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Bee competitive: Research reveals the impact of natural selection on nectar supply and demand
natural selection nectar supply and demand seasonal imbalances
2021/8/6
Theoretical research indicates that natural selection will increase existing seasonal imbalances between the supply of nectar from flowers and the demand from bees and other insects.
More than half of world's fresh water supply warming rapidly（图）
More than half of world fresh water warming rapidly
2017/11/23
More than half of the world's fresh water supply is warming rapidly, according to an NSF- and NASA-funded study.Using satellite data and ground measurements collected from 235 lakes on six continents ...
Those who crave brownies or hot cocoa may be happy to hear that heroes too small to be seen may help to protect the world’s chocolate supply. Scientists at the Smithsonian Tropical Research Institute ...
Silver nanoparticle concentration too low to be harmful in water supply,paper finds
Silver nanoparticle concentration too low harmful water supply paper finds
2016/11/4
Silver nanoparticles have a wide array of uses, one of which is to treat drinking water for harmful bacteria and viruses. But do silver nanoparticles also kill off potentially beneficial bacteria or c...
The University of Queensland has suspended from 21 February the supply of pigs to market from its Gatton piggery while it investigates concerns about possible contamination.
Effects of Dietary Protein and Threonine Supply on In vitro Liver Threonine Dehydrogenase Activity and Threonine Efficiency in Rat and Chicken
Threonine Oxidation Threonine Efficiency Threonine Dehydrogenase Liver of Rat and Chicken
2016/5/9
This study was conducted to assess the relation between threonine (Thr) oxidation rate and threonine efficiency on rat and chicken fed with graded levels of protein and threonine. The increase in thre...
Relationships between Methionine Supply, Nitrogen Retention and Plasma Insulin-like Growth Factor-I in Growing Sheep Nourished by Total Intragastric Infusions
Methionine Nitrogen Retention IGF-I Sheep
2016/5/9
Four 4-month old CharolaisDorset male sheep (initial liveweight 25.01.1 kg), fitted with rumen and abomasal fistulas and nourished by total intragastric infusions, were used to study t...
Effects of Synchronization of Carbohydrate and Protein Supply on Ruminal Fermentation, Nitrogen Metabolism and Microbial Protein Synthesis in Holstein Steers
Synchrony Index Carbohydrate and Protein Fraction Nitrogen Utilization Purine Derivatives Ruminal pH Ammonia Volatile Fatty Acids
2016/5/5
Three rumen-cannulated Holstein steers were fed three diets, each with a different synchrony index (SI) (LS: 0.77, MS: 0.81, and HS: 0.83), in order to examine the effect of diet on rumen fermentation...
期刊信息
篇名
Supply chain disruption management and evolutionarily stable strategies of retailers in the quantity-setting duopoly situation with homogeneous goods
语种
英文
撰写或编译
作者
Xiao Tiaojun,Yu Gang
第一作者单位...
Measurement of Microbial Protein Supply in Murrah Buffaloes (Bubalus bubalis) Using Urinary Purine Derivatives Excretion and PDC Index
Buffaloes Levels of Feed Intake Purine Derivatives Microbial Protein PDC Index
2016/4/20
A study was conducted to predict the rumen microbial protein production based on urinary excretion of purine derivatives in buffaloes fed a diet of wheat straw and concentrate (40:60) at four fixed le...
Model to Predict Absorbed Amino Acid Supply at the Proximal Duodenum in Growing Beef Cattle
Growing Beef Cattle Absorbed Amino Acid Supply Predictive Model
2016/4/19
Five crossbred beef cattle (Simmental횞yellow cattle, Shantung Province) fitted with permanent cannulae in the rumen and T-type cannulae at the proximal duodenum and terminal ileum, were fed fiv...