信息素

So the application of this sex pheromone provides a new technique for the integrated control of H. hippophaecolus since it is highly effective, nonpoisonous and non-polluting.

用性信息素诱杀害虫作为一种高效、无毒、无污染的新方法为沙棘木蠹蛾的综合防治提供了一条崭新的途径。

For men, celery is believed to be ripe with two pheromones which are emitted through an odourless secretion that is said to be powerfully attractive to women!

对于男人来说，成熟的芹菜可以产生一种无味的分泌物，可以释放出两种据说对女人有强烈吸引力的信息素。

The "Y" type olfactometer test showed that sex pheromones in female solvent extract and female volatiles were both attractive to the males, indicating the presence of sex pheromone in female collections. There was no significant difference in attractive effect between two methods of collection.

Y型嗅觉仪测定表明，雌蚊溶剂浸提和空气收集法获得的提取物对雄蚊有引诱作用，且二者引诱效果无显著性差异(P=0.655)，雄蚊对雄蚊提取物无选择性，说明2种方法均从菊花瘿蚊雌蚊提取到了性信息素。

As well, ACA outperforms GA in performance on average. 2. Through the analysis and studying of Ant colony algorithm and Flow shop scheduling problem, a construction graph is introduced. Two ant colony algorithms are proposed and analyzed for solving the flow shop scheduling problem with the objective of minimizing the flowtime. The Initialization of parameters and updating of trail intensities and probability is described respectively and a newly local search technique is proposed. Last is the experiment and the comparison shows that the PACA performs better than the FACA in the case of relatively large-sized problems than in the case of relatively small-sized problems.

通过对基本蚁群算法的实现过程和流水调度问题进行研究，给出了求解流水调度问题的解构造图，提出了两种蚁群算法来求解以总流程时间最小为目标的流水调度问题-FACA 蚁群算法和PACA 蚁群算法，分别给出了FACA 蚁群算法和PACA 蚁群算法的参数初始化方式、相对应的信息素更新方法和概率分布规则，并提出了局部搜索模式，最后进行模拟试验，对这两种算法进行比较，试验结果表明：对于较大规模的问题，PACA 蚁群算法要优于FACA 蚁群算法，而对于较小规模的问题，FACA 蚁群算法优于PACA蚁群算法。

The new algorithm effectively combines the advantages of ACO and PSO. It adopts the grid method for environment modeling and makes use of the efficiency and succinctness of PSO to obtain the initial distribution of pheromone, reducing the number of iterations and accelerating the convergence. At the same time, by using the parallelizability of ants and distributed parallelized-searching technology, the performance of the algorithm is effectively improved.

该方法有效地结合了粒子群算法和蚁群算法的优点，采用栅格法进行环境建模，利用粒子群算法的快速简洁等特点得到蚁群算法初始信息素分布，以减少迭代次数，加快算法的收敛速度；同时利用蚁群算法之间的可并行性，采用分布式技术实现蚂蚁之间的并行搜索，求解精度高等优点，求精确解。

The paper proposes an algorithm based on the combination of Ant Colony Optimization and Particle Swarm Optimization for path planning.The new algorithm combines the advantages of ACO and PSO effectively and generates the distribution of the initial information for ACO by using the merits of high efficiency and concision of PSO,and then uses the advantages of parallelizability,positive feedback and solution with high accuracy of ACO to get global optimum solution.

提出了一种基于蚁群粒子群算法融合的机器人全局路径规划算法，该方法有效地结合了蚁群算法和粒子群算法的优点，利用粒子群算法的快速简洁等特点得到蚁群算法初始信息素分布；然后利用蚁群算法的并行性、正反馈性、求解精度高等优点，求得全局最优解。

Electroantennogram responses of the generalist parasitoid Campoletis chlorideae Uchida to a range of plant volatiles and host pheromone gland compounds were investigated.

测试了棉铃虫齿唇姬蜂Campoletis chlorideae Uchida对58种植物挥发物和5种寄主性信息素腺体化合物的EAG反应。

I can detect and identify pheromones at three parts per million.

我能 发现并识别出百万分之三的信息素。

EAG responses of male under different temperature and photoperiod to female sex glands extraction under different conditions varied significantly.

不同光温条件的雄蛾对不同光温条件的雌蛾性信息素腺体提取物的EAG反应差异显著。

Put the individual diversity and following behavior into account, with phototaxis and following behavior of two evacuation model parameter, produce the Ant Colony Algorithm Mathematical Model of High buildings pedestrian evacuation.

根据蚁群算法的基本原理及Ant-Density模型，综合考虑了火灾时期人员的个体差异和从众行为，利用信息素和禁忌表等指标将趋光趋众2个疏散模式参数化，建立了高层建筑人员疏散的蚁群算法数学模型。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。