1.
The Research on Changing Characteristics of Microbe Population in Activated Sludge;
活性污泥微生物种群变化特性的研究
2.
Spatio-temporal analysis of planthoppers population based on GIS
基于GIS稻飞虱种群变化时空分析
3.
Salt Effects on Treatment Performance and Microbial Community Structure in MUCT
盐度抑制下的MUCT处理效能及其微生物种群变化
4.
Economic Harvesting Model with Variable Price and Cost for a Single Population
价格成本变化的单种群经济捕获模型
5.
Particle Swarm Optimization Algorithm Based on Velocity Differential Mutation
一种速度差分变异的粒子群优化算法
6.
Research on the changes of the fungus community structure on the apple fruit under bagging culture
苹果果实套袋后真菌种群结构的变化
7.
A Modified Simple Particle Swarm Optimization Using Dynamically Decreasing Inertia Weight
一种动态改变权值的简化粒子群算法
8.
The range of Cv is 15.6%-58.3% in 8 plots.
8个种群的变异系数的变化范围为15.6%-58.3%。
9.
Heliophytes were declining and mesophytes were developing further.
结果表明该群落在演替过程中，其种类结构没有大的变化，但优势种群的个体数量有一定的变化。
10.
CHANGES AFTER SNOW OF THE POPULATION CHARACTERISTICS OF ROOT VOLE(MICROTUS OECONOMUS)IN HAIBEI ALPINE MEADOW
雪后海北高寒草甸地区根田鼠种群特征的变化
11.
THE COMPONENT AND THE PERENNIAL CHANGE OF POPULATION OF BLACKCK SPOT PATHOGEN IN CRUCIFERAE VEGETABLE CROPS
十字花科蔬菜黑斑病原种群组成及季节变化
12.
THE RELATIONSHIP BETWEEN Aphis craccivora POPULATION DYNAMICS AND Vicia faba PHYSIOLOGICAL STRESS
蚕豆蚜种群动态与蚕豆生理变化的关系
13.
The population dynamics of natural Exbucklandia tonkinensis Steenis in Jinggang Mountain
井冈山天然大果马蹄荷种群的动态变化
14.
Study on the Mechanism of the Population Dynamic Variation of the Ceroplastes Japonicus in Jujube Wood;
枣林日本龟蜡蚧种群数量动态变化机理研究
15.
Seasonal Variation of Population Structure of Brachionus Calyciflorus in Lake Jinghu;
镜湖萼花臂尾轮虫种群结构的季节变化
16.
Hybrid ant colony optimization algorithm for unrelated parallel machine scheduling problem;
一种求解变速机调度问题的混合蚁群优化算法
17.
Changing of Dominant Species in Ammonia-oxidizing Population for Deammonification
全程自养脱氮系统中氨氧化菌关键种群的变迁
18.
Comparation of Negative Air Ion Concentration and Daily Variation of 2 Kind of Plant Communities
2种植物群落空气负离子浓度及日变化的比较