The result showed high concentration interferon could delay the lethal period of the embryos and caused the HA titers declined by 2～3 in Q strain test.
毕赤酵母表达鸡α-干扰素经纯化后,以50000U、5000U和500U分别与200ELD50新城疫病毒疫苗株LaSota和中等毒力Q株等量混合,接种9～10日龄SPF鸡胚,记录鸡胚死亡情况并测定尿囊液HA效价,结果表明,高浓度重组干扰素可使病毒致死鸡胚时间延长,并使Q株在尿囊液中的HA效价下降2～3个滴度。
All kinds of measuring methods are summed up from two aspects----the acute toxicity of pesticides to bees(acute oral toxicity and acute contact toxicity) and the hazard assessments of pesticides on bees and the hazard assessment was simply introduced.
从急性经口毒性和急性触杀毒性两方面综述了化学农药对蜜蜂的急性毒性测定方法和危害评价体系。
Results and methods of hazard evaluation and protection measures for three kinds of laser operation are reported in this paper.
本文报道了三种激光作业的危害评价方法和结果 ,并提出需要采取的防护措施。
Risk and Hazard Assessment of Oil Leakage Accident at a Dock
码头油品泄漏扩散事故危险危害评价
Health hazard assessment of emergent cadmium pollution accidents in Beijiang River
北江突发镉污染事故的健康危害评价
Pre and Post Verification on Pre-evaluation and Evaluation of Control Effect of Occupational Hazards in Construction Project
建设项目职业病危害预评价和控制效果评价
Assessment and Prediction of Pneumoconiosis Hazard with Neural Network
尘肺危害的神经网络评价及预测研究
UNEP Sends Experts to Assess Environmental Damage in the Gulf
环境署向海湾派遣专家评价环境危害
A Study of Hazards Associated with Flood and Its Synthetic Evaluation Model;
洪灾的危害及其综合评价模型的研究
Research on Hazard Evaluation of Landslide Based on GIS;
基于GIS的滑坡灾害危险性评价研究
Evaluating the Impact of Procneria Orienta Chao s Injury on Cupressus Funebris Forest s Health;
蜀柏毒蛾危害对柏木林健康影响评价
The Study on Geographical Hazard Evaluation of Baota District in Yan an City;
延安宝塔区地质灾害危险性评价研究
The Risk Assessment on the Geological Hazard in Mountain Area in Northern Part of Tangshan City;
唐山市北部山区地质灾害危险性评价
Research on Geological Hazard Assessment in Pengyang County, Ningxia
宁夏彭阳县地质灾害危险性评价研究
Geological Hazard Risk Assessment Based on GIS in Guizhou
基于GIS的贵州省地质灾害危险性评价
Control Effect of Occupational Hazards in Packaging Factory
某包装物厂职业病危害控制效果评价
Environmental Risk Assessment of Styrene Unit
苯乙烯装置环境风险评价与危害分析
Pre-evaluation of Occupational Hazards of 1# Coal Coking Project in A New Developed Region
某新区1#焦炉工程职业病危害预评价
Evaluation of occupational disease control in one coal firm in Shaanxi
陕西某煤矿职业病危害控制效果评价
Evaluation of Occupational Hazard Control in a Electric Smelting Enterprise
某电冶企业职业病危害控制效果评价
RISK ASSESSMENT OF THE UNEXPECTED GEOLOGICAL DISASTERS IN BEIJING
北京地区突发性地质灾害危险度评价