传染病

By analyzing two SEIS epidemic models with fixed period of latency, one of which is with constant input, another of which is with exponent input, the essential difference between their dynamic behaviors is found. For the model with constant input, the threshold is given.

通过研究两类带有确定潜伏期的SEIS传染病模型，发现对种群的常数输入和指数输入会使疾病的传播过程产生本质的差异。

But, while some consider these threats as self-evidently the main challenge to world peace and security, others feel more immediately threatened by small arms employed in civil conflict, or by so-called "soft threats" such as the persistence of extreme poverty, the disparity of income between and within societies, the spread of infectious diseases, or climate change and environmental degradation.

有些人认为，这些威胁显然是对世界和平和安全的最大挑战，其他人觉得受到国内冲突中使用的轻型武器的威胁，或者是"软威胁"：比如持续的贫困、国家与国家之间以及国家内部各阶层收入的差距、传染病的传播以及气候改变和环境恶化。

He urged medical staff to enhance self-protection and prevent hospital infection and the spread of the disease.

他对医护人员强调，要提高自我保护意识，防止医院传染病的出现和疾病的扩散。

Integrative analysis on the developing course and pathogenesis Rimerella anatipestifer infection is septicemia-type infectious disease, which is addicted to intrude into serous membarance all over the body, cause serous-fibrinous or fibrinous serous membarance inflammation. The pathogenesis is that RA firstly causes local inflammation, then rapidly break through the defensive organizations into blood. After the proliferation in blood, RA located mainly in serous membrane all over the body, cause inflammation in here and DIC and result in septicemia.

疾病发展过程及发病机理的综合分析鸭疫里默氏菌病是一种主要侵嗜全身性浆膜的败血型传染病，其病理过程主要是鸭疫里默氏菌首先在感染局部引起炎症灶，当机体的防御能力显著降低时，鸭疫里默氏菌迅速突破机体的防御机构，从感染灶不断侵入血液，经血液扩散到全身，主要定位在全身的浆膜，引起全身多发性浆膜炎并发展为败血症。

Since the spring of 1960,an apparently infectious disease has been prevailing among sheep in the range of North-western part of Szechuan,attacking both lambs and adult sheep.

自1960年春季和冬季，在四川西北草地发现绵羊的一种急性败血性传染病。

They should be tested shortly before breeding for any infectious diseases.

他们应该在短期内测试之前，育种任何传染病。

Dr. irus: They make me feel slimy, but I hae receied them.

传染病科医生：他们使我感到不舒服，但我还是接受了。

The place was known locally as Niang Niang Miao, because Niang Niang was the goddess to whom appeal was generally made during small-pox epidemics, and Tien Hwa was the name for small-pox.

当地人称其为娘娘庙。在过去这里曾发生过天花传染病，而娘娘是神，所以人们常来此祈求娘娘保佑安康。

The desire to laugh spreads like an infection , and soon the entire class is choking, while the teacher looks round baffled , wondering what all the snuffling noises are.

想笑的欲望就像传染病一样，很快整个班里一片吭哧之声。而老师则四处张望，不知道那一片抽鼻子的声音是怎么回事。

In this article,selected as researching material are the oviducts of the hens reducing theri lqywithin an unexpected spau of time with soft-shell eggs,and suspected that EDS-76 disease has happened tothem.

暖蛋综合症（EggDr.PSyndrome—1976），EDS—76）是产蛋母鸡以产蛋量下降，蛋品质降低为主要特征的一种病毒性传染病。自1976年由荷兰VanEck首次报道以来，已有许多国家和地区陆续报道了本病。

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。