larithmics

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

This paper, through analysing the derivative procedure of the parmeters, presents the relationships between parameters of the logistic model, (including the population growth rate r, the carrying capacity K, the constant a, the density-dependency coeffciont l, and the inflection time point of logistic curve tm).

通过分析Logistic模型的推导过程得到了各个参数之间的关系，这些参数包括种群增长率r，环境容纳量K，密度制约系数l，常数项a，拐点时刻rm。

The results showed that temperature affected the population density and population growth rate significantly(P<0.

结果表明:温度对该种轮虫种群密度及种群增长率均有显著影响(P<0。

The density and population growth rate of p.

方差分析结果表明pH值对草履虫的密度和种群增长率均无显著影响(P>0。

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