您要查找的是不是:
- population dynamics tendency 种群变动趋势
- Insect population dynamics has always received much attention. 昆虫种群动态的研究一直受到重视。
- Population Dynamics Prediction Techniques of Lymantria dispar L. 舞毒蛾种群动态测报技术。
- A Study on the Population Dynamics of Rhopalosiphum padi on Wheat. 小麦禾缢管蚜种群动态的研究
- Age structure is a foundational base to study the population dynamics. 年龄结构是研究种群动态的重要基础。
- He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics. 他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应。
- A spatiotemporal model for studying insect population dynamics in large-scale system. 一类大尺度系统中昆虫种群时空动态模拟方法。
- Method Makes the dynamic tendency and the Dupont finance generalized analysis the hospital for 10 year economic indicators from many Cheng Mian. 方法:将医院10年来经济指标从多个层面做动态趋势和杜邦财务综合分析。
- Impacts of Climate Changes on Elk Population Dynamics in Rocky Mountain National Park, Colorado, U.S.A. 气候变化对在美国科罗拉多州落基山国家公园内Elk人口流动的影响。
- By quantifying these causes the population dynamics of the insect would be better understood. 通过对这些原因进行定量,可以更好地了解昆虫的种群动态。
- Study on the population dynamics of aphids and predatory natural enemies in Bupleurum chinese Dc. 柴胡苗期蚜虫及捕食性天敌种群消长动态。
- It is suggested that 450W(GGC)light be applied in monitoring population dynamics of JPS and PWN after further test. 因此利用450W高压汞灯监测松墨天牛及松材线虫种群有应用价值,有待进一步试验完善。
- Cutting alfalfa belt could affect the population dynamics of ladybirds, spiders and lacewings. 刈割苜蓿带对棉田棉蚜及瓢虫类、蜘蛛类和草蛉类天敌的数量动态影响较大。
- The dynamic tendency of Pn, TR, gs and the relevant ecological factors and correlation analysis showed that, Pn and gs of leaves during pre-winter period were affected by both temperature and PAR, but TR was cotrolled by temperature only. Pn,TR和gs与有关生态条件的相对变化方向及相关分析表明,冬前叶片Pn和gs受气温和光合有效辐射(PAR)的双重影响,而TR主要受气温的影响。
- Object is applied is populated dynamically. 对象应用到的节点。
- The microbial population dynamics were observed and identified in the three stages of fluidized-bed ecosystem. 因此,在三段式流体化床的环境中可观察到微生物的动态变化和微生物族群的鑑定。
- That is to say,IPC is the multiple caus-ing change of population dynamic trend. 控制指数值即为引起种群数量发展趋势发生改变的倍数。
- Concepts such as population dynamics, food chains, and consumers and producers all have counterparts on the Web. 族群动力学、食物链以及消费者与生产者等概念,在资讯网全都有相对应的部份。
- The population dynamic of Myzus Persicae on Lilium Speciosum was studied. 研究了百合上桃蚜种群数量季节变动动态。
- In 1997 and 1998,the authors studied the breeding habits and population dynamics of Blue Hill Pigeon(Columba rupestris) in Luyashan Nature Reserve. 于 1997、1998年 ,对山西省芦芽山自然保护区内岩鸽的繁殖生态和种群数量进行了观察。