查询词典 biological population

The effect of several control approaches, i.e. chemical control, frequency trembler grid lamps and pheromone traps, the methods based on plant attractiveness and repellency, transgenic plant, and biological control, was studied in order to reduce the population of S.

为了控制斜纹夜蛾，使农作物免受危害，前人研究了化学防治、杀虫灯和性诱捕器诱杀、植物诱集和驱避、转基因抗虫品种以及生物防治对其种群控制作用。

In order to optimize the nitrification design of the bioreactor,the influence of applied loading and temperature on the population structure of microorganisms in a two-stage upflow biological aerated filter was investigated.

为优化反应器的脱氮设计，就水力负荷、温度对二级上向流曝气生物滤池内微生物种群结构的影响进行了研究。

Department of Biological Sciences is primarily dedicated to teaching and research in biology including insect and vertebrate molecular ecology, historical biogeography and population genetics; conservation genetics, crustacean endocrinology, physiology and biochemistry of gametes, vertebrate physiology, systematics, ecology, and zoogeography of freshwater and marine fishes, molecular genetics, reproductive physiology, evolutionary genetics.

生物科学系主要致力于生物学的教学与研究，其研究领域包括昆虫和脊椎动物分子生态学，历史生物地理学和种群遗传学，保护遗传学，甲壳类内分泌学，配子生理生化，脊椎动物生理学，淡水和海洋鱼类系统学、生态学、动物地理学，分子遗传学，生殖生理学等。

The explication of the above mentioned issues involved propagating system, individual number, age structure, renewal ability, growth mode and harvesting technique of population, and involved their relations with biological and abiological environments.

这些问题的阐明涉及到种群的繁殖系统、个体数量、年龄结构、更新能力、增长模式、收获技术及其与生物和非生物环境的关系等。

Methods We applied biological climate model S. invicta population dynanaics model, nonparametric regression model (Generialized Additive Model GAM), three differentmethods of analyzing and forecasting, to explore ways forecast biogeographical distribution correctly.

研究方法：本研究利用生物气候模型、红火蚁种群动态模型、非参数回归统计模型(Generialized Additive Model GAM)三种不同的分析预测方法，对有害生物的空间分布预测方式进行探索。

The cabbage beetle, Colaphellus bowringi Baly (Coleptera: Chrysomelidae) is a serious pest of crucifers in China. Being material, this paper studied it's biological characters of Shandong population, the ecological adaptability of different geographic populations.

大猿叶虫Colaphellus bowringi Baly属鞘翅目Coleptera，叶甲科Chrysomelidae，无缘叶甲属Colaphellus，是我国十字花科蔬菜上的一种重要食叶害虫。

The manner of death was deduced comprehensively based on all above findings. Results: There were 85 cases determined as drug abuse death in Shaanxi area from Oct. 1995 to Oct. 2001, including 63 males and 22 females. 70% of the subjects detected in postmortem biological samples were heroin /morphine. Hyperaemia, edema, hemorrhage and arteriolar sclerosis of multi-organs; cells denature and necrosis; foreign body in pulmonary, as well as needle puncture tracks on skin and dermapostasis, were common pathological observations. Incidences of tuberculosis(21%),cirrhosis(12%) and hepatitis(9%) were higher than those found in general autopsy population. No AIDS case was found.

结果··：陕西地区1995年-2001年有85例经法医鉴定为药物滥用死亡，其中男63例，女22例；尸体血液、脏器、毛发内检出的滥用药物70 %是海洛因/吗啡；多药混合滥用特点明显；最常见的病理变化包括：多脏器淤血、水肿、出血、小动脉硬化，细胞变性、坏死，肺内异物及皮肤注射针眼、脓肿等；常见合并的传染性疾病依次为：结核病(21 %)、肝硬化(12 %)和病毒性肝炎(9 %)等，AIDS未检出。

Biological results showed that the macropterous percentage in male was always higher than that in female in the same population, and the sex of the brown planthopper individuals had no effect on the wing-form of others.

结果表明，褐飞虱雄虫的长翅率总是不低于雌虫，若虫的性别对相同群体中其它个体的翅型分化无影响。

The basic biological characteristics of yellowfin tuna including the distribution, migration model, physiology feature, age and growth, spawning, diet and population structure were discussed.

此外，还对黄鳍金枪鱼的分布、洄游、种群、生长、繁殖及食性等基本生物学特性进行了综述。

Research Areas Include: Animal behaviour, Biorhythms, Cell biology, Complexity of biological systems, Ecology, Enzyme kinetics, Evolutionary biology, Gene networks, Genetics, Membrane transport, Molecular structures, Morphogenesis, Neurobiology, Origin of life, Pattern formation, Physiological mechanisms and Population biology.

具体的研究领域涉及：动物行为、生物节律、细胞生物学、生物系统复杂性、生态学、酶动力学、进化生物学、基因网络、遗传学、膜传导、分子结构、多样性、神经生物学、生命起源、组织模式、生理学机制、群体生物学等。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