Effects of dicofol concentration and food density on the population growth of rotifer Brachionus calyciflorus;
三氯杀螨醇浓度和食物密度对萼花臂尾轮虫种群增长的影响
The sustainable impacts of imidacloprid with lower dosages on the population growth of Nilaparvata lugens;
吡虫啉低剂量对褐飞虱种群增长的持续影响
Population growth, distribution pattern and sampling technique of Thrips palmi on eggplant.;
棕榈蓟马在茄子上的种群增长、分布和抽样技术研究
Effects of transgenic corn expressing Bacillus thuringiensis cry1Ab toxin on population increase of Rhopalosiphum maidis Fitch.;
转Bt基因抗虫玉米对玉米蚜种群增长的影响
The influence of temperature on the population increase of Takecallis taiwanus (Takahashi);
温度对竹梢凸唇斑蚜种群增长的影响
Effect of temperature on the population increase of corn leaf aphid ( Rhopalosiphum maidis ) on wheat;
温度对小麦上玉米蚜种群增长的影响
Relationships among arable-land area change,economic development and population growth in Yantai city;
烟台市耕地数量变化与经济发展人口增长关系的研究
Three models for predicting population growth——Theoretical foundation,application methods,and revised expressions;
人口增长的常用数学模型及其预测方法——兼谈对Keyfitz双曲增长等模型的修正与发展
A experimental analyse on the economical and educational factors influencing Chinese population growth;
我国人口增长的经济教育因素的实证分析
Effects of two tobacco species on experimental and natural population dynamics of Helicoverpa assulta Guenée
两种烟草对烟夜蛾实验种群和自然种群增长的影响
The population growth of meadow moth, Loxostege sticticalis, as affected by host plant preference;
草地螟的寄主植物选择对其种群增长的影响
Effect of Different Sterility Rates on Brandt′s Vole Population
不同不育比例对布氏田鼠种群增长的影响
Effects of Environmental Factors on Growth of Alga Chaetoceros gracilis
环境因子对纤细角毛藻种群增长的影响
The Research of optimal factors on the growth of Chaetoceros gracilis population
纤细角毛藻种群增长最适培养因子研究
Effects of Anthracene on the Population Growth and Interspecific Competition between Two Species of Marine Microalgae under Controlled Laboratory Conditions
多环芳烃—蒽对两种海洋微藻的种群增长和种间竞争影响的研究
On the Long Time Behavior of Solutions to Fractional Reaction-Diffusion Equation for Species Growth and Dispersal
种群增长的分数阶反应扩散方程解的长时间性态
Influences of Transgenic Bt Corn on the Growth and Development and Population of Asiatic Corn Borer
转基因抗虫玉米对亚洲玉米螟生长发育和实验种群增长的影响
Bionomics of Bactrocera tau(Walker) (Diptera: Tephritidae) and the Effect of Foods on Population Dynamics;
南亚实蝇生物学特性及不同食料对其种群增长的影响
Changes of Vegetable Qualities Caused by Injury of the Bemisia Tabaci and Effects of Photoperiod on Its Experimental Population;
烟粉虱对蔬菜品质的影响及光周期对种群增长的影响
Effect of Transgenic Cotton Cultivars on the Population Dynamics of Spodoptera Exigua Hübner and Its Mechanisms;
转基因抗虫棉对甜菜夜蛾种群增长的影响及机理探讨
Inter-specific Competition of Two Species of Marine Microalgae and the Effects of Marine Bacteria on Their Population Growth: What's the Possible Mechanism?
两种海洋微藻的种间竞争及海洋环境细菌对其种群增长的影响和作用机理的探讨
Effects of Several Environmental Factors on Population Growth of Brachionus Calyciflorus and in Vitro Digestion
几种环境因子对萼花臂尾轮虫种群增长的影响及虫体体外消化的初步研究
Economic harvesting model for population with Smith growth
具有Smith增长种群的经济捕获模型
A study on the growth dynamics of dominance of Gordonia acuminata population
四川大头茶种群优势度增长动态的初步研究
The Effect of Beauveria Bassiana on the Population Increase of the Green Peach Aphid, Myzus Persicae;
球孢白僵菌对桃蚜种群数量增长的影响
Growth model of population in pastoral area under the restraint of environment;
环境约束下牧区人口和种群持续增长模型研究
a massive increase, crowd
巨大的增长、 大批的群众