流行病

This article will discuss briefly the description,epidemiology,pathogenesis necropsy find...

本文概述 PCV的流行病学、发病机理、临床表现、病理变化及诊断和防治等

Subject areas include analytical and theoretical plant pathology, bacteriology, biological control, disease control and pest management, ecology, epidemiology, etiology, genetics, mycology, nematology and virology etc.

该杂志是一本关于植物疾病、导致疾病的物质、疾病传播、疾病造成的损失以及控制方法的国际首要基础研究期刊，学科领域涉及植物分析与理论病理学、细菌学、生物控制、疾病控制与害虫管理、生态学、流行病学、病因学、遗传学、真菌学、线虫学以及病毒学等。

The Council supervises the work of subject matter standing committees including: bacteriology; biochemistry, physiology, and molecular biology; biological control; chemical control; diagnosticians; diseases of ornamental plants and turf grasses, environmental quality and plant health; epidemiology; exobiology and space phytopathology; forest pathology; genetics; integrated pest management; mycology; mycorrhizae; nematology; plant disease detection; plant disease losses; postharvest pathology and mycotoxicology; seed pathology; soil microbiology and root diseases; tropical plant pathology and virology.

该协会主要研究范围涉及细菌学、生物化学、生理学、分子生物学、生物控制学；化学控制学；诊断学；观赏植物和草皮病理、环境质量与植物健康；流行病学；外空生物学和空间植物病理学；森林病理学；遗传学；病虫害综合管理；真菌学；线虫学；植物疾病诊断；植物病害损失；收割期后的植物病理学和真菌毒理学；种子病理学；土壤微生物学和植物根病理；热带植物病理学与滤过性微生物学等。

Methods The clinical and pathological characteristics of 618 cases with IgA nephropathy were analyzed retrospectively.

回顾性分析618例IgA肾病的流行病学和病理特点。

So people attach great importance to the damage by its toxicity. The main target organ of manganese is nervous system. At the early stage, its major symptoms are neurasthenic syndrome and autonomic nerve functional disorder, and then the apparent damage to extracorticospinal tract nerves, similar to that of a Parkinson's disease.

锰的主要毒作用器官是神经系统，早期以神经衰弱综合征和植物神经功能紊乱为主，继而可出现明显的锥体外系神经受损症状，与帕金森病(Parkinson's disease，PD)症状类似，流行病学研究认为锰是PD发病的环境危险因素之一。

The modulations of beta-catenin and caspase-3 levels were investigated in the KM mouse embryo following maternal treatment with a single oral dose of 30mg/kg body weight of RA during the neurula period.

流行病学研究显示，在胚胎发育过程中摄入过多维甲酸可致各种发育缺陷，其中神经管畸形最为常见。

objective to analyze the epidemiology of ocular trauma in hainan province.

目的 分析和探讨海南省发生眼外伤患病的流行病学特征和规律，为眼外伤害的预防和控制提供科学依据。

The authors describe the characters of CAV from its epidemiology、path ology、diagnosis and treatment.

本文就近几年来，在该病的流行病学、致病机理、病原特征、诊断技术及防治方法方面的最新进展作一介绍。

The result showed that the Lens Image Analysis System could detect the level of lens opacification in vivo objectively and quantitatively.

通过上述实验，结果显示：晶体图像分析系统能够对活体晶体混浊程度进行实时定量检测和分析，是活体晶体混浊程度客观评价的可靠手段，对白内障的早期诊断、流行病学调查和抗白内障药物疗效评价具有重要意义。

Epidemic ; mathematical model ; threshold ; basic reproductive number ; nonlinearity ; high dimensional differential system ; global stability ; orbital asymptotical stability

流行病；数学模型；阈值；基本再生数；非线性；高维自治微分系统；全局稳定性；轨道渐近稳定

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。