致病

The role of T4SS on disease development is wellestablished at the case of crown gall tumors induced by Agrobacteriumtumefaciens. Xanthomonas campestris pv.

野油菜黄单胞菌野油菜致病变种(Xanthomonas campestris pv.campestris，Xcc)是一种能在全球范围内引起所有十字花科植物黑腐病的重要病原细菌。

Some virulent crown gall strains AT(subscript 1-1), AT(subscript 1-3), AT(subscript 2-7), AT(subscript 2-8), AT(subscript 2-11), AT(subscript 2-12) are selected by the infection experiment on the carrot fragments.

胡萝卜接种试验初步选出致病力强的菌株AT(下标 1-1)、AT(下标 1-3)、AT(下标 2-7)、AT(下标 2-8)、AT(下标 2-11)、AT(下标 2-12)将菌株AT(下标 2-7)、AT(下标 2-8)、AT(下标 2-11)、AT(下标 2-12)接种于塑料大棚盆栽的山桃、毛桃、甘肃桃，进行桃砧木感病性评价试验。

Alfalfa ; Crown and root rot ; Fusarium spp ; Pathogenicity ; Resistance

苜蓿；根和根颈腐烂病；镰刀菌；致病性；抗病性

The Pythium ultimum (soil-borne pathogen) damping-off, which wasmeasured by AUDPC (area under disease process curve), oscillated with significant harmonicsand similar periods to Copiotrophic CFUs after nutrient impulses.

土传病菌P。 ultimum致病性的AUDPC(area underdisease process curve)在添加牛粪堆肥后短期内呈简谐振动模型变化，且与Copiotrophic菌数量的变化有相同的简谐振动频率与周期。

Considering the pathogenity and safety SYAU-06 strain was screened as candidate microherbicide to control dayflower.

从致病力和安全性的角度考虑选择草茎点霉SYAU-06菌株作为生物除草剂的候选菌，评价其对鸭跖草的除草潜力。2。

The pathogenic mechanism of toxin from Phoma herbarum to dayflower was studied through measuring cell membrane permeability, MDA content and activities of CAT, POD and APX. The result indicated that toxin increased permeability of cell membrane.

以草茎点霉毒素对鸭跖草叶片组织细胞膜透性、丙二醛含量、过氧化氢酶、过氧化物酶以及抗坏血酸过氧化物酶活性的影响，研究草茎点霉毒素对鸭跖草的致病机理。

objective to analyze the clinical epidemiological profile of deaf-mutism in gansu province with the purpose of understanding the common causative effects, thus getting more available information for further development of the early diagnosis and intervention program for deaf children.

目的 在我国甘肃省聋哑人群中进行系统性的耳聋病因研究，即耳聋病因的临床流行病学分析，明确不同致聋因素所占比例，为将来开展耳聋易感基因的分子流行病学研究，寻找致病根源，有效开展耳聋预防和干预工作提供参考依据。

Therefore, to develop mouse model is necessary and urgent to the understanding of the pathogenesis of dengue.

因此，发展小鼠动物模式对於了解登革疾病的致病机转是迫切需要的。

So far, there is no suitable animal model to study the immunopathogenesis of dengue.

目前，也没有一个合适的动物模式可作为研究工具，来帮助了解登革疾病的免疫致病机转。

PL600 chlorine dioxide disinfectant can sterilize and deodorize by evaporating naturally (boiling point=11℃). Use chlorine dioxide by Spraying, wiping or soaking can kill all microbes, including bacteria, viruses, fungus, spore and cryptosporidium, etc.

PL600二氧化氯消毒剂所提供的二氧化氯专业技术，可以冷雾状气体或自然挥发(沸点仅为11℃)方式进行空间灭菌、除臭；此外，以液体喷洒、擦拭涂抹、浸泡方式，更能强效杀死所有的致病微生物，包括细菌、病毒、真菌、芽孢、隐孢子虫等…。。

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。