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   population growth 的翻译结果: 查询用时:0.175秒
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population growth     
相关语句
  人口增长
     A Simulation Model DEM-CEM for Population Growth and Economic Development Study
     人口增长与经济发展仿真模型DEM-CEM
短句来源
     CHINA MUST KEEP ON CONTROLLING POPULATION GROWTH
     中国仍应严格控制人口增长——论人口增长与经济增长的关系
短句来源
     The land use change is mainly caused by the development of the economy and technology, the population growth, the agricultural structure adjustment, the policy and so on.
     通过对土地利用变化驱动力的定性与定量分析,发现经济发展、人口增长、农业结构调整、科技发展、政策等是引起土地利用变化的重要原因。
短句来源
     Application of AR Model in Population Growth Prediction
     AR模型在人口增长预测中的应用
短句来源
     (3)This paper builds the WECC system dynamics model of river, comprehensively considering many factors including economic development, population growth, environmental capacity of pollutant, the river ecological and environmental water demand, the control measures of water pollution and the protective plan of water environment, simulating the indexes in WECC index system.
     (3)建立了河流水环境承载力系统动力学模型,综合考虑了经济发展、人口增长、污染物环境容量、生态环境需水量、水污染控制措施、水环境保护规划等诸多方面的因素,对水环境承载力指标体系中的指标进行模拟,水环境承载力系统动力学的建立与模型模拟能够对水环境控制措施进行量化,对改善桑干河流域的生态环境具有实际的指导意义。
短句来源
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  种群增长
     The effect of food and initial population density on the population growth of Brachionus plicatilis by the method of orthogonal design as water temperature was at (17.8±1.3) ℃ and (23.3±1.9) ℃ were studied separately.
     应用正交设计方法, 研究了水温分别为(17.8±1.3 )℃和( 23.3±1.9 )℃条件下, 不同饵料和接种密度对褶皱臂尾轮虫(Brachionusplicatilis) 种群增长的影响.
短句来源
     In this paper,a new self adaptive model for population growth,i. e. S= exp (α ln 2(1+ce -rt )+β ln (1+ce -rt )+γ) was established,which combined Logistic,Smith,Gompertz,Cui Lawson,Zhang Logistic and Liu Logistic models.
     提出自适应种群增长新模型S =exp(αln2 ( 1+ce-rt) +βln( 1+ce-et) +γ) ,该模型包融了Logistic模型、Smith模型、Gompertz模型、崔 Lawson模型、张 Logistic模型和刘 Logistic模型 .
短句来源
     If the alga Scenedesmus obilquus was used as the rotifer's food, the concentration of 6.0×10 6cells/ml was most favorable for the population growth.
     若以斜生栅藻为食物 ,轮虫种群增长的最适浓度为 6.0× 10 6cells/ml.
短句来源
     Indices of population trend (Y) of this species within the range of temperatures (X) studied can be expressed as follows:Y =-2530.285 + 282.1893X - 6.2407X2It is calculated with this equation that the favourable temperature for the population growth is 22.6℃, at which the number of the armyworm will increase about 660 times after one generation cycle.
     种群增长指数可用下述方程表示:y=-2530.2850+282.1893X-6.2407X~2在最适温度(22.6℃),繁殖一代,种群数量约增加660倍。
短句来源
     Rotifer can survive at pH 3. 5 ~ 11. 5, but the optimum pH for population growth is 8. 5. where the rotifer shows a maximum reproductive sped. and the absolute egg density is the highest (132 cells' ml-1 ).
     pH在 5. 5~9. 5之间种群为正增长,即正为正 值.该轮虫存活的pH上限为11.5,下限为3.5.在种群增长最适pH(8.5)条件下,该轮虫 的繁殖最快,即绝对带卵量最高(132个·ml-1);
短句来源
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  种群生长
     The Cd2+ 、 Pb2+ 、 Cu2+ exhibited fairly strong inhibition to population growth of tetrahymena pyrifomis. They are the most sensitive to Cd2+ in their environment.
