学材料科学与工程学院先进功能材料课题组在Science(《科学》)上发表了题为“Single body-coupled fiber enables chipless textile electronics”的研究论文。 (Science期刊插图) 该研究提出了基于“人体耦合”的能量交互机制,并成功...
ST CLASS DAT ANAL DATA ANALYSIS, CLASSIFICATION, AND RELATED METHODS ST CLASS DAT ANAL DATA ANALYSIS, MACHINE LEARNING AND APPLICATIONS ST CLASS DAT ANAL DATA AND APPLICATIONS SECURITY XIX, PROCEEDINGS LECT NOTES COMPUT SC DATA AND APPLICATIONS SECURITY XVII: STATUS AND PROSPECTS INT FED...
L. Using quizzes to enhance summative-assessment performance in a web-based class: an experimental study. J. Appl. Res. Mem. Cogn. 1, 18–26 (2012). Article Google Scholar Rawson, K. A., Dunlosky, J. & Sciartelli, S. M. The power of successive relearning: improving performance...
In their words "Project Drawdown’s world-class network of scientists, researchers, and fellows has characterized a set of 93 technologies and practices that together can dramatically reduce concentrations of greenhouse gases in the atmosphere." But their list of solutions includes helpful actions that...
“Activating and motivating individual students or the whole class”), evaluation (sample item: “Analyzing and judging your own teaching activities self-critically”), dealing with students (sample item: “Actively involving students in the classroom”), and school (sample item: “Making contact ...
//towardsdatascience.com/7-over-sampling-techniques-to-handle-imbalanced-data-ec51c8db349f Combining Over and Under-sampling 3.class_weight give more importance(weight) to that small class ( Cost-Sensitive Algorithms) from sklearn import compute_class_weight Cost-sensitive learning,Class-balanced ...
焦作一中建校以来,已向全国大江南北高校输送了4万余名优秀学子。毕业生离开母校后,秉承“一进一中门,终生一中人”的荣誉感,恪守“锲而不舍,敢为人先”的校训,无论在学业上,还是在工作中,都勤学善思,精业勤业,在各行各业做出了自己应有的贡献。他...