高频单词:evolution ▶evolution :英 [ˌiːvə'luːʃn]n. 演变;进化论;进展;放出双语例句:What is the first step in evolution?进化的第一步是什么? 记忆技巧:e- 向外,离开 + volut 卷,转变 + -ion 行为,状态 💥词汇搭配:theory of evolution 进化学说,进化论peaceful evolution 和平演变...
Individual components of the goldfish preovulatorypheromone elicit different behavioral responses:a first step to understanding the role of mixtures in a vertebrate pheromone Fish sex pheromones are the best understood among the verteb-rates and are crucial for synchronizing reproduction. In the goldfish...
J Withey - 《Journal of Bacteriology》 被引量: 156发表: 1999年 Interactions between the terminal bases of mammalian introns are retained in inosine-containing pre-mRNAs. Nuclear pre-mRNA splicing has a fundamentally similar two-step mechanism to that employed by group II self-splicing introns. It...
Subjecting a physical system to extreme conditions is one of the means often used to obtain a better understanding and deeper insight into its organization and structure. In the case of the atomic nucleus, one such approach is to investigate isotopes that have very different neutron-to-proton (...
Hence, it is quite feasible that plants have a distinct rate of evolution, that animals have a different and equally distinct rate, and that other groups (and subgroups within these) each have their own rates. Doolittle et al. [1] have averaged many of these rates, but this does not ...
Tardigrades are one of the fewwidespread Antarctic terrestrial animals that have the potential to be used as a model for evolution and biogeography on theAntarctic continent. We isolated 126 individual tardigrades from four geographically isolated soil samples from two remotenunataks in the Sr Ronda...
4.5G represents the next step in the evolution of the entire wireless industry. NB-IoT in particular, will bring new business opportunities. But, it requires the concerted involvement of telcos, device vendors, chip and module vendors in terminals, and service vendors in verticals. Huawei is lea...
a step change social offers new horizons for service effectiveness. for instance, companies are connecting with dissatisfied customers before their complaints spread and providing support wherever customers gather online. businesses are also able to forge new connections between customers and use social ...
Geometry of illumination and observation and all sources of uncertainties are also included. It constitutes a major improvement with respect to the current MVIRI file format that does not include these ancillary values [17]. This paper describes the first step of this process. Steps 2 and 3 ...
For the first pedestrians to step off the kerb, we showed that the probability to cross the road follows three different processes: one at the red signal, one just before the pedestrian signal turns green, and one after the signal has turned green. Globally, the decision of the first ...