搜索结果: 1-10 共查到“工学 breeding”相关记录10条 . 查询时间(0.093 秒)
Noise and light pollution affect breeding habits in birds（图）
Noise light pollution breeding habits birds
2020/12/11
Looking for a bird's-eye view of human impacts? A new study, published in the journal Nature, provides the most comprehensive picture yet of how human noise and light pollution affect birds throu...
First observations on the breeding ecology of invasive Dryocoetes himalayensis Strohmeyer, 1908 (Coleoptera: Curculionidae: Scolytinae) in its introduced range in Europe – Short communication
bark beetle black walnut Czech Republic forestry Juglans nigra pest
2018/3/6
The invasive bark beetle species Dryocoetes himalayensis Strohmeyer, 1908, originated from Himalayan regions, arrived
in Europe in the 1970s, and is now considered to be established in several Europe...
Processing of multi-temporal satellite data for locust mass breeding control in the west Siberia
Multi-temporal satellite data locust mass breeding vegetation index
2015/8/21
The problem of locust mass breeding in Russia became more and more urgent. Last outbreaks of a locust in the West Siberia,
Kazakhstan and the Caucasus have evoked considerable interest of scientists ...
Quantitative approach for satellite monitoring of locusts mass breeding areas
Agriculture Research Ecosystem Hazards
2015/8/21
Best results in application of satellite locusts monitoring are obtained by using satellite data of high spatial resolution. In the same
time, a satellite monitoring of locusts mass breeding areas in...
Diving Behavior and Identification of Sex of Breeding Atlantic Puffins (Fratercula arctica), and Nest-Site Characteristics of Alcids on Petit Manan Island, Maine
seabird foraging nest characteristics Atlantic puffin Gulf of Maine diving
2014/12/11
During 2008 – 2009, we quantified foraging behavior of adult Atlantic puffins (Fratercula arctica) by deploying time-depth recorders (TDRs) on 18 adults and collected morphological measurements from 4...
Evaluation of Disturbance Factors and Their Effect on Breeding Common Loons at Lake Umbagog National Wildlife Refuge, New Hampshire and Maine
Disturbance Gavia Immer Loon Recreation Umbagog
2014/12/9
Virtually any person exposed to American movies or television has likely heard the call of a common loon (Gavia immer). Its use as a sound prop has become ubiquitous in any scene related to the outdoo...
Current Progress in Breeding of Edible and Pharmaceutical Mushrooms
breeding crossing Di-Mon mating incompatibility factor mushroom
2009/3/6
The objective in breeding of edible and pharmaceutical mushrooms is to produce the strain that is suited for commercial production of high quality fruit bodies at lower running cost. The breeding of ...
The Association Between Cumulative Milk Yield, Days Open, and Days to First Breeding in New York Holstein Cows
days open survival analysis milk yield
2008/7/25
The associations among milk yield, days open, and days to first breeding were studied in 15,320 Holstein cows, calving between June 1990 and November 1993, in 26 New York herds. Survival analysis, inc...
培育具有安全选择标记或无选择标记的转基因植物Breeding Transgenic Plants with Safe or No Selective Markers
转基因植物 选择标记 生物安全性
2007/12/30
摘要转基因植物中选择标记的安全性已成为植物基因工程研究的热点之一。从两个方面可以解决转基因植物中的选择标记问题。一是选用安全的正向选择标记，主要是与糖代谢和激素代谢相关的基因。二是构建能去除选择标记基因的转化系统，主要有共转化系统、双T-DNA边界载体系统、位点特异性重组系统和转座子系统等。这些植物基因工程的方法将有助于培育安全的转基因植物。
Abstract:The bio-safety of...
Research of biological agents effects on reduction of ammonia concentration in stables of intensive farm animals breeding
ammonia emissions living environment slurry pigs poultry
2014/2/28
In the study are presented results of experiments using bio-technological agents Amalgerol, Bio-Algeen G-40 and Biostrong 510 in intensive pig, poultry breeding and cattle slurry treatment for ammonia...
