A systematic investigation was made of the aphid populations and their bio-distribution on spring-sown maize plants in 1998~1999 in the suburbs of Chongqing.
对重庆市郊区1998年至1999年春玉米上蚜虫种群的发生情况进行了系统调查。
Fabricating the nanoporous silicon membrane with nanotechnology and Bio-MEMS technology, the thickness of membrane, pore size and distribution, geometry shape and porosity can precisely controlled.
采用纳米技术和生物微电子机械系统技术制备纳米多孔硅膜,可准确控制膜的厚度、几何形状、孔大小、孔分布和孔隙率。
The distribution of bio-mass and density is extremely uneven, but both of high biomass and high density were basically similar, in the area northen to Changjiang River estuary.
生物量和栖息密度的分布极不均匀,高生物量和高栖息密度的分布趋势基本相似,两者都在调查区的北部。
In this paper, Test and CFD simulation was used to analysis and optimize the air distribution of transfer window, and concluded the program to meet the bio-security.
本文在传递窗内夹层四周位置设置格栅,通过实验和CFD模拟对传递窗进行气流组织分析和优化,并得出了满足生物安全的传递窗方案。
The component's distribution of bio-oil, which was produced from Fraximus mandshurica by flash pyrolysis in a fluidized bed reactor, was determined by GC-MS analysis.
结合色质联机技术分析了由流化床热裂解水曲柳获得的生物油主要组分的分布。
Surface sediments were sampled from the mangrove wetland in Quanzhou Bay to study the distribution, speciation, and bio-availability of mercury in the sediments.
采集了泉州湾红树林湿地表层沉积物样品,测定了沉积物中不同形态汞的含量,研究了汞的分布特征、赋存形态及其生物有效性。
Frequent distribution of bio-burden was established. 5 kinds of elution processes were checked.
建立了不同生物负载水平频数分布图,验证了五种洗脱技术的洗脱能力。
The results imply that the microorganisms grow inside the bio-film attached on the pipe wall should be a concern even though generally the bacteria in water in the distribution system can be ignored.
研究结果表明,尽管通常管网水中细菌较少,能达到国家的水质标准,但管壁生物膜上的微生物生长也应引起足够的重视。
The results imply that the microorganisms grow inside the bio-film attached on the pipe wall should be a concern even though generally the bacteria in water in the distribution system can be ignored.
研究结果表明,尽管通常管网水中细菌较少,能达到国家的水质标准,但管壁生物膜上的微生物生长也应引起足够的重视。
应用推荐