抗病育种占选种圃的发病条件是兼抗育种的又一关键。
Disease condition in selective nursery is another key to multi resistant breeding.
对蓝藻“红圈病”的病症、发病条件、传播程度方式、危害进行了研究。
The symptom, conditions of pathogen development, modes of infection, and damage extent of the red-ring disease to blue-green algae are studied.
在此基础上,研究病害发病条件及玉米的抗性,探讨玉米疯顶病的综合治理方法。
Also the conditions of disease development, maize resistance and disease control measureses were studied.
采用定点定期采样、调查、测定的方法,研究了紫苜蓿褐斑病的发生危害的程度及发病条件。
This paper studied the density and the condation of Pseudopeziza medicaginis (Clib) Sacc with the method of sampling, investigation and measurement in definite spots and times.
一定数量的病原生物、易感病的寄主以及有利的发病条件是任何病原生物引起的植物病害发生的必要条件。
Sufficient pathogen, susceptible host and favourable environmental conditions, which are necessary to the outbreaking of the plant disease.
尽管巴基斯坦的脊髓灰质炎发病率在1995年到2000年间降低了10倍,但战争冲突、恶劣的卫生条件和人口的流动使病例数量在去年激增了62%。
And although in Pakistan the incidence of polio dropped tenfold between 1995 and 2000, conflict, poor sanitation and a mobile population helped the number of cases jump by 62% last year.
目的探索辽宁省干旱地区自然条件下甲型肝炎季节性和趋势性发病特征。
Objective Explore the seasonality and trend of hepatitis a in Liaoning drought area under natural condition.
结论:极端天气条件作为气候应激因子与感冒发病有密切关系。
Conclusion: the close association in weather extreme events as a factor of climate stress with common cold.
发病程度除与品种、气象条件有关外,还与灌水,播种时期,密度,播种方法等栽培措施关系密切。
Disease incidence related closely with not only varieties and meterological condition, but cultivation practices such as irrigation, sowing date, sowing density, sowing method and so on.
在温室病原诱发接种条件下,发病表现为出苗率的差异,即丧失发芽能力或出苗前的猝倒。
The induced disease appears as the difference of emergence rate by artificial inoculation in glasshouse, indicate the lose of sprouting ability and pre-emergence damping off.
一旦发病,在我国当前的医疗条件下,都会在不长的时间内死亡。
Once the disease in China's current medical conditions, will be not a long time dead.
建立一种符合临床脑缺血发病规律的动物模型是研究局灶性脑缺血发生机制及防治措施的基本条件。
To establish the animal models similar to the clinical condition is the foundation for researching the pathogenesis and therapeutic strategies about focal cerebral ischemia.
因此,不愉快的反射已经可以出场的发病率在恶劣的光线条件下室内或光线。
Thus, unpleasant reflections can already turn up indoors in adverse light conditions or light incidence.
番茄叶霉病在高温高湿条件下发病重,其中湿度是影响发病的重要因素。
High temperature and high humidity are good for the occurrence of this disease, and humidity is key factor to this disease.
在不加肥条件下,光照强度2000米烛的幼孢子体,发病率高于1000米烛;
In unfertilized condition, under light intensity of 2000 Lux, the morbidity was higher than that of 1000 Lux.
目的探讨脑血管病发病与气象条件关系。
Objective To discuss the relationship between cerebrovascular disease and the climate condition.
气候条件、越冬基数、品种、播期和防治水平是影响发病的主要因素。
The weather, population of Laodelphax striatella in winter, rice varieties, the times of rice sowing and pest control were the main factors affecting epidemic of the disease.
结论随作业条件的改善,尘肺患者的平均发病年龄逐年增高、发病工龄逐年延长。
Conclusion as the working condition has been improved, the average morbidity age increased and the duration from dust exposure to development of silicosis prolonged year by year.
这是一个多因素的条件与高发病率,在一定程度上是相关的死亡率和增加车祸的危险。
It is a multi-factorial condition associated with high morbidity, a degree of mortality and is associated with an increase risk of car crashes.
气候条件与育秧方式是水稻霜霉病发病与传播的关键因素。
Climatic and seedling raising patterns are the key factors for the occurrence and widespread of rice downy mildew.
本文就人工繁育条件下食蟹猴直肠垂脱发病机制、症状、治疗方法、术后护理和预防措施做一探讨。
This research is aimed to discuss the root cause, symptom, treatment, remedy and preventive action of the Macaca Fascicularis.
本文结果说明壁细胞泌酸能力增加是DU发病的重要病理生理基础,基础胃酸高分泌状态是DU患者溃疡活动的重要条件。
The results suggested that in ADU patients the increase of BAO, which is relating to the increase of antral gastrin content, may contribute to the activity of DU.
稳定的气象条件不利于慢支发病,降温和高气压是慢支发病的诱因之一。
The steady weather conditions were not helpful to chronic bronchitis, but temperature descent and high air pressure were the inducements of it.
方法依据条件选择13 8例有穿高跟鞋经历的女性趾甲真菌病患者,分别观察其发病时间、病甲损害程度与穿高跟鞋的关系。
Methods 138 patients having weared this kind of shoes were observed to investigate the relationship between onset time, lesion degree of nails and high-heeled shoes. Results 1.
未经检查的端粒损失的造血干细胞,同时,将出现的骨髓造血功能衰竭的发病机制中发挥重要作用,在条件观察到先天性角化不良。
Unchecked telomere loss by HSC, meanwhile, would appear to play a significant role in the pathogenesis of bone marrow failure, as observed in the condition dyskeratosis congenita.
得出的结果表明,极端天气条件作为气候应激因子与感冒发病有密切关系。
Results show that the close association in weather extreme events as a factor of climate stress with morbidity of common cold.
结论:极端天气条件作为气候应激因子与感冒发病有密切关系。
Results show that the close association in weather extreme events as a factor of climate stress with morbidity of common cold.
除菌源量外,气候条件也是发病的重要因素。
Besides the pathogen amount, the climate was also the important factor to the disease occurrence.
除菌源量外,气候条件也是发病的重要因素。
Besides the pathogen amount, the climate was also the important factor to the disease occurrence.
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