     Cd2+、Pb2+、Cu2+对梨形四膜虫的种群生长具有明显的抑制作用,梨形四膜虫对Cd2+反应最敏感.
短句来源
     The influences of humidity and photoperiod on the population growth of Pseudaulacapis pentagona (Targioni\|Tozzetti) were studied in the laboratory.
     本文分析了 4组不同湿度和 3组光照条件下桑白盾蚧 Pseudaulacapis pentagona(Targioni-Tozzetti)的种群生长状况 ,组建生命表。
短句来源
     The results indicate that the population growth was greatly affected by temperature and the Q 10 being 2.37 in the range from 8 to 33℃, while the population growth and the morphology of this specie were not significantly affected by the salinity in the range from 10 to 60‰.
     结果表明 ,温度对繁殖速度和种群生长影响极为显著 ,在 8~ 33℃范围内温度系数Q10 =2 .37; 而盐度 (‰ )在 10~ 6 0范围内对其种群增长及形态未有明显影响 .
短句来源
     Analysis of data showed that the ammonia accumulation was higher than that of the control during the equilibrium stage of ciliate population growth,and was significantly lower than in the control during the decaying stage either in Euplotes treatments with a range of 0 01-0 2 g/L glucose concentrations or in the Uronema treatments with a range of 0 05-0 2 g/L glucose concentrations.
     结果表明 ,在葡萄糖浓度为 0 0 1 - 0 2 g/L的牛肉浸膏培养液中 ,氨积累在纤毛虫种群生长平衡期高于对照组 ; 在衰退期扇形游仆虫组显著低于对照组 ,而海洋尾丝虫组仅在 0 0 5 - 0 2g/L葡萄糖浓度范围内显著较低。
短句来源
     THE STUDY OF THE REALATIONSHIP BETWEEN LEYMUS CHINENSIS POPULATION GROWTH AND ENVIRONMENT ON THE GRASSLAND IN THE NORTHEAST CHINA
     东北羊草草原羊草种群生长与环境关系的研究
短句来源
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  人口发展
     Population Growth and Energy Security in China
     中国人口发展与能源供应保障探讨
短句来源
     Population Growth and Social Development—— FIFTY YEARS OF DEMOGRAPHY IN NEW CHINA Witnesses Achievements and Lessons in Development of New China
     人口发展与社会发展——《新中国人口五十年》见证新中国发展的经验教训
短句来源
     FORECAST OF CHINA'S POPULATION GROWTH AT 1.90 (TFR)
     按1.90方案对我国人口发展的预测
短句来源
     Projection and Analysis of the Population Growth in Changnin County
     昌宁县人口发展预测分析
短句来源
     Compared with other models, Logistic model has solved the simulated problem in the process of population growth when the growth rate changes, but it lacks the calculating function in the area of negative population growth.
     ]相对于其他预测模型而言 ,L ogistic模型解决了对增长率变动时的人口发展过程的模拟问题 ,特别适宜于模拟人口发展速度递减、逐渐趋于零增长时的情况 ,适合于计划生育工作比较稳定、抓得比较紧的地区。 但本模型缺乏人口转换为负增长地区的预测能力 ,而且计算的人口极值是相对的
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  population growth
A new class of competition models in which the population growth coefficients are represented by periodic delta-functions is designed.
      
Analysis of the available field and published data indicates a two-stage pattern of the population growth phase and a synchronous transition of wolf populations to this phase.
      
Selenium in concentrations of 0.01 and 0.5 mg/liter stimulated cell population growth, while the number of ultrastructural alterations was the same as in the control cells.
      
At a selenium concentrations of 1 mg/liter, cell population growth slightly decreased by the end of the experiment, and there was some increase in the number of cells with damaged organoids and in the number of completely destroyed cells.
      
salina, suppressing cell population growth and promoting extensive destructive changes.
      
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