The determination of male ratio and growth rate of tilapias;
罗非鱼苗雄性率和生长率测定
Study on growth rate of five species under drought-watering cycle in sand dune area in west Jilin province;
吉林西部沙丘区造林树种在干旱——补水循环条件下生长率的比较
Prediction model of volume and basal area growth rate for \%Cunninghamia lanceolata \%plantations.;
杉木人工林分蓄积和断面积生长率的预估模型
The growth rates and survival rates of artificiallyproduced juveniles of Lateolabrax japonicus feeding on enriched rotifer,enriched copepoda,enriched artemia nauplii,unenriched artemia nauplii,and artificial formulated diet for 34 days were investigated during December 20,2001 to January 23,2002.
结果表明:投喂经营养强化的轮虫、桡足类和经营养强化的卤虫无节幼体,花鲈稚鱼的生长率和存活率均较高,捕苗操作后1d的死亡率则较低。
It was found that light intensity was the more important factor regulating the levels of chlorophyll a and R phycoerythrin and growth rates, all of which (except for growth rates) varied inversely with light.
实验研究光照、温度对细基江蓠的生长率及生化组成等指标的影响。
A comparative analysis ofδ~(18)O and the growth rates shows that the climatic changes.
石笋δ18O记录与生长率对比研究表明:此阶段都匀地区经历了暖湿-冷干-暖湿的3个阶段气候演变趋势,反映了受西南季风与东亚季风双重影响的相互作用过程。
Studies on the Effects of Shelters on the Growth of Cultivated Soft-shelled Turtle;
结果表明：提供砂子、瓦片和水浮莲作为掩蔽物反而不利于鳖的生长：无掩蔽物使得养殖水质更易控制，稚、幼鳖生长率增高。
The effect of pressure on growth rate and quality of diamond films prepared by microwave plasma chemical vapor deposition;
微波化学气相沉积中气压对金刚石薄膜生长速率和质量的影响
Impact characteristics of reclaimed water irrigation on the growth rate,chlorophyll and cartenoids contents of lawn grasses;
再生水灌溉对草坪草生长速率、叶绿素及类胡萝卜素的影响特征
Study on biomass structure dynamics and growth rate of Calamagrostis angustifolia wetland in Sanjiang Plain;
三江平原小叶章湿地种群生物量结构动态与生长速率分析
With the maximum specific growth rate,expressed by count of algal cells as evaluation index,the two algae were compared in sensitivity to atrazine.
在实验室内利用MA培养液培养,通过测定藻生长量和叶绿素a含量,研究不同浓度下的阿特拉津对铜绿微囊藻(M icrocystis aeruginosa)和四尾栅藻(Scenedesmus quadricauda)生长的影响,并以藻细胞数表示的最大比生长率为指标,评价2种藻对阿特拉津的敏感性。
The specific growth rate is one of the key parameters in fermentation process,but to get its value on-line is difficult because of lack of reliable sensors.
提出了一种基于在线可测的二氧化碳释放率的需氧发酵过程中比生长率的在线估计方法,并且采用优化的方法进行模型中重要参数的选择。
The specific growth rate at a certain growth phase is pre-estimated using the on-line measurable OUR,then the on-line identification of growth phases is available to carry out in accordance to the pre-estimated value of specific growth rate.
利用在线可测的摄氧率对处于特定发酵阶段的比生长率进行预估,再利用比生长率的预估值进行发酵阶段的在线辨识。
donghaiense was 8 when NH_4Cl was the nitrogen source,and the growth rate was 0.
20μmol/L(N/P为8)时藻的比生长率最高,达0。
Comparison of Annual Individual-Tree Growth Models Based on Variable Rate and Constant Rate Methods
可变生长率法和固定生长率法在单木年生长预测中的比较研究
EFFECT OF STAPLE ON GROWTH RATE OF VERTEBRAL GROWTH PLATES IN GOAT SCOLIOSIS
Staple对侧凸山羊椎体生长板生长率的影响
Growth Rate and Drilling Rate of Free-living Conchocelisof Varietal Porphyra yezoensis;
条斑紫菜自由丝状体的生长率及钻孔率
The rates of growth of births and deaths will depend a number of factors.
增长率、出生率和死亡率都决定于若干因素。
Information Technology,Economy Growth and Labor Productivity Growth;
信息技术、经济增长与劳动生产率增长
Total Factor Productivity, Single Factor Productivity and Economic Growth;
全要素生产率单要素生产率与经济增长
China s Regional Differences in Technical Efficiency and the Decomposition of Total Factor Productivity Growth(1978-2003);
地区间生产效率与全要素生产率增长率分解(1978—2003)
A Study on the Labor Productivity Growth and Real Exchange Rates Changes between China and the US;
中美劳动生产率增长与实际汇率变动研究
Estimating Total Productivity and Its Components in Gansu Province;
甘肃全要素生产率增长率的估算及分解
An Analysis on Three External Factors Improving Productivity Growth Rates in Companies;
提高生产率成长率的三种外部因素分析
The Effect of Labor Productivity and Labor Participation on Economic Growth;
劳动生产率、劳动参与率对经济增长的影响
The Comparison between the Contribution of Soft-input and the Growth Rate of Total Factor Productivity
软投入贡献与全要素生产率增长率比较分析
Beijing's birthrate was 6.1 per thousand, death rate, 5.3 per thousand, and the natural population growth rate was 0.8 per thousand, down by 0.1 permillage points.
全市人口出生率为6.1‰，人口死亡率为5.3‰，人口自然增长率为0.8‰。
It is not true that population increases in a larger proportion than production of the means of subsistence;
人口增长率大于食料生产增长率的说法是不正确的。
The Growth Rate of Capital Productivity and the Velocity,Quality and Costs of Economic Growth;
资本生产率增长率与经济增长的速度、质量和成本
Research on Economic Growth Pattern from the Perspective of Total Factor Productivity Growth
从全要素生产率增长看经济增长方式的变化
The prevalence of growth retardation among children under the age of 5 was 14.3%,
5岁以下儿童生长迟缓率为14.3%，
Gross Domestic Product growth rate in real terms
本地生产总值实质增长率