筛选
科学数据
统计数据
共检索到18833条 ,权限内显示50条;
Semi-nude woman placing a child on the ground and the child running off
- 负责人:
- DOI:
- doi:10.25549/rbm-m389
- 摘要:
- Semi-nude woman placing a child on the ground and the child running off . This is plate 215, captioned "Placing a child on the ground; the child
Data from: A cross-cultural investigation of young children’s spontaneous invention of tool use behaviors
- 负责人:
- DOI:
- doi:10.5061/dryad.x0k6djhfn
- 摘要:
- Through the mechanisms of observation, imitation and teaching, young children readily pick up the tool using behaviors of their culture. However, li
Data from: A molecular phylogeny of Staphyleaceae: implications for generic delimitation and classical biogeographic disjunctions in the family
- 负责人:
- DOI:
- doi:10.5061/dryad.q4qb1
- 摘要:
- Staphyleaceae traditionally comprises three genera of temperate and tropical trees and shrubs: Euscaphis Siebold & Zucc., Staphylea L., and Tuprinia
Genetic progress in Dutch crop yields
- 负责人:
- 关键词:
- Life sciences, medicine and health care winter wheat spring barley potato sugar beet crop yield genetic improvement agriculture Temporal coverage: 1972-2010
- DOI:
- doi:10.17026/dans-xb9-zpmw
- 摘要:
- This dataset contains the underlying data for the study: Rijk, B., Ittersum, M. van, Withagen, J. "Genetic progress in Dutch crop yield
Two men with Hyena skin, Dodoma, Tanzania, July-November 1917
- 负责人:
- DOI:
- doi:10.25549/impa-c123-81587
- 摘要:
- \u201CTwo of the boys with a young striped hyaena skin.\u201D Portrait of two men holding an animal skin, the man on the left is probably wearing
Oxen treading wheat, , Punjab, Pakistan, ca.1890
- 负责人:
- 关键词:
- agriculture farming Ox teams Wheat
- DOI:
- doi:10.25549/impa-c123-78896
- 摘要:
- \u201CTreading the wheat.\u201D Exterior view of an oxen being led over harvested wheat in a field as a form of threshing. ? This is one of a series
Data from: From the field to the lab: best practices for field preservation of bat specimens for molecular analyses
- 负责人:
- DOI:
- doi:10.5061/dryad.3d727
- 摘要:
- Studies in molecular ecology depend on field-collected samples for genetic information, and the tissue sampled and preservation conditions strongl
Data from: Old-male paternity advantage is a function of accumulating sperm and last-male precedence in a butterfly
- 负责人:
- DOI:
- doi:10.5061/dryad.3mt25
- 摘要:
- Old-male mating advantage has been convincingly demonstrated in Bicyclus anynana butterflies. This intriguing pattern may be explained
Data from: Temporal dynamics of linkage disequilibrium in two populations of bighorn sheep
- 负责人:
- DOI:
- doi:10.5061/dryad.n2cj3
- 摘要:
- Linkage disequilibrium (LD) is the nonrandom association of alleles at two markers. Patterns of LD have biological implications as well as practical
Data from: Association of low-density lipoprotein cholesterol within the normal range and NAFLD in the non-obese Chinese population: a cross
- 负责人:
- DOI:
- doi:10.5061/dryad.1n6c4
- 摘要:
- OBJECTIVES: The relationship between normal low-density lipoprotein cholesterol (LDL-c) levels and nonalcoholic fatty liver disease (NAFLD