搜索结果: 1-15 共查到“理学 differences”相关记录82条 . 查询时间(0.146 秒)
Sex differences in gene expression in alveolar type 2 (AT2) cells may underlie sex biases in the prevalence and severity of lung diseases, according to a study led by University of Pennsylvania scient...
Within a given tissue or organ, cells may appear very similar or even identical. But at the molecular level, these cells can have small differences that lead to wide variations in their functions.
Genomic differences selected through evolution may offer clues as to why COVID-19 outcomes vary widely（图）
基因组差异 病毒学 COVID-19
2023/7/11
Though underlying medical conditions play an important role, many aspects of why COVID-19 severity can differ vastly from one person to another have remained unclear.
Big differences in how coral reef fish larvae are dispersed（图）
Big differences how coral reef fish larvae dispersed
2021/2/5
How the larvae of colorful clownfish that live among coral reefs in the Philippines are dispersed varies widely, depending on the year and season, a finding that could help scientists improve conserva...
Genetic differences in eggshell ultrastructural properties of Saudi native chicken breeds kept at high ambient temperatures
eggshell strength egg quality mammilliary layer total score
2018/11/23
Egg quality and eggshell ultrastructural properties of four Saudi native chicken breeds were compared to detect genetic differences. A total of 480 laying hens at 28 weeks of age, representing four Sa...
THE REGIONAL DIFFERENCES OF GPP ESTIMATION BY SOLAR INDUCED FLUORESCENCE
Gross primary productivity Solar-induced chlorophyll fluorescence, Temperature Precipitation Simple linear regression analysis Determination coefficient
2018/5/15
Estimating gross primary productivity (GPP) at large spatial scales is important for studying the global carbon cycle and global climate change. In this study, the relationship between solar-induced c...
Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts
BMI adults genetics twins international comparisons
2018/11/15
Background: Genes and the environment contribute to variation in adult body mass index [BMI (in kg/m2)], but factors modifying these variance components are poorly understood.
Differences in Oviposition and Egg Quality of Various Genotypes of Laying Hens
layers genotype sequence time of collection egg quality
2018/3/5
The differences in egg production traits in six laying hen genotypes (brown-egg hens Bovans Brown, Bovans
Sperwer, ISA Sussex; white-egg hen Dekalb White; laying hens with tinted shells Moravia Barre...
IU biologists reveal how powerful 'master gene' regulates physical differences between sexes
IU biologists master gene physical differences sexes
2017/3/14
Physical differences between males and females in species are common, but there remains much to learn about the genetic mechanisms behind these differences.
New research by scientists...
Inverted,but not perfectly:First trace of differences between matter and “ordinary” antimatter
Inverted but not perfectly First trace differences between matter ordinary antimatter
2017/3/14
In data collected during the first phase of operation of the Large Hadron Collider the LHCb collaboration team has discovered an interesting asymmetry. The most recent analysis of decays of the beauty...
Differences in Physicochemical and Nutritional Properties of Breast and Thigh Meat from Crossbred Chickens, Commercial Broilers, and Spent Hens
Crossbred Chicken Commercial Broiler Spent Hen Physicochemical Properties
2016/7/27
The objective of this study was to compare the physicochemical and nutritional properties of breast and thigh meat from commercial Chinese crossbred chickens (817 Crossbred chicken, 817C), imported co...
A New View of Brain Development:Scientists Uncover Striking Differences Between the Adult and Newborn Mouse Brain
Brain Development Scientists Striking Differences Adult Newborn Mouse Brain
2016/7/4
Columbia scientists have found that spikes in the activity of neurons in young mice do not spur corresponding boosts in blood flow — a discovery that stands in stark contrast to the adult mouse brain....
All males are not created equal: Fertility differences depend on gamete recognition polymorphisms in sea urchins
created equal gamete recognition polymorphisms
2015/12/17
Behaviors, morphologies, and genetic loci directly involved in
reproduction have been increasingly shown to be polymorphic
within populations. Explaining how such variants are maintained
by selecti...
Gender Differences in Growth in Mathematical Skills During Secondary Grades: A Growth Model Analysis
Mathematical Skills Growth
2015/9/28
The purpose of this study was to examine differences in the rate at which males and females acquired mathematical skills during secondary grades and to determine the relationship between their rates o...
Regional Differences in the Role of Eddy Pumping in the North Atlantic Subtropical Gyre: Historical Conundrums Revisited
Eddy Pumping Historical Conundrums Revisited
2015/7/20
The vast subtropical regions of the ocean account for at least 30% of the carbon export to the deep ocean. It is predicted that these regions will get larger as a consequence of global warming. Tradit...