致病

Over the past few days, several countries in Asia have detected deaths in poultry flocks, and testing to determine the causative agent is under way.

在过去的几天，亚洲的几个国家已经发现禽类动物的死亡，目前正在检验致病因子。

TTV is the cofactor to other known hepatitis viruses and the causative agent of hepatocirrhosis.

是已知肝炎病毒的辅助因子，并可能是肝硬化潜在的致病因子。

Insulin resistance has been identified as a major causative factor in the pathogenesis of type 2 diabetes.

胰岛素抵抗已经被认为是Ⅱ型糖尿病的主要致病因素。

The stock market is very unforgiving with mistakes so do not let greed be a causative factor in this respect.

股票市场是非常无情与错误，所以不要让贪婪的一个致病因素，在这方面的工作。

Light stimulates brain activity, and lack of light is a causative factor.

轻刺激脑部活动，而缺乏根据，是一个致病因子。

Cellular and molecular mechanisms of Parkinson's disease: neurotoxins, causative genes, and inflammatory cytokines.

帕金森病的细胞和分子机制：神经毒素，致病基因和炎性细胞因子

Some pathogens have been detected in 176 cases of patients with chronic cervicitis who have underwent electronic burn therapy.

176例电灼治疗的慢性宫颈炎患者，采用培养法及PCR法检测致病病原体，对各种可能的影响疗效因素进行相关分析。

Chemotaxis may play an important role at the early stages in pathogenesis of phytopathogenic bacteria.

进一步说明趋化性可能在植物病原细菌致病的早期起重要作用。

Facial chloasma more common in the summer and the South, suggesting that sunlight is the pathogenic factor.

面部黄褐斑较常见于夏季和南方，提示日光是致病因素之一。

Also the molecular structure and functional effects of this active component were studied in detail. 1 Extraction, separation, purification and structural identification of the functional component in Chufa After initial handling of waste slurry to solid powder, ethanol was used to lixiviate it followed by the extraction with petroleum ether,ethyl acetate,n-butyl alcohol one by one, the polarity of three organic reagents being changed from low to high.

荸荠功能因子的提取、分离、纯化及结构鉴定以马蹄粉厂产粉废浆为原料，经过实验室初处理成固态原料粉后，用乙醇浸提，再将浸提物以水悬浮，依次通过极性从小到大的石油醚、乙酸乙酯、正丁醇三种有机溶剂两相萃取分部，并以金黄葡萄球菌、枯草芽孢杆菌和致病大肠杆菌为指示菌，检测上述各部分提取物的功能效果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。