发病

The rat density can be looked as an important indicator of leptospirosis surveillance and epidemic forecast.

结论鼠密度对钩体病发病影响很明显，鼠密度可以做为钩体病流行预测的一项重要监测指标。

Our findings may help to explain the expansion of the host range and lethality of the H5N1 influenza iruses to humans.

我们的结果有助于解释H5N1病毒传染给人的过程及发病机理。

Pustular psoriasis dramatically, there are fever, general malaise and other symptoms, leukocytosis.

脓疱型银屑病发病急剧，有发热，全身不适等症状，白细胞增多。

Most of acute disease, can be generalized in a few weeks, the body, often accompanied by fever, joint swelling, pain, leukocytosis, and other systemic symptoms.

大多急性发病，可以在数周内泛发全身，常常伴有发热、关节肿痛、白细胞增多和其他全身症状。

"We didn't know what we would find, but we felt that the answers to why this patient had AML had to be embedded in her DNA," said Ley.

"我们不知道会发现什么，但是我们感觉AML患者发病的原因就在她自己的DNA中。"Ley说。

Objective: To explore the relationship between various local irritants and etiology of oral lichen planus .

目的：初步探讨口腔扁平苔癣的发病因素与各种理化刺激的关系。

Objective To assess the association of oral lichen planus and Human papillomavirus.

目的 探讨口腔扁平苔藓和人乳头瘤病毒的关系，从而为确定OLP的病因、诱因和发病机理提供理论依据。

Objective:To explore the culturing of human ligamentum flavum cells in vitro.Method:HLF were harvested during surgery for thoracolumbar burst fractures.

目的：探讨成人黄韧带细胞的体外培养方法，为研究黄韧带退变的发病机制奠定基础。

We investigate the incidence of blotchy ripening fruit in different shading periods, different levels of light shading intensity and in condition of the alternating of the light. The growth-development and physiological-biochemical metabolism changes of plant in different treatments are researched and the differences of normal and blotchy ripening fruit was compared in order to study the probable mechanism of the blotchy ripening fruit.

在不同的遮光时期、不同的遮光强度及变光处理下，调查了番茄筋腐果的发病情况，测定分析了遮光处理对番茄植株生育及其生理生化代谢的影响，并对筋腐果与正常果实做对比分析测定，研究筋腐果发生的可能机制。

In this study,we conducted a set of experiments to acquire systematic knowledge about the properties of AFSCs;meanwhile,to evaluate whether AFSCs could be used for cell-based therapy,we induced them to differentiate into hepatic linage in vitro and in vivo.Our study mainly included three parts of work.1.Isolation,expansion,and biological analysis of human second-trimester AFSCs.

在其诱导分化方向和应用领域方面，我们针对我国肝病的发病形式和目前肝脏再生修复治疗的限制性因素，以分离、培养和鉴定羊水来源干细胞、并将其在体内外诱导分化为肝细胞为目标，建立相应的技术方法，为人类羊水来源干细胞的基础研究和临床应用奠定基础。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。